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-rw-r--r--tools/perf/util/pmu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c
index 74d0948ec36..67715a42cd6 100644
--- a/tools/perf/util/pmu.c
+++ b/tools/perf/util/pmu.c
@@ -72,7 +72,7 @@ static int pmu_format(char *name, struct list_head *format)
"%s/bus/event_source/devices/%s/format", sysfs, name);
if (stat(path, &st) < 0)
- return -1;
+ return 0; /* no error if format does not exist */
if (pmu_format_parse(path, format))
return -1;
@@ -252,6 +252,7 @@ static struct perf_pmu *pmu_lookup(char *name)
list_splice(&aliases, &pmu->aliases);
pmu->name = strdup(name);
pmu->type = type;
+ list_add_tail(&pmu->list, &pmus);
return pmu;
}