96 	/** @from_sysfs: Was the alias from sysfs or a json event? */
298 static int perf_pmu__parse_scale(struct perf_pmu *pmu, struct perf_pmu_alias *alias)  in perf_pmu__parse_scale()  argument
310 	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.scale", pmu->name, alias->name);  in perf_pmu__parse_scale()
328 	ret = perf_pmu__convert_scale(scale, NULL, &alias->scale);  in perf_pmu__parse_scale()
334 static int perf_pmu__parse_unit(struct perf_pmu *pmu, struct perf_pmu_alias *alias)  in perf_pmu__parse_unit()  argument
345 	scnprintf(path + len, sizeof(path) - len, "%s/events/%s.unit", pmu->name, alias->name);  in perf_pmu__parse_unit()
351 	sret = read(fd, alias->unit, UNIT_MAX_LEN);  in perf_pmu__parse_unit()
357 	if (alias->unit[sret - 1] == '\n')  in perf_pmu__parse_unit()
358 		alias->unit[sret - 1] = '\0';  in perf_pmu__parse_unit()
360 		alias->unit[sret] = '\0';  in perf_pmu__parse_unit()
365 	alias->unit[0] = '\0';  in perf_pmu__parse_unit()
400 static void perf_pmu__parse_per_pkg(struct perf_pmu *pmu, struct perf_pmu_alias *alias)  in perf_pmu__parse_per_pkg()  argument
402 	alias->per_pkg = perf_pmu__parse_event_source_bool(pmu->name, alias->name, "per-pkg");  in perf_pmu__parse_per_pkg()
405 static void perf_pmu__parse_snapshot(struct perf_pmu *pmu, struct perf_pmu_alias *alias)  in perf_pmu__parse_snapshot()  argument
407 	alias->snapshot = perf_pmu__parse_event_source_bool(pmu->name, alias->name, "snapshot");  in perf_pmu__parse_snapshot()
410 /* Delete an alias entry. */
424 	struct perf_pmu_alias *alias, *tmp;  in perf_pmu__del_aliases()  local
426 	list_for_each_entry_safe(alias, tmp, &pmu->aliases, list) {  in perf_pmu__del_aliases()
427 		list_del(&alias->list);  in perf_pmu__del_aliases()
428 		perf_pmu_free_alias(alias);  in perf_pmu__del_aliases()
436 	struct perf_pmu_alias *alias;  in perf_pmu__find_alias()  local
443 		 * Test if alias/event 'name' exists in the PMU's sysfs/events  in perf_pmu__find_alias()
462 	list_for_each_entry(alias, &pmu->aliases, list) {  in perf_pmu__find_alias()
463 		if (!strcasecmp(alias->name, name))  in perf_pmu__find_alias()
464 			return alias;  in perf_pmu__find_alias()
480 	pr_debug("alias %s differs in field '%s' ('%s' != '%s')\n",  in assign_str()
487 static void read_alias_info(struct perf_pmu *pmu, struct perf_pmu_alias *alias)  in read_alias_info()  argument
489 	if (!alias->from_sysfs || alias->info_loaded)  in read_alias_info()
495 	perf_pmu__parse_unit(pmu, alias);  in read_alias_info()
496 	perf_pmu__parse_scale(pmu, alias);  in read_alias_info()
497 	perf_pmu__parse_per_pkg(pmu, alias);  in read_alias_info()
498 	perf_pmu__parse_snapshot(pmu, alias);  in read_alias_info()
503 	struct perf_pmu_alias *alias;  member
513 	read_alias_info(data->pmu, data->alias);  in update_alias()
514 	assign_str(pe->name, "desc", &data->alias->desc, pe->desc);  in update_alias()
515 	assign_str(pe->name, "long_desc", &data->alias->long_desc, pe->long_desc);  in update_alias()
516 	assign_str(pe->name, "topic", &data->alias->topic, pe->topic);  in update_alias()
517 	data->alias->per_pkg = pe->perpkg;  in update_alias()
519 		parse_events_terms__exit(&data->alias->terms);  in update_alias()
520 		ret = parse_events_terms(&data->alias->terms, pe->event, /*input=*/NULL);  in update_alias()
525 		ret = perf_pmu__convert_scale(pe->unit, &unit, &data->alias->scale);  in update_alias()
527 			snprintf(data->alias->unit, sizeof(data->alias->unit), "%s", unit);  in update_alias()
536 	struct perf_pmu_alias *alias;  in perf_pmu__new_alias()  local
542 		/* Alias was already created/loaded. */  in perf_pmu__new_alias()
556 	alias = zalloc(sizeof(*alias));  in perf_pmu__new_alias()
557 	if (!alias)  in perf_pmu__new_alias()
560 	parse_events_terms__init(&alias->terms);  in perf_pmu__new_alias()
561 	alias->scale = 1.0;  in perf_pmu__new_alias()
562 	alias->unit[0] = '\0';  in perf_pmu__new_alias()
