1 2<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 3<html><head><title>Python: module telemetry.internal.platform.android_platform_backend</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 href="telemetry.html"><font color="#ffffff">telemetry</font></a>.<a href="telemetry.internal.html"><font color="#ffffff">internal</font></a>.<a href="telemetry.internal.platform.html"><font color="#ffffff">platform</font></a>.android_platform_backend</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/android_platform_backend.py">telemetry/internal/platform/android_platform_backend.py</a></font></td></tr></table> 13 <p><tt># Copyright 2013 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=top><a href="adb_install_cert.html">adb_install_cert</a><br> 24<a href="telemetry.internal.platform.android_device.html">telemetry.internal.platform.android_device</a><br> 25<a href="telemetry.internal.platform.power_monitor.android_dumpsys_power_monitor.html">telemetry.internal.platform.power_monitor.android_dumpsys_power_monitor</a><br> 26<a href="telemetry.internal.forwarders.android_forwarder.html">telemetry.internal.forwarders.android_forwarder</a><br> 27<a href="telemetry.internal.platform.power_monitor.android_fuelgauge_power_monitor.html">telemetry.internal.platform.power_monitor.android_fuelgauge_power_monitor</a><br> 28<a href="telemetry.core.android_platform.html">telemetry.core.android_platform</a><br> 29<a href="telemetry.internal.platform.profiler.android_prebuilt_profiler_helper.html">telemetry.internal.platform.profiler.android_prebuilt_profiler_helper</a><br> 30<a href="telemetry.internal.platform.power_monitor.android_temperature_monitor.html">telemetry.internal.platform.power_monitor.android_temperature_monitor</a><br> 31<a href="devil.android.battery_utils.html">devil.android.battery_utils</a><br> 32<a href="telemetry.internal.util.binary_manager.html">telemetry.internal.util.binary_manager</a><br> 33</td><td width="25%" valign=top><a href="devil.android.perf.cache_control.html">devil.android.perf.cache_control</a><br> 34<a href="certutils.html">certutils</a><br> 35<a href="pylib.constants.html">pylib.constants</a><br> 36<a href="telemetry.decorators.html">telemetry.decorators</a><br> 37<a href="devil.android.device_errors.html">devil.android.device_errors</a><br> 38<a href="devil.android.device_utils.html">devil.android.device_utils</a><br> 39<a href="telemetry.internal.util.exception_formatter.html">telemetry.internal.util.exception_formatter</a><br> 40<a href="telemetry.core.exceptions.html">telemetry.core.exceptions</a><br> 41<a href="telemetry.internal.util.external_modules.html">telemetry.internal.util.external_modules</a><br> 42<a href="telemetry.internal.platform.linux_based_platform_backend.html">telemetry.internal.platform.linux_based_platform_backend</a><br> 43</td><td width="25%" valign=top><a href="logging.html">logging</a><br> 44<a href="telemetry.internal.platform.power_monitor.monsoon_power_monitor.html">telemetry.internal.platform.power_monitor.monsoon_power_monitor</a><br> 45<a href="os.html">os</a><br> 46<a href="devil.android.perf.perf_control.html">devil.android.perf.perf_control</a><br> 47<a href="telemetry.core.platform.html">telemetry.core.platform</a><br> 48<a href="platformsettings.html">platformsettings</a><br> 49<a href="telemetry.internal.platform.power_monitor.power_monitor_controller.html">telemetry.internal.platform.power_monitor.power_monitor_controller</a><br> 50<a