# QairtSystem (C++) Note Some methods in this module are not yet implemented in the current release and will raise an exception if called. See the C API for full functionality. **Include:** `#include "QairtCppApi/System/QairtSystemContext.hpp"` C++ wrappers for the QAIRT System Context API. A SystemContext must be created via SystemApi before calling getMetadata(). Copy to clipboard - namespace qairt - Enums - enum class SystemContextQuantInfoType : std::underlying\_type\_t<[Qairt\_QuantizationInfoType\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv428Qairt_QuantizationInfoType_t)> - Quantization encoding type for a context tensor. | Enumerator | Description | | --- | --- | | `ScaleOffset` | Per-tensor scale and offset encoding. | | `AxisScaleOffset` | Per-axis (e.g., per-channel) scale and offset encoding. | | `BwScaleOffset` | Per-tensor bit-width, scale, and offset encoding. | | `BwAxisScaleOffset` | Per-axis bit-width, scale, and offset encoding. | | `BwAxisScaleOffsetMapped` | Per-axis bit-width, scale, and offset with a value-mapping scheme. | | `Undefined` | Encoding type is unknown or not set. | *Values:* - enumerator QAIRT\_QUANTIZATION\_INFO\_SCALE\_OFFSET = 0x00 - - enumerator QAIRT\_QUANTIZATION\_INFO\_AXIS\_SCALE\_OFFSET = 0x01 - - enumerator QAIRT\_QUANTIZATION\_INFO\_BW\_SCALE\_OFFSET = 0x02 - - enumerator QAIRT\_QUANTIZATION\_INFO\_BW\_AXIS\_SCALE\_OFFSET = 0x03 - - enumerator QAIRT\_QUANTIZATION\_INFO\_BW\_AXIS\_SCALE\_OFFSET\_MAPPED = 0x08 - - enumerator QAIRT\_QUANTIZATION\_INFO\_UNDEFINED = 0x7FFFFFFF - - enum class Qairt\_QuantizationInfoEncodingMapping : std::underlying\_type\_t<[Qairt\_QuantizationInfoEncodingMapping\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv439Qairt_QuantizationInfoEncodingMapping_t)> - Quantized value mapping scheme for bit-width axis scale-offset encodings. | Enumerator | Description | | --- | --- | | `StandardSymmetric` | Standard symmetric two’s complement mapping. | | `AsymmetricPlusOne` | Two’s complement mapping with a positive shift of one. | | `LinearSymmetricExcludeZero` | Linear mapping symmetric about zero, excluding zero from the representable range. | | `Undefined` | Mapping scheme is unknown or not set. | *Values:* - enumerator QAIRT\_QUANTIZATION\_INFO\_MAPPING\_STANDARD\_SYMMETRIC = 0x00 - - enumerator QAIRT\_QUANTIZATION\_INFO\_MAPPING\_ASYMMETRIC\_PLUS\_ONE = 0x01 - - enumerator QAIRT\_QUANTIZATION\_INFO\_MAPPING\_LINEAR\_SYMMETRIC\_EXCLUDE\_ZERO = 0x02 - - enumerator QAIRT\_QUANTIZATION\_INFO\_MAPPING\_UNDEFINED = 0x7FFFFFFF - - class SystemContext : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContextE), [QairtSystem\_ContextV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv423QairtSystem_ContextV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Handle for inspecting compiled context binaries. Obtained via `SystemApi::make()`. Copy to clipboard Public Functions - ~SystemContext() = default - - SystemContext() noexcept = default - - SystemContext(const [SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContext13SystemContextERK13SystemContext)&) = delete - - SystemContext([SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContext13SystemContextERR13SystemContext)&&) noexcept = default - - [SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContextE) &operator=(const [SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContextE)&) = delete - - [SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContextE) &operator=([SystemContext](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt13SystemContextE)&&) noexcept = default - - inline [SystemContextBinaryInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextBinaryInfoE) getBinaryInfo(void \*binaryBuffer, uint64\_t binaryBufferSize) - - inline [SystemContextBinaryInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextBinaryInfoE) getBinaryInfo([Buffer](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtBuffer.html#_CPPv4N5qairt6BufferE) &buffer) - Private Functions - inline explicit SystemContext(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - class SystemContextAxisScaleOffset : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE), [QairtSystem\_Context\_QuantizeParams\_AxisScaleOffsetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv454QairtSystem_Context_QuantizeParams_AxisScaleOffsetV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Per-axis (e.g., per-channel) scale and offset quantization parameters for a context tensor. Obtained via SystemContextQuantizationInfo::getAxisScaleOffset(). Copy to clipboard Public Functions - SystemContextAxisScaleOffset() noexcept = default - - SystemContextAxisScaleOffset(const [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffset28SystemContextAxisScaleOffsetERK28SystemContextAxisScaleOffset)&) = delete - - SystemContextAxisScaleOffset([SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffset28SystemContextAxisScaleOffsetERR28SystemContextAxisScaleOffset)&&) noexcept = default - - [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE) &operator=(const [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE)&) = delete - - [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE) &operator=([SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE)&&) noexcept = default - - inline int32\_t getAxis() const - See also [QairtSystem\_Context\_QuantizeParams\_AxisScaleOffset\_getAxis](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ab48a60792641f71a3b1ddfc4916af65f) - inline std::vector<[SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)> &getScaleOffsets() - Get the collection of per-axis scale-offset pairs. Returns a reference to the cached vector of [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextScaleOffset) objects, one per axis element. The vector is populated on first access via a C API cross. See also [QairtSystem\_Context\_QuantizeParams\_AxisScaleOffset\_getScaleOffsetAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ac863cd11ba44f2a3c7c20621debefa0e) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the per-axis scale-offset vector. - inline const std::vector<[SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)> &getScaleOffsets() const - See also [SystemContextAxisScaleOffset::getScaleOffsets()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextAxisScaleOffset_1aa8116f92fcfb25e5676b9f43c1e02abc) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffset7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffset7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt28SystemContextAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend Api - - friend SystemApi - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)>>, &interface\_type::getScaleOffsetAt, &interface\_type::getNumScaleOffsets> m\_scaleOffsets - Per-axis collection of scale-offset pairs, lazy-loaded after a C API cross. - class SystemContextBinaryInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextBinaryInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextBinaryInfoE), [QairtSystem\_Context\_BinaryInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv434QairtSystem_Context_BinaryInfoV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Metadata extracted from a serialized context binary (e.g., a compiled DLC). Obtained via SystemContext::getMetadata(). Provides version information, build identifiers, SoC versions, and the graph metadata contained in the binary. Copy to clipboard Public Functions - inline uint32\_t getBackendId() - Get the numeric backend identifier recorded in the binary. See also [QairtSystem\_Context\_BinaryInfo\_getBackendId](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1af73d7be28d08934c82fdf00e446668d3) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) ID as an unsigned integer. Corresponds to a backend-specific constant (e.g. the HTP backend ID). - inline const std::string &getBuildId() const - Get the build identifier string recorded in the binary. See also [QairtSystem\_Context\_BinaryInfo\_getBuildId](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ade6b86434e5e53ce7dcae1d0f368905c) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Const reference to the build ID string. - inline const [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#_CPPv4N5qairt7VersionE) getCoreApiVersion() const - Get the QAIRT core API version recorded in the binary. See also [QairtSystem\_Context\_BinaryInfo\_getApiVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a91a6ced00fb175ef120d3b2e6e978e12) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - A [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#structqairt_1_1Version) struct with the major, minor, and patch version numbers of the QAIRT core API used when the binary was compiled. - inline const [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#_CPPv4N5qairt7VersionE) getBackendApiVersion() const - Get the backend API version recorded in the binary. See also [QairtSystem\_Context\_BinaryInfo\_getBackendApiVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1af268d02b17d56ba00a150bae24097f44) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - A [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#structqairt_1_1Version) struct with the major, minor, and patch version numbers of the backend API used when the binary was compiled. - inline std::string getSocVersion() const - Get the System-on-Chip (SoC) version string recorded in the binary. Currently reads only the first SoC version entry. Returns an empty string if the binary contains no SoC version information. See also [QairtSystem\_Context\_BinaryInfo\_getSocVersionAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ae6ee5f6fe133a1cd5ae9151f0aaf063f) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - SoC version string, or an empty string if not present. - inline uint32\_t getSocModel() const - - inline std::vector<[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)> &getGraphs() - - inline const std::vector<[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)> &getGraphs() const - - inline const [DevicePlatformInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtDevice.html#_CPPv4N5qairt18DevicePlatformInfoE) &getPlatformInfo() const - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)>>, &interface\_type::getGraphInfoAt, &interface\_type::getNumGraphInfos> m\_graphInfos - [Graph](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#classqairt_1_1Graph) info collection for the binary, lazy-loaded from the C API after a cross. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getBuildId> m\_buildId - Build identifier string, lazy-loaded from the C API after a cross. - class SystemContextBwAxisScaleOffset : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE), [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv456QairtSystem_Context_QuantizeParams_BwAxisScaleOffsetV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Per-axis bit-width, scale, and offset quantization parameters for a context tensor. Obtained via SystemContextQuantizationInfo::getBwAxisScaleOffset(). Copy to clipboard Public Functions - SystemContextBwAxisScaleOffset() noexcept = default - - SystemContextBwAxisScaleOffset(const [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffset30SystemContextBwAxisScaleOffsetERK30SystemContextBwAxisScaleOffset)&) = delete - - SystemContextBwAxisScaleOffset([SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffset30SystemContextBwAxisScaleOffsetERR30SystemContextBwAxisScaleOffset)&&) noexcept = default - - [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE) &operator=(const [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE)&) = delete - - [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE) &operator=([SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE)&&) noexcept = default - - inline uint32\_t getBitwidth() const - See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffset\_getBw](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a75e094dde0ad5f38f9c60ec562f5315d) - inline int32\_t getAxis() const - See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffset\_getAxis](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1afdc34c553488a80e481ccaec33e4e078) - inline const std::vector<float> &getScales() const - Get the cached per-axis scale values. See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffset\_getScaleAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a74abbdae781be8fd6a4ea06afb2948c1) - Returns - Const reference to the per-axis scale values. - inline const std::vector<int32\_t> &getOffsets() const - Get the cached per-axis offset values. See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffset\_getOffsetAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a4d9bc6389ec8c32ee13c420738ade1ec) - Returns - Const reference to the per-axis offset values. