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#!/bin/bash
# perf all metrics test
# SPDX-License-Identifier: GPL-2.0
ParanoidAndNotRoot()
{
[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
}
test_prog="sleep 0.01"
system_wide_flag="-a"
if ParanoidAndNotRoot 0
then
system_wide_flag=""
test_prog="perf test -w noploop"
fi
skip=0
err=3
for m in $(perf list --raw-dump metrics); do
echo "Testing $m"
result=$(perf stat -M "$m" $system_wide_flag -- $test_prog 2>&1)
result_err=$?
if [[ $result_err -eq 0 && "$result" =~ ${m:0:50} ]]
then
# No error result and metric shown.
if [[ "$err" -ne 1 ]]
then
err=0
fi
continue
fi
if [[ "$result" =~ "Cannot resolve IDs for" || "$result" =~ "No supported events found" ]]
then
if [[ $(perf list --raw-dump $m) == "Default"* ]]
then
echo "[Ignored $m] failed but as a Default metric this can be expected"
echo $result
continue
fi
echo "[Failed $m] Metric contains missing events"
echo $result
err=1 # Fail
continue
elif [[ "$result" =~ \
"Access to performance monitoring and observability operations is limited" ]]
then
echo "[Skipped $m] Permission failure"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
elif [[ "$result" =~ "in per-thread mode, enable system wide" ]]
then
echo "[Skipped $m] Permissions - need system wide mode"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
elif [[ "$result" =~ "<not supported>" ]]
then
if [[ $(perf list --raw-dump $m) == "Default"* ]]
then
echo "[Ignored $m] failed but as a Default metric this can be expected"
echo $result
continue
fi
echo "[Skipped $m] Not supported events"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
elif [[ "$result" =~ "<not counted>" ]]
then
echo "[Skipped $m] Not counted events"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
elif [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]]
then
echo "[Skipped $m] FP issues"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
elif [[ "$result" =~ "PMM" ]]
then
echo "[Skipped $m] Optane memory issues"
echo $result
if [[ $err -eq 0 ]]
then
skip=1
fi
continue
fi
# Failed, possibly the workload was too small so retry with something longer.
result=$(perf stat -M "$m" $system_wide_flag -- perf bench internals synthesize 2>&1)
result_err=$?
if [[ $result_err -eq 0 && "$result" =~ ${m:0:50} ]]
then
# No error result and metric shown.
if [[ "$err" -ne 1 ]]
then
err=0
fi
continue
fi
echo "[Failed $m] has non-zero error '$result_err' or not printed in:"
echo "$result"
err=1
done
# return SKIP only if no success returned
if [[ "$err" -eq 3 && "$skip" -eq 1 ]]
then
err=2
fi
exit "$err"
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