563 	alias->per_pkg = perpkg;  in perf_pmu__new_alias()
564 	alias->snapshot = false;  in perf_pmu__new_alias()
565 	alias->deprecated = deprecated;  in perf_pmu__new_alias()
567 	ret = parse_events_terms(&alias->terms, val, val_fd);  in perf_pmu__new_alias()
569 		pr_err("Cannot parse alias %s: %d\n", val, ret);  in perf_pmu__new_alias()
570 		free(alias);  in perf_pmu__new_alias()
574 	alias->name = strdup(name);  in perf_pmu__new_alias()
575 	alias->desc = desc ? strdup(desc) : NULL;  in perf_pmu__new_alias()
576 	alias->long_desc = long_desc ? strdup(long_desc) :  in perf_pmu__new_alias()
578 	alias->topic = topic ? strdup(topic) : NULL;  in perf_pmu__new_alias()
579 	alias->pmu_name = pmu_name ? strdup(pmu_name) : NULL;  in perf_pmu__new_alias()
581 		if (perf_pmu__convert_scale(unit, (char **)&unit, &alias->scale) < 0) {  in perf_pmu__new_alias()
582 			perf_pmu_free_alias(alias);  in perf_pmu__new_alias()
585 		snprintf(alias->unit, sizeof(alias->unit), "%s", unit);  in perf_pmu__new_alias()
590 		alias->from_sysfs = true;  in perf_pmu__new_alias()
595 				.alias = alias,  in perf_pmu__new_alias()
611 	list_add_tail(&alias->list, &pmu->aliases);  in perf_pmu__new_alias()
722 static int pmu_alias_terms(struct perf_pmu_alias *alias, int err_loc, struct list_head *terms)  in pmu_alias_terms()  argument
728 	list_for_each_entry(term, &alias->terms.terms, list) {  in pmu_alias_terms()
924  * @pmu_name: The pmu->name or pmu->alias to match against.
1066 	FILE *file = perf_pmu__open_file_at(pmu, dirfd, "alias");  in pmu_find_alias_name()
1405 	 * traditionally have had to handle not having a PMU. An alias may  in pmu_config_term()
1584 	struct perf_pmu_alias *alias;  in pmu_find_alias()  local
1605 	alias = perf_pmu__find_alias(pmu, name, /*load=*/ true);  in pmu_find_alias()
1606 	if (alias || pmu->cpu_aliases_added)  in pmu_find_alias()
1607 		return alias;  in pmu_find_alias()
1609 	/* Alias doesn't exist, try to get it from the json events. */  in pmu_find_alias()
1614 		alias = perf_pmu__find_alias(pmu, name, /*load=*/ false);  in pmu_find_alias()
1616 	return alias;  in pmu_find_alias()
1621 			   struct perf_pmu_alias *alias,  in check_info_data()  argument
1626 	read_alias_info(pmu, alias);  in check_info_data()
1632 	if (info->unit && alias->unit[0]) {  in check_info_data()
1638 	if (info->scale && alias->scale) {  in check_info_data()
1644 	if (info->snapshot && alias->snapshot) {  in check_info_data()
1651 	if (alias->unit[0])  in check_info_data()
1652 		info->unit = alias->unit;  in check_info_data()
1654 	if (alias->scale)  in check_info_data()
1655 		info->scale = alias->scale;  in check_info_data()
1657 	if (alias->snapshot)  in check_info_data()
1658 		info->snapshot = alias->snapshot;  in check_info_data()
1664  * Find alias in the terms list and replace it with the terms
1665  * defined for the alias
1672 	struct perf_pmu_alias *alias;  in perf_pmu__check_alias()  local
1696 		alias = pmu_find_alias(pmu, term);  in perf_pmu__check_alias()
1697 		if (!alias)  in perf_pmu__check_alias()
1699 		ret = pmu_alias_terms(alias, term->err_term, &term->list);  in perf_pmu__check_alias()
1708 		ret = check_info_data(pmu, alias, info, err, term->err_term);  in perf_pmu__check_alias()
1712 		if (alias->per_pkg)  in perf_pmu__check_alias()
1906 			  const struct perf_pmu_alias *alias, bool skip_duplicate_pmus)  in format_alias()  argument
1911 	int used = snprintf(buf, len, "%.*s/%s", (int)pmu_name_len, pmu->name, alias->name);  in format_alias()
1913 	list_for_each_entry(term, &alias->terms.terms, list) {  in format_alias()
1960 		info.alias = NULL;  in perf_pmu__for_each_event()
1968 				info.alias = info.name;  in perf_pmu__for_each_event()
1996 		info.alias = NULL;  in perf_pmu__for_each_event()
2070  * @pmu: The pmu whose name/alias to match.
2081  * @pmu: The pmu whose name/alias to match.