diff options
| -rw-r--r-- | tools/perf/util/metricgroup.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c index 8f8f527eb75f..9e21aa767e41 100644 --- a/tools/perf/util/metricgroup.c +++ b/tools/perf/util/metricgroup.c @@ -504,9 +504,14 @@ static void metricgroup__add_metric_non_group(struct strbuf *events, { struct hashmap_entry *cur; size_t bkt; + bool first = true; - hashmap__for_each_entry((&ctx->ids), cur, bkt) - strbuf_addf(events, ",%s", (const char *)cur->key); + hashmap__for_each_entry((&ctx->ids), cur, bkt) { + if (!first) + strbuf_addf(events, ","); + strbuf_addf(events, "%s", (const char *)cur->key); + first = false; + } } static void metricgroup___watchdog_constraint_hint(const char *name, bool foot) |