diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/tests/shell/lib/perf_csv_output_lint.py | 48 | ||||
| -rwxr-xr-x | tools/perf/tests/shell/stat+csv_output.sh | 147 |
2 files changed, 195 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lib/perf_csv_output_lint.py b/tools/perf/tests/shell/lib/perf_csv_output_lint.py new file mode 100644 index 000000000000..714f283cfb1b --- /dev/null +++ b/tools/perf/tests/shell/lib/perf_csv_output_lint.py @@ -0,0 +1,48 @@ +#!/usr/bin/python +# SPDX-License-Identifier: GPL-2.0 + +import argparse +import sys + +# Basic sanity check of perf CSV output as specified in the man page. +# Currently just checks the number of fields per line in output. + +ap = argparse.ArgumentParser() +ap.add_argument('--no-args', action='store_true') +ap.add_argument('--interval', action='store_true') +ap.add_argument('--system-wide-no-aggr', action='store_true') +ap.add_argument('--system-wide', action='store_true') +ap.add_argument('--event', action='store_true') +ap.add_argument('--per-core', action='store_true') +ap.add_argument('--per-thread', action='store_true') +ap.add_argument('--per-die', action='store_true') +ap.add_argument('--per-node', action='store_true') +ap.add_argument('--per-socket', action='store_true') +ap.add_argument('--separator', default=',', nargs='?') +args = ap.parse_args() + +Lines = sys.stdin.readlines() + +def check_csv_output(exp): + for line in Lines: + if 'failed' not in line: + count = line.count(args.separator) + if count != exp: + sys.stdout.write(''.join(Lines)) + raise RuntimeError(f'wrong number of fields. expected {exp} in {line}') + +try: + if args.no_args or args.system_wide or args.event: + expected_items = 6 + elif args.interval or args.per_thread or args.system_wide_no_aggr: + expected_items = 7 + elif args.per_core or args.per_socket or args.per_node or args.per_die: + expected_items = 8 + else: + ap.print_help() + raise RuntimeError('No checking option specified') + check_csv_output(expected_items) + +except: + sys.stdout.write('Test failed for input: ' + ''.join(Lines)) + raise diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh new file mode 100755 index 000000000000..983220ef3cb4 --- /dev/null +++ b/tools/perf/tests/shell/stat+csv_output.sh @@ -0,0 +1,147 @@ +#!/bin/bash +# perf stat CSV output linter +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +# Tests various perf stat CSV output commands for the +# correct number of fields and the CSV separator set to ','. + +set -e + +pythonchecker=$(dirname $0)/lib/perf_csv_output_lint.py +if [ "x$PYTHON" == "x" ] +then + if which python3 > /dev/null + then + PYTHON=python3 + elif which python > /dev/null + then + PYTHON=python + else + echo Skipping test, python not detected please set environment variable PYTHON. + exit 2 + fi +fi + +# Return true if perf_event_paranoid is > $1 and not running as root. +function ParanoidAndNotRoot() +{ + [ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ] +} + +check_no_args() +{ + echo -n "Checking CSV output: no args " + perf stat -x, true 2>&1 | $PYTHON $pythonchecker --no-args + echo "[Success]" +} + +check_system_wide() +{ + echo -n "Checking CSV output: system wide " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, -a true 2>&1 | $PYTHON $pythonchecker --system-wide + echo "[Success]" +} + +check_system_wide_no_aggr() +{ + echo -n "Checking CSV output: system wide " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + echo -n "Checking CSV output: system wide no aggregation " + perf stat -x, -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr + echo "[Success]" +} + +check_interval() +{ + echo -n "Checking CSV output: interval " + perf stat -x, -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval + echo "[Success]" +} + + +check_event() +{ + echo -n "Checking CSV output: event " + perf stat -x, -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event + echo "[Success]" +} + +check_per_core() +{ + echo -n "Checking CSV output: per core " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core + echo "[Success]" +} + +check_per_thread() +{ + echo -n "Checking CSV output: per thread " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread + echo "[Success]" +} + +check_per_die() +{ + echo -n "Checking CSV output: per die " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die + echo "[Success]" +} + +check_per_node() +{ + echo -n "Checking CSV output: per node " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node + echo "[Success]" +} + +check_per_socket() +{ + echo -n "Checking CSV output: per socket " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -x, --per-socket -a true 2>&1 | $PYTHON $pythonchecker --per-socket + echo "[Success]" +} + +check_no_args +check_system_wide +check_system_wide_no_aggr +check_interval +check_event +check_per_core +check_per_thread +check_per_die +check_per_node +check_per_socket +exit 0 |