927 	char **tracers;  in show_available()  local
931 	tracers = tracefs_tracers(NULL);  in show_available()
932 	for (i = 0; tracers && tracers[i]; i++) {  in show_available()
933 		if (is_relevant_tracer(tracers[i]))  in show_available()
937 	if (!tracers) {  in show_available()
944 		tracefs_list_free(tracers);  in show_available()
949 	for (i = 0; tracers[i]; i++) {  in show_available()
950 		if (is_relevant_tracer(tracers[i]))  in show_available()
951 			printf("%s\n", tracers[i]);  in show_available()
953 	tracefs_list_free(tracers);  in show_available()
958 	char **tracers;  in tracer_valid()  local
963 	tracers = tracefs_tracers(NULL);  in tracer_valid()
964 	if (!tracers) {  in tracer_valid()
968 	for (i = 0; tracers[i]; i++)  in tracer_valid()
969 		if (!strcmp(tracers[i], name)) {  in tracer_valid()
973 	tracefs_list_free(tracers);  in tracer_valid()