3c65b637a4
Break out the log parser so I can reuse it, add a couple of tools to analyse test logs to generate historical timings. Fixes bug: 1263873 DocImpact: we should document the methodology here. Change-Id: I23a66e17612daa20bcb1beda59af1e6bd4f1b276
59 lines
1.9 KiB
Python
59 lines
1.9 KiB
Python
#!/usr/bin/python2
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#
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# Copyright 2013 Rackspace Australia
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import json
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import numpy
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import os
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import sys
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def main():
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with open('results.json') as f:
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results = json.loads(f.read())
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for migration in sorted(results['mysql']['user_001']):
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times = []
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for time in results['mysql']['user_001'][migration]:
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for i in range(results['mysql']['user_001'][migration][time]):
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times.append(int(time))
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times = sorted(times)
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np_times = numpy.array(times)
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mean = np_times.mean()
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stddev = np_times.std()
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failed_threshold = int(max(30.0, mean + stddev * 2))
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failed = 0
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for time in times:
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if time > failed_threshold:
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failed += 1
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if failed_threshold != 30 or failed > 0:
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print ('%s: Values range from %s to %s seconds. %d values. '
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'Mean is %.02f, stddev is %.02f.\n '
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'Recommend max of %d. With this value %.02f%% of tests '
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'would have failed.'
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% (migration, np_times.min(), np_times.max(), len(times),
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mean, stddev, failed_threshold,
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failed * 100.0 / len(times)))
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if __name__ == '__main__':
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sys.path.insert(0, os.path.abspath(
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os.path.join(os.path.dirname(__file__), '../')))
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main()
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