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffset7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffset7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt30SystemContextBwAxisScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend Api - - friend SystemApi - - mutable std::vector<float> m\_scales - Cached per-axis scale values, populated after a C API cross. - mutable std::vector<int32\_t> m\_offsets - Cached per-axis offset values, populated after a C API cross. - class SystemContextBwAxisScaleOffsetMapped : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE), [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMappedV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv462QairtSystem_Context_QuantizeParams_BwAxisScaleOffsetMappedV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Per-axis bit-width, scale, and offset quantization parameters with a value-mapping scheme. Obtained via SystemContextQuantizationInfo::getBwAxisScaleOffsetMapped(). Copy to clipboard Public Functions - SystemContextBwAxisScaleOffsetMapped() noexcept = default - - SystemContextBwAxisScaleOffsetMapped(const [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMapped36SystemContextBwAxisScaleOffsetMappedERK36SystemContextBwAxisScaleOffsetMapped)&) = delete - - SystemContextBwAxisScaleOffsetMapped([SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMapped36SystemContextBwAxisScaleOffsetMappedERR36SystemContextBwAxisScaleOffsetMapped)&&) noexcept = default - - [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE) &operator=(const [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE)&) = delete - - [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE) &operator=([SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE)&&) noexcept = default - - inline uint32\_t getBitwidth() const - See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMapped\_getBw](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a12d6e017649d8d8009bb88128f2e4c72) - inline int32\_t getAxis() const - See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMapped\_getAxis](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a332f5a7060fc87840be580773ced58d4) - inline const std::vector<float> &getScales() const - Get the cached per-axis scale values. See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMapped\_getScaleAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a0d64b716d6bcc51483e591751a5fc2be) - Returns - Const reference to the per-axis scale values. - inline const std::vector<int32\_t> &getOffsets() const - Get the cached per-axis offset values. See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMapped\_getOffsetAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a59c52087b5e39bbfbd8e4e262ec13d14) - Returns - Const reference to the per-axis offset values. - inline [QuantizationEncodingMapping](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtTensor.html#_CPPv4N5qairt27QuantizationEncodingMappingE) getMapping() const - Get the quantized value mapping scheme for this encoding. See also [QairtSystem\_Context\_QuantizeParams\_BwAxisScaleOffsetMapped\_getMapping](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a68392547df6b5210413fd795fef3d6d2) - Returns - The active Qairt\_QuantizationInfoEncodingMapping value cast to QuantizationEncodingMapping. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemContextBwAxisScaleOffsetMapped7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend Api - - friend SystemApi - - mutable std::vector<float> m\_scales - Cached per-axis scale values, populated after a C API cross. - mutable std::vector<int32\_t> m\_offsets - Cached per-axis offset values, populated after a C API cross. - class SystemContextBwScaleOffset : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE), [QairtSystem\_Context\_QuantizeParams\_BwScaleOffsetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv452QairtSystem_Context_QuantizeParams_BwScaleOffsetV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Per-tensor bit-width, scale, and offset quantization parameters for a context tensor. Obtained via SystemContextQuantizationInfo::getBwScaleOffset(). Copy to clipboard Public Functions - SystemContextBwScaleOffset() noexcept = default - - SystemContextBwScaleOffset(const [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffset26SystemContextBwScaleOffsetERK26SystemContextBwScaleOffset)&) = delete - - [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE) &operator=([SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE)&&) noexcept = default - - [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE) &operator=(const [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE)&) = delete - - SystemContextBwScaleOffset([SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffset26SystemContextBwScaleOffsetERR26SystemContextBwScaleOffset)&&) noexcept = default - - inline float getScale() const - See also [QairtSystem\_Context\_QuantizeParams\_BwScaleOffset\_getScale](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1aa09fb4106ce09bbb5574ff6caf62f6df) - inline int32\_t getOffset() const - See also [QairtSystem\_Context\_QuantizeParams\_BwScaleOffset\_getOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a85d0306cbdf6538b4ba682a9c65f7d0e) - inline uint32\_t getBw() const - See also [QairtSystem\_Context\_QuantizeParams\_BwScaleOffset\_getBw](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a51fe39eea02e390af9208495428c8fdc) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffset7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffset7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt26SystemContextBwScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend Api - - friend SystemApi - - class SystemContextGraphInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE), [QairtSystem\_Context\_GraphInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv433QairtSystem_Context_GraphInfoV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Metadata for a single compiled graph within a context binary. Obtained via SystemContextGraphInfoSet::getGraphInfos() or Qairt::getGraphInfoAt(). Provides the graph name and the ordered input, output, and updateable tensor metadata lists. Copy to clipboard Public Functions - SystemContextGraphInfo() = default - - SystemContextGraphInfo(const [SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfo22SystemContextGraphInfoERK22SystemContextGraphInfo)&) = delete - - SystemContextGraphInfo([SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfo22SystemContextGraphInfoERR22SystemContextGraphInfo)&&) noexcept = default - - [SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE) &operator=(const [SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)&) = delete - - [SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE) &operator=([SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)&&) noexcept = default - - inline const std::string &getGraphName() const - Get the name of this graph. See also [QairtSystem\_Context\_GraphInfo\_getName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1affda45f775208a2aa11c0066885301eb) - Returns - Const reference to the graph name string. - inline std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getGraphInputs() - Get the ordered list of input tensor metadata for this graph. See also [QairtSystem\_Context\_GraphInfo\_getInputAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a0f695f679976404a16cec709cf1d64d4) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the input tensor info vector. - inline const std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getGraphInputs() const - See also [SystemContextGraphInfo::getGraphInputs()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextGraphInfo_1a83256cc03b7cbfaddf48a2138e7f5bb7) - inline std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getGraphOutputs() - Get the ordered list of output tensor metadata for this graph. See also [QairtSystem\_Context\_GraphInfo\_getOutputAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1abce996b8e709a77a78a8197496ce9656) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the output tensor info vector. - inline const std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getGraphOutputs() const - See also [SystemContextGraphInfo::getGraphOutputs()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextGraphInfo_1a1622c8c47df9fd17d7c5976b05e6efb6) - inline std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getUpdateableTensors() - Get the ordered list of updateable tensor metadata for this graph. Updateable tensors are model weights that can be replaced at runtime (e.g. for on-device fine-tuning or weight swapping). The returned vector follows the same format as [getGraphInputs()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextGraphInfo_1a83256cc03b7cbfaddf48a2138e7f5bb7). See also [QairtSystem\_Context\_GraphInfo\_getUpdateableAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1aac238e4d3e45f5524b7abbb6ac8b39b6) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the updateable tensor info vector. - inline const std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)> &getUpdateableTensors() const - See also [SystemContextGraphInfo::getUpdateableTensors()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextGraphInfo_1a33b99e21728f098841d70d1ef04b8e3f) - inline uint32\_t getGraphBlobInfoSize() const - Get the size in bytes of the raw graph-info serialization blob. See also [QairtSystem\_Context\_GraphInfo\_getGraphInfoBlobSize](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ae5678695b3e9cd1346046c7add58362b) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Size in bytes. 0 if the backend did not populate a blob. - inline void \*getGraphBlobInfo() const - Get a pointer to the raw graph-info serialization blob. See also [QairtSystem\_Context\_GraphInfo\_getGraphInfoBlob](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a5de30a83028bb5695d840dc214dc3df9) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Pointer to the blob data, or nullptr if no blob was populated. - inline uint32\_t getStartOpIndex() const - Get the start operation index for this graph in the context’s op table. See also [QairtSystem\_Context\_GraphInfo\_getStartOpIndex](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1aa08aeddcda17777d12d0cc8255e44869) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Zero-based index of the first operation belonging to this graph. - inline uint32\_t getEndOpIndex() const - Get the end operation index for this graph in the context’s op table. See also [QairtSystem\_Context\_GraphInfo\_getEndOpIndex](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1afa1b900333b8675e9802d585059bbcbc) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - One-past-the-last index of the operations belonging to this graph. Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getName> m\_name - [Graph](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#classqairt_1_1Graph) name string, lazy-loaded from the C API after a cross. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)>>, &interface\_type::getInputAt, &interface\_type::getNumInputs> m\_inputTensorInfos - Input tensor info collection, lazy-loaded from the C API after a cross. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)>>, &interface\_type::getOutputAt, &interface\_type::getNumOutputs> m\_outputTensorInfos - Output tensor info collection, lazy-loaded from the C API after a cross. