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59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
#!/usr/bin/env python
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Write out detailed histogram information, including the ranges of the
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# buckets specified by each histogram.
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import sys
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import re
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import histogram_tools
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import json
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from collections import OrderedDict
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# Keep this in sync with TelemetryController.
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startup_histogram_re = re.compile("SQLITE|HTTP|SPDY|CACHE|DNS")
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def main(argv):
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filenames = argv
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all_histograms = OrderedDict()
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for histogram in histogram_tools.from_files(filenames):
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name = histogram.name()
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parameters = OrderedDict()
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table = {
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'boolean': '2',
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'flag': '3',
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'enumerated': '1',
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'linear': '1',
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'exponential': '0',
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'count': '4',
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}
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# Use __setitem__ because Python lambdas are so limited.
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histogram_tools.table_dispatch(histogram.kind(), table,
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lambda k: parameters.__setitem__('kind', k))
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if histogram.low() == 0:
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parameters['min'] = 1
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else:
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parameters['min'] = histogram.low()
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try:
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buckets = histogram.ranges()
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parameters['buckets'] = buckets
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parameters['max'] = buckets[-1]
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parameters['bucket_count'] = len(buckets)
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except histogram_tools.DefinitionException:
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continue
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all_histograms.update({ name: parameters });
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if startup_histogram_re.search(name) is not None:
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all_histograms.update({ "STARTUP_" + name: parameters })
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print json.dumps({ 'histograms': all_histograms})
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main(sys.argv[1:])
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