href="psutil.html">psutil</a><br> 51<a href="re.html">re</a><br> 52<a href="pylib.screenshot.html">pylib.screenshot</a><br> 53</td><td width="25%" valign=top><a href="shutil.html">shutil</a><br> 54<a href="stat.html">stat</a><br> 55<a href="subprocess.html">subprocess</a><br> 56<a href="devil.android.perf.surface_stats_collector.html">devil.android.perf.surface_stats_collector</a><br> 57<a href="telemetry.internal.platform.power_monitor.sysfs_power_monitor.html">telemetry.internal.platform.power_monitor.sysfs_power_monitor</a><br> 58<a href="tempfile.html">tempfile</a><br> 59<a href="devil.android.perf.thermal_throttle.html">devil.android.perf.thermal_throttle</a><br> 60<a href="telemetry.core.util.html">telemetry.core.util</a><br> 61<a href="devil.android.sdk.version_codes.html">devil.android.sdk.version_codes</a><br> 62<a href="telemetry.internal.image_processing.video.html">telemetry.internal.image_processing.video</a><br> 63</td></tr></table></td></tr></table><p> 64<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 65<tr bgcolor="#ee77aa"> 66<td colspan=3 valign=bottom> <br> 67<font color="#ffffff" face="helvetica, arial"><big><strong>Classes</strong></big></font></td></tr> 68 69<tr><td bgcolor="#ee77aa"><tt> </tt></td><td> </td> 70<td width="100%"><dl> 71<dt><font face="helvetica, arial"><a href="telemetry.internal.platform.linux_based_platform_backend.html#LinuxBasedPlatformBackend">telemetry.internal.platform.linux_based_platform_backend.LinuxBasedPlatformBackend</a>(<a href="telemetry.internal.platform.platform_backend.html#PlatformBackend">telemetry.internal.platform.platform_backend.PlatformBackend</a>) 72</font></dt><dd> 73<dl> 74<dt><font face="helvetica, arial"><a href="telemetry.internal.platform.android_platform_backend.html#AndroidPlatformBackend">AndroidPlatformBackend</a> 75</font></dt></dl> 76</dd> 77</dl> 78 <p> 79<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="section"> 80<tr bgcolor="#ffc8d8"> 81<td colspan=3 valign=bottom> <br> 82<font color="#000000" face="helvetica, arial"><a name="AndroidPlatformBackend">class <strong>AndroidPlatformBackend</strong></a>(<a href="telemetry.internal.platform.linux_based_platform_backend.html#LinuxBasedPlatformBackend">telemetry.internal.platform.linux_based_platform_backend.LinuxBasedPlatformBackend</a>)</font></td></tr> 83 84<tr><td bgcolor="#ffc8d8"><tt> </tt></td><td> </td> 85<td width="100%"><dl><dt>Method resolution order:</dt> 86<dd><a href="telemetry.internal.platform.android_platform_backend.html#AndroidPlatformBackend">AndroidPlatformBackend</a></dd> 87<dd><a href="telemetry.internal.platform.linux_based_platform_backend.html#LinuxBasedPlatformBackend">telemetry.internal.platform.linux_based_platform_backend.LinuxBasedPlatformBackend</a></dd> 88<dd><a href="telemetry.internal.platform.platform_backend.html#PlatformBackend">telemetry.internal.platform.platform_backend.PlatformBackend</a></dd> 89<dd><a href="__builtin__.html#object">__builtin__.object</a></dd> 90</dl> 91<hr> 92Methods defined here:<br> 93<dl><dt><a name="AndroidPlatformBackend-CanCaptureVideo"><strong>CanCaptureVideo</strong></a>(*args, **kwargs)</dt></dl> 94 95<dl><dt><a name="AndroidPlatformBackend-CanFlushIndividualFilesFromSystemCache"><strong>CanFlushIndividualFilesFromSystemCache</strong></a>(self)</dt></dl> 96 97<dl><dt><a name="AndroidPlatformBackend-CanLaunchApplication"><strong>CanLaunchApplication</strong></a>(self, application)</dt></dl> 98 99<dl><dt><a