254 	struct trace_events *tevent = events;  in trace_events_free()  local
257 	while (tevent) {  in trace_events_free()
258 		free_event = tevent;  in trace_events_free()
260 		tevent = tevent->next;  in trace_events_free()
276 	struct trace_events *tevent;  in trace_event_alloc()  local
278 	tevent = calloc(1, sizeof(*tevent));  in trace_event_alloc()
279 	if (!tevent)  in trace_event_alloc()
282 	tevent->system = strdup(event_string);  in trace_event_alloc()
283 	if (!tevent->system) {  in trace_event_alloc()
284 		free(tevent);  in trace_event_alloc()
288 	tevent->event = strstr(tevent->system, ":");  in trace_event_alloc()
289 	if (tevent->event) {  in trace_event_alloc()
290 		*tevent->event = '\0';  in trace_event_alloc()
291 		tevent->event = &tevent->event[1];  in trace_event_alloc()
294 	return tevent;  in trace_event_alloc()
331 				       struct trace_events *tevent)  in trace_event_disable_filter()  argument
336 	if (!tevent->filter)  in trace_event_disable_filter()
339 	if (!tevent->filter_enabled)  in trace_event_disable_filter()
342 	debug_msg("Disabling %s:%s filter %s\n", tevent->system,  in trace_event_disable_filter()
343 		  tevent->event ? : "*", tevent->filter);  in trace_event_disable_filter()
345 	snprintf(filter, 1024, "!%s\n", tevent->filter);  in trace_event_disable_filter()
347 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_disable_filter()
348 					  tevent->event, "filter", filter);  in trace_event_disable_filter()
350 		err_msg("Error disabling %s:%s filter %s\n", tevent->system,  in trace_event_disable_filter()
351 			tevent->event ? : "*", tevent->filter);  in trace_event_disable_filter()
360 				  struct trace_events *tevent)  in trace_event_save_hist()  argument
367 	if (!tevent)  in trace_event_save_hist()
371 	if (!tevent->trigger)  in trace_event_save_hist()
375 	retval = strncmp(tevent->trigger, "hist:", strlen("hist:"));  in trace_event_save_hist()
379 	snprintf(path, 1024, "%s_%s_hist.txt", tevent->system, tevent->event);  in trace_event_save_hist()
381 	printf("  Saving event %s:%s hist to %s\n", tevent->system, tevent->event, path);  in trace_event_save_hist()
389 	hist = tracefs_event_file_read(instance->inst, tevent->system, tevent->event, "hist", 0);  in trace_event_save_hist()
391 		err_msg("  Failed to read %s:%s hist file\n", tevent->system, tevent->event);  in trace_event_save_hist()
409 					struct trace_events *tevent)  in trace_event_disable_trigger()  argument
414 	if (!tevent->trigger)  in trace_event_disable_trigger()
417 	if (!tevent->trigger_enabled)  in trace_event_disable_trigger()
420 	debug_msg("Disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
421 		  tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
423 	trace_event_save_hist(instance, tevent);  in trace_event_disable_trigger()
425 	snprintf(trigger, 1024, "!%s\n", tevent->trigger);  in trace_event_disable_trigger()
427 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_disable_trigger()
428 					  tevent->event, "trigger", trigger);  in trace_event_disable_trigger()
430 		err_msg("Error disabling %s:%s trigger %s\n", tevent->system,  in trace_event_disable_trigger()
431 			tevent->event ? : "*", tevent->trigger);  in trace_event_disable_trigger()
440 	struct trace_events *tevent = events;  in trace_events_disable()  local
445 	while (tevent) {  in trace_events_disable()
446 		debug_msg("Disabling event %s:%s\n", tevent->system, tevent->event ? : "*");  in trace_events_disable()
447 		if (tevent->enabled) {  in trace_events_disable()
448 			trace_event_disable_filter(instance, tevent);  in trace_events_disable()
449 			trace_event_disable_trigger(instance, tevent);  in trace_events_disable()
450 			tracefs_event_disable(instance->inst, tevent->system, tevent->event);  in trace_events_disable()
453 		tevent->enabled = 0;  in trace_events_disable()
454 		tevent = tevent->next;  in trace_events_disable()
462 				     struct trace_events *tevent)  in trace_event_enable_filter()  argument
467 	if (!tevent->filter)  in trace_event_enable_filter()
470 	if (!tevent->event) {  in trace_event_enable_filter()
472 			tevent->filter, tevent->system);  in trace_event_enable_filter()
476 	snprintf(filter, 1024, "%s\n", tevent->filter);  in trace_event_enable_filter()
478 	debug_msg("Enabling %s:%s filter %s\n", tevent->system,  in trace_event_enable_filter()
479 		  tevent->event ? : "*", tevent->filter);  in trace_event_enable_filter()
481 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_enable_filter()
482 					  tevent->event, "filter", filter);  in trace_event_enable_filter()
484 		err_msg("Error enabling %s:%s filter %s\n", tevent->system,  in trace_event_enable_filter()
485 			tevent->event ? : "*", tevent->filter);  in trace_event_enable_filter()
489 	tevent->filter_enabled = 1;  in trace_event_enable_filter()
497 				      struct trace_events *tevent)  in trace_event_enable_trigger()  argument
502 	if (!tevent->trigger)  in trace_event_enable_trigger()
505 	if (!tevent->event) {  in trace_event_enable_trigger()
507 			tevent->trigger, tevent->system);  in trace_event_enable_trigger()
511 	snprintf(trigger, 1024, "%s\n", tevent->trigger);  in trace_event_enable_trigger()
513 	debug_msg("Enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
514 		  tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()
516 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_enable_trigger()
517 					  tevent->event, "trigger", trigger);  in trace_event_enable_trigger()
519 		err_msg("Error enabling %s:%s trigger %s\n", tevent->system,  in trace_event_enable_trigger()
520 			tevent->event ? : "*", tevent->trigger);  in trace_event_enable_trigger()
524 	tevent->trigger_enabled = 1;  in trace_event_enable_trigger()
535 	struct trace_events *tevent = events;  in trace_events_enable()  local
538 	while (tevent) {  in trace_events_enable()
539 		debug_msg("Enabling event %s:%s\n", tevent->system, tevent->event ? : "*");  in trace_events_enable()
540 		retval = tracefs_event_enable(instance->inst, tevent->system, tevent->event);  in trace_events_enable()
542 			err_msg("Error enabling event %s:%s\n", tevent->system,  in trace_events_enable()
543 				tevent->event ? : "*");  in trace_events_enable()
547 		retval = trace_event_enable_filter(instance, tevent);  in trace_events_enable()
551 		retval = trace_event_enable_trigger(instance, tevent);  in trace_events_enable()
555 		tevent->enabled = 1;  in trace_events_enable()
556 		tevent = tevent->next;  in trace_events_enable()