133 lines
3.6 KiB
Python
133 lines
3.6 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright (c) 2013 The Chromium 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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"""Command line tool for continuously printing Android graphics surface
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statistics on the console.
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"""
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import collections
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import optparse
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import sys
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import time
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from pylib import android_commands, surface_stats_collector
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from pylib.utils import run_tests_helper
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_FIELD_FORMAT = {
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'jank_count (janks)': '%d',
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'max_frame_delay (vsyncs)': '%d',
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'avg_surface_fps (fps)': '%.2f',
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'frame_lengths (vsyncs)': '%.3f',
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'refresh_period (seconds)': '%.6f',
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}
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def _MergeResults(results, fields):
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merged_results = collections.defaultdict(list)
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for result in results:
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if ((fields != ['all'] and not result.name in fields) or
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result.value is None):
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continue
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name = '%s (%s)' % (result.name, result.unit)
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if isinstance(result.value, list):
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value = result.value
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else:
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value = [result.value]
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merged_results[name] += value
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for name, values in merged_results.iteritems():
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merged_results[name] = sum(values) / float(len(values))
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return merged_results
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def _GetTerminalHeight():
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try:
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import fcntl, termios, struct
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except ImportError:
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return 0, 0
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height, _, _, _ = struct.unpack('HHHH',
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fcntl.ioctl(0, termios.TIOCGWINSZ,
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struct.pack('HHHH', 0, 0, 0, 0)))
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return height
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def _PrintColumnTitles(results):
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for name in results.keys():
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print '%s ' % name,
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print
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for name in results.keys():
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print '%s ' % ('-' * len(name)),
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print
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def _PrintResults(results):
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for name, value in results.iteritems():
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value = _FIELD_FORMAT.get(name, '%s') % value
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print value.rjust(len(name)) + ' ',
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print
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def main(argv):
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parser = optparse.OptionParser(usage='Usage: %prog [options]',
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description=__doc__)
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parser.add_option('-v',
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'--verbose',
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dest='verbose_count',
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default=0,
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action='count',
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help='Verbose level (multiple times for more)')
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parser.add_option('--device',
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help='Serial number of device we should use.')
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parser.add_option('-f',
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'--fields',
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dest='fields',
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default='jank_count,max_frame_delay,avg_surface_fps,'
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'frame_lengths',
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help='Comma separated list of fields to display or "all".')
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parser.add_option('-d',
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'--delay',
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dest='delay',
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default=1,
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type='float',
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help='Time in seconds to sleep between updates.')
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options, args = parser.parse_args(argv)
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run_tests_helper.SetLogLevel(options.verbose_count)
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adb = android_commands.AndroidCommands(options.device)
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collector = surface_stats_collector.SurfaceStatsCollector(adb)
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collector.DisableWarningAboutEmptyData()
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fields = options.fields.split(',')
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row_count = None
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try:
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collector.Start()
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while True:
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time.sleep(options.delay)
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results = collector.SampleResults()
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results = _MergeResults(results, fields)
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if not results:
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continue
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terminal_height = _GetTerminalHeight()
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if row_count is None or (terminal_height and
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row_count >= terminal_height - 3):
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_PrintColumnTitles(results)
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row_count = 0
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_PrintResults(results)
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row_count += 1
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except KeyboardInterrupt:
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sys.exit(0)
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finally:
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collector.Stop()
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if __name__ == '__main__':
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main(sys.argv)
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