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| 1 | |
| 2 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> | |
| 3 <html><head><title>Python: module telemetry.internal.platform.power_monitor.cros
_power_monitor</title> | |
| 4 <meta charset="utf-8"> | |
| 5 </head><body bgcolor="#f0f0f8"> | |
| 6 | |
| 7 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading"> | |
| 8 <tr bgcolor="#7799ee"> | |
| 9 <td valign=bottom> <br> | |
| 10 <font color="#ffffff" face="helvetica, arial"> <br><big><big><strong><a hre
f="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry
.internal.html"><font color="#ffffff">internal</font></a>.<a href="telemetry.int
ernal.platform.html"><font color="#ffffff">platform</font></a>.<a href="telemetr
y.internal.platform.power_monitor.html"><font color="#ffffff">power_monitor</fon
t></a>.cros_power_monitor</strong></big></big></font></td | |
| 11 ><td align=right valign=bottom | |
| 12 ><font color="#ffffff" face="helvetica, arial"><a href=".">index</a><br><a href=
"../telemetry/internal/platform/power_monitor/cros_power_monitor.py">telemetry/i
nternal/platform/power_monitor/cros_power_monitor.py</a></font></td></tr></table
> | |
| 13 <p><tt># Copyright 2014 The Chromium Authors.
All rights reserved.<br> | |
| 14 # Use of this source code is governed by
a BSD-style license that can be<br> | |
| 15 # found in the LICENSE file.</tt></p> | |
| 16 <p> | |
| 17 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> | |
| 18 <tr bgcolor="#aa55cc"> | |
| 19 <td colspan=3 valign=bottom> <br> | |
| 20 <font color="#ffffff" face="helvetica, arial"><big><strong>Modules</strong></big
></font></td></tr> | |
| 21 | |
| 22 <tr><td bgcolor="#aa55cc"><tt> </tt></td><td>
</td> | |
| 23 <td width="100%"><table width="100%" summary="list"><tr><td width="25%" valign=t
op><a href="collections.html">collections</a><br> | |
| 24 </td><td width="25%" valign=top><a href="telemetry.decorators.html">telemetry.de
corators</a><br> | |
| 25 </td><td width="25%" valign=top><a href="re.html">re</a><br> | |
| 26 </td><td width="25%" valign=top><a href="telemetry.internal.platform.power_monit
or.sysfs_power_monitor.html">telemetry.internal.platform.power_monitor.sysfs_pow
er_monitor</a><br> | |
| 27 </td></tr></table></td></tr></table><p> | |
| 28 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> | |
| 29 <tr bgcolor="#ee77aa"> | |
| 30 <td colspan=3 valign=bottom> <br> | |
| 31 <font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big
></font></td></tr> | |
| 32 | |
| 33 <tr><td bgcolor="#ee77aa"><tt> </tt></td><td>
</td> | |
| 34 <td width="100%"><dl> | |
| 35 <dt><font face="helvetica, arial"><a href="telemetry.internal.platform.power_mon
itor.sysfs_power_monitor.html#SysfsPowerMonitor">telemetry.internal.platform.pow
er_monitor.sysfs_power_monitor.SysfsPowerMonitor</a>(<a href="telemetry.internal
.platform.power_monitor.html#PowerMonitor">telemetry.internal.platform.power_mon
itor.PowerMonitor</a>) | |
| 36 </font></dt><dd> | |
| 37 <dl> | |
| 38 <dt><font face="helvetica, arial"><a href="telemetry.internal.platform.power_mon
itor.cros_power_monitor.html#CrosPowerMonitor">CrosPowerMonitor</a> | |
| 39 </font></dt></dl> | |
| 40 </dd> | |
| 41 </dl> | |
| 42 <p> | |
| 43 <table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> | |
| 44 <tr bgcolor="#ffc8d8"> | |
| 45 <td colspan=3 valign=bottom> <br> | |
| 46 <font color="#000000" face="helvetica, arial"><a name="CrosPowerMonitor">class <
strong>CrosPowerMonitor</strong></a>(<a href="telemetry.internal.platform.power_
monitor.sysfs_power_monitor.html#SysfsPowerMonitor">telemetry.internal.platform.
