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b4c138244f
This change is made in anticipation of needing more than one kind of reader in future. Most notably, a reader to extract data from the MySQL results database would be a nice addition. BUG=None TEST=run showbootdata on any pre-existing data set Change-Id: I5811aa1427a2714ce6ba392cdec584b4236162fd Reviewed-on: http://gerrit.chromium.org/gerrit/2644 Reviewed-by: Mike Truty <truty@chromium.org> Tested-by: Richard Barnette <jrbarnette@chromium.org>
70 lines
1.7 KiB
Python
70 lines
1.7 KiB
Python
# Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Routines for reading performance results from a directory.
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The directory should match the format created by the 'bootperf'
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script; see comments in that script for a summary of the layout.
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"""
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import fnmatch
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import os
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import re
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import resultset
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_PERF_KEYVAL_PATTERN = re.compile("(.*){perf}=(.*)\n")
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def _ReadKeyvalFile(results, file_):
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"""Read an autotest keyval file, and process the results.
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The `file_` parameter is a file object with contents in autotest
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perf keyval format:
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<keyname>{perf}=<value>
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Each iteration of the test is terminated with a single blank line,
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including the last iteration. Each iteration's results are added
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to the `results` parameter, which should be an instance of
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TestResultSet.
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"""
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kvd = {}
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for line in iter(file_):
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if line == "\n":
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results.AddIterationResults(kvd)
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kvd = {}
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continue
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m = _PERF_KEYVAL_PATTERN.match(line)
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if m is None:
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continue
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kvd[m.group(1)] = m.group(2)
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_RESULTS_PATH = (
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"summary/platform_BootPerfServer/platform_BootPerfServer/results/keyval")
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def ReadResultsDirectory(dir_):
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"""Process results from a 'bootperf' output directory.
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The accumulated results are returned in a newly created
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TestResultSet object.
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"""
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res_set = resultset.TestResultSet(dir_)
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dirlist = fnmatch.filter(os.listdir(dir_), "run.???")
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dirlist.sort()
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for rundir in dirlist:
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keyval_path = os.path.join(dir_, rundir, _RESULTS_PATH)
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try:
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kvf = open(keyval_path)
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except IOError:
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continue
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_ReadKeyvalFile(res_set, kvf)
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res_set.FinalizeResults()
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return res_set
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