函数逻辑报告

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:kernel\trace\trace_events_trigger.c Create Date:2022-07-27 13:34:26
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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函数名称:Currently we only register event commands from __init, so mark this* __init too.

函数原型:__init int register_event_command(struct event_command *cmd)

返回类型:int

参数:

类型参数名称
struct event_command *cmd
326  ret等于0
328  mutex_lock( & trigger_cmd_mutex)
330  如果字符串比较恒等于0则
331  ret等于负EBUSY
332  转到:out_unlock
335  添加链表项
336  out_unlock :
337  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.
339  返回:ret
调用者
名称描述
register_trigger_stacktrace_cmd
register_trigger_enable_disable_cmds
register_trigger_traceon_traceoff_cmds
register_trigger_hist_cmd
register_trigger_hist_enable_disable_cmds