power_monitor.sysfs_power_monitor.SysfsPowerMonitor</a>)</font></td></tr> | |
| 47 | |
| 48 <tr bgcolor="#ffc8d8"><td rowspan=2><tt> </tt></td> | |
| 49 <td colspan=2><tt>PowerMonitor that relies on 'dump_power_st
atus' to monitor power<br> | |
| 50 consumption of a single ChromeOS application.<br>
</tt></td></tr> | |
| 51 <tr><td> </td> | |
| 52 <td width="100%"><dl><dt>Method resolution order:</dt> | |
| 53 <dd><a href="telemetry.internal.platform.power_monitor.cros_power_monitor.html#C
rosPowerMonitor">CrosPowerMonitor</a></dd> | |
| 54 <dd><a href="telemetry.internal.platform.power_monitor.sysfs_power_monitor.html#
SysfsPowerMonitor">telemetry.internal.platform.power_monitor.sysfs_power_monitor
.SysfsPowerMonitor</a></dd> | |
| 55 <dd><a href="telemetry.internal.platform.power_monitor.html#PowerMonitor">teleme
try.internal.platform.power_monitor.PowerMonitor</a></dd> | |
| 56 <dd><a href="__builtin__.html#object">__builtin__.object</a></dd> | |
| 57 </dl> | |
| 58 <hr> | |
| 59 Methods defined here:<br> | |
| 60 <dl><dt><a name="CrosPowerMonitor-CanMonitorPower"><strong>CanMonitorPower</stro
ng></a>(*args, **kwargs)</dt></dl> | |
| 61 | |
| 62 <dl><dt><a name="CrosPowerMonitor-StartMonitoringPower"><strong>StartMonitoringP
ower</strong></a>(self, browser)</dt></dl> | |
| 63 | |
| 64 <dl><dt><a name="CrosPowerMonitor-StopMonitoringPower"><strong>StopMonitoringPow
er</strong></a>(self)</dt></dl> | |
| 65 | |
| 66 <dl><dt><a name="CrosPowerMonitor-__init__"><strong>__init__</strong></a>(self,
platform_backend)</dt><dd><tt>Constructor.<br> | |
| 67 <br> | |
| 68 Args:<br> | |
| 69 platform_backend: A LinuxBasedPlatformBackend&
nbsp;object.<br> | |
| 70 <br> | |
| 71 Attributes:<br> | |
| 72 _initial_power: The result of 'dump_
power_status' before the test.<br> | |
| 73 _start_time: The epoch time at
which the test starts executing.</tt></dd></dl> | |
| 74 | |
| 75 <hr> | |
| 76 Static methods defined here:<br> | |
| 77 <dl><dt><a name="CrosPowerMonitor-IsOnBatteryPower"><strong>IsOnBatteryPower</st
rong></a>(status, board)</dt><dd><tt>Determines if the devices&nb
sp;is being charged.<br> | |
| 78 <br> | |
| 79 Args:<br> | |
| 80 status: The parsed result of 'd
ump_power_status'<br> | |
| 81 board: The name of the board&nb
sp;running the test.<br> | |
| 82 <br> | |
| 83 Returns:<br> | |
| 84 True if the device is on b
attery power; False otherwise.</tt></dd></dl> | |
| 85 | |
| 86 <dl><dt><a name="CrosPowerMonitor-ParsePower"><strong>ParsePower</strong></a>(in
itial_stats, final_stats, length_h)</dt><dd><tt>Parse output of '
dump_power_status'<br> | |
| 87 <br> | |
| 88 Args:<br> | |
| 89 initial_stats: The output of 'dump_p
ower_status' before the test.<br> | |
| 90 final_stats: The output of 'dump_pow
er_status' after the test.<br> | |
| 91 length_h: The length of the tes
t in hours.<br> | |
| 92 <br> | |
| 93 Returns:<br> | |
| 94 Dictionary in the format returned&nb
sp;by <a href="#CrosPowerMonitor-StopMonitoringPower">StopMonitoringPower</
a>().</tt></dd></dl> | |
| 95 | |
| 96 <dl><dt><a name="CrosPowerMonitor-ParsePowerStatus"><strong>ParsePowerStatus</st
rong></a>(sample)</dt><dd><tt>Parses 'dump_power_status' command
output.<br> | |
| 97 <br> | |
| 98 Args:<br> | |
| 99 sample: The output of 'dump_power_st
atus'<br> | |
| 100 <br> | |
| 101 Returns:<br> | |
| 102 Dictionary containing all fields fro
m 'dump_power_status'</tt></dd></dl> | |
| 103 | |
| 104 <dl><dt><a name="CrosPowerMonitor-SplitSample"><strong>SplitSample</strong></a>(
sample)</dt><dd><tt>Splits a power and time sample 
;into the two separate values.<br> | |
| 105 <br> | |
| 106 Args:<br> | |
| 107 sample: The result of calling '
dump_power_status; date +%s' on the<br> | |
| 108 device.<br> | |
| 109 <br> | |
| 110 Returns:<br> | |
| 111 A tuple of power sample and&nbs
p;epoch time of the sample.</tt></dd></dl> | |
| 112 | |
| 113 <hr> | |
| 114 Methods inherited from <a href="telemetry.internal.platform.power_monitor.sysfs_
power_monitor.html#SysfsPowerMonitor">telemetry.internal.platform.power_monitor.