name="AndroidPlatformBackend-CanMonitorNetworkData"><strong>CanMonitorNetworkData</strong></a>(self)</dt></dl> 100 101<dl><dt><a name="AndroidPlatformBackend-CanMonitorPower"><strong>CanMonitorPower</strong></a>(self)</dt></dl> 102 103<dl><dt><a name="AndroidPlatformBackend-CanMonitorThermalThrottling"><strong>CanMonitorThermalThrottling</strong></a>(self)</dt></dl> 104 105<dl><dt><a name="AndroidPlatformBackend-CanTakeScreenshot"><strong>CanTakeScreenshot</strong></a>(self)</dt></dl> 106 107<dl><dt><a name="AndroidPlatformBackend-DismissCrashDialogIfNeeded"><strong>DismissCrashDialogIfNeeded</strong></a>(self)</dt><dd><tt>Dismiss any error dialogs.<br> 108 <br> 109Limit the number in case we have an error loop or we are failing to dismiss.</tt></dd></dl> 110 111<dl><dt><a name="AndroidPlatformBackend-FlushDnsCache"><strong>FlushDnsCache</strong></a>(self)</dt></dl> 112 113<dl><dt><a name="AndroidPlatformBackend-FlushEntireSystemCache"><strong>FlushEntireSystemCache</strong></a>(self)</dt></dl> 114 115<dl><dt><a name="AndroidPlatformBackend-FlushSystemCacheForDirectory"><strong>FlushSystemCacheForDirectory</strong></a>(self, directory)</dt></dl> 116 117<dl><dt><a name="AndroidPlatformBackend-ForwardHostToDevice"><strong>ForwardHostToDevice</strong></a>(self, host_port, device_port)</dt></dl> 118 119<dl><dt><a name="AndroidPlatformBackend-GetArchName"><strong>GetArchName</strong></a>(*args, **kwargs)</dt></dl> 120 121<dl><dt><a name="AndroidPlatformBackend-GetChildPids"><strong>GetChildPids</strong></a>(self, pid)</dt></dl> 122 123<dl><dt><a name="AndroidPlatformBackend-GetCommandLine"><strong>GetCommandLine</strong></a>(*args, **kwargs)</dt></dl> 124 125<dl><dt><a name="AndroidPlatformBackend-GetCpuStats"><strong>GetCpuStats</strong></a>(self, pid)</dt></dl> 126 127<dl><dt><a name="AndroidPlatformBackend-GetCpuTimestamp"><strong>GetCpuTimestamp</strong></a>(self)</dt></dl> 128 129<dl><dt><a name="AndroidPlatformBackend-GetDeviceTypeName"><strong>GetDeviceTypeName</strong></a>(self)</dt></dl> 130 131<dl><dt><a name="AndroidPlatformBackend-GetFileContents"><strong>GetFileContents</strong></a>(self, fname)</dt></dl> 132 133<dl><dt><a name="AndroidPlatformBackend-GetMemoryStats"><strong>GetMemoryStats</strong></a>(self, pid)</dt></dl> 134 135<dl><dt><a name="AndroidPlatformBackend-GetNetworkData"><strong>GetNetworkData</strong></a>(self, browser)</dt></dl> 136 137<dl><dt><a name="AndroidPlatformBackend-GetOSName"><strong>GetOSName</strong></a>(self)</dt></dl> 138 139<dl><dt><a name="AndroidPlatformBackend-GetOSVersionName"><strong>GetOSVersionName</strong></a>(*args, **kwargs)</dt></dl> 140 141<dl><dt><a name="AndroidPlatformBackend-GetPsOutput"><strong>GetPsOutput</strong></a>(self, columns, pid<font color="#909090">=None</font>)</dt></dl> 142 143<dl><dt><a name="AndroidPlatformBackend-GetStackTrace"><strong>GetStackTrace</strong></a>(self, target_arch)</dt><dd><tt>Returns stack trace.<br> 144 <br> 145The stack trace consists of raw logcat dump, logcat dump with symbols,<br> 146and stack info from tomstone files.<br> 147 <br> 148Args:<br> 149 target_arch: String specifying device architecture (eg. arm, arm64, mips,<br> 150 x86, x86_64)</tt></dd></dl> 151 152<dl><dt><a name="AndroidPlatformBackend-GetStandardOutput"><strong>GetStandardOutput</strong></a>(self, number_of_lines<font color="#909090">=500</font>)</dt><dd><tt>Returns most recent lines of logcat dump.<br> 153 <br> 154Args:<br> 155 number_of_lines: Number of lines of log to return.