100 lines
3.3 KiB
Python
100 lines
3.3 KiB
Python
#!/usr/bin/python
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# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
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# Basic sanity check of perf JSON output as specified in the man page.
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import argparse
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import sys
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import json
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ap = argparse.ArgumentParser()
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ap.add_argument('--no-args', action='store_true')
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ap.add_argument('--interval', action='store_true')
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ap.add_argument('--system-wide-no-aggr', action='store_true')
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ap.add_argument('--system-wide', action='store_true')
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ap.add_argument('--event', action='store_true')
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ap.add_argument('--per-core', action='store_true')
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ap.add_argument('--per-thread', action='store_true')
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ap.add_argument('--per-cache', action='store_true')
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ap.add_argument('--per-die', action='store_true')
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ap.add_argument('--per-node', action='store_true')
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ap.add_argument('--per-socket', action='store_true')
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ap.add_argument('--file', type=argparse.FileType('r'), default=sys.stdin)
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args = ap.parse_args()
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Lines = args.file.readlines()
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def isfloat(num):
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try:
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float(num)
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return True
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except ValueError:
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return False
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def isint(num):
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try:
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int(num)
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return True
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except ValueError:
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return False
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def is_counter_value(num):
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return isfloat(num) or num == '<not counted>' or num == '<not supported>'
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def check_json_output(expected_items):
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checks = {
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'aggregate-number': lambda x: isfloat(x),
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'core': lambda x: True,
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'counter-value': lambda x: is_counter_value(x),
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'cgroup': lambda x: True,
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'cpu': lambda x: isint(x),
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'cache': lambda x: True,
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'die': lambda x: True,
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'event': lambda x: True,
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'event-runtime': lambda x: isfloat(x),
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'interval': lambda x: isfloat(x),
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'metric-unit': lambda x: True,
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'metric-value': lambda x: isfloat(x),
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'metricgroup': lambda x: True,
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'node': lambda x: True,
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'pcnt-running': lambda x: isfloat(x),
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'socket': lambda x: True,
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'thread': lambda x: True,
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'unit': lambda x: True,
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}
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input = '[\n' + ','.join(Lines) + '\n]'
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for item in json.loads(input):
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if expected_items != -1:
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count = len(item)
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if count != expected_items and count >= 1 and count <= 6 and 'metric-value' in item:
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# Events that generate >1 metric may have isolated metric
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# values and possibly other prefixes like interval, core,
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# aggregate-number, or event-runtime/pcnt-running from multiplexing.
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pass
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elif count != expected_items and count >= 1 and count <= 5 and 'metricgroup' in item:
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pass
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elif count != expected_items:
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raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}'
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f' in \'{item}\'')
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for key, value in item.items():
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if key not in checks:
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raise RuntimeError(f'Unexpected key: key={key} value={value}')
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if not checks[key](value):
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raise RuntimeError(f'Check failed for: key={key} value={value}')
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try:
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if args.no_args or args.system_wide or args.event:
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expected_items = 7
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elif args.interval or args.per_thread or args.system_wide_no_aggr:
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expected_items = 8
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elif args.per_core or args.per_socket or args.per_node or args.per_die or args.per_cache:
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expected_items = 9
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else:
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# If no option is specified, don't check the number of items.
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expected_items = -1
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check_json_output(expected_items)
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except:
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print('Test failed for input:\n' + '\n'.join(Lines))
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raise
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