#!/bin/bash
# perf metrics value validation
# SPDX-License-Identifier: GPL-2.0

shelldir=$(dirname "$0")
# shellcheck source=lib/setup_python.sh
. "${shelldir}"/lib/setup_python.sh

grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; }

# Skip if no permission to record system-wide events
if ! perf stat -a -e instructions sleep 0.01 >/dev/null 2>&1; then
  echo "Skipping: no permission to record system-wide events (-a)"
  exit 2
fi


pythonvalidator=$(dirname $0)/lib/perf_metric_validation.py
rulefile=$(dirname $0)/lib/perf_metric_validation_rules.json
tmpdir=$(mktemp -d /tmp/__perf_test.program.XXXXX)
workload="perf bench futex hash -r 1 -s"

# Add -debug, save data file and full rule file
echo "Launch python validation script $pythonvalidator"
echo "Output will be stored in: $tmpdir"
for cputype in /sys/bus/event_source/devices/cpu_*; do
	cputype=$(basename "$cputype")
	echo "Testing metrics for: $cputype"
	$PYTHON $pythonvalidator -rule $rulefile -output_dir $tmpdir -wl "${workload}" \
		-cputype "${cputype}"
	ret=$?
	rm -rf $tmpdir
	if [ $ret -ne 0 ]; then
		echo "Metric validation return with errors. Please check metrics reported with errors."
	fi
done
exit $ret