---

yaml
---
r: 234450
b: refs/heads/master
c: f0c55bc
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 4498062e72fd55b2a9a4ac1b44fab8cb44ad5367
+refs/heads/master: f0c55bcf4aa41b4b1dbee826513b1acb01bf65e1

trunk/tools/perf/util/evsel.c

@@ -86,6 +86,7 @@ void perf_evsel__delete(struct perf_evsel *evsel)
 {
 	perf_evsel__exit(evsel);
 	close_cgroup(evsel->cgrp);
+	free(evsel->name);
 	free(evsel);
 }
 

trunk/tools/perf/util/evsel.h

@@ -37,6 +37,12 @@ struct perf_sample_id {
 	struct perf_evsel	*evsel;
 };
 
+/** struct perf_evsel - event selector
+ *
+ * @name - Can be set to retain the original event name passed by the user,
+ *         so that when showing results in tools such as 'perf stat', we
+ *         show the name used, not some alias.
+ */
 struct perf_evsel {
 	struct list_head	node;
 	struct perf_event_attr	attr;
@@ -45,6 +51,7 @@ struct perf_evsel {
 	struct xyarray		*id;
 	struct perf_counts	*counts;
 	int			idx;
+	char			*name;
 	void			*priv;
 	struct cgroup_sel	*cgrp;
 };

trunk/tools/perf/util/parse-events.c

@@ -268,6 +268,9 @@ const char *event_name(struct perf_evsel *evsel)
 	u64 config = evsel->attr.config;
 	int type = evsel->attr.type;
 
+	if (evsel->name)
+		return evsel->name;
+
 	return __event_name(type, config);
 }
 
@@ -782,8 +785,10 @@ int parse_events(const struct option *opt, const char *str, int unset __used)
 	struct perf_evlist *evlist = *(struct perf_evlist **)opt->value;
 	struct perf_event_attr attr;
 	enum event_result ret;
+	const char *ostr;
 
 	for (;;) {
+		ostr = str;
 		memset(&attr, 0, sizeof(attr));
 		ret = parse_event_symbols(opt, &str, &attr);
 		if (ret == EVT_FAILED)
@@ -798,6 +803,11 @@ int parse_events(const struct option *opt, const char *str, int unset __used)
 			if (evsel == NULL)
 				return -1;
 			perf_evlist__add(evlist, evsel);
+
+			evsel->name = calloc(str - ostr + 1, 1);
+			if (!evsel->name)
+				return -1;
+			strncpy(evsel->name, ostr, str - ostr);
 		}
 
 		if (*str == 0)