263 		if (free_event->trigger)  in trace_events_free()
264 			free(free_event->trigger);  in trace_events_free()
312  * trace_event_add_trigger - record an event trigger action
314 int trace_event_add_trigger(struct trace_events *event, char *trigger)  in trace_event_add_trigger()  argument
316 	if (event->trigger)  in trace_event_add_trigger()
317 		free(event->trigger);  in trace_event_add_trigger()
319 	event->trigger = strdup(trigger);  in trace_event_add_trigger()
320 	if (!event->trigger)  in trace_event_add_trigger()
356  * If the trigger is a hist: one, save the content of the hist file.
369 	/* trigger enables hist */  in trace_event_save_hist()
370 	if (!tevent->trigger)  in trace_event_save_hist()
373 	/* is this a hist: trigger? */  in trace_event_save_hist()
374 	retval = strncmp(tevent->trigger, "hist:", strlen("hist:"));  in trace_event_save_hist()
405  * trace_event_disable_trigger - disable an event trigger
410 	char trigger[1024];  in trace_event_disable_trigger()  local
413 	if (!tevent->trigger)  in trace_event_disable_trigger()
419 	debug_msg("Disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
420 		  tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
424 	snprintf(trigger, 1024, "!%s\n", tevent->trigger);  in trace_event_disable_trigger()
427 					  tevent->event, "trigger", trigger);  in trace_event_disable_trigger()
429 		err_msg("Error disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
430 			tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
493  * trace_event_enable_trigger - enable an event trigger associated with an event
498 	char trigger[1024];  in trace_event_enable_trigger()  local
501 	if (!tevent->trigger)  in trace_event_enable_trigger()
505 		err_msg("Trigger %s applies only for single events, not for all %s:* events\n",  in trace_event_enable_trigger()
506 			tevent->trigger, tevent->system);  in trace_event_enable_trigger()
510 	snprintf(trigger, 1024, "%s\n", tevent->trigger);  in trace_event_enable_trigger()
512 	debug_msg("Enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
513 		  tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()
516 					  tevent->event, "trigger", trigger);  in trace_event_enable_trigger()
518 		err_msg("Error enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
519 			tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()