204 	struct trace_events *tevent = events;  in trace_events_free()  local
207 	while (tevent) {  in trace_events_free()
208 		free_event = tevent;  in trace_events_free()
210 		tevent = tevent->next;  in trace_events_free()
226 	struct trace_events *tevent;  in trace_event_alloc()  local
228 	tevent = calloc(1, sizeof(*tevent));  in trace_event_alloc()
229 	if (!tevent)  in trace_event_alloc()
232 	tevent->system = strdup(event_string);  in trace_event_alloc()
233 	if (!tevent->system) {  in trace_event_alloc()
234 		free(tevent);  in trace_event_alloc()
238 	tevent->event = strstr(tevent->system, ":");  in trace_event_alloc()
239 	if (tevent->event) {  in trace_event_alloc()
240 		*tevent->event = '\0';  in trace_event_alloc()
241 		tevent->event = &tevent->event[1];  in trace_event_alloc()
244 	return tevent;  in trace_event_alloc()
281 				       struct trace_events *tevent)  in trace_event_disable_filter()  argument
286 	if (!tevent->filter)  in trace_event_disable_filter()
289 	if (!tevent->filter_enabled)  in trace_event_disable_filter()
292 	debug_msg("Disabling %s:%s filter %s\n", tevent->system,  in trace_event_disable_filter()
293 		  tevent->event ? : "*", tevent->filter);  in trace_event_disable_filter()
295 	snprintf(filter, 1024, "!%s\n", tevent->filter);  in trace_event_disable_filter()
297 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_disable_filter()
298 					  tevent->event, "filter", filter);  in trace_event_disable_filter()
300 		err_msg("Error disabling %s:%s filter %s\n", tevent->system,  in trace_event_disable_filter()
301 			tevent->event ? : "*", tevent->filter);  in trace_event_disable_filter()
310 				  struct trace_events *tevent)  in trace_event_save_hist()  argument
317 	if (!tevent)  in trace_event_save_hist()
321 	if (!tevent->trigger)  in trace_event_save_hist()
325 	retval = strncmp(tevent->trigger, "hist:", strlen("hist:"));  in trace_event_save_hist()
329 	snprintf(path, 1024, "%s_%s_hist.txt", tevent->system, tevent->event);  in trace_event_save_hist()
331 	printf("  Saving event %s:%s hist to %s\n", tevent->system, tevent->event, path);  in trace_event_save_hist()
339 	hist = tracefs_event_file_read(instance->inst, tevent->system, tevent->event, "hist", 0);  in trace_event_save_hist()
341 		err_msg("  Failed to read %s:%s hist file\n", tevent->system, tevent->event);  in trace_event_save_hist()
359 					struct trace_events *tevent)  in trace_event_disable_trigger()  argument
364 	if (!tevent->trigger)  in trace_event_disable_trigger()
367 	if (!tevent->trigger_enabled)  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()
373 	trace_event_save_hist(instance, tevent);  in trace_event_disable_trigger()
375 	snprintf(trigger, 1024, "!%s\n", tevent->trigger);  in trace_event_disable_trigger()
377 	retval = tracefs_event_file_write(instance->inst, tevent->system,  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()
390 	struct trace_events *tevent = events;  in trace_events_disable()  local
395 	while (tevent) {  in trace_events_disable()
396 		debug_msg("Disabling event %s:%s\n", tevent->system, tevent->event ? : "*");  in trace_events_disable()
397 		if (tevent->enabled) {  in trace_events_disable()
398 			trace_event_disable_filter(instance, tevent);  in trace_events_disable()
399 			trace_event_disable_trigger(instance, tevent);  in trace_events_disable()
400 			tracefs_event_disable(instance->inst, tevent->system, tevent->event);  in trace_events_disable()
403 		tevent->enabled = 0;  in trace_events_disable()
404 		tevent = tevent->next;  in trace_events_disable()
412 				     struct trace_events *tevent)  in trace_event_enable_filter()  argument
417 	if (!tevent->filter)  in trace_event_enable_filter()
420 	if (!tevent->event) {  in trace_event_enable_filter()
422 			tevent->filter, tevent->system);  in trace_event_enable_filter()
426 	snprintf(filter, 1024, "%s\n", tevent->filter);  in trace_event_enable_filter()
428 	debug_msg("Enabling %s:%s filter %s\n", tevent->system,  in trace_event_enable_filter()
429 		  tevent->event ? : "*", tevent->filter);  in trace_event_enable_filter()
431 	retval = tracefs_event_file_write(instance->inst, tevent->system,  in trace_event_enable_filter()
432 					  tevent->event, "filter", filter);  in trace_event_enable_filter()
434 		err_msg("Error enabling %s:%s filter %s\n", tevent->system,  in trace_event_enable_filter()
435 			tevent->event ? : "*", tevent->filter);  in trace_event_enable_filter()
439 	tevent->filter_enabled = 1;  in trace_event_enable_filter()
447 				      struct trace_events *tevent)  in trace_event_enable_trigger()  argument
452 	if (!tevent->trigger)  in trace_event_enable_trigger()
455 	if (!tevent->event) {  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()
466 	retval = tracefs_event_file_write(instance->inst, tevent->system,  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()
474 	tevent->trigger_enabled = 1;  in trace_event_enable_trigger()
485 	struct trace_events *tevent = events;  in trace_events_enable()  local
488 	while (tevent) {  in trace_events_enable()
489 		debug_msg("Enabling event %s:%s\n", tevent->system, tevent->event ? : "*");  in trace_events_enable()
490 		retval = tracefs_event_enable(instance->inst, tevent->system, tevent->event);  in trace_events_enable()
492 			err_msg("Error enabling event %s:%s\n", tevent->system,  in trace_events_enable()
493 				tevent->event ? : "*");  in trace_events_enable()
497 		retval = trace_event_enable_filter(instance, tevent);  in trace_events_enable()
501 		retval = trace_event_enable_trigger(instance, tevent);  in trace_events_enable()
505 		tevent->enabled = 1;  in trace_events_enable()
506 		tevent = tevent->next;  in trace_events_enable()