# References

## Related documents

| Title | Number |
| --- | --- |
| **Qualcomm Technologies, Inc.** | **Qualcomm Technologies, Inc.** |
| [Qualcomm Linux Build Guide](https://docs.qualcomm.com/bundle/publicresource/topics/80-70030-254/introduction.html) | 80-70030-254 |
| [Qualcomm Software Center](https://docs.qualcomm.com/bundle/publicresource/topics/80-72780-2/overview.html) | 80-72780-2 |
| [Qualcomm Linux Performance Guide - Addendum for Qualcomm Dragonwing IQ-9075](https://docs.qualcomm.com/bundle/resource/topics/80-70030-10A/overview.html)<br><br><br>Available to licensed users with authorized access. | 80-70030-10A |
| [Qualcomm Linux Performance Guide - Addendum for Qualcomm Dragonwing IQ-8275](https://docs.qualcomm.com/bundle/resource/topics/80-70030-10B/overview.html)<br><br><br>Available to licensed users with authorized access. | 80-70030-10B |
| [Qualcomm Linux Performance Guide - Addendum for Qualcomm Dragonwing IQ-615](https://docs.qualcomm.com/bundle/resource/topics/80-70030-10C/overview.html)<br><br><br>Available to licensed users with authorized access. | 80-70030-10C |
| **Resources** | **Resources** |
| [CPU frequency and voltage scaling code in the Linux kernel](https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt) | [CPU frequency and voltage scaling code in the Linux kernel](https://www.kernel.org/doc/Documentation/cpu-freq/governors.txt) |
| [CPU Performance Scaling](https://www.kernel.org/doc/html/v5.0/admin-guide/pm/cpufreq.html) | [CPU Performance Scaling](https://www.kernel.org/doc/html/v5.0/admin-guide/pm/cpufreq.html) |
| [Per-entity load tracking](https://lwn.net/Articles/531853/) | [Per-entity load tracking](https://lwn.net/Articles/531853/) |
| [\[PATCH v3 0/4\] soc/arm64: qcom: Add initial version of bwmon](https://lwn.net/ml/linux-kernel/20220531105137.110050-1-krzysztof.kozlowski@linaro.org/) | [\[PATCH v3 0/4\] soc/arm64: qcom: Add initial version of bwmon](https://lwn.net/ml/linux-kernel/20220531105137.110050-1-krzysztof.kozlowski@linaro.org/) |
| [systemd-analyze — Analyze and debug system manager](https://www.freedesktop.org/software/systemd/man/latest/systemd-analyze.html) | [systemd-analyze — Analyze and debug system manager](https://www.freedesktop.org/software/systemd/man/latest/systemd-analyze.html) |
| [perf: Linux profiling with performance counters](https://perf.wiki.kernel.org/index.php/Main_Page) | [perf: Linux profiling with performance counters](https://perf.wiki.kernel.org/index.php/Main_Page) |

## Acronyms and terms

| Acronym or term | Definition |
| --- | --- |
| BWMON | Bandwidth monitoring |
| DTSI | Device tree source include |
| DVFS | Dynamic voltage and frequency scaling |
| EEVDF | Earliest eligible virtual deadline first |
| Ftrace | Function trace |
| GMEM | GPU memory |
| Kswapd | Kernel swap daemon |
| LLCC | Last level cache controller |
| LTTng | Linux Trace Toolkit next generation |
| PELT | Per entity load tracking |
| PerfHAL | Performance abstraction layer |
| PMU | Performance monitoring unit |
| QSC | Qualcomm Software Center |
| QTEE | Qualcomm® Trusted Execution Environment |
| RT | Real-time (kernel) |
| SoC | System-on-chip |
| TZ | TrustZone |
| UCLAMP | Utilization clamping |

Last Published: Jul 20, 2026

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Source: [https://docs.qualcomm.com/doc/80-70030-10/topic/56-references.html](https://docs.qualcomm.com/doc/80-70030-10/topic/56-references.html)