Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-28 13:35:27
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:perf_ioctl

Proto:static long perf_ioctl(struct file *file, unsigned int cmd, unsigned long arg)

Type:long

Parameter:

TypeParameterName
struct file *file
unsigned intcmd
unsigned longarg
5340  event = needed for tty driver, and maybe others
5345  ret = security_perf_event_write(event)
5346  If ret Then Return ret
5349  ctx = perf_event_ctx_lock(event)
5350  ret = _perf_ioctl(event, cmd, arg)
5351  perf_event_ctx_unlock(event, ctx)
5353  Return ret
Caller
NameDescribe
perf_compat_ioctl