</tt></dd></dl> 156 157<dl><dt><a name="AndroidPlatformBackend-HasBeenThermallyThrottled"><strong>HasBeenThermallyThrottled</strong></a>(self)</dt></dl> 158 159<dl><dt><a name="AndroidPlatformBackend-InstallApplication"><strong>InstallApplication</strong></a>(self, application)</dt></dl> 160 161<dl><dt><a name="AndroidPlatformBackend-InstallTestCa"><strong>InstallTestCa</strong></a>(self)</dt><dd><tt>Install a randomly generated root CA on the android device.<br> 162 <br> 163This allows transparent HTTPS testing with WPR server without need<br> 164to tweak application network stack.</tt></dd></dl> 165 166<dl><dt><a name="AndroidPlatformBackend-IsAppRunning"><strong>IsAppRunning</strong></a>(self, process_name)</dt><dd><tt>Determine if the given process is running.<br> 167 <br> 168Args:<br> 169 process_name: The full package name string of the process.</tt></dd></dl> 170 171<dl><dt><a name="AndroidPlatformBackend-IsApplicationRunning"><strong>IsApplicationRunning</strong></a>(self, application)</dt></dl> 172 173<dl><dt><a name="AndroidPlatformBackend-IsDisplayTracingSupported"><strong>IsDisplayTracingSupported</strong></a>(self)</dt></dl> 174 175<dl><dt><a name="AndroidPlatformBackend-IsScreenLocked"><strong>IsScreenLocked</strong></a>(self)</dt><dd><tt>Determines if device screen is locked.</tt></dd></dl> 176 177<dl><dt><a name="AndroidPlatformBackend-IsScreenOn"><strong>IsScreenOn</strong></a>(self)</dt><dd><tt>Determines if device screen is on.</tt></dd></dl> 178 179<dl><dt><a name="AndroidPlatformBackend-IsThermallyThrottled"><strong>IsThermallyThrottled</strong></a>(self)</dt></dl> 180 181<dl><dt><a name="AndroidPlatformBackend-KillApplication"><strong>KillApplication</strong></a>(self, application)</dt><dd><tt>Kill the given |application|.<br> 182 <br> 183Might be used instead of ForceStop for efficiency reasons.<br> 184 <br> 185Args:<br> 186 application: The full package name string of the application to kill.</tt></dd></dl> 187 188<dl><dt><a name="AndroidPlatformBackend-LaunchApplication"><strong>LaunchApplication</strong></a>(self, application, parameters<font color="#909090">=None</font>, elevate_privilege<font color="#909090">=False</font>)</dt><dd><tt>Launches the given |application| with a list of |parameters| on the OS.<br> 189 <br> 190Args:<br> 191 application: The full package name string of the application to launch.<br> 192 parameters: A list of parameters to be passed to the ActivityManager.<br> 193 elevate_privilege: Currently unimplemented on Android.</tt></dd></dl> 194 195<dl><dt><a name="AndroidPlatformBackend-PathExists"><strong>PathExists</strong></a>(self, device_path, timeout<font color="#909090">=None</font>, retries<font color="#909090">=None</font>)</dt><dd><tt>Return whether the given path exists on the device.<br> 196This method is the same as<br> 197devil.android.device_utils.DeviceUtils.PathExists.</tt></dd></dl> 198 199<dl><dt><a name="AndroidPlatformBackend-PullProfile"><strong>PullProfile</strong></a>(self, package, output_profile_path)</dt><dd><tt>Copy application profile from device to host machine.<br> 200 <br> 201Args:<br> 202 package: The full package name string of the application for which the<br> 203 profile is to be copied.<br> 204 output_profile_dir: Location where profile to be stored on host machine.</tt></dd></dl> 205 206<dl><dt><a name="AndroidPlatformBackend-PurgeUnpinnedMemory"><strong>PurgeUnpinnedMemory</strong></a>(self)</dt><dd><tt>Purges the unpinned ashmem memory for the whole system.