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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
err=0
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" =~ ${m:0:50} ]]
then
# No error result and metric shown.
continue
fi
if [[ "$result" =~ "Cannot resolve IDs for" ]]
then
echo "Metric contains missing events"
echo $result
err=1 # Fail
continue
elif [[ "$result" =~ \
"Access to performance monitoring and observability operations is limited" ]]
then
echo "Permission failure"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
elif [[ "$result" =~ "in per-thread mode, enable system wide" ]]
then
echo "Permissions - need system wide mode"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
elif [[ "$result" =~ "<not supported>" ]]
then
echo "Not supported events"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
elif [[ "$result" =~ "<not counted>" ]]
then
echo "Not counted events"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
elif [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]]
then
echo "FP issues"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
elif [[ "$result" =~ "PMM" ]]
then
echo "Optane memory issues"
echo $result
if [[ $err -eq 0 ]]
then
err=2 # Skip
fi
continue
fi
# Failed, possibly the workload was too small so retry with something longer.
result=$(perf stat -M "$m" $system_wide_flag -- perf bench internals synthesize 2>&1)
result_err=$?
if [[ $result_err -eq 0 && "$result" =~ ${m:0:50} ]]
then
# No error result and metric shown.
continue
fi
echo "Metric '$m' has non-zero error '$result_err' or not printed in:"
echo "$result"
err=1
done
exit "$err"
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