[PATCH v1] perf metrics: Remove the "No_group" metric group

From: Ian Rogers
Date: Wed Apr 03 2024 - 12:46:48 EST


Rather than place metrics without a metric group in "No_group" place
them in a a metric group that is their name. Still allow such metrics
to be selected if "No_group" is passed, this change just impacts perf
list.

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
tools/perf/util/metricgroup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/metricgroup.c b/tools/perf/util/metricgroup.c
index 79ef6095ab28..6ec083af14a1 100644
--- a/tools/perf/util/metricgroup.c
+++ b/tools/perf/util/metricgroup.c
@@ -455,7 +455,7 @@ static int metricgroup__add_to_mep_groups(const struct pmu_metric *pm,
const char *g;
char *omg, *mg;

- mg = strdup(pm->metric_group ?: "No_group");
+ mg = strdup(pm->metric_group ?: pm->metric_name);
if (!mg)
return -ENOMEM;
omg = mg;
@@ -466,7 +466,7 @@ static int metricgroup__add_to_mep_groups(const struct pmu_metric *pm,
if (strlen(g))
me = mep_lookup(groups, g, pm->metric_name);
else
- me = mep_lookup(groups, "No_group", pm->metric_name);
+ me = mep_lookup(groups, pm->metric_name, pm->metric_name);

if (me) {
me->metric_desc = pm->desc;
--
2.44.0.478.gd926399ef9-goog