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|
#!/bin/bash
# perf all metricgroups test
# SPDX-License-Identifier: GPL-2.0
ParanoidAndNotRoot()
{
[ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ]
}
system_wide_flag="-a"
if ParanoidAndNotRoot 0
then
system_wide_flag=""
fi
err=0
for m in $(perf list --raw-dump metricgroups)
do
echo "Testing $m"
result=$(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 [[ $err -eq 0 ]]
then
err=2 # Skip
fi
elif [[ "$m" == @(Default2|Default3|Default4) ]]
then
echo "Ignoring failures in $m that may contain unsupported legacy events"
else
echo "Metric group $m failed"
echo $result
err=1 # Fail
fi
fi
done
exit $err
|
