函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events.c Create Date:2022-07-27 13:27:53
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称：Add an additional event_call dynamically

函数原型：int trace_add_event_call(struct trace_event_call *call)

返回类型：int

参数：

类型参数名称
struct trace_event_call *call
2334  lockdep_assert_held( & event_mutex)
2336  mutex_lock( & race_types_lock is used to protect the trace_types list.)
2338  ret等于__register_event(call, NULL)
2339  如果ret大于等于0则__add_event_to_tracers(call)
2342  mutex_unlock - release the mutex*@lock: the mutex to be released* Unlock a mutex that has been locked by this task previously.* This function must not be used in interrupt context. Unlocking* of a not locked mutex is not allowed.
2343  返回:ret
调用者
名称描述
register_synth_event
trace_probe_register_event_call