264 	perf_pmu_assign_str(old->name, "topic", &old->topic, &newalias->topic);  in perf_pmu_update_alias()
282 	zfree(&newalias->topic);  in perf_pmu_free_alias()
310 				 char *long_desc, char *topic,  in __perf_pmu__new_alias()  argument
377 	alias->topic = topic ? strdup(topic) : NULL;  in __perf_pmu__new_alias()
780 				(char *)pe->long_desc, (char *)pe->topic,  in pmu_add_cpu_aliases_map()
1411 	char *topic;  member
1427 	if (as->topic && bs->topic) {  in cmp_sevent()
1428 		int n = strcmp(as->topic, bs->topic);  in cmp_sevent()
1478 	char *topic = NULL;  in print_pmu_events()  local
1506 			      (alias->topic &&  in print_pmu_events()
1507 			       strglobmatch_nocase(alias->topic, event_glob))))  in print_pmu_events()
1524 			aliases[j].topic = alias->topic;  in print_pmu_events()
1554 			if (aliases[j].topic && (!topic ||  in print_pmu_events()
1555 					strcmp(topic, aliases[j].topic))) {  in print_pmu_events()
1556 				printf("%s%s:\n", topic ? "\n" : "",  in print_pmu_events()
1557 						aliases[j].topic);  in print_pmu_events()
1558 				topic = aliases[j].topic;  in print_pmu_events()