214 		if (free_event->trigger)  in trace_events_free()
215 			free(free_event->trigger);  in trace_events_free()
263  * trace_event_add_trigger - record an event trigger action
265 int trace_event_add_trigger(struct trace_events *event, char *trigger)  in trace_event_add_trigger()  argument
267 	if (event->trigger)  in trace_event_add_trigger()
268 		free(event->trigger);  in trace_event_add_trigger()
270 	event->trigger = strdup(trigger);  in trace_event_add_trigger()
271 	if (!event->trigger)  in trace_event_add_trigger()
307  * If the trigger is a hist: one, save the content of the hist file.
320 	/* trigger enables hist */  in trace_event_save_hist()
321 	if (!tevent->trigger)  in trace_event_save_hist()
324 	/* is this a hist: trigger? */  in trace_event_save_hist()
325 	retval = strncmp(tevent->trigger, "hist:", strlen("hist:"));  in trace_event_save_hist()
356  * trace_event_disable_trigger - disable an event trigger
361 	char trigger[1024];  in trace_event_disable_trigger()  local
364 	if (!tevent->trigger)  in trace_event_disable_trigger()
370 	debug_msg("Disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
371 		  tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
375 	snprintf(trigger, 1024, "!%s\n", tevent->trigger);  in trace_event_disable_trigger()
378 					  tevent->event, "trigger", trigger);  in trace_event_disable_trigger()
380 		err_msg("Error disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
381 			tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
444  * trace_event_enable_trigger - enable an event trigger associated with an event
449 	char trigger[1024];  in trace_event_enable_trigger()  local
452 	if (!tevent->trigger)  in trace_event_enable_trigger()
456 		err_msg("Trigger %s applies only for single events, not for all %s:* events\n",  in trace_event_enable_trigger()
457 			tevent->trigger, tevent->system);  in trace_event_enable_trigger()
461 	snprintf(trigger, 1024, "%s\n", tevent->trigger);  in trace_event_enable_trigger()
463 	debug_msg("Enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
464 		  tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()
467 					  tevent->event, "trigger", trigger);  in trace_event_enable_trigger()
469 		err_msg("Error enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
470 			tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()