summaryrefslogtreecommitdiff
path: root/tools/perf/tests
diff options
context:
space:
mode:
authorIan Rogers <irogers@google.com>2024-05-03 01:31:15 +0300
committerNamhyung Kim <namhyung@kernel.org>2024-09-24 20:46:24 +0300
commitc940a66b3ac930227df0ab6e01f84bea1afa6c3f (patch)
tree7312a8c4cad39b3130faf17a6de72bafdf463dc0 /tools/perf/tests
parent1de5b5dcb8353f36581c963df2d359a5f151a0be (diff)
downloadlinux-c940a66b3ac930227df0ab6e01f84bea1afa6c3f.tar.xz
perf test: Be more tolerant of metricgroup failures
Previously "set -e" meant any non-zero exit code from perf stat would cause a test failure. As a non-zero exit happens when there aren't sufficient permissions, check for this case and make the exit code 2/skip for it. Signed-off-by: Ian Rogers <irogers@google.com> Acked-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Veronika Molnarova <vmolnaro@redhat.com> Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com> Link: https://lore.kernel.org/r/20240502223115.2357499-1-irogers@google.com Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'tools/perf/tests')
-rwxr-xr-xtools/perf/tests/shell/stat_all_metricgroups.sh36
1 files changed, 30 insertions, 6 deletions
diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh
index 55ef9c9ded2d..c6d61a4ac3e7 100755
--- a/tools/perf/tests/shell/stat_all_metricgroups.sh
+++ b/tools/perf/tests/shell/stat_all_metricgroups.sh
@@ -1,9 +1,7 @@
-#!/bin/sh
+#!/bin/bash
# perf all metricgroups test
# SPDX-License-Identifier: GPL-2.0
-set -e
-
ParanoidAndNotRoot()
{
[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
@@ -14,11 +12,37 @@ if ParanoidAndNotRoot 0
then
system_wide_flag=""
fi
-
+err=0
for m in $(perf list --raw-dump metricgroups)
do
echo "Testing $m"
- perf stat -M "$m" $system_wide_flag sleep 0.01
+ result=$(perf stat -M "$m" $system_wide_flag sleep 0.01 2>&1)
+ result_err=$?
+ if [[ $result_err -gt 0 ]]
+ then
+ if [[ "$result" =~ \
+ "Access to performance monitoring and observability operations is limited" ]]
+ then
+ echo "Permission failure"
+ echo $result
+ if [[ $err -eq 0 ]]
+ then
+ err=2 # Skip
+ fi
+ elif [[ "$result" =~ "in per-thread mode, enable system wide" ]]
+ then
+ echo "Permissions - need system wide mode"
+ echo $result
+ if [[ $err -eq 0 ]]
+ then
+ err=2 # Skip
+ fi
+ else
+ echo "Metric group $m failed"
+ echo $result
+ err=1 # Fail
+ fi
+ fi
done
-exit 0
+exit $err