函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\events\core.c Create Date:2022-07-27 14:59:34
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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函数名称：perf_event_set_addr_filter

函数原型：static int perf_event_set_addr_filter(struct perf_event *event, char *filter_str)

返回类型：int

参数：

类型参数名称
struct perf_event *event
char *filter_str
9725  LIST_HEAD(filters)
9732  lockdep_assert_held( & mutex)
9734  如果WARN_ON_ONCE(parent)则返回:负EINVAL
9737  ret等于Address filter string parser
9738  如果ret则转到:fail_clear_files
9741  ret等于addr_filters_validate( & filters)
9742  如果ret则转到: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  返回:ret
9753  fail_free_filters :
9754  free_filters_list( & filters)
9756  fail_clear_files :
9757  nr_file_filters等于0
9759  返回:ret
调用者
名称描述
perf_event_set_filter