<br> 207 <br> 208This can be used to make memory measurements more stable. Requires root.</tt></dd></dl> 209 210<dl><dt><a name="AndroidPlatformBackend-PushProfile"><strong>PushProfile</strong></a>(self, package, new_profile_dir)</dt><dd><tt>Replace application profile with files found on host machine.<br> 211 <br> 212Pushing the profile is slow, so we don't want to do it every time.<br> 213Avoid this by pushing to a safe location using PushChangedFiles, and<br> 214then copying into the correct location on each test run.<br> 215 <br> 216Args:<br> 217 package: The full package name string of the application for which the<br> 218 profile is to be updated.<br> 219 new_profile_dir: Location where profile to be pushed is stored on the<br> 220 host machine.</tt></dd></dl> 221 222<dl><dt><a name="AndroidPlatformBackend-RemoveProfile"><strong>RemoveProfile</strong></a>(self, package, ignore_list)</dt><dd><tt>Delete application profile on device.<br> 223 <br> 224Args:<br> 225 package: The full package name string of the application for which the<br> 226 profile is to be deleted.<br> 227 ignore_list: List of files to keep.</tt></dd></dl> 228 229<dl><dt><a name="AndroidPlatformBackend-RemoveTestCa"><strong>RemoveTestCa</strong></a>(self)</dt><dd><tt>Remove root CA generated by previous call to <a href="#AndroidPlatformBackend-InstallTestCa">InstallTestCa</a>().<br> 230 <br> 231Removes the test root certificate from both the device and host machine.</tt></dd></dl> 232 233<dl><dt><a name="AndroidPlatformBackend-RunCommand"><strong>RunCommand</strong></a>(self, command)</dt></dl> 234 235<dl><dt><a name="AndroidPlatformBackend-SetDebugApp"><strong>SetDebugApp</strong></a>(self, package)</dt><dd><tt>Set application to debugging.<br> 236 <br> 237Args:<br> 238 package: The full package name string of the application.</tt></dd></dl> 239 240<dl><dt><a name="AndroidPlatformBackend-SetFullPerformanceModeEnabled"><strong>SetFullPerformanceModeEnabled</strong></a>(self, enabled)</dt></dl> 241 242<dl><dt><a name="AndroidPlatformBackend-SetGraphicsMemoryTrackingEnabled"><strong>SetGraphicsMemoryTrackingEnabled</strong></a>(self, enabled)</dt></dl> 243 244<dl><dt><a name="AndroidPlatformBackend-SetRelaxSslCheck"><strong>SetRelaxSslCheck</strong></a>(self, value)</dt></dl> 245 246<dl><dt><a name="AndroidPlatformBackend-StartDisplayTracing"><strong>StartDisplayTracing</strong></a>(self)</dt></dl> 247 248<dl><dt><a name="AndroidPlatformBackend-StartMonitoringPower"><strong>StartMonitoringPower</strong></a>(self, browser)</dt></dl> 249 250<dl><dt><a name="AndroidPlatformBackend-StartVideoCapture"><strong>StartVideoCapture</strong></a>(self, min_bitrate_mbps)</dt><dd><tt>Starts the video capture at specified bitrate.</tt></dd></dl> 251 252<dl><dt><a name="AndroidPlatformBackend-StopApplication"><strong>StopApplication</strong></a>(self, application)</dt><dd><tt>Stop the given |application|.<br> 253 <br> 254Args:<br> 255 application: The full package name string of the application to stop.