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#!/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.
from __future__ import print_function
import argparse
import codecs
import json
import os
import sys
import six
sys.path.insert(1, os.path.join(os.path.dirname(__file__), '..'))
from tracing_build import vulcanize_histograms_viewer
from tracing.metrics import metric_runner
from tracing.metrics import discover
from tracing.value.diagnostics import generic_set
from tracing.value.diagnostics import reserved_infos
from tracing.value import histogram_set
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('--results-label', type=str,
help=('A custom label for a column in HTML file'))
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]
failures = []
histograms = []
for trace_url, mre_result in six.iteritems(metric_runner.RunMetricOnTraces(
traces, args.metrics)):
failures.extend(mre_result.failures)
histograms.extend(mre_result.pairs.get('histograms', []))
if args.results_label:
hset = histogram_set.HistogramSet()
hset.ImportDicts(histograms)
hset.AddSharedDiagnosticToAllHistograms(
reserved_infos.LABELS.name,
generic_set.GenericSet([args.results_label]))
histograms = hset.AsDicts()
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:
vulcanize_histograms_viewer.VulcanizeAndRenderHistogramsViewer(
histograms, 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(histograms, 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))
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