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)>>, &interface\_type::getUpdateableAt, &interface\_type::getNumUpdateables> m\_updateableTensorInfos - Updateable tensor info collection, lazy-loaded from the C API after a cross. - class SystemContextGraphInfoSet : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE), [QairtSystem\_Context\_GraphInfoSetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv436QairtSystem_Context_GraphInfoSetV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Ordered collection of compiled graph metadata returned by [SystemDlc::composeGraphs()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemDlc_1a17cd05a6c9050b800597358224cc6806). Obtained via SystemDlc::composeGraphs(). Each entry exposes the graph name and its input, output, and updateable tensor metadata. Copy to clipboard Public Functions - SystemContextGraphInfoSet() = default - - SystemContextGraphInfoSet(const [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSet25SystemContextGraphInfoSetERK25SystemContextGraphInfoSet)&) = delete - - SystemContextGraphInfoSet([SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSet25SystemContextGraphInfoSetERR25SystemContextGraphInfoSet)&&) noexcept = default - - [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE) &operator=(const [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE)&) = delete - - [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE) &operator=([SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE)&&) noexcept = default - - inline std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)> &getGraphInfos() - Get the ordered list of compiled graph metadata in this set. See also [QairtSystem\_Context\_GraphInfoSet\_getGraphInfoAt](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a666fc5acd1648931f3fba2c08c720605) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the graph info vector. - inline const std::vector<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)> &getGraphInfos() const - See also [SystemContextGraphInfoSet::getGraphInfos()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextGraphInfoSet_1a65f70a81f30fd819cab4d72332b92c25) Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline SystemContextGraphInfoSet(const std::shared\_ptr<SystemApiTable> &apiTable, [QairtSystem\_Context\_GraphInfoSetHandle\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv440QairtSystem_Context_GraphInfoSetHandle_t) handle) - Private Members - friend SystemApi - - friend SystemDlc - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::vector<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[SystemContextGraphInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt22SystemContextGraphInfoE)>>, &interface\_type::getGraphInfoAt, &interface\_type::getNumGraphInfos> m\_graphInfos - [Graph](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#classqairt_1_1Graph) info collection for the set, populated on construction. - class SystemContextQuantizationInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextQuantizationInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfoE), [QairtSystem\_Context\_QuantParamInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv438QairtSystem_Context_QuantParamInfoV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Quantization encoding parameters for a single context tensor. Obtained via SystemContextTensorInfo::getQuantInfo(). The active encoding variant (scale-offset, axis-scale-offset, bit-width variants, or mapped) is identified by getQuantizationType() and then retrieved via the corresponding typed accessor. Copy to clipboard Public Functions - inline [SystemContextQuantInfoType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextQuantInfoTypeE) getQuantizationType() const - Get the active quantization encoding type for this tensor. Use the returned type to determine which typed accessor to call next: - SystemContextQuantInfoType::ScaleOffset → [getScaleOffset()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a5ec9a56e800ae3fce84e7b2d45b31b9e) - SystemContextQuantInfoType::AxisScaleOffset → [getAxisScaleOffset()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a92d358ed10bb5da3d0c22a4610001f9c) - SystemContextQuantInfoType::BwScaleOffset → [getBwScaleOffset()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a230800ba1c9d1fd6b997201b88bf5089) - SystemContextQuantInfoType::BwAxisScaleOffset → [getBwAxisScaleOffset()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1ac941daf807dcab01472d577e075c74b5) - SystemContextQuantInfoType::BwAxisScaleOffsetMapped → [getBwAxisScaleOffsetMapped()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a6aecd6b6f34ee8eb7fc8ad5252ea09c7) - SystemContextQuantInfoType::Undefined → tensor is unquantized See also [QairtSystem\_Context\_QuantParamInfo\_getQuantizationType](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a9d4c285aebb807b14f88dc9aaa9896d5) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The active SystemContextQuantInfoType enumerator. - inline const [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE) &getScaleOffset() const - Get the per-tensor scale and offset quantization parameters. Valid only when [getQuantizationType()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a2ab8100b821f56083cb6747e79b78556) returns SystemContextQuantInfoType::ScaleOffset. See also [QairtSystem\_Context\_QuantParamInfo\_getScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a225bec56061824b84fb38c2adf305f8d) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or wrong encoding type. - Returns - Const reference to the per-tensor [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextScaleOffset) encoding. - inline const [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE) &getAxisScaleOffset() const - Get the per-axis scale and offset quantization parameters. Valid only when [getQuantizationType()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a2ab8100b821f56083cb6747e79b78556) returns SystemContextQuantInfoType::AxisScaleOffset. See also [QairtSystem\_Context\_QuantParamInfo\_getAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a5ed2f14a4eced86f00c6b02769711118) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or wrong encoding type. - Returns - Const reference to the per-axis [SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextAxisScaleOffset) encoding. - inline const [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE) &getBwScaleOffset() const - Get the per-tensor bit-width, scale, and offset quantization parameters. Valid only when [getQuantizationType()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a2ab8100b821f56083cb6747e79b78556) returns SystemContextQuantInfoType::BwScaleOffset. See also [QairtSystem\_Context\_QuantParamInfo\_getBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ad86ea528febc13435137db10f13aa728) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or wrong encoding type. - Returns - Const reference to the per-tensor [SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextBwScaleOffset) encoding. - inline const [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE) &getBwAxisScaleOffset() const - Get the per-axis bit-width, scale, and offset quantization parameters. Valid only when [getQuantizationType()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a2ab8100b821f56083cb6747e79b78556) returns SystemContextQuantInfoType::BwAxisScaleOffset. See also [QairtSystem\_Context\_QuantParamInfo\_getBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ae845a46ea3ea8b8de0f52dcc021d7ba9) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or wrong encoding type. - Returns - Const reference to the per-axis [SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextBwAxisScaleOffset) encoding. - inline const [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE) &getBwAxisScaleOffsetMapped() const - Get the per-axis bit-width, scale, offset, and mapping quantization parameters. Valid only when [getQuantizationType()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo_1a2ab8100b821f56083cb6747e79b78556) returns SystemContextQuantInfoType::BwAxisScaleOffsetMapped. See also [QairtSystem\_Context\_QuantParamInfo\_getBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a3d9924f9d087311171b48899d1207758) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or wrong encoding type. - Returns - Const reference to the per-axis [SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextBwAxisScaleOffsetMapped) encoding. Private Types - using CrossableScaleOffset = [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)>, &interface\_type::getScaleOffset> - - using CrossableAxisScaleOffset = [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt28SystemContextAxisScaleOffsetE)>, &interface\_type::getAxisScaleOffset> - - using CrossableBwScaleOffset = [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemContextBwScaleOffsetE)>, &interface\_type::getBwScaleOffset> - - using CrossableBwAxisScaleOffset = [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt30SystemContextBwAxisScaleOffsetE)>, &interface\_type::getBwAxisScaleOffset> - - using CrossableBwAxisScaleOffsetMapped = [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemContextBwAxisScaleOffsetMappedE)>, &interface\_type::getBwAxisScaleOffsetMapped> - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - mutable std::variant<std::monostate, [CrossableScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfo20CrossableScaleOffsetE), [CrossableAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfo24CrossableAxisScaleOffsetE), [CrossableBwScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfo22CrossableBwScaleOffsetE), [CrossableBwAxisScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfo26CrossableBwAxisScaleOffsetE), [CrossableBwAxisScaleOffsetMapped](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfo32CrossableBwAxisScaleOffsetMappedE)> m\_encoding - Active quantization encoding, held as a type-safe variant populated on first access. - class SystemContextScaleOffset : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE), [QairtSystem\_Context\_QuantizeParams\_ScaleOffsetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv450QairtSystem_Context_QuantizeParams_ScaleOffsetV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Per-tensor scale and offset quantization parameters for a context tensor. Obtained via SystemContextQuantizationInfo::getScaleOffset(). Copy to clipboard Public Functions - SystemContextScaleOffset() noexcept = default - - SystemContextScaleOffset(const [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffset24SystemContextScaleOffsetERK24SystemContextScaleOffset)&) = delete - - SystemContextScaleOffset([SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffset24SystemContextScaleOffsetERR24SystemContextScaleOffset)&&) noexcept = default - - [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE) &operator=(const [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)&) = delete - - [SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE) &operator=([SystemContextScaleOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffsetE)&&) noexcept = default - - inline float getScale() const - See also [QairtSystem\_Context\_QuantizeParams\_ScaleOffset\_getScale](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ac9238136f59002687c289e4b1d0f9207) - inline int32\_t getOffset() const - See also [QairtSystem\_Context\_QuantizeParams\_ScaleOffset\_getOffset](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a0c4e6907050c0f3ffa14bea2f18e2469) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffset7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffset7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemContextScaleOffset7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt24SystemContextScaleOffset7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend Api - - friend SystemApi - - class SystemContextTensorInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE), [QairtSystem\_Context\_TensorInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv434QairtSystem_Context_TensorInfoV1_t), SystemApiTable> - *#include <QairtSystemContext.hpp>* Metadata for a single tensor within a compiled context graph. Obtained via SystemContextGraphInfo::getGraphInputs() or getGraphOutputs(). Provides the tensor's name, rank, dimensions, data type, and quantization parameters. Copy to clipboard Public Functions - SystemContextTensorInfo() = default - - SystemContextTensorInfo(const [SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfo23SystemContextTensorInfoERK23SystemContextTensorInfo)&) = delete - - SystemContextTensorInfo([SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfo23SystemContextTensorInfoERR23SystemContextTensorInfo)&&) noexcept = default - - [SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE) &operator=(const [SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)&) = delete - - [SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE) &operator=([SystemContextTensorInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemContextTensorInfoE)&&) noexcept = default - - inline uint64\_t getId() const - See also [QairtSystem\_Context\_TensorInfo\_getId](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a2955672d57b19ce527c914f2c5bdd861) - inline std::string getName() const - Get the name of this tensor. See also [QairtSystem\_Context\_TensorInfo\_getName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a53f9f7c66cef8c7b559f1b751975ee00) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The tensor name string (e.g. “input\_0” or “output\_logits”). - inline uint32\_t getRank() const - See also [QairtSystem\_Context\_TensorInfo\_getRank](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1afcc0435ef674b22df43b7ed8c561cf54) - inline const uint32\_t \*getDimensions() - Get a pointer to the dimension sizes array for this tensor. See also [QairtSystem\_Context\_TensorInfo\_getDimensions](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1ae80c48c09124d487d80e64a1f824be36) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Pointer to the dimension sizes array. The array has [getRank()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextTensorInfo_1ac3c11006e884129eaaf3f4a0e69f3e39) elements. - inline [DataType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtTensor.html#_CPPv4N5qairt8DataTypeE) getDataType() - Get the data type of this tensor. See also [QairtSystem\_Context\_TensorInfo\_getDatatype](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1af920bf4ce83e498a24edddaf903aee9b) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The DataType enumerator for this tensor (e.g. DataType::Float32, DataType::Ufixed8, etc.). - inline const [SystemContextQuantizationInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfoE) &getQuantInfo() - Get the quantization parameter information for this tensor. Returns a reference to the cached [SystemContextQuantizationInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemContextQuantizationInfo) object. Call getQuantizationType() on the returned object to determine the active encoding, then call the corresponding typed accessor. See also [QairtSystem\_Context\_TensorInfo\_getQuantInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemContext_8h_1a5ec7ca43a56ce531410cb4e8623674d7) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the quantization info for this tensor. Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getName> m\_name - [Tensor](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtTensor.html#classqairt_1_1Tensor) name string, lazy-loaded from the C API after a cross. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemContextQuantizationInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt29SystemContextQuantizationInfoE)>, &interface\_type::getQuantInfo> m\_quantInfo - Quantization parameter info, lazy-loaded from the C API after a cross. * * * C++ wrapper for DLC loading. **Include:** `#include "QairtCppApi/System/QairtSystemDlc.hpp"` C++ wrapper for the QAIRT System DLC API. - namespace qairt - Enums - enum class SystemDlcError : std::underlying\_type\_t<[QairtSystemDlc\_Error\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv422QairtSystemDlc_Error_t)> - Error codes returned by QAIRT System DLC operations. | Enumerator | Description | | --- | --- | | `MinError` | Lower sentinel for the error code range. | | `NoError` | Operation succeeded. | | `UnsupportedFeature` | The requested feature is not yet supported. | | `MemAlloc` | Memory allocation failure. | | `General` | An unclassified System DLC error occurred. | | `InvalidHandle` | The provided System DLC handle is not valid. | | `InvalidArgument` | One or more arguments to the operation are NULL/invalid. | | `OperationFailed` | The System DLC operation could not be completed. | | `MalformedBinary` | The DLC binary is malformed or corrupted. | | `MaxError` | Upper sentinel for the error code range. | *Values:* - enumerator MinError = [QAIRT\_SYSTEM\_DLC\_MIN\_ERROR](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t26QAIRT_SYSTEM_DLC_MIN_ERRORE) - - enumerator NoError = [QAIRT\_SYSTEM\_DLC\_NO\_ERROR](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t25QAIRT_SYSTEM_DLC_NO_ERRORE) - - enumerator UnsupportedFeature = [QAIRT\_SYSTEM\_DLC\_ERROR\_UNSUPPORTED\_FEATURE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t42QAIRT_SYSTEM_DLC_ERROR_UNSUPPORTED_FEATUREE) - - enumerator MemAlloc = [QAIRT\_SYSTEM\_DLC\_ERROR\_MEM\_ALLOC](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t32QAIRT_SYSTEM_DLC_ERROR_MEM_ALLOCE) - - enumerator General = [QAIRT\_SYSTEM\_DLC\_ERROR\_GENERAL](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t30QAIRT_SYSTEM_DLC_ERROR_GENERALE) - - enumerator InvalidHandle = [QAIRT\_SYSTEM\_DLC\_ERROR\_INVALID\_HANDLE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t37QAIRT_SYSTEM_DLC_ERROR_INVALID_HANDLEE) - - enumerator InvalidArgument = [QAIRT\_SYSTEM\_DLC\_ERROR\_INVALID\_ARGUMENT](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t39QAIRT_SYSTEM_DLC_ERROR_INVALID_ARGUMENTE) - - enumerator OperationFailed = [QAIRT\_SYSTEM\_DLC\_ERROR\_OPERATION\_FAILED](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t39QAIRT_SYSTEM_DLC_ERROR_OPERATION_FAILEDE) - - enumerator MalformedBinary = [QAIRT\_SYSTEM\_DLC\_ERROR\_MALFORMED\_BINARY](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t39QAIRT_SYSTEM_DLC_ERROR_MALFORMED_BINARYE) - - enumerator MaxError = [QAIRT\_SYSTEM\_DLC\_MAX\_ERROR](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N22QairtSystemDlc_Error_t26QAIRT_SYSTEM_DLC_MAX_ERRORE) - - class SystemDlc : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlcE), [QairtSystem\_DlcV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv419QairtSystem_DlcV1_t), SystemApiTable> - *#include <QairtSystemDlc.hpp>* Handle for a QAIRT Deep Learning Container (DLC) model file. Obtained via `SystemApi::makeShared(systemLog, path)`. Copy to clipboard Public Functions - ~SystemDlc() = default - - SystemDlc() noexcept = default - - SystemDlc(const [SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlc9SystemDlcERK9SystemDlc)&) = delete - - SystemDlc([SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlc9SystemDlcERR9SystemDlc)&&) noexcept = default - - [SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlcE) &operator=(const [SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlcE)&) = delete - - [SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlcE) &operator=([SystemDlc](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemDlcE)&&) noexcept = default - - inline [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE) composeGraphs(const std::vector<[SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE)> &graphConfigInfos, [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#_CPPv4N5qairt7BackendE) &backend, [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#_CPPv4N5qairt7ContextE) &context, const Api &backendApi, const SystemApi &systemApi) - Compose graphs from this DLC onto a backend and context. See also [QairtSystemDlc\_composeGraphs](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemDlc_8h_1a97268a0233e3dc583bdc0c9378b2fe2f) - Parameters - - **graphConfigInfos** – **[in]** Per-graph configuration entries. Optional. - **backend** – **[in]** [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) on which to compose the graphs. - **context** – **[in]** [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#classqairt_1_1Context) on which to compose the graphs. - **backendApi** – **[in]** [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) API object providing the QairtInterface\_getInterface function pointer. - **systemApi** – **[in]** SystemApi providing the system API table. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on: - invalid handle - memory allocation failure - unsupported feature - graph composition failure - Returns - Handle set representing the graphs created on the backend. - inline [SystemContextGraphInfoSet](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt25SystemContextGraphInfoSetE) composeGraphs([Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#_CPPv4N5qairt7BackendE) &backend, [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#_CPPv4N5qairt7ContextE) &context, const Api &backendApi, const SystemApi &systemApi) - See also [SystemDlc::composeGraphs(const std::vector<SystemDlcGraphConfigInfo>&, Backend&, Context&, const Api&, const SystemApi&)](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemDlc_1a17cd05a6c9050b800597358224cc6806) Private Functions - inline SystemDlc(const std::shared\_ptr<SystemApiTable> &apiTable, const std::string &dlcPath, ApiTypeRef<const [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)&> systemLog = {}) - - inline SystemDlc(const std::shared\_ptr<SystemApiTable> &apiTable, ApiTypeRef<[SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)> &&systemLog, const std::string &dlcPath) - - inline SystemDlc(const std::shared\_ptr<SystemApiTable> &apiTable, const uint8\_t \*buffer, uint64\_t bufferSize, ApiTypeRef<const [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)&> systemLog = {}) - - inline SystemDlc(const std::shared\_ptr<SystemApiTable> &apiTable, ApiTypeRef<const [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)&> systemLog, const uint8\_t \*buffer, uint64\_t bufferSize) - - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - class SystemDlcGraphConfigInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE), [QairtSystem\_Dlc\_GraphConfigInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv435QairtSystem_Dlc_GraphConfigInfoV1_t), SystemApiTable> - *#include <QairtSystemDlc.hpp>* Per-graph configuration options for a [SystemDlc::composeGraphs()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemDlc_1a17cd05a6c9050b800597358224cc6806) call. Public Functions - SystemDlcGraphConfigInfo() = default - - SystemDlcGraphConfigInfo(const [SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfo24SystemDlcGraphConfigInfoERK24SystemDlcGraphConfigInfo)&) = delete - - SystemDlcGraphConfigInfo([SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfo24SystemDlcGraphConfigInfoERR24SystemDlcGraphConfigInfo)&&) noexcept = default - - [SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE) &operator=(const [SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE)&) = delete - - [SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE) &operator=([SystemDlcGraphConfigInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemDlcGraphConfigInfoE)&&) noexcept = default - - inline std::string &getGraphName() - Get the graph name for this configuration entry. See also [QairtSystemDlc\_GraphConfigInfo\_getGraphName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemDlc_8h_1a29b3cef2c15e232a725dc3575be68da1) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The configured graph name string. - inline const std::string &getGraphName() const - See also [SystemDlcGraphConfigInfo::getGraphName()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemDlcGraphConfigInfo_1ae1e8e93182ca933dd99c278a9c6d5491) - inline void setGraphName(const std::string &graphName) - Set the graph name for this configuration entry. See also [QairtSystemDlc\_GraphConfigInfo\_setGraphName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemDlc_8h_1a7bd079d71aec5b69d8c7752d593f4c84) - Parameters - **graphName** – **[in]** Name of the target graph. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline void setGraphConfiguration(const [GraphConfiguration](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#_CPPv4N5qairt18GraphConfigurationE) &graphConfig) - Set the backend-specific graph configuration for this entry. See also [QairtSystemDlc\_GraphConfigInfo\_setGraphConfig](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemDlc_8h_1a55343e2761f0bb7b6eecf0f505827349) - Parameters - **graphConfig** – **[in]** Handle to the backend-specific graph configuration. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. Public Members - [QairtGraph\_ConfigHandle\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtGraph.html#_CPPv425QairtGraph_ConfigHandle_t) m\_graphConfigHandle = {} - Raw graph configuration handle stored by [setGraphConfiguration()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemDlcGraphConfigInfo_1a6b0c992a697faa3fc9d6ac95b36b41ef). Private Functions - inline explicit SystemDlcGraphConfigInfo(const std::shared\_ptr<SystemApiTable> &apiTable) - - inline void prepareToCross() const - - inline void updateAfterCross() const - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getGraphName, &interface\_type::setGraphName> m\_graphName - Manages the graph name string, synchronized with the underlying C API handle. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::set\_only<[GraphConfiguration](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#_CPPv4N5qairt18GraphConfigurationE)>, nullptr, &interface\_type::setGraphConfig> m\_graphConfig - Manages the graph configuration handle passed to the underlying C API (write-only). * * * C++ wrapper for system logging. **Include:** `#include "QairtCppApi/System/QairtSystemLog.hpp"` C++ wrapper for the QAIRT System logging API. A SystemApi must be created before constructing a SystemLog object. Copy to clipboard - namespace qairt - - class SystemLog : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE), [QairtSystemLog\_V1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv419QairtSystemLog_V1_t), SystemApiTable> - *#include <QairtSystemLog.hpp>* Handle for a QAIRT system-library log sink. Obtained via `SystemApi::makeShared(callback, level)`. Copy to clipboard Public Functions - SystemLog() noexcept = default - - SystemLog(const [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLog9SystemLogERK9SystemLog)&) = delete - - SystemLog([SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLog9SystemLogERR9SystemLog)&&) noexcept = default - - [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE) &operator=(const [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)&) = delete - - [SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE) &operator=([SystemLog](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt9SystemLogE)&&) noexcept = default - - inline void setLogLevel([LogLevel](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt8LogLevelE) level) - Set the verbosity level for this system log instance. See also [QairtSystemLog\_setLogLevel](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemLog_8h_1aa25b991bfff18b95772faebcf832df4e) - Parameters - **level** – **[in]** Maximum log verbosity. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid log level. Private Functions - inline SystemLog(const std::shared\_ptr<SystemApiTable> &apiTable, [LogCallback](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt11LogCallbackE) &&callback, [LogLevel](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt8LogLevelE) level, void \*userData = nullptr) - - inline SystemLog(const std::shared\_ptr<SystemApiTable> &apiTable, ApiTypeRef<[LogCallback](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt11LogCallbackE)> &&callback, [LogLevel](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt8LogLevelE) level, void \*userData = nullptr) - Private Members - friend SystemApi - - [LogCallback](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv4N5qairt11LogCallbackE) m\_callback - Callback function pointer for this log instance. * * * C++ wrapper for system profiling. **Include:** `#include "QairtCppApi/System/QairtSystemProfile.hpp"` C++ wrapper for the QAIRT System Profile API. - namespace qairt - Enums - enum class SystemProfileVisibility : std::underlying\_type\_t<[QairtSystem\_Profile\_Visibility\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv432QairtSystem_Profile_Visibility_t)> - Visibility classification for system profile events. | Enumerator | Description | | --- | --- | | `Public` | Event is visible to all consumers. | | `Private` | Event is internal and not exposed to consumers. | *Values:* - enumerator Public = [QAIRT\_SYSTEM\_PROFILE\_VISIBILITY\_PUBLIC](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_Visibility_t38QAIRT_SYSTEM_PROFILE_VISIBILITY_PUBLICE) - - enumerator Private = [QAIRT\_SYSTEM\_PROFILE\_VISIBILITY\_PRIVATE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_Visibility_t39QAIRT_SYSTEM_PROFILE_VISIBILITY_PRIVATEE) - - enum class SystemProfileMethodType : std::underlying\_type\_t<[QairtSystem\_Profile\_MethodType\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv432QairtSystem_Profile_MethodType_t)> - Operation type associated with a system profile event. | Enumerator | Description | | --- | --- | | `None` | No specific operation type. | | `BackendExecute` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) synchronous execute operation. | | `BackendFinalize` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) finalize operation. | | `BackendExecuteAsync` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) asynchronous execute operation. | | `BackendCreateFromBinary` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) create-from-binary operation. | | `BackendDeinit` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) deinitialization operation. | | `AppContextCreate` | Application context creation operation. | | `AppComposeGraphs` | Application compose-graphs operation. | | `AppExecuteIps` | Application execute-IPS operation. | | `BackendGraphComponent` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) graph component operation. | | `BackendLibLoad` | Application backend library load operation. | | `BackendApplyBinarySection` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) apply-binary-section operation. | | `ContextFinalize` | [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#classqairt_1_1Context) finalize operation. | | `ContextGetBinarySize` | [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#classqairt_1_1Context) get-binary-size operation. | | `ContextGetBinary` | [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#classqairt_1_1Context) get-binary operation. | | `ContextGetBinarySectionSize` | [Context](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtContext.html#classqairt_1_1Context) get-binary-section-size operation. | | `BackendFinalizeTensorUpdates` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) finalize operation after tensor updates. | | `BackendUpdateBinarySection` | [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) update-binary-section operation. | *Values:* - enumerator None = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_NONE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t37QAIRT_SYSTEM_PROFILE_METHOD_TYPE_NONEE) - - enumerator BackendExecute = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_EXECUTE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t48QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_EXECUTEE) - - enumerator BackendFinalize = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_FINALIZE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t49QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_FINALIZEE) - - enumerator BackendExecuteAsync = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_EXECUTE\_ASYNC](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t54QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_EXECUTE_ASYNCE) - - enumerator BackendCreateFromBinary = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_CREATE\_FROM\_BINARY](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t59QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_CREATE_FROM_BINARYE) - - enumerator BackendDeinit = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_DEINIT](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t47QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_DEINITE) - - enumerator AppContextCreate = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_APP\_CONTEXT\_CREATE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t51QAIRT_SYSTEM_PROFILE_METHOD_TYPE_APP_CONTEXT_CREATEE) - - enumerator AppComposeGraphs = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_APP\_COMPOSE\_GRAPHS](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t51QAIRT_SYSTEM_PROFILE_METHOD_TYPE_APP_COMPOSE_GRAPHSE) - - enumerator AppExecuteIps = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_APP\_EXECUTE\_IPS](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t48QAIRT_SYSTEM_PROFILE_METHOD_TYPE_APP_EXECUTE_IPSE) - - enumerator BackendGraphComponent = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_GRAPH\_COMPONENT](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t56QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_GRAPH_COMPONENTE) - - enumerator BackendLibLoad = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_APP\_BACKEND\_LIB\_LOAD](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t53QAIRT_SYSTEM_PROFILE_METHOD_TYPE_APP_BACKEND_LIB_LOADE) - - enumerator BackendApplyBinarySection = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_APPLY\_BINARY\_SECTION](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t61QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_APPLY_BINARY_SECTIONE) - - enumerator ContextFinalize = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_CONTEXT\_FINALIZE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t49QAIRT_SYSTEM_PROFILE_METHOD_TYPE_CONTEXT_FINALIZEE) - - enumerator ContextGetBinarySize = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_CONTEXT\_GET\_BINARY\_SIZE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t56QAIRT_SYSTEM_PROFILE_METHOD_TYPE_CONTEXT_GET_BINARY_SIZEE) - - enumerator ContextGetBinary = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_CONTEXT\_GET\_BINARY](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t51QAIRT_SYSTEM_PROFILE_METHOD_TYPE_CONTEXT_GET_BINARYE) - - enumerator ContextGetBinarySectionSize = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_CONTEXT\_GET\_BINARY\_SECTION\_SIZE](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t64QAIRT_SYSTEM_PROFILE_METHOD_TYPE_CONTEXT_GET_BINARY_SECTION_SIZEE) - - enumerator BackendFinalizeTensorUpdates = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_FINALIZE\_TENSOR\_UPDATES](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t64QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_FINALIZE_TENSOR_UPDATESE) - - enumerator BackendUpdateBinarySection = [QAIRT\_SYSTEM\_PROFILE\_METHOD\_TYPE\_BACKEND\_UPDATE\_BINARY\_SECTION](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N32QairtSystem_Profile_MethodType_t62QAIRT_SYSTEM_PROFILE_METHOD_TYPE_BACKEND_UPDATE_BINARY_SECTIONE) - - enum class SystemProfileEventDataType : std::underlying\_type\_t<[QairtSystem\_Profile\_EventDataType\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv435QairtSystem_Profile_EventDataType_t)> - Format of the data payload carried by a system profile event. | Enumerator | Description | | --- | --- | | `EventData` | Standard event data payload. | | `ExtendedEventData` | Extended event data with additional fields. | | `Undefined` | Undefined or unrecognized data type. | *Values:* - enumerator EventData = [QAIRT\_SYSTEM\_PROFILE\_EVENT\_DATA](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N35QairtSystem_Profile_EventDataType_t31QAIRT_SYSTEM_PROFILE_EVENT_DATAE) - - enumerator ExtendedEventData = [QAIRT\_SYSTEM\_PROFILE\_EXTENDED\_EVENT\_DATA](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N35QairtSystem_Profile_EventDataType_t40QAIRT_SYSTEM_PROFILE_EXTENDED_EVENT_DATAE) - - enumerator Undefined = [QAIRT\_SYSTEM\_PROFILE\_EVENT\_DATA\_UNDEFINED](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N35QairtSystem_Profile_EventDataType_t41QAIRT_SYSTEM_PROFILE_EVENT_DATA_UNDEFINEDE) - - enum class SystemProfileDataVersion : std::underlying\_type\_t<[QairtSystem\_Profile\_DataVersion\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv433QairtSystem_Profile_DataVersion_t)> - [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#structqairt_1_1Version) of the profile data structure. | Enumerator | Description | | --- | --- | | `V1` | [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) data conforms to version 1 layout. | | `Undefined` | Undefined or unrecognized data version. | *Values:* - enumerator V1 = [QAIRT\_SYSTEM\_PROFILE\_DATA\_VERSION\_1](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N33QairtSystem_Profile_DataVersion_t35QAIRT_SYSTEM_PROFILE_DATA_VERSION_1E) - - enumerator Undefined = [QAIRT\_SYSTEM\_PROFILE\_DATA\_VERSION\_UNDEFINED](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv4N33QairtSystem_Profile_DataVersion_t43QAIRT_SYSTEM_PROFILE_DATA_VERSION_UNDEFINEDE) - - class SystemProfileData : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt17SystemProfileDataE), [QairtSystem\_Profile\_DataV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv428QairtSystem_Profile_DataV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* versioned container for profile data payloads. Obtained via `SystemApi::make()`. Wraps a versioned profile data record (currently SystemProfileDataV1) for transport to a SystemProfileSerializationTarget. The container handle is freed automatically when this object is destroyed. Copy to clipboard Public Functions - inline [SystemProfileDataVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt24SystemProfileDataVersionE) getVersion() const - Get the profile data version carried by this container. See also [QairtSystem\_Profile\_Data\_getVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a8acc66fbf6d92acc5cd6526c8d48c9d8) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The data version enumerator. - inline void setProfileDataV1(const [SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV1E) &profileData) - Set the version 1 profile data payload for this container. See also [QairtSystem\_Profile\_Data\_setProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1aaec7f15a8e009fb96090ebfd27f8b4c0) - Parameters - **profileData** – **[in]** [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#structqairt_1_1Version) 1 profile data record to associate. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. - inline [SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV1E) &getProfileDataV1() - Get the version 1 profile data payload from this container. See also [QairtSystem\_Profile\_Data\_getProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a100de9f8cdc8e3ebc2c401691bcf2ef0) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the associated [SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileDataV1) record. - inline const [SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV1E) &getProfileDataV1() const - Wrapper which allows for const access to the version 1 profile data payload. See also [SystemProfileData::getProfileDataV1()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileData_1a141c85ccbfbdfbf0c65f0d7f282117dc) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt17SystemProfileData7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt17SystemProfileData7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt17SystemProfileData7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt17SystemProfileData7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileData(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV1E)>, &interface\_type::getProfileDataV1, &interface\_type::setProfileDataV1> m\_profileDataV1 - [Version](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtInfo.html#structqairt_1_1Version) 1 profile data payload carried by this data container. - class SystemProfileDataV1 : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileDataV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV1E), [QairtSystem\_Profile\_ProfileDataV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv435QairtSystem_Profile_ProfileDataV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for a version-1 system profile data record. Obtained via `SystemApi::make()`. Aggregates a SystemProfileHeaderV1 and an ordered list of SystemProfileEventV1 records for one profiling session. Copy to clipboard Public Functions - inline void setHeader(const [SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV1E) &header) - Set the profile header for this profile data record. See also [QairtSystem\_Profile\_ProfileData\_setHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1accd393343aec394d4fa37474899b93b9) - Parameters - **header** – **[in]** [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) header to associate with this record. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. - inline [SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV1E) &getHeader() - Get the profile header associated with this profile data record. See also [QairtSystem\_Profile\_ProfileData\_getHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a6cba6c4cba242576d0a2a931a4ef3955) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the associated [SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileHeaderV1). - inline const [SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV1E) &getHeader() const - Wrapper which allows for const access to the profile header. See also [SystemProfileDataV1::getHeader()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileDataV1_1a899c6d19f5abe72409cb18eb3addcfc5) - inline void setEvents(std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &&events) - Replace the entire profiling event list for this profile data record. See also [QairtSystem\_Profile\_ProfileData\_setEvents](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ac6cf4b7c0e872c7bfab3dc07f05bd818) - Parameters - **events** – **[in]** Replacement event vector. Ownership is transferred. - inline std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &getEvents() - Get the list of profiling events for this profile data record. See also [QairtSystem\_Profile\_ProfileData\_getNumProfilingEvents](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a3bcfd978665d8b3616a846dda4583f9c) - Returns - Reference to the event vector. Note Releasing this profile data handle invalidates memory returned by [getEvents()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileDataV1_1a42a9c77042b6015d44ac465cfe63f049). - inline const std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &getEvents() const - Wrapper which allows for const access to the profiling event list. See also [SystemProfileDataV1::getEvents()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileDataV1_1a42a9c77042b6015d44ac465cfe63f049) - inline void addEvent([SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E) &&event) - Append a profiling event to this profile data record. See also [QairtSystem\_Profile\_ProfileData\_addEvent](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a4630f8b1e4e8878c95323f85712811ef) - Parameters - **event** – **[in]** [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) event to append. Ownership is transferred. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV17ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV17ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt19SystemProfileDataV17ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt19SystemProfileDataV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileDataV1(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV1E)>, &interface\_type::getHeader, &interface\_type::setHeader> m\_header - [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) header associated with this profile data record. - mutable std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> m\_events - Profiling events contained in this profile data record. - class SystemProfileEventV1 : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E), [QairtSystem\_Profile\_EventV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv429QairtSystem_Profile_EventV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for a single system profile event record. Obtained via `SystemApi::make()`. Carries an event data payload and an optional list of nested sub-events. The Copy to clipboard Public Functions - inline SystemProfileEventV1(const std::shared\_ptr<SystemApiTable> &apiTable, [QairtSystem\_Profile\_EventHandle\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv433QairtSystem_Profile_EventHandle_t) handle) - Construct a system profile event from an existing C API event handle. Used internally to wrap handles returned by getSubEventAt() and getEventAt(). - Parameters - - **apiTable** – **[in]** System API table for this event. - **handle** – **[in]** Existing C API event handle to adopt. - inline [SystemProfileEventDataType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt26SystemProfileEventDataTypeE) getEventDataType() const - Get the event data format classification for this profile event. See also [QairtSystem\_Profile\_Event\_getEventDataType](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a260db565c30e2ef7ab608177874b7dd9) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The event data type enumerator. - inline void setEventData(const [ProfileEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#_CPPv4N5qairt16ProfileEventDataE) &eventData) - Set the event data payload for this profile event. See also [QairtSystem\_Profile\_Event\_setEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1abae0898bfed56fadb01152a3e79ee27a) - Parameters - **eventData** – **[in]** [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) event data to associate with this event. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. - inline [ProfileEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#_CPPv4N5qairt16ProfileEventDataE) &getEventData() - Get the event data payload associated with this profile event. See also [QairtSystem\_Profile\_Event\_getEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a09dd35c5fe86552f78dd7276cd2accf0) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the associated [ProfileEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1ProfileEventData). - inline const [ProfileEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#_CPPv4N5qairt16ProfileEventDataE) &getEventData() const - Wrapper which allows for const access to the event data payload. See also [SystemProfileEventV1::getEventData()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileEventV1_1a53fb94ca69af0635074ac453c2440eeb) - inline void addSubEvent([SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E) &&subEvent) - Append a sub-event to this profile event’s sub-event list. See also [QairtSystem\_Profile\_Event\_addSubEvent](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a832d17a8e0d4355398f6f92e039acca3) - Parameters - **subEvent** – **[in]** Sub-event to append. Ownership is transferred. - inline std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &getSubEventData() - Get the list of sub-events for this profile event. See also [QairtSystem\_Profile\_Event\_getNumSubEvents](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a89c8c469ae1fda478d9f4e8d30ea8235) - Returns - Reference to the sub-event vector. - inline const std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &getSubEventData() const - Wrapper which allows for const access to the sub-event list. See also [SystemProfileEventV1::getSubEventData()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileEventV1_1a451c27e2f881f6e8975d054e21d7c790) - inline void setSubEventData(std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> &&subEvents) - Replace the entire sub-event list for this profile event. See also [QairtSystem\_Profile\_Event\_setSubEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a50e2f1958007470e119fc5b44469f913) - Parameters - **subEvents** – **[in]** Replacement sub-event vector. Ownership is transferred. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV17ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV17ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV17ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt20SystemProfileEventV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileEventV1(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[ProfileEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#_CPPv4N5qairt16ProfileEventDataE)>, &interface\_type::getEventData, &interface\_type::setEventData> m\_eventData - [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) event data associated with this system profile event. - mutable std::vector<[SystemProfileEventV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt20SystemProfileEventV1E)> m\_subEvents - Nested sub-events belonging to this event. - class SystemProfileHeaderV1 : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileHeaderV1](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV1E), [QairtSystem\_Profile\_HeaderV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv430QairtSystem_Profile_HeaderV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* Handle for a single system profile event header. Obtained via `SystemApi::make()`. Copy to clipboard Public Functions - inline uint64\_t getStartTime() const - Get the profiling interval start timestamp. See also [QairtSystem\_Profile\_Header\_getStartTime](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ae3dd7311ccf3ed52320dcd897d7d630b) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Start time in microseconds. - inline void setStartTime(uint64\_t startTime) - Set the profiling interval start timestamp. See also [QairtSystem\_Profile\_Header\_setStartTime](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ab9ca8041bbef3746a90dac7e7bd65c52) - Parameters - **startTime** – **[in]** Start time in microseconds. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline uint64\_t getStopTime() const - Get the profiling interval stop timestamp. See also [QairtSystem\_Profile\_Header\_getStopTime](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1aed35350362db6502ce807f4d47033870) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Stop time in microseconds. - inline void setStopTime(uint64\_t stopTime) - Set the profiling interval stop timestamp. See also [QairtSystem\_Profile\_Header\_setStopTime](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a2d97cf2c8fa6d7db51895c7e81e9b070) - Parameters - **stopTime** – **[in]** Stop time in microseconds. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline uint64\_t getStartMem() const - Get the memory usage at the start of the profiling interval. See also [QairtSystem\_Profile\_Header\_getStartMem](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1aa5cdb57b54aa8b1490b2bbf82dbbce38) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Start memory in bytes. - inline void setStartMem(uint64\_t startMem) - Set the memory usage at the start of the profiling interval. See also [QairtSystem\_Profile\_Header\_setStartMem](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a2ebb7ed50ba8ba764eb54a04687ed5d2) - Parameters - **startMem** – **[in]** Start memory in bytes. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline uint64\_t getStopMem() const - Get the memory usage at the end of the profiling interval. See also [QairtSystem\_Profile\_Header\_getStopMem](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ac48f31d4c61fbd41c6b902574fbb5488) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Stop memory in bytes. - inline void setStopMem(uint64\_t stopMem) - Set the memory usage at the end of the profiling interval. See also [QairtSystem\_Profile\_Header\_setStopMem](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a65a5005e693e005f97781467595f5954) - Parameters - **stopMem** – **[in]** Stop memory in bytes. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline [SystemProfileMethodType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemProfileMethodTypeE) getMethodType() const - Get the operation type associated with this profiling interval. See also [QairtSystem\_Profile\_Header\_getMethodType](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a6d05f85c4cfd404268ad1bdc05650f38) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The method type enumerator for this header. - inline void setMethodType([SystemProfileMethodType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemProfileMethodTypeE) methodType) - Set the operation type associated with this profiling interval. See also [QairtSystem\_Profile\_Header\_setMethodType](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ad2611d77864b1a474a2959b3d55bf071) - Parameters - **methodType** – **[in]** Method type enumerator. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline [SystemProfileVisibility](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemProfileVisibilityE) getVisibility() const - Get the visibility classification for this profiling interval. See also [QairtSystem\_Profile\_Header\_getVisibility](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a459f16b3b45b8ae6102a8c8e0aa348f8) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The visibility enumerator for this header. - inline void setVisibility([SystemProfileVisibility](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt23SystemProfileVisibilityE) visibility) - Set the visibility classification for this profiling interval. See also [QairtSystem\_Profile\_Header\_setVisibility](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1acb0cfe3799b2ab095522d5424e032500) - Parameters - **visibility** – **[in]** Visibility enumerator. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline std::string &getGraphName() - Get the graph name associated with this profiling interval. See also [QairtSystem\_Profile\_Header\_getGraphName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a91b9e6f3067137edfaef5d7eddd8c94e) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The graph name string. - inline const std::string &getGraphName() const - Wrapper which allows for const access to the graph name string. See also [SystemProfileHeaderV1::getGraphName()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileHeaderV1_1a5fc59966d9ac754244e51e583a1d1941) - inline void setGraphName(const std::string &graphName) - Set the graph name associated with this profiling interval. See also [QairtSystem\_Profile\_Header\_setGraphName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a21b8fc430b0609cf7944bc0ced7b7d91) - Parameters - **graphName** – **[in]** Name of the graph. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV17ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV17ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt21SystemProfileHeaderV17ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt21SystemProfileHeaderV17ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileHeaderV1(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getGraphName, &interface\_type::setGraphName> m\_graphName - [Graph](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtGraph.html#classqairt_1_1Graph) name string, managed across the C API boundary. - class SystemProfileSerializationFileHeader : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeaderE), [QairtSystem\_Profile\_SerializationFileHeaderV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv447QairtSystem_Profile_SerializationFileHeaderV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for the file-level metadata written at the top of a serialized profile file. Obtained via `SystemApi::make()`. Stores the application name, application version, and backend version strings that appear in the profile output file. The handle is Copy to clipboard Public Functions - inline const std::string &getAppName() const - Get the application name stored in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_getAppName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1afde27a46047cdf23205dad3ba6a8198d) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The application name string. - inline void setAppName(const std::string &appName) - Set the application name in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_setAppName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1af747bb587c1127d4f8258e51b210441d) - Parameters - **appName** – **[in]** Application name string. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or NULL argument. - inline const std::string &getAppVersion() const - Get the application version stored in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_getAppVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ac19f5c88691efd3e113fb02e9dec8ebb) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The application version string. - inline void setAppVersion(const std::string &appVersion) - Set the application version in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_setAppVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a886fc5aeac722daccfbdeb8cff9b8989) - Parameters - **appVersion** – **[in]** Application version string. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or NULL argument. - inline const std::string &getBackendVersion() const - Get the backend version stored in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_getBackendVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1adea19eb611f9d775de83cd56147154ff) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The backend version string. - inline void setBackendVersion(const std::string &backendVersion) - Set the backend version in this serialization file header. See also [QairtSystem\_Profile\_SerializationFileHeader\_setBackendVersion](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a68e365f2a857b2eb91f2b4930d00306c) - Parameters - **backendVersion** – **[in]** [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) version string. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or NULL argument. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeader7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeader7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationFileHeader7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileSerializationFileHeader(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getAppName, &interface\_type::setAppName> m\_appName - Application name written into the serialization file header. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getAppVersion, &interface\_type::setAppVersion> m\_appVersion - Application version string written into the serialization file header. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getBackendVersion, &interface\_type::setBackendVersion> m\_backendVersion - [Backend](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtBackend.html#classqairt_1_1Backend) version string written into the serialization file header. - class SystemProfileSerializationTarget : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileSerializationTarget](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt32SystemProfileSerializationTargetE), [QairtSystem\_Profile\_SerializationTargetV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv443QairtSystem_Profile_SerializationTargetV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for a profile data serialization target. Obtained via `SystemApi::make(info, config)`. Call serializeEventData() to write a collection of SystemProfileData records to the configured output destination. Copy to clipboard Public Functions - inline void serializeEventData(std::vector<[SystemProfileData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt17SystemProfileDataE)> &eventData) - Serialize a collection of profile data records to the configured output destination. Writes each [SystemProfileData](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileData) record in *eventData* to the destination specified when this target was created. The output format and destination are determined by the [SystemProfileSerializationTargetInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationTargetInfo) and [SystemProfileSerializationTargetConfiguration](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationTargetConfiguration) passed to the constructor. See also [QairtSystem\_Profile\_SerializationTarget\_serializeEventData](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1af9708b124d3839f89357a66e5b65d28d) - Parameters - **eventData** – **[in]** [Profile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtProfile.html#classqairt_1_1Profile) data records to serialize. Must be non-empty. