# 电源管理 QoS API

Source: [https://docs.qualcomm.com/doc/80-70015-30SC/topic/pmqos.html](https://docs.qualcomm.com/doc/80-70015-30SC/topic/pmqos.html)

电源管理服务质量 (PM QoS) API 允许驱动程序指定延迟要求（以微秒为单位）。如果 CPU 核心休眠状态的唤醒延迟长于指定的 QoS 时延，则 CPU 核心不会进入相应的休眠状态。

有关 API 的更多信息，参见 [index: kernel/git/torvalds/linux.git](https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation/power/pm_qos_interface.rst?h=v6.6)。

**Parent Topic:** [CPU 电源管理](https://docs.qualcomm.com/doc/80-70015-30SC/topic/cpupowermanagement.html)

Last Published: Nov 25, 2024

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