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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.
import argparse
import json
import os
import sys
tracing_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..'))
sys.path.append(tracing_path)
from tracing.value import merge_histograms
def Main(argv):
parser = argparse.ArgumentParser(
description='Merge Histograms.')
parser.add_argument('input', type=str,
help='Path to a HistogramSet JSON file. (input)')
parser.add_argument('output', type=str,
help='Path to a HistogramSet JSON file. (output)')
parser.add_argument('groupby', nargs='+',
help='One or more grouping keys (name, benchmark, ' +
'time, storyset_repeat, story_repeat, story, label)')
args = parser.parse_args(argv[1:])
merged = merge_histograms.MergeHistograms(args.input, args.groupby)
json.dump(merged, file(args.output, 'w'))
return 0
if __name__ == '__main__':
sys.exit(Main(sys.argv))
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