BUG=catapult:#

telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor.py

Index: telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor.py
diff --git a/telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor.py b/telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor.py
deleted file mode 100644
index dfb61a08486562d21dbbbe4b324245c189f318cb..0000000000000000000000000000000000000000
--- a/telemetry/telemetry/internal/platform/power_monitor/msr_power_monitor.py
+++ /dev/null
@@ -1,118 +0,0 @@
-# Copyright 2014 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-import logging
-import platform
-import re
-
-from telemetry import decorators
-from telemetry.internal.platform import power_monitor
-
-
-MSR_RAPL_POWER_UNIT = 0x606
-MSR_PKG_ENERGY_STATUS = 0x611  # Whole package
-MSR_PP0_ENERGY_STATUS = 0x639  # Core
-MSR_PP1_ENERGY_STATUS = 0x641  # Uncore
-MSR_DRAM_ENERGY_STATUS = 0x619
-IA32_PACKAGE_THERM_STATUS = 0x1b1
-IA32_TEMPERATURE_TARGET = 0x1a2
-
-
-def _JoulesToMilliwattHours(value_joules):
-  return value_joules * 1000 / 3600.
-
-
-def _IsSandyBridgeOrLater(vendor, family, model):
-  # Model numbers from:
-  # https://software.intel.com/en-us/articles/intel-architecture-and-processor-identification-with-cpuid-model-and-family-numbers
-  # http://www.speedtraq.com
-  return ('Intel' in vendor and family == 6 and
-          (model in (0x2A, 0x2D) or model >= 0x30))
-
-
-class MsrPowerMonitor(power_monitor.PowerMonitor):
-  def __init__(self, backend):
-    super(MsrPowerMonitor, self).__init__()
-    self._backend = backend
-    self._start_energy_j = None
-    self._start_temp_c = None
-
-  def CanMonitorPower(self):
-    raise NotImplementedError()
-
-  def StartMonitoringPower(self, browser):
-    self._CheckStart()
-    self._start_energy_j = self._PackageEnergyJoules()
-    self._start_temp_c = self._TemperatureCelsius()
-
-  def StopMonitoringPower(self):
-    self._CheckStop()
-    energy_consumption_j = self._PackageEnergyJoules() - self._start_energy_j
-    average_temp_c = (self._TemperatureCelsius() + self._start_temp_c) / 2.
-    if energy_consumption_j < 0:  # Correct overflow.
-      # The energy portion of the MSR is 4 bytes.
-      energy_consumption_j += 2 ** 32 * self._EnergyMultiplier()
-
-    self._start_energy_j = None
-    self._start_temp_c = None
-
-    return {
-        'identifier': 'msr',
-        'energy_consumption_mwh': _JoulesToMilliwattHours(energy_consumption_j),
-        'platform_info': {
-            'average_temperature_c': average_temp_c,
-        },
-    }
-
-  @decorators.Cache
-  def _EnergyMultiplier(self):
-    return 0.5 ** self._backend.ReadMsr(MSR_RAPL_POWER_UNIT, 8, 5)
-
-  def _PackageEnergyJoules(self):
-    return (self._backend.ReadMsr(MSR_PKG_ENERGY_STATUS, 0, 32) *
-            self._EnergyMultiplier())
-
-  def _TemperatureCelsius(self):
-    tcc_activation_temp = self._backend.ReadMsr(IA32_TEMPERATURE_TARGET, 16, 7)
-    if tcc_activation_temp <= 0:
-      tcc_activation_temp = 105
-    package_temp_headroom = self._backend.ReadMsr(
-        IA32_PACKAGE_THERM_STATUS, 16, 7)
-    return tcc_activation_temp - package_temp_headroom
-
-  def _CheckMSRs(self):
-    try:
-      if self._PackageEnergyJoules() <= 0:
-        logging.info('Cannot monitor power: no energy readings.')
-        return False
-
-      if self._TemperatureCelsius() <= 0:
-        logging.info('Cannot monitor power: no temperature readings.')
-        return False
-    except OSError as e:
-      logging.info('Cannot monitor power: %s' % e)
-      return False
-    return True
-
-
-class MsrPowerMonitorWin(MsrPowerMonitor):
-  def CanMonitorPower(self):
-    family, model = map(int, re.match(
-        '.+ Family ([0-9]+) Model ([0-9]+)',
-        platform.processor()).groups())
-    if not _IsSandyBridgeOrLater(platform.processor(), family, model):
-      logging.info('Cannot monitor power: pre-Sandy Bridge CPU.')
-      return False
-
-    try:
-      return self._CheckMSRs()
-    finally:
-      # Since _CheckMSRs() starts the MSR server on win platform, we must close
-      # it after checking to avoid leaking msr server process.
-      self._backend.CloseMsrServer()
-
-  def StopMonitoringPower(self):
-    power_statistics = super(MsrPowerMonitorWin, self).StopMonitoringPower()
-    self._backend.CloseMsrServer()
-    return power_statistics