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on: - invalid handle - empty or NULL event data array - serialization failure - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt32SystemProfileSerializationTarget7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt32SystemProfileSerializationTarget7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt32SystemProfileSerializationTarget7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline SystemProfileSerializationTarget(const std::shared\_ptr<SystemApiTable> &apiTable, const [SystemProfileSerializationTargetInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetInfoE) &info, const [SystemProfileSerializationTargetConfiguration](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt45SystemProfileSerializationTargetConfigurationE) &config) - Private Members - friend SystemApi - - class SystemProfileSerializationTargetConfiguration : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileSerializationTargetConfiguration](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt45SystemProfileSerializationTargetConfigurationE), [QairtSystem\_Profile\_SerializationTargetConfigurationV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv456QairtSystem_Profile_SerializationTargetConfigurationV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for the configuration options of a profile serialization target. Obtained via `SystemApi::make()`. Specifies the maximum number of messages and the file header for a serialization target. The handle is Copy to clipboard Public Functions - inline void setMaxNumMessages(uint32\_t maxNumMessages) - Set the maximum number of messages this serialization target will write. See also [QairtSystem\_Profile\_SerializationTargetConfiguration\_setMaxNumMessages](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ac4b5a221ffff2c0874ae1dc2a89c8097) - Parameters - **maxNumMessages** – **[in]** Maximum number of messages. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - inline uint32\_t getMaxNumMessages() const - Get the maximum number of messages this serialization target will write. See also [QairtSystem\_Profile\_SerializationTargetConfiguration\_getMaxNumMessages](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1ac210f641f186e6b74dedcc8ddc5172eb) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Maximum message count. - inline void setFileHeader(const [SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeaderE) &fileHeader) - Set the serialization file header for this target configuration. See also [QairtSystem\_Profile\_SerializationTargetConfiguration\_setFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a34f0358de455c8940e1e63a19e713808) - Parameters - **fileHeader** – **[in]** Serialization file header to associate. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. - inline [SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeaderE) &getFileHeader() - Get the serialization file header associated with this target configuration. See also [QairtSystem\_Profile\_SerializationTargetConfiguration\_getFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1aaa60bb4774ddc322d7f9cde7c10fe5cb) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the associated [SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationFileHeader). - inline const [SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeaderE) &getFileHeader() const - Wrapper which allows for const access to the serialization file header. See also [SystemProfileSerializationTargetConfiguration::getFileHeader()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationTargetConfiguration_1a8da77e59246e55210913fe3589e9854b) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt45SystemProfileSerializationTargetConfiguration7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileSerializationTargetConfiguration(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemProfileSerializationFileHeader](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationFileHeaderE)>, &interface\_type::getFileHeader, &interface\_type::setFileHeader> m\_fileHeader - Serialization file header associated with this target configuration. - class SystemProfileSerializationTargetFile : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFileE), [QairtSystem\_Profile\_SerializationTargetFileV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv447QairtSystem_Profile_SerializationTargetFileV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for a profile output file descriptor used by a serialization target. Obtained via `SystemApi::make()`. Stores the output file name and directory for a serialized profile file. Copy to clipboard Public Functions - inline const std::string &getFileName() const - Get the output file name stored in this serialization target file. See also [QairtSystem\_Profile\_SerializationTargetFile\_getFileName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a2d9da81388d5b70fbf600d82b72faffa) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The output file name string. - inline void setFileName(const std::string &fileName) - Set the output file name for this serialization target file. See also [QairtSystem\_Profile\_SerializationTargetFile\_setFileName](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a89085907a59c2130b7308210e2b92c39) - Parameters - **fileName** – **[in]** Output file name string.csv”. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or NULL argument. - inline const std::string &getFileDirectory() const - Get the output directory stored in this serialization target file. See also [QairtSystem\_Profile\_SerializationTargetFile\_getFileDirectory](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a2f7340da4c4656de28de40a6a323dbc1) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - The output directory path string. - inline void setFileDirectory(const std::string &fileDirectory) - Set the output directory for this serialization target file. See also [QairtSystem\_Profile\_SerializationTargetFile\_setFileDirectory](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1a37827bdff55c0f36951f66411cc7e7db) - Parameters - **fileDirectory** – **[in]** Output directory path string. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or NULL argument. - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFile7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFile7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetFile7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileSerializationTargetFile(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getFileName, &interface\_type::setFileName> m\_fileName - Output file name for the serialization target. - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<std::string, &interface\_type::getFileDirectory, &interface\_type::setFileDirectory> m\_fileDirectory - Output directory for the serialization target file. - class SystemProfileSerializationTargetInfo : public [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::ApiType<[SystemProfileSerializationTargetInfo](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetInfoE), [QairtSystem\_Profile\_SerializationTargetInfoV1\_t](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#_CPPv447QairtSystem_Profile_SerializationTargetInfoV1_t), SystemApiTable> - *#include <QairtSystemProfile.hpp>* handle for the type and output destination of a profile serialization target. Obtained via `SystemApi::make()`. Associates a serialization type with a SystemProfileSerializationTargetFile. Copy to clipboard Public Functions - inline void setTargetFile(const [SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFileE) &targetFile) - Set the target file descriptor for this serialization target info. See also [QairtSystem\_Profile\_SerializationTargetInfo\_setTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1af7ecda865a55388252429ed233da758c) - Parameters - **targetFile** – **[in]** Serialization target file to associate. - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle or invalid argument. - inline [SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFileE) &getTargetFile() - Get the target file descriptor associated with this serialization target info. See also [QairtSystem\_Profile\_SerializationTargetInfo\_getTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtSystem.html#QairtSystemProfile_8h_1aec7368a615c1cafacc86f3708389d64f) - Throws - [qairt](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtLog.html#_CPPv45qairt)::[Exception](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtApi.html#_CPPv4N5qairt9ExceptionE) – on invalid handle. - Returns - Reference to the associated [SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationTargetFile). - inline const [SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFileE) &getTargetFile() const - Wrapper which allows for const access to the target file descriptor. See also [SystemProfileSerializationTargetInfo::getTargetFile()](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#classqairt_1_1SystemProfileSerializationTargetInfo_1aea7d520df8c82b6120a19b36ed91e276) - template<typename T, typename U, typename V> inline ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)<[T](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [U](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE), [V](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)> &parent, [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning\_handle<handle\_type> noh) - - inline explicit ApiType(const std::shared\_ptr<T\_Table> &apiTable) - - inline ApiType(copy\_table\_tag\_t, const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetInfo7ApiTypeE16copy_table_tag_tRK7ApiType) &other) - - ApiType() noexcept = default - - ApiType(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiType)&) = delete - - ApiType([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetInfo7ApiTypeERR7ApiType)&&) noexcept = default - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=(const [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&) = delete - - [ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE) &operator=([ApiType](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4I000EN5qairt36SystemProfileSerializationTargetInfo7ApiTypeERK7ApiTypeI1T1U1VEN6detail17non_owning_handleI11handle_typeEE)&&) noexcept = default - Private Functions - inline void prepareToCross() const - - inline void updateAfterCross() const - - inline explicit SystemProfileSerializationTargetInfo(const std::shared\_ptr<SystemApiTable> &apiTable) - Private Members - friend SystemApi - - friend Api - - [detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::crossable<[detail](https://docs.qualcomm.com/doc/80-63442-10/topic/QairtTypeTraits.html#_CPPv4N5qairt6detailE)::non\_owning<[SystemProfileSerializationTargetFile](https://docs.qualcomm.com/doc/80-63442-10/topic/cpp-api_QairtSystem.html#_CPPv4N5qairt36SystemProfileSerializationTargetFileE)>, &interface\_type::getTargetFile, &interface\_type::setTargetFile> m\_targetFile - Target file descriptor associated with this serialization target info. * * * C++ wrapper for system tensor operations. **Include:** `#include "QairtCppApi/System/QairtSystemTensor.hpp"` Warning doxygenfile: Cannot find file “QairtCppApi/System/QairtSystemTensor.hpp Last Published: Jun 04, 2026 [Previous Topic QairtTypeTraits](https://docs.qualcomm.com/bundle/publicresource/80-63442-10/topics/QairtTypeTraits.md) [Next Topic QNN](https://docs.qualcomm.com/bundle/publicresource/80-63442-10/topics/index_QNN.md)