Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-28 13:33:16
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:perf_event_modify_attr

Proto:static int perf_event_modify_attr(struct perf_event *event, struct perf_event_attr *attr)

Type:int

Parameter:

TypeParameterName
struct perf_event *event
struct perf_event_attr *attr
3018  If type != Major type: hardware/software/tracepoint/etc. Then Return -EINVAL
3022  Case type == PERF_TYPE_BREAKPOINT
3023  Return perf_event_modify_breakpoint(event, attr)
3024  Default
3026  Return -EOPNOTSUPP
Caller
NameDescribe
_perf_ioctl