44 lines
1.4 KiB
Python
44 lines
1.4 KiB
Python
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#!/usr/bin/env python
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#
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# Copyright (c) 2012 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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"""Provides iotop/top style profiling for android.
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Usage:
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./device_stats_monitor.py --hz=20 --duration=5 --outfile=/tmp/foo
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"""
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import optparse
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import os
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import sys
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import time
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from pylib import android_commands
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from pylib import device_stats_monitor
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from pylib.utils import test_options_parser
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def main(argv):
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option_parser = optparse.OptionParser()
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option_parser.add_option('--hz', type='int', default=20,
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help='Number of samples/sec.')
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option_parser.add_option('--duration', type='int', default=5,
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help='Seconds to monitor.')
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option_parser.add_option('--outfile', default='/tmp/devicestatsmonitor',
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help='Location to start output file.')
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test_options_parser.AddBuildTypeOption(option_parser)
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options, args = option_parser.parse_args(argv)
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monitor = device_stats_monitor.DeviceStatsMonitor(
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android_commands.AndroidCommands(), options.hz, options.build_type)
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monitor.Start()
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print 'Waiting for %d seconds while profiling.' % options.duration
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time.sleep(options.duration)
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url = monitor.StopAndCollect(options.outfile)
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print 'View results in browser at %s' % url
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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