# 了解温控架构

温控架构展示了 Qualcomm Linux 的温控框架如何与温度传感器 (Tsens) 硬件、cooling-map 接口和用户空间客户端交互。

![../../_images/thermal_arch.png](data:image/png;base64,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)

**图：温控架构**

表：温控架构组件的说明

| 温控架构的组件 | 说明 |
| --- | --- |
| 温控设备树 | <ul class="simple"><br><li><p>温控设备树由多个 thermal zone 组成。</p></li><br><li><p>为每个 Tsens 配置一个 thermal zone。</p></li><br><li><p>每个 thermal zone 都由传感器硬件信息、不同级别的温控门限及其各自的降温操作组成。</p></li><br><li><p>thermal zone 的所有规则都在设备树中定义。</p></li><br></ul> |
| 温控框架 | 温控框架从设备树中解析 thermal zone 规则，并将 Tsens 硬件配置为在温度超过门限时生成中断。 |
| 温控调节器 | <ul class="simple"><br><li><p>温控调节器是一种温度监视算法，用于控制 thermal zone 的温度。</p></li><br><li><p>它可调节与该策略相关的 cooling device，并将温度保持在限值范围内。</p></li><br><li><p>在收到来自 Tsens 硬件的中断通知后，温控框架使用 stepwise 温控调节器将降温操作传达给 cooling map 接口（CPU 频率驱动程序）。</p></li><br></ul> |
| Cooling map 接口 | <ul class="simple"><br><li><p>Cooling map 接口是可以节流以降低 Qualcomm Linux 温度的设备集合。</p></li><br><li><p>thermal zone 的每个 trip 实例都与 cooling device 关联。</p></li><br><li><p>温控核框架会聚合所有 cooling device 实例的请求，并将聚合后的请求发送给 cooling device。</p></li><br></ul> |
| 用户空间客户端 | 用户空间客户端使用以下接口与温控框架通信：<br><br><br><br>> <br>> <br>> <ul class="simple"><br>> <li><p><code class="docutils literal notranslate"><span class="pre">sysfs</span></code> 接口：用于读取 Tsens 的温度和内核 trip 信息。</p></li><br>> <li><p><code class="docutils literal notranslate"><span class="pre">Netlink</span></code> 接口：获取 Tsens 温度通知信息。</p></li><br>> </ul> |

## 温控调节策略

Qualcomm Linux 通过内置的软件和硬件缓解策略来调节设备的热行为。

温控框架根据需要应用调节策略，并按以下方式运行：

- 使用片上 Tsens 监视系统的温控响应
- 根据设备树的热阈值限制应用缓解策略
- 提供软件节流、硬件节流、软件关机和硬件关机调节策略来控制温度

表：温度管理技术和说明

| 温度管理技术 | 说明 |
| --- | --- |
| 软件节流 | <ul><br><li><p>每当系统中的温度超过配置的门限时，Tsens 就会触发中断。</p></li><br><li><p>温控框架为响应中断在 CPU、GPU 和 NSP 上启动以下调节操作：</p><ul><br><li><p>温控 DCVS</p><ul class="simple"><br><li><p>如果超过温度门限，则降低最大工作频率</p></li><br><li><p>电压调节根据时钟调节而发生，从而降低功耗和温度</p></li><br></ul><br></li><br><li><p>CPU 空闲注入</p><br><p>核在配置的空闲时间内处于最深的低功耗状态。</p><br></li><br></ul><br></li><br></ul> |
| 硬件节流 | <ul class="simple"><br><li><p>内置硬件执行温控调节操作，确保系统可靠性</p></li><br><li><p>降低 CPU 和 NSP 时钟速度，以便从高热条件下快速恢复</p></li><br></ul> |
| 软件关机 | 在收到 Tsens 的中断后，温控框架将启动正常关机。 |
| 硬件关机 | 硬件启动设备关机。 |

Note

温控调节技术仅供参考。它们有助于了解高热条件下的性能回归。

下表显示了发生内置软件和硬件调节时的温度。

Tab QCS6490/QCS5430
Tab QCS9075
Tab QCS8275

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 115 ºC<br><br><br>调节操作：核空闲注入 | 110 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 105 ºC<br><br><br>调节操作：频率限制 | 102 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 |

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 116 ºC<br><br><br>调节操作：核空闲注入 | 105 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 110 ºC<br><br><br>调节操作：频率限制 | 110 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 |

| 调节操作 | CPU | NSP | GPU |
| --- | --- | --- | --- |
| 软件节流 | 116 ºC<br><br><br>调节操作：核空闲注入 | 105 ºC<br><br><br>调节操作：频率限制 | 105 ºC<br><br><br>调节操作：频率限制 |
| 硬件节流 | 110 ºC<br><br><br>调节操作：频率限制 | 110 ºC<br><br><br>调节操作：频率限制 | 不适用 |
| 软件关机 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 | 118 ºC<br><br><br>调节操作：设备关闭 |
| 硬件关机 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 | 120 ºC<br><br><br>调节操作：设备关闭 |

Note

要调节热条件，可以基于 PCB 热敏电阻创建自己的 thermal zone 规则。有关详细信息，参见配置新的 thermal zone。

Last Published: Oct 23, 2025

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Source: [https://docs.qualcomm.com/doc/80-70018-30SC/topic/thermal-architecture.html](https://docs.qualcomm.com/doc/80-70018-30SC/topic/thermal-architecture.html)