android_mt6572_jiabo/external/chromium-trace/catapult/tracing/bin/run_metric
2025-09-05 16:56:03 +08:00

76 lines
2.9 KiB
Python
Executable file

#!/usr/bin/env python
# Copyright 2016 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import argparse
import codecs
import json
import os
import sys
sys.path.insert(1, os.path.join(os.path.dirname(__file__), '..'))
from tracing import results_renderer
from tracing.metrics import metric_runner
from tracing.metrics import discover
def Main(argv):
all_metrics = discover.DiscoverMetrics(
['/tracing/metrics/all_metrics.html'])
parser = argparse.ArgumentParser(
description='Runs metrics on local traces')
parser.add_argument('trace_file_or_dir',
help='A trace file, or a dir containing trace files')
parser.add_argument('metrics', nargs='+',
help=('Function names of registered metrics '
'(not filenames.) '
'Available metrics are: %s' %
', '.join(all_metrics)),
choices=all_metrics, metavar='metricName')
parser.add_argument('--filename', default='results', type=str,
help='Output file name (no extension)')
parser.add_argument('--reset', action='store_true',
help=('Whether to ignore existing results in HTML file '
'(if it exists'))
parser.add_argument('--also-output-json', action='store_true',
help=('Also output json file containing values. Note that'
'this only contains the results of current run'))
args = parser.parse_args(argv[1:])
trace_file_or_dir = os.path.abspath(args.trace_file_or_dir)
if os.path.isdir(trace_file_or_dir):
trace_dir = trace_file_or_dir
traces = [os.path.join(trace_dir, trace) for trace in os.listdir(trace_dir)]
else:
traces = [trace_file_or_dir]
results = {k: v.AsDict() for k, v in
metric_runner.RunMetricOnTraces(traces, args.metrics).iteritems()}
failures = []
values = []
for trace in traces:
failures.extend(results[trace]['pairs'].get('failures', []))
values.extend(results[trace]['pairs'].get('values', []))
if failures:
print 'Running metric failed:'
for failure in failures:
print failure['stack']
output_file = args.filename + '.html'
open(output_file, 'a').close() # Create file if it doesn't exist.
with codecs.open(output_file, mode='r+', encoding='utf-8') as output_stream:
results_renderer.RenderHTMLView(values, output_stream, args.reset)
print 'HTML result created in file://' + os.path.abspath(output_file)
if args.also_output_json:
output_file = args.filename + '.json'
with open(output_file, 'w') as f:
json.dump(values, f, indent=2, sort_keys=True, separators=(',', ': '))
print 'JSON result created in file://' + os.path.abspath(output_file)
if __name__ == '__main__':
sys.exit(Main(sys.argv))