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 14:57:13
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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函数名称：__perf_event_output_stop

函数原型：static void __perf_event_output_stop(struct perf_event *event, void *data)

返回类型：void

参数：

类型参数名称
struct perf_event *event
void *data
7168  parent等于parent
7169  ro等于data
7170  rb等于rb
7171  struct stop_event_data sd = {event = event, }
7175  如果非has_aux(event)则返回
7178  如果非parent则parent等于event
7191  如果cu_dereference() - fetch RCU-protected pointer for dereferencing*@p: The pointer to read, prior to dereferencing* This is a simple wrapper around rcu_dereference_check().(rb)恒等于rb则err等于__perf_event_stop( & sd)