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2c002821ac
BUG=chromium-os:8655 TEST=run bootperf as described by 'bootperf --help' TEST=run showbootstats as described by 'showbootstats --help' Review URL: http://codereview.chromium.org/4148011 Change-Id: Idcfe206f7708fe5290960149952239219d1a96f6
133 lines
3.7 KiB
Python
133 lines
3.7 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 printing boot time performance test results."""
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import fnmatch
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import os
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import os.path
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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 run in dirlist:
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keyval_path = os.path.join(dir_, run, _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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def PrintRawData(dirlist, use_timestats, keylist):
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"""Print 'bootperf' results in "raw data" format."""
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for dir_ in dirlist:
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if use_timestats:
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keyset = ReadResultsDirectory(dir_).TimeKeySet()
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else:
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keyset = ReadResultsDirectory(dir_).DiskKeySet()
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for i in range(0, keyset.num_iterations):
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if len(dirlist) > 1:
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line = "%s %3d" % (dir_, i)
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else:
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line = "%3d" % i
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if keylist is not None:
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markers = keylist
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else:
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markers = keyset.markers
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for stat in markers:
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(_, v) = keyset.PrintableStatistic(keyset.RawData(stat)[i])
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line += " %5s" % str(v)
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print line
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def PrintStatisticsSummary(dirlist, use_timestats, keylist):
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"""Print 'bootperf' results in "summary of averages" format."""
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if use_timestats:
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header = "%5s %3s %5s %3s %s" % (
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"time", "s%", "dt", "s%", "event")
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format = "%5s %2d%% %5s %2d%% %s"
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else:
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header = "%6s %3s %6s %3s %s" % (
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"diskrd", "s%", "delta", "s%", "event")
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format = "%6s %2d%% %6s %2d%% %s"
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havedata = False
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for dir_ in dirlist:
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if use_timestats:
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keyset = ReadResultsDirectory(dir_).TimeKeySet()
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else:
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keyset = ReadResultsDirectory(dir_).DiskKeySet()
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if keylist is not None:
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markers = keylist
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else:
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markers = keyset.markers
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if havedata:
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print
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if len(dirlist) > 1:
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print "%s" % dir_,
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print "(on %d cycles):" % keyset.num_iterations
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print header
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prevvalue = 0
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prevstat = None
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for stat in markers:
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(valueavg, valuedev) = keyset.Statistics(stat)
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valuepct = int(100 * valuedev / valueavg + 0.5)
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if prevstat:
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(deltaavg, deltadev) = keyset.DeltaStatistics(prevstat, stat)
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deltapct = int(100 * deltadev / deltaavg + 0.5)
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else:
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deltapct = valuepct
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(valstring, val_printed) = keyset.PrintableStatistic(valueavg)
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delta = val_printed - prevvalue
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(deltastring, _) = keyset.PrintableStatistic(delta)
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print format % (valstring, valuepct, "+" + deltastring, deltapct, stat)
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prevvalue = val_printed
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prevstat = stat
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havedata = True
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