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Viewing changes to tests/bootspeed/bootchart/run.py

  • Committer: Leo Arias
  • Date: 2014-11-10 19:28:56 UTC
  • mfrom: (345 touch)
  • mto: This revision was merged to the branch mainline in revision 352.
  • Revision ID: leo.arias@canonical.com-20141110192856-rgpksx9n9j0b39yl
Merged with the touch branch.

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tests/bootspeed/bootchart/run.py
 
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#!/usr/bin/python
 
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import datetime
 
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import json
 
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import os
 
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import shutil
 
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import subprocess
 
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def _get_dashboard_data(timing_file):
 
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    info = subprocess.check_output(['adb', 'shell', 'system-image-cli', '-i'])
 
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    data = {
 
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        'image_md5': 'n/a',
 
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        'machine_mac': 'ff:ff:ff:ff:ff:ff',
 
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        'ran_at': datetime.datetime.now().isoformat(),
 
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        'kernel_init': 0.0,
 
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    }
 
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    for line in info.split('\r\n'):
 
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        if not line:
 
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            continue
 
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        key, val = line.split(':', 1)
 
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        val = val.strip()
 
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        if key == 'device name':
 
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            data['image_arch'] = val
 
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        elif key == 'channel':
 
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            # get 'touch' and 'trusty' from something like:
 
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            # ubuntu-touch/trusty-proposed
 
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            variant, release = val.split('/')
 
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            data['image_variant'] = variant.split('-')[1]
 
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            data['image_release'] = release.split('-')[0]
 
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        elif key == 'version version':
 
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            data['number'] = val
 
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        elif key == 'version ubuntu':
 
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            data['version_ubuntu'] = val
 
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        elif key == 'version device':
 
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            data['version_device'] = val
 
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    data['build_number'] = '%s:%s:%s' % (
 
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        data['number'], data['version_ubuntu'], data['version_device'])
 
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    with open(timing_file) as f:
 
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        # the timings file is sequence of readings (in hundredths of a second):
 
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        #  line 0 - the total boot time
 
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        #  line X - the time from boot until the given annotation *started*
 
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        timings = [float(x) / 100.0 for x in f.read().split('\n') if x]
 
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        data['boot'] = timings[0]
 
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        data['kernel'] = timings[1]
 
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        data['plumbing'] = timings[2] - timings[1]
 
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        data['xorg'] = timings[3] - timings[2]
 
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        data['desktop'] = timings[0] - timings[3]
 
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    return data
 
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def chart(results_dir):
 
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    timings = os.path.join(results_dir, 'timings')
 
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    os.environ['CHARTOPTS'] = ' '.join([
 
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        '--crop-after=unity8',
 
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        '--annotate=mountall',
 
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        '--annotate=lightdm',
 
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        '--annotate=unity8',
 
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        '--annotate-file=%s' % timings,
 
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    ])
 
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    subprocess.check_call(['phablet-bootchart', '-n', '-k',
 
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                           '-w', '/home/ubuntu/magners-wifi',
 
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                           '-o', results_dir])
 
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    data = _get_dashboard_data(timings)
 
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    with open(os.path.join(results_dir, 'boot.json'), 'w') as f:
 
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        json.dump(data, f, indent=4)
 
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if __name__ == '__main__':
 
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    # run_utah_phablet will pass us a "UTAH_PROBE_DIR":
 
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    resdir = os.environ.get('UTAH_PROBE_DIR', '/tmp/results')
 
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    for x in range(3):
 
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        chart(os.path.join(resdir, str(x)))