trace_event_trigger_enable_disable

函数名称：trace_event_trigger_enable_disable

函数原型：int trace_event_trigger_enable_disable(struct trace_event_file *file, int trigger_enable)

返回类型：int

参数：

类型	参数	名称
struct trace_event_file *	file
int	trigger_enable

444

ret等于0

446

如果trigger_enable则

447

如果atomic_inc_return( & trigger-mode reference counter )大于1则返回:ret

449

设置内存位

450

ret等于trace_event_enable_disable(file, 1, 1)

451

否则

452

如果atomic_dec_return( & trigger-mode reference counter )大于0则返回:ret

454

lear_bit - Clears a bit in memory*@nr: Bit to clear*@addr: Address to start counting from* This is a relaxed atomic operation (no implied memory barriers).

455

ret等于trace_event_enable_disable(file, 0, 1)

458

返回:ret

**调用者**
名称	描述
clear_event_triggers	lear_event_triggers - Clear all triggers associated with a trace array@tr: The trace array to clear For each trigger, the triggering event has its tm_ref decremented* via trace_event_trigger_enable_disable(), and any associated event* (in the case of
register_trigger	gister_trigger - Generic event_command @reg implementation@glob: The raw string used to register the trigger@ops: The trigger ops associated with the trigger@data: Trigger-specific data to associate with the trigger@file: The trace_event_file
unregister_trigger	register_trigger - Generic event_command @unreg implementation@glob: The raw string used to register the trigger@ops: The trigger ops associated with the trigger@test: Trigger-specific data used to find the trigger to remove@file: The trace_event_file
event_enable_register_trigger
event_enable_unregister_trigger
hist_trigger_enable
hist_unregister_trigger
hist_unreg_all
hist_enable_unreg_all

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