函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\watchdog_hld.c Create Date:2022-07-27 12:50:25
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：hardlockup_detector_perf_enable - Enable the local event

函数原型：void hardlockup_detector_perf_enable(void)

返回类型：void

参数：无

192  如果hardlockup_detector_event_create()则返回
196  如果非atomic_fetch_inc( & watchdog_cpus)则打印信息("Enabled. Permanently consumes one hw-PMU counter.\n")
199  perf_event_enable(Operations with implied preemption/interrupt protection. These* operations can be used without worrying about preemption or interrupt.(watchdog_ev))