Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-28 13:35:03
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:is_event_hup

Proto:static bool is_event_hup(struct perf_event *event)

Type:bool

Parameter:

TypeParameterName
struct perf_event *event
4999  If state > PERF_EVENT_STATE_EXIT Then Return false
5002  mutex_lock( & child_mutex)
5003  no_children = list_empty - tests whether a list is empty*@head: the list to test.
5004  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
5005  Return no_children
Caller
NameDescribe
perf_poll