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perf stat: Display metric-only for 0 counters

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0 counters may occur in hypervisor settings but metric-only output is
always expected. This resolves an issue in the "perf stat STD output
linter" test.

Signed-off-by: Ian Rogers <irogers@google.com>
Tested-by: Thomas Falcon <thomas.falcon@intel.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
This commit is contained in:
Ian Rogers 2025-11-12 11:53:11 -08:00 committed by Namhyung Kim
parent efee18981a
commit 289815011c
1 changed files with 3 additions and 0 deletions
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3
tools/perf/util/stat-display.c
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@ -913,6 +913,9 @@ static bool should_skip_zero_counter(struct perf_stat_config *config,
if (verbose == 0 && counter->skippable && !counter->supported)
return true;
/* Metric only counts won't be displayed but the metric wants to be computed. */
if (config->metric_only)
return false;
/*
* Skip value 0 when enabling --per-thread globally,
* otherwise it will have too many 0 output.