</tt></dd></dl> 256 257<dl><dt><a name="AndroidPlatformBackend-StopDisplayTracing"><strong>StopDisplayTracing</strong></a>(self)</dt></dl> 258 259<dl><dt><a name="AndroidPlatformBackend-StopForwardingHost"><strong>StopForwardingHost</strong></a>(self, host_port)</dt></dl> 260 261<dl><dt><a name="AndroidPlatformBackend-StopMonitoringPower"><strong>StopMonitoringPower</strong></a>(self)</dt></dl> 262 263<dl><dt><a name="AndroidPlatformBackend-StopVideoCapture"><strong>StopVideoCapture</strong></a>(self)</dt></dl> 264 265<dl><dt><a name="AndroidPlatformBackend-TakeScreenshot"><strong>TakeScreenshot</strong></a>(self, file_path)</dt></dl> 266 267<dl><dt><a name="AndroidPlatformBackend-__init__"><strong>__init__</strong></a>(self, device, finder_options)</dt></dl> 268 269<hr> 270Class methods defined here:<br> 271<dl><dt><a name="AndroidPlatformBackend-CreatePlatformForDevice"><strong>CreatePlatformForDevice</strong></a>(cls, device, finder_options)<font color="#909090"><font face="helvetica, arial"> from <a href="__builtin__.html#type">__builtin__.type</a></font></font></dt></dl> 272 273<dl><dt><a name="AndroidPlatformBackend-SupportsDevice"><strong>SupportsDevice</strong></a>(cls, device)<font color="#909090"><font face="helvetica, arial"> from <a href="__builtin__.html#type">__builtin__.type</a></font></font></dt></dl> 274 275<hr> 276Static methods defined here:<br> 277<dl><dt><a name="AndroidPlatformBackend-ParseCStateSample"><strong>ParseCStateSample</strong></a>(sample)</dt></dl> 278 279<hr> 280Data descriptors defined here:<br> 281<dl><dt><strong>device</strong></dt> 282</dl> 283<dl><dt><strong>forwarder_factory</strong></dt> 284</dl> 285<dl><dt><strong>is_test_ca_installed</strong></dt> 286</dl> 287<dl><dt><strong>is_video_capture_running</strong></dt> 288</dl> 289<dl><dt><strong>log_file_path</strong></dt> 290</dl> 291<dl><dt><strong>use_rndis_forwarder</strong></dt> 292</dl> 293<dl><dt><strong>wpr_ca_cert_path</strong></dt> 294<dd><tt>Path to root certificate installed on browser (or None).<br> 295 <br> 296If this is set, web page replay will use it to sign HTTPS responses.</tt></dd> 297</dl> 298<hr> 299Methods inherited from <a href="telemetry.internal.platform.linux_based_platform_backend.html#LinuxBasedPlatformBackend">telemetry.internal.platform.linux_based_platform_backend.LinuxBasedPlatformBackend</a>:<br> 300<dl><dt><a name="AndroidPlatformBackend-GetClockTicks"><strong>GetClockTicks</strong></a>(*args, **kwargs)</dt><dd><tt>Returns the number of clock ticks per second.<br> 301 <br> 302The proper way is to call os.sysconf('SC_CLK_TCK') but that is not easy to<br> 303do on Android/CrOS. In practice, nearly all Linux machines have a USER_HZ<br> 304of 100, so just return that.</tt></dd></dl> 305 306<dl><dt><a name="AndroidPlatformBackend-GetSystemCommitCharge"><strong>GetSystemCommitCharge</strong></a>(self)</dt><dd><tt># Get the commit charge in kB.</tt></dd></dl> 307 308<dl><dt><a name="AndroidPlatformBackend-GetSystemTotalPhysicalMemory"><strong>GetSystemTotalPhysicalMemory</strong></a>(*args, **kwargs)</dt></dl> 309 310<hr> 311Methods inherited from <a href="telemetry.internal.platform.platform_backend.html#PlatformBackend">telemetry.internal.platform.platform_backend.PlatformBackend</a>:<br> 312<dl><dt><a name="AndroidPlatformBackend-CanMeasurePerApplicationPower"><strong>CanMeasurePerApplicationPower</strong></a>(self)</dt></dl> 313 314<dl><dt><a name="AndroidPlatformBackend-CooperativelyShutdown"><strong>CooperativelyShutdown</strong></a>(self, proc, app_name)</dt><dd><tt>Cooperatively shut down the given process from subprocess.Popen.<br> 315 <br> 316Currently this is only implemented on Windows. See<br> 317crbug.com/424024 for background on why it was added.<br> 318 <br> 319Args:<br> 320 proc: a process object returned from subprocess.Popen.<br> 321 app_name: on Windows, is the prefix of the application's window<br> 322 class name that should be searched for. This helps ensure<br> 323 that only the application's windows are closed.