268 	perf_pmu_assign_str(old->name, "topic", &old->topic, &newalias->topic);  in perf_pmu_update_alias()
286 	zfree(&newalias->topic);  in perf_pmu_free_alias()
325 	char *long_desc = NULL, *topic = NULL, *unit = NULL, *perpkg = NULL,  in __perf_pmu__new_alias()  local
331 		topic = (char *)pe->topic;  in __perf_pmu__new_alias()
395 	alias->topic = topic ? strdup(topic) : NULL;  in __perf_pmu__new_alias()
1599 	char *topic;  member
1615 	if (as->topic && bs->topic) {  in cmp_sevent()
1616 		int n = strcmp(as->topic, bs->topic);  in cmp_sevent()
1666 	char *topic = NULL;  in print_pmu_events()  local
1694 			      (alias->topic &&  in print_pmu_events()
1695 			       strglobmatch_nocase(alias->topic, event_glob))))  in print_pmu_events()
1712 			aliases[j].topic = alias->topic;  in print_pmu_events()
1742 			if (aliases[j].topic && (!topic ||  in print_pmu_events()
1743 					strcmp(topic, aliases[j].topic))) {  in print_pmu_events()
1744 				printf("%s%s:\n", topic ? "\n" : "",  in print_pmu_events()
1745 						aliases[j].topic);  in print_pmu_events()
1746 				topic = aliases[j].topic;  in print_pmu_events()