Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-28 13:39:34
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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Annotation kernel can get tool activityDownload SCCTChinese

Name:perf_event_set_addr_filter

Proto:static int perf_event_set_addr_filter(struct perf_event *event, char *filter_str)

Type:int

Parameter:

TypeParameterName
struct perf_event *event
char *filter_str
9725  LIST_HEAD(filters)
9732  lockdep_assert_held( & mutex)
9734  If WARN_ON_ONCE(parent) Then Return -EINVAL
9737  ret = Address filter string parser
9738  If ret Then Go to fail_clear_files
9741  ret = addr_filters_validate( & filters)
9742  If ret Then Go to fail_free_filters
9746  perf_addr_filters_splice(event, & filters)
9749  Holding the top-level event's child_mutex means that any* descendant process that has inherited this event will block* in perf_event_exit_event() if it goes to exit, thus satisfying the* task existence requirements of perf_event_enable/disable.
9751  Return ret
9753  fail_free_filters :
9754  free_filters_list( & filters)
9756  fail_clear_files :
9757  nr_file_filters = 0
9759  Return ret
Caller
NameDescribe
perf_event_set_filter