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 14:49:58
Last Modify:2022-05-20 07:50:19 Copyright©Brick
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函数名称:is_kernel_event

函数原型:static bool is_kernel_event(struct perf_event *event)

返回类型:bool

参数:

类型参数名称
struct perf_event *event
171  返回:READ_ONCE(owner)恒等于TASK_TOMBSTONE
调用者
名称描述
perf_event_release_kernelKill an event dead; while event:refcount will preserve the event* object, it will not preserve its functionality. Once the last 'user'* gives up the object, we'll destroy the thing.