media/webrtc/trunk/build/android/pylib/io_stats_parser.py@8bccb770b82d (annotated)
media/webrtc/trunk/build/android/pylib/io_stats_parser.py
Wed, 31 Dec 2014 13:27:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 13:27:57 +0100
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
- permissions
- -rw-r--r--
Ignore runtime configuration files generated during quality assurance.
| michael@0 | 1 | # Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| michael@0 | 2 | # Use of this source code is governed by a BSD-style license that can be |
| michael@0 | 3 | # found in the LICENSE file. |
| michael@0 | 4 | |
| michael@0 | 5 | """Provides an interface to communicate with the device via the adb command. |
| michael@0 | 6 | |
| michael@0 | 7 | Assumes adb binary is currently on system path. |
| michael@0 | 8 | """ |
| michael@0 | 9 | |
| michael@0 | 10 | |
| michael@0 | 11 | import collections |
| michael@0 | 12 | |
| michael@0 | 13 | |
| michael@0 | 14 | def ParseIoStatsLine(line): |
| michael@0 | 15 | """Parses a line of io stats into a IoStats named tuple.""" |
| michael@0 | 16 | # Field definitions: http://www.kernel.org/doc/Documentation/iostats.txt |
| michael@0 | 17 | IoStats = collections.namedtuple('IoStats', |
| michael@0 | 18 | ['device', |
| michael@0 | 19 | 'num_reads_issued', |
| michael@0 | 20 | 'num_reads_merged', |
| michael@0 | 21 | 'num_sectors_read', |
| michael@0 | 22 | 'ms_spent_reading', |
| michael@0 | 23 | 'num_writes_completed', |
| michael@0 | 24 | 'num_writes_merged', |
| michael@0 | 25 | 'num_sectors_written', |
| michael@0 | 26 | 'ms_spent_writing', |
| michael@0 | 27 | 'num_ios_in_progress', |
| michael@0 | 28 | 'ms_spent_doing_io', |
| michael@0 | 29 | 'ms_spent_doing_io_weighted', |
| michael@0 | 30 | ]) |
| michael@0 | 31 | fields = line.split() |
| michael@0 | 32 | return IoStats._make([fields[2]] + [int(f) for f in fields[3:]]) |
