diff options
Diffstat (limited to 'tools/perf/tests/shell/lib/perf_json_output_lint.py')
-rw-r--r-- | tools/perf/tests/shell/lib/perf_json_output_lint.py | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/lib/perf_json_output_lint.py b/tools/perf/tests/shell/lib/perf_json_output_lint.py new file mode 100644 index 0000000000..ea55d5ea1c --- /dev/null +++ b/tools/perf/tests/shell/lib/perf_json_output_lint.py @@ -0,0 +1,99 @@ +#!/usr/bin/python +# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +# Basic sanity check of perf JSON output as specified in the man page. + +import argparse +import sys +import json + +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-cache', 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('--file', type=argparse.FileType('r'), default=sys.stdin) +args = ap.parse_args() + +Lines = args.file.readlines() + +def isfloat(num): + try: + float(num) + return True + except ValueError: + return False + + +def isint(num): + try: + int(num) + return True + except ValueError: + return False + +def is_counter_value(num): + return isfloat(num) or num == '<not counted>' or num == '<not supported>' + +def check_json_output(expected_items): + checks = { + 'aggregate-number': lambda x: isfloat(x), + 'core': lambda x: True, + 'counter-value': lambda x: is_counter_value(x), + 'cgroup': lambda x: True, + 'cpu': lambda x: isint(x), + 'cache': lambda x: True, + 'die': lambda x: True, + 'event': lambda x: True, + 'event-runtime': lambda x: isfloat(x), + 'interval': lambda x: isfloat(x), + 'metric-unit': lambda x: True, + 'metric-value': lambda x: isfloat(x), + 'metricgroup': lambda x: True, + 'node': lambda x: True, + 'pcnt-running': lambda x: isfloat(x), + 'socket': lambda x: True, + 'thread': lambda x: True, + 'unit': lambda x: True, + } + input = '[\n' + ','.join(Lines) + '\n]' + for item in json.loads(input): + if expected_items != -1: + count = len(item) + if count != expected_items and count >= 1 and count <= 6 and 'metric-value' in item: + # Events that generate >1 metric may have isolated metric + # values and possibly other prefixes like interval, core, + # aggregate-number, or event-runtime/pcnt-running from multiplexing. + pass + elif count != expected_items and count >= 1 and count <= 5 and 'metricgroup' in item: + pass + elif count != expected_items: + raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}' + f' in \'{item}\'') + for key, value in item.items(): + if key not in checks: + raise RuntimeError(f'Unexpected key: key={key} value={value}') + if not checks[key](value): + raise RuntimeError(f'Check failed for: key={key} value={value}') + + +try: + if args.no_args or args.system_wide or args.event: + expected_items = 7 + elif args.interval or args.per_thread or args.system_wide_no_aggr: + expected_items = 8 + elif args.per_core or args.per_socket or args.per_node or args.per_die or args.per_cache: + expected_items = 9 + else: + # If no option is specified, don't check the number of items. + expected_items = -1 + check_json_output(expected_items) +except: + print('Test failed for input:\n' + '\n'.join(Lines)) + raise |