3 files changed, 23 insertions, 15 deletions

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index eaad04e1672a..41a66a48cbdf 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -346,7 +346,7 @@ struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affin
 {
 	struct evlist_cpu_iterator itr = {
 		.container = evlist,
-		.evsel = evlist__first(evlist),
+		.evsel = NULL,
 		.cpu_map_idx = 0,
 		.evlist_cpu_map_idx = 0,
 		.evlist_cpu_map_nr = perf_cpu_map__nr(evlist->core.all_cpus),
@@ -354,16 +354,22 @@ struct evlist_cpu_iterator evlist__cpu_begin(struct evlist *evlist, struct affin
 		.affinity = affinity,
 	};
 
-	if (itr.affinity) {
-		itr.cpu = perf_cpu_map__cpu(evlist->core.all_cpus, 0);
-		affinity__set(itr.affinity, itr.cpu.cpu);
-		itr.cpu_map_idx = perf_cpu_map__idx(itr.evsel->core.cpus, itr.cpu);
-		/*
-		 * If this CPU isn't in the evsel's cpu map then advance through
-		 * the list.
-		 */
-		if (itr.cpu_map_idx == -1)
-			evlist_cpu_iterator__next(&itr);
+	if (evlist__empty(evlist)) {
+		/* Ensure the empty list doesn't iterate. */
+		itr.evlist_cpu_map_idx = itr.evlist_cpu_map_nr;
+	} else {
+		itr.evsel = evlist__first(evlist);
+		if (itr.affinity) {
+			itr.cpu = perf_cpu_map__cpu(evlist->core.all_cpus, 0);
+			affinity__set(itr.affinity, itr.cpu.cpu);
+			itr.cpu_map_idx = perf_cpu_map__idx(itr.evsel->core.cpus, itr.cpu);
+			/*
+			 * If this CPU isn't in the evsel's cpu map then advance
+			 * through the list.
+			 */
+			if (itr.cpu_map_idx == -1)
+				evlist_cpu_iterator__next(&itr);
+		}
 	}
 	return itr;
 }
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 9739b05b999e..24997925ae00 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -1648,6 +1648,7 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
 {
 	struct parse_events_term *term;
 	struct list_head *list = NULL;
+	struct list_head *orig_head = NULL;
 	struct perf_pmu *pmu = NULL;
 	int ok = 0;
 	char *config;
@@ -1674,7 +1675,6 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
 	}
 	list_add_tail(&term->list, head);
 
-
 	/* Add it for all PMUs that support the alias */
 	list = malloc(sizeof(struct list_head));
 	if (!list)
@@ -1687,13 +1687,15 @@ int parse_events_multi_pmu_add(struct parse_events_state *parse_state,
 
 		list_for_each_entry(alias, &pmu->aliases, list) {
 			if (!strcasecmp(alias->name, str)) {
+				parse_events_copy_term_list(head, &orig_head);
 				if (!parse_events_add_pmu(parse_state, list,
-							  pmu->name, head,
+							  pmu->name, orig_head,
 							  true, true)) {
 					pr_debug("%s -> %s/%s/\n", str,
 						 pmu->name, alias->str);
 					ok++;
 				}
+				parse_events_terms__delete(orig_head);
 			}
 		}
 	}
@@ -2193,7 +2195,7 @@ int perf_pmu__test_parse_init(void)
 	for (i = 0; i < ARRAY_SIZE(symbols); i++, tmp++) {
 		tmp->type = symbols[i].type;
 		tmp->symbol = strdup(symbols[i].symbol);
-		if (!list->symbol)
+		if (!tmp->symbol)
 			goto err_free;
 	}
 
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index b2ed3140a1fa..dfde9eada224 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -231,7 +231,7 @@ void symbols__fixup_end(struct rb_root_cached *symbols)
 		prev = curr;
 		curr = rb_entry(nd, struct symbol, rb_node);
 
-		if (prev->end == prev->start && prev->end != curr->start)
+		if (prev->end == prev->start || prev->end != curr->start)
 			arch__symbols__fixup_end(prev, curr);
 	}