tools.skpbench._hardware_pixel2.HardwarePixel2 Class Reference

Inheritance diagram for tools.skpbench._hardware_pixel2.HardwarePixel2:

Public Member Functions
	__init__ (self, adb)
	__enter__ (self)
	sanity_check (self)
Public Member Functions inherited from tools.skpbench._hardware_android.HardwareAndroid
	__exit__ (self, exception_type, exception_value, traceback)
	print_debug_diagnostics (self)
	setDesiredClock (self, c)
	lock_top_three_cores (self)
	lock_adreno_gpu (self)
Public Member Functions inherited from tools.skpbench._hardware.Hardware
	filter_line (self, line)

Additional Inherited Members
Public Attributes inherited from tools.skpbench._hardware_android.HardwareAndroid
	warmup_time
	desiredClock
Public Attributes inherited from tools.skpbench._hardware.Hardware
	warmup_time
Protected Attributes inherited from tools.skpbench._hardware_android.HardwareAndroid
	_adb

Detailed Description

Definition at line 14 of file _hardware_pixel2.py.

Constructor & Destructor Documentation

__init__()

tools.skpbench._hardware_pixel2.HardwarePixel2.__init__	(		self,
			adb
	)

Reimplemented from tools.skpbench._hardware_android.HardwareAndroid.

Definition at line 15 of file _hardware_pixel2.py.

  def __init__(self, adb):
    HardwareAndroid.__init__(self, adb)
 

Member Function Documentation

__enter__()

tools.skpbench._hardware_pixel2.HardwarePixel2.__enter__

(

self

)

Reimplemented from tools.skpbench._hardware_android.HardwareAndroid.

Definition at line 18 of file _hardware_pixel2.py.

  def __enter__(self):
    HardwareAndroid.__enter__(self)
    if not self._adb.is_root():
      return self
 
    self._adb.shell('\n'.join([
      '''
      stop thermal-engine
      stop perfd''',
 
      # turn off the slow cores and one fast core
      '''
      for N in 0 1 2 3 7; do
        echo 0 > /sys/devices/system/cpu/cpu$N/online
      done''',
 
      # lock 3 fast cores: two for Skia and one for the OS
      '''
      for N in 4 5 6; do
        echo 1 > /sys/devices/system/cpu/cpu$N/online
        echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor
        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq
        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq
        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed
      done''' % tuple(CPU_CLOCK_RATE for _ in range(3)),
 
      # Set GPU bus and idle timer
      '''
      echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split''',
      # csmartdalton, 4-26-2018: this line hangs my device
      # echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
      '''
      echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer''',
 
      # Set mem frequency to max
      '''
      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/min_freq
      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/max_freq
      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/min_freq
      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/max_freq
      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/min_freq
      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/max_freq
      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/min_freq
      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/max_freq''' %
      tuple(MEM_CLOCK_RATE for _ in range(8)),
 
      # Set GPU to performance mode
      '''
      echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq''' %
      tuple(GPU_CLOCK_RATE for _ in range(2)),
 
      # Set GPU power level
      '''
      echo %i > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
      echo %i > /sys/class/kgsl/kgsl-3d0/min_pwrlevel''' %
      tuple(GPU_POWER_LEVEL for _ in range(2))]))
 
    assert('msm_therm' == self._adb.check(\
                          'cat /sys/class/thermal/thermal_zone10/type').strip())
    assert('pm8998_tz' == self._adb.check(\
                          'cat /sys/class/thermal/thermal_zone7/type').strip())
 
    return self
 

sanity_check()

tools.skpbench._hardware_pixel2.HardwarePixel2.sanity_check

(

self

)

Raises a HardwareException if any hardware state is not as expected.

Reimplemented from tools.skpbench._hardware_android.HardwareAndroid.

Definition at line 84 of file _hardware_pixel2.py.

  def sanity_check(self):
    HardwareAndroid.sanity_check(self)
 
    if not self._adb.is_root():
      return
 
    result = self._adb.check(' '.join(
      ['cat',
       '/sys/class/power_supply/battery/capacity',
       '/sys/devices/system/cpu/online'] + \
      ['/sys/devices/system/cpu/cpu%i/cpufreq/scaling_cur_freq' % i
       for i in range(4, 7)] + \
      # Unfortunately we can't monitor the gpu clock:
      #
      #   /sys/class/kgsl/kgsl-3d0/devfreq/cur_freq
      #
      # It doesn't respect the min_freq/max_freq values when not under load.
      ['/sys/kernel/debug/clk/bimc_clk/measure',
       '/sys/class/kgsl/kgsl-3d0/temp',
       '/sys/class/kgsl/kgsl-3d0/throttling',
       '/sys/class/thermal/thermal_zone10/temp',
       '/sys/class/thermal/thermal_zone7/temp']))
 
    expectations = \
      [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
       Expectation(str, exact_value='4-6', name='online cpus')] + \
      [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
       for i in range(4, 7)] + \
      [Expectation(long, min_value=902390000, max_value=902409999,
                   name='measured ddr clock', sleeptime=10),
       Expectation(int, max_value=750, name='gpu temperature'),
       Expectation(int, exact_value=1, name='gpu throttling'),
       Expectation(int, max_value=75, name='msm_therm temperature'),
       Expectation(int, max_value=75000, name='pm8998_tz temperature')]
 
    Expectation.check_all(expectations, result.splitlines())

---

The documentation for this class was generated from the following file:

• third_party/skia/tools/skpbench/_hardware_pixel2.py