<br> 324 <br> 325Returns True if it is believed the attempt succeeded.</tt></dd></dl> 326 327<dl><dt><a name="AndroidPlatformBackend-DidCreateBrowser"><strong>DidCreateBrowser</strong></a>(self, browser, browser_backend)</dt></dl> 328 329<dl><dt><a name="AndroidPlatformBackend-DidStartBrowser"><strong>DidStartBrowser</strong></a>(self, browser, browser_backend)</dt></dl> 330 331<dl><dt><a name="AndroidPlatformBackend-GetRemotePort"><strong>GetRemotePort</strong></a>(self, port)</dt></dl> 332 333<dl><dt><a name="AndroidPlatformBackend-InitPlatformBackend"><strong>InitPlatformBackend</strong></a>(self)</dt></dl> 334 335<dl><dt><a name="AndroidPlatformBackend-IsCooperativeShutdownSupported"><strong>IsCooperativeShutdownSupported</strong></a>(self)</dt><dd><tt>Indicates whether CooperativelyShutdown, below, is supported.<br> 336It is not necessary to implement it on all platforms.</tt></dd></dl> 337 338<dl><dt><a name="AndroidPlatformBackend-ReadMsr"><strong>ReadMsr</strong></a>(self, msr_number, start<font color="#909090">=0</font>, length<font color="#909090">=64</font>)</dt><dd><tt>Read a CPU model-specific register (MSR).<br> 339 <br> 340Which MSRs are available depends on the CPU model.<br> 341On systems with multiple CPUs, this function may run on any CPU.<br> 342 <br> 343Args:<br> 344 msr_number: The number of the register to read.<br> 345 start: The least significant bit to read, zero-indexed.<br> 346 (Said another way, the number of bits to right-shift the MSR value.)<br> 347 length: The number of bits to read. MSRs are 64 bits, even on 32-bit CPUs.</tt></dd></dl> 348 349<dl><dt><a name="AndroidPlatformBackend-SetPlatform"><strong>SetPlatform</strong></a>(self, platform)</dt></dl> 350 351<dl><dt><a name="AndroidPlatformBackend-WillCloseBrowser"><strong>WillCloseBrowser</strong></a>(self, browser, browser_backend)</dt></dl> 352 353<hr> 354Class methods inherited from <a href="telemetry.internal.platform.platform_backend.html#PlatformBackend">telemetry.internal.platform.platform_backend.PlatformBackend</a>:<br> 355<dl><dt><a name="AndroidPlatformBackend-IsPlatformBackendForHost"><strong>IsPlatformBackendForHost</strong></a>(cls)<font color="#909090"><font face="helvetica, arial"> from <a href="__builtin__.html#type">__builtin__.type</a></font></font></dt><dd><tt>Returns whether this platform backend is the platform backend to be used<br> 356for the host device which telemetry is running on.</tt></dd></dl> 357 358<hr> 359Data descriptors inherited from <a href="telemetry.internal.platform.platform_backend.html#PlatformBackend">telemetry.internal.platform.platform_backend.PlatformBackend</a>:<br> 360<dl><dt><strong>__dict__</strong></dt> 361<dd><tt>dictionary for instance variables (if defined)</tt></dd> 362</dl> 363<dl><dt><strong>__weakref__</strong></dt> 364<dd><tt>list of weak references to the object (if defined)</tt></dd> 365</dl> 366<dl><dt><strong>is_host_platform</strong></dt> 367</dl> 368<dl><dt><strong>network_controller_backend</strong></dt> 369</dl> 370<dl><dt><strong>platform</strong></dt> 371</dl> 372<dl><dt><strong>running_browser_backends</strong></dt> 373</dl> 374<dl><dt><strong>tracing_controller_backend</strong></dt> 375</dl> 376<dl><dt><strong>wpr_http_device_port</strong></dt> 377</dl> 378<dl><dt><strong>wpr_https_device_port</strong></dt> 379</dl> 380</td></tr></table></td></tr></table> 381</body></html>