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- Method resolution order:
- IosPlatformBackend
- telemetry.internal.platform.posix_platform_backend.PosixPlatformBackend
- telemetry.internal.platform.desktop_platform_backend.DesktopPlatformBackend
- telemetry.internal.platform.platform_backend.PlatformBackend
- __builtin__.object
Methods defined here:
- CanMonitorPower(self)
- CanMonitorThermalThrottling(self)
- FlushDnsCache(self)
- FlushEntireSystemCache(self)
- GetOSName(self)
- GetOSVersionName(self)
- GetSystemTotalPhysicalMemory(self)
- HasBeenThermallyThrottled(self)
- InstallApplication(self, application)
- IsThermallyThrottled(self)
- SetFullPerformanceModeEnabled(self, enabled)
- StartMonitoringPower(self, browser)
- StopMonitoringPower(self)
- StopVideoCapture(self)
- __init__(self)
Methods inherited from telemetry.internal.platform.posix_platform_backend.PosixPlatformBackend:
- CanLaunchApplication(self, application)
- GetChildPids(self, pid)
- Returns a list of child pids of |pid|.
- GetCommandLine(self, pid)
- GetFileContents(self, path)
- GetPsOutput(self, columns, pid=None)
- Returns output of the 'ps' command as a list of lines.
Subclass should override this function.
Args:
columns: A list of require columns, e.g., ['pid', 'pss'].
pid: If not None, returns only the information of the process
with the pid.
- IsApplicationRunning(self, application)
- LaunchApplication(self, application, parameters=None, elevate_privilege=False)
- RunCommand(self, args)
Methods inherited from telemetry.internal.platform.desktop_platform_backend.DesktopPlatformBackend:
- FlushSystemCacheForDirectory(self, directory)
- GetDeviceTypeName(self)
Methods inherited from telemetry.internal.platform.platform_backend.PlatformBackend:
- CanCaptureVideo(self)
- CanFlushIndividualFilesFromSystemCache(self)
- CanMeasurePerApplicationPower(self)
- CanMonitorNetworkData(self)
- CanTakeScreenshot(self)
- CooperativelyShutdown(self, proc, app_name)
- Cooperatively shut down the given process from subprocess.Popen.
Currently this is only implemented on Windows. See
crbug.com/424024 for background on why it was added.
Args:
proc: a process object returned from subprocess.Popen.
app_name: on Windows, is the prefix of the application's window
class name that should be searched for. This helps ensure
that only the application's windows are closed.
Returns True if it is believed the attempt succeeded.
- DidCreateBrowser(self, browser, browser_backend)
- DidStartBrowser(self, browser, browser_backend)
- GetArchName(self)
- GetCpuStats(self, pid)
- GetCpuTimestamp(self)
- GetMemoryStats(self, pid)
- GetNetworkData(self, browser)
- GetRemotePort(self, port)
- GetSystemCommitCharge(self)
- InitPlatformBackend(self)
- IsCooperativeShutdownSupported(self)
- Indicates whether CooperativelyShutdown, below, is supported.
It is not necessary to implement it on all platforms.
- IsDisplayTracingSupported(self)
- PathExists(self, path, timeout=None, retries=None)
- Tests whether the given path exists on the target platform.
Args:
path: path in request.
timeout: timeout.
retries: num of retries.
Return:
Whether the path exists on the target platform.
- PurgeUnpinnedMemory(self)
- ReadMsr(self, msr_number, start=0, length=64)
- Read a CPU model-specific register (MSR).
Which MSRs are available depends on the CPU model.
On systems with multiple CPUs, this function may run on any CPU.
Args:
msr_number: The number of the register to read.
start: The least significant bit to read, zero-indexed.
(Said another way, the number of bits to right-shift the MSR value.)
length: The number of bits to read. MSRs are 64 bits, even on 32-bit CPUs.
- SetPlatform(self, platform)
- StartDisplayTracing(self)
- Start gathering a trace with frame timestamps close to physical
display.
- StartVideoCapture(self, min_bitrate_mbps)
- StopDisplayTracing(self)
- Stop gathering a trace with frame timestamps close to physical display.
Returns a raw tracing events that contains the timestamps of physical
display.
- TakeScreenshot(self, file_path)
- WillCloseBrowser(self, browser, browser_backend)
Class methods inherited from telemetry.internal.platform.platform_backend.PlatformBackend:
- CreatePlatformForDevice(cls, device, finder_options) from __builtin__.type
- IsPlatformBackendForHost(cls) from __builtin__.type
- Returns whether this platform backend is the platform backend to be used
for the host device which telemetry is running on.
- SupportsDevice(cls, device) from __builtin__.type
- Returns whether this platform backend supports intialization from the
device.
Data descriptors inherited from telemetry.internal.platform.platform_backend.PlatformBackend:
- __dict__
- dictionary for instance variables (if defined)
- __weakref__
- list of weak references to the object (if defined)
- forwarder_factory
- is_host_platform
- is_video_capture_running
- network_controller_backend
- platform
- running_browser_backends
- tracing_controller_backend
- wpr_ca_cert_path
- wpr_http_device_port
- wpr_https_device_port
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