Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\watchdog_hld.c Create Date:2022-07-28 11:45:46
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:hardlockup_detector_perf_enable - Enable the local event

Proto:void hardlockup_detector_perf_enable(void)

Type:void

Parameter:Nothing

192  If hardlockup_detector_event_create() Then Return
196  If Not atomic_fetch_inc( & watchdog_cpus) Then pr_info("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))