#!/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 ]
}

system_wide_flag="-a"
if ParanoidAndNotRoot 0
then
  system_wide_flag=""
fi

err=0
for m in $(perf list --raw-dump metrics); 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 [[ $err -eq 0 ]]
      then
        err=2 # Skip
      fi
      continue
    elif [[ "$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" =~ "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
  fi

  if [[ "$result" =~ ${m:0:50} ]]
  then
    continue
  fi

  # Failed, possibly the workload was too small so retry with something longer.
  result=$(perf stat -M "$m" $system_wide_flag -- perf bench internals synthesize 2>&1)
  if [[ "$result" =~ ${m:0:50} ]]
  then
    continue
  fi
  echo "Metric '$m' not printed in:"
  echo "$result"
  err=1
done

exit "$err"