linux-kernel - [PATCH v1] perf test: Stat std output don't fail metric only

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Message-ID: <20250914182140.1958530-1-irogers@google.com>
Date: Sun, 14 Sep 2025 11:21:40 -0700
From: Ian Rogers <irogers@...gle.com>
To: Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...hat.com>, 
	Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>, 
	Mark Rutland <mark.rutland@....com>, 
	Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>, 
	Ian Rogers <irogers@...gle.com>, Adrian Hunter <adrian.hunter@...el.com>, 
	Kan Liang <kan.liang@...ux.intel.com>, Veronika Molnarova <vmolnaro@...hat.com>, 
	linux-perf-users@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v1] perf test: Stat std output don't fail metric only

When running on a hypervisor the expected IPC metric may be missing as
the events may fail to be read. Don't expect metric output for this
test to avoid it failing.

Signed-off-by: Ian Rogers <irogers@...gle.com>
---
 tools/perf/tests/shell/stat+std_output.sh | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh
index 6fee67693ba7..ec41f24299d9 100755
--- a/tools/perf/tests/shell/stat+std_output.sh
+++ b/tools/perf/tests/shell/stat+std_output.sh
@@ -90,7 +90,11 @@ function commachecker()
 		}
 	done < "${stat_output}"
 
-	[ $metric_only -eq 1 ] && exit 1
+	if [ $metric_only -ne 1 ]
+	then
+		echo "Missing metric only output in:"
+		cat "${stat_output}"
+	fi
 	return 0
 }
 
-- 
2.51.0.384.g4c02a37b29-goog