sysfs_power_monitor.SysfsPowerMonitor</a>:<br> | |
| 115 <dl><dt><a name="CrosPowerMonitor-GetCpuFreq"><strong>GetCpuFreq</strong></a>(se
lf)</dt><dd><tt>Retrieve CPU frequency times from the&n
bsp;device.<br> | |
| 116 <br> | |
| 117 Returns:<br> | |
| 118 Dictionary containing frequency times&nbs
p;for each CPU.</tt></dd></dl> | |
| 119 | |
| 120 <dl><dt><a name="CrosPowerMonitor-GetCpuState"><strong>GetCpuState</strong></a>(
self)</dt><dd><tt>Retrieve CPU c-state residency times
from the device.<br> | |
| 121 <br> | |
| 122 Returns:<br> | |
| 123 Dictionary containing c-state residency&n
bsp;times for each CPU.</tt></dd></dl> | |
| 124 | |
| 125 <hr> | |
| 126 Static methods inherited from <a href="telemetry.internal.platform.power_monitor
.sysfs_power_monitor.html#SysfsPowerMonitor">telemetry.internal.platform.power_m
onitor.sysfs_power_monitor.SysfsPowerMonitor</a>:<br> | |
| 127 <dl><dt><a name="CrosPowerMonitor-CombineResults"><strong>CombineResults</strong
></a>(cpu_stats, power_stats)</dt><dd><tt>Add frequency and c-sta
te residency data to the power data.<br> | |
| 128 <br> | |
| 129 Args:<br> | |
| 130 cpu_stats: Dictionary containing CPU 
;statistics.<br> | |
| 131 power_stats: Dictionary containing power&
nbsp;statistics.<br> | |
| 132 <br> | |
| 133 Returns:<br> | |
| 134 Dictionary in the format returned&nb
sp;by StopMonitoringPower.</tt></dd></dl> | |
| 135 | |
| 136 <dl><dt><a name="CrosPowerMonitor-ComputeCpuStats"><strong>ComputeCpuStats</stro
ng></a>(initial, final)</dt><dd><tt>Parse the CPU c-state an
d frequency values saved during monitoring.<br> | |
| 137 <br> | |
| 138 Args:<br> | |
| 139 initial: The parsed dictionary of&nb
sp;initial statistics to be converted<br> | |
| 140 into percentages.<br> | |
| 141 final: The parsed dictionary of 
;final statistics to be converted<br> | |
| 142 into percentages.<br> | |
| 143 <br> | |
| 144 Returns:<br> | |
| 145 Dictionary containing percentages for&nbs
p;each CPU as well as an average<br> | |
| 146 across all CPUs.</tt></dd></dl> | |
| 147 | |
| 148 <dl><dt><a name="CrosPowerMonitor-ParseFreqSample"><strong>ParseFreqSample</stro
ng></a>(sample)</dt><dd><tt>Parse a single frequency sample.
<br> | |
| 149 <br> | |
| 150 Args:<br> | |
| 151 sample: The single sample of fr
equency data to be parsed.<br> | |
| 152 <br> | |
| 153 Returns:<br> | |
| 154 A dictionary associating a frequency
with a time.</tt></dd></dl> | |
| 155 | |
| 156 <hr> | |
| 157 Methods inherited from <a href="telemetry.internal.platform.power_monitor.html#P
owerMonitor">telemetry.internal.platform.power_monitor.PowerMonitor</a>:<br> | |
| 158 <dl><dt><a name="CrosPowerMonitor-CanMeasurePerApplicationPower"><strong>CanMeas
urePerApplicationPower</strong></a>(self)</dt><dd><tt>Returns True if&
nbsp;the power monitor can measure power for
the target<br> | |
| 159 application in isolation. False if power measureme
nt is for full system<br> | |
| 160 energy consumption.</tt></dd></dl> | |
| 161 | |
| 162 <hr> | |
| 163 Data descriptors inherited from <a href="telemetry.internal.platform.power_monit
or.html#PowerMonitor">telemetry.internal.platform.power_monitor.PowerMonitor</a>
:<br> | |
| 164 <dl><dt><strong>__dict__</strong></dt> | |
| 165 <dd><tt>dictionary for instance variables (if defined)<
/tt></dd> | |
| 166 </dl> | |
| 167 <dl><dt><strong>__weakref__</strong></dt> | |
| 168 <dd><tt>list of weak references to the object 
;(if defined)</tt></dd> | |
| 169 </dl> | |
| 170 </td></tr></table></td></tr></table> | |
| 171 </body></html> | |
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Chromium Code Reviews
Issue 1647513002:
Delete tools/telemetry. (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master