projects/linux·blob master · refs

38 lines · 1.2 KiB

1#!/bin/bash
2# perf metrics value validation
3# SPDX-License-Identifier: GPL-2.0
4
5shelldir=$(dirname "$0")
6# shellcheck source=lib/setup_python.sh
7. "${shelldir}"/lib/setup_python.sh
8
9grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; }
10
11# Skip if no permission to record system-wide events
12if ! perf stat -a -e instructions sleep 0.01 >/dev/null 2>&1; then
13 echo "Skipping: no permission to record system-wide events (-a)"
14 exit 2
15fi
16
17
18pythonvalidator=$(dirname $0)/lib/perf_metric_validation.py
19rulefile=$(dirname $0)/lib/perf_metric_validation_rules.json
20tmpdir=$(mktemp -d /tmp/__perf_test.program.XXXXX)
21workload="perf bench futex hash -r 1 -s"
22
23# Add -debug, save data file and full rule file
24echo "Launch python validation script $pythonvalidator"
25echo "Output will be stored in: $tmpdir"
26for cputype in /sys/bus/event_source/devices/cpu_*; do
27 cputype=$(basename "$cputype")
28 echo "Testing metrics for: $cputype"
29 $PYTHON $pythonvalidator -rule $rulefile -output_dir $tmpdir -wl "${workload}" \
30 -cputype "${cputype}"
31 ret=$?
32 rm -rf $tmpdir
33 if [ $ret -ne 0 ]; then
34 echo "Metric validation return with errors. Please check metrics reported with errors."
35 fi
36done
37exit $ret
38