trace_event_trigger_enable_disable

Name:trace_event_trigger_enable_disable

Proto:int trace_event_trigger_enable_disable(struct trace_event_file *file, int trigger_enable)

Type:int

Parameter:

Type	Parameter	Name
struct trace_event_file *	file
int	trigger_enable

444

ret = 0

446

If trigger_enable Then

447

If atomic_inc_return( & trigger-mode reference counter ) > 1 Then Return ret

449

Atomically set a bit in memory

450

ret = trace_event_enable_disable(file, 1, 1)

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Else

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If atomic_dec_return( & trigger-mode reference counter ) > 0 Then Return ret

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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 = trace_event_enable_disable(file, 0, 1)

458

Return ret

**Caller**
Name	Describe
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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