diff options
author | Luca Falavigna <dktrkranz@debian.org> | 2010-01-02 20:56:35 +0100 |
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committer | Luca Falavigna <dktrkranz@debian.org> | 2010-01-02 20:56:35 +0100 |
commit | 64c458487151933ee0ba093cf4ac69e177d9be37 (patch) | |
tree | f6e3755704f53406eea85532e4ffe5d5ef50b7f0 /bin/calibrate.py | |
parent | 2aec9cc58398cac1376509a7d75edb83b41f984e (diff) | |
parent | 72c578fd4b0b4a5a43e18594339ac4ff26c376dc (diff) |
Merge commit 'upstream/1.2.0.d20091224'
Diffstat (limited to 'bin/calibrate.py')
-rw-r--r-- | bin/calibrate.py | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/bin/calibrate.py b/bin/calibrate.py new file mode 100644 index 0000000..c5d45ce --- /dev/null +++ b/bin/calibrate.py @@ -0,0 +1,81 @@ +#!/usr/bin/env python +# +# Copyright (c) 2009 The SCons Foundation +# +# Permission is hereby granted, free of charge, to any person obtaining +# a copy of this software and associated documentation files (the +# "Software"), to deal in the Software without restriction, including +# without limitation the rights to use, copy, modify, merge, publish, +# distribute, sublicense, and/or sell copies of the Software, and to +# permit persons to whom the Software is furnished to do so, subject to +# the following conditions: +# +# The above copyright notice and this permission notice shall be included +# in all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY +# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE +# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND +# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE +# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION +# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION +# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +import optparse +import os +import re +import subprocess +import sys + +variable_re = re.compile('^VARIABLE: (.*)$', re.M) +elapsed_re = re.compile('^ELAPSED: (.*)$', re.M) + +def main(argv=None): + if argv is None: + argv = sys.argv + + parser = optparse.OptionParser(usage="calibrate.py [-h] [-p PACKAGE], [--min time] [--max time] timings/*/*-run.py") + parser.add_option('--min', type='float', default=9.5, + help="minimum acceptable execution time (default 9.5)") + parser.add_option('--max', type='float', default=10.00, + help="maximum acceptable execution time (default 10.00)") + parser.add_option('-p', '--package', type="string", + help="package type") + opts, args = parser.parse_args(argv[1:]) + + os.environ['TIMESCONS_CALIBRATE'] = '1' + + for arg in args: + if len(args) > 1: + print arg + ':' + + command = [sys.executable, 'runtest.py', '--noqmtest'] + if opts.package: + command.extend(['-p', opts.package]) + command.append(arg) + + run = 1 + good = 0 + while good < 3: + p = subprocess.Popen(command, + stdout=subprocess.PIPE, + stderr=subprocess.STDOUT) + output = p.communicate()[0] + vm = variable_re.search(output) + em = elapsed_re.search(output) + elapsed = float(em.group(1)) + print "run %3d: %7.3f: %s" % (run, elapsed, ' '.join(vm.groups())) + if opts.min < elapsed and elapsed < opts.max: + good += 1 + else: + good = 0 + for v in vm.groups(): + var, value = v.split('=', 1) + value = int((int(value) * opts.max) / elapsed) + os.environ[var] = str(value) + run += 1 + + return 0 + +if __name__ == "__main__": + sys.exit(main()) |