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- # Copyright 2016 Google Inc.
- #
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- from _hardware import HardwareException, Expectation
- from _hardware_android import HardwareAndroid
- CPU_CLOCK_RATE = 1326000
- # If you run adb cat /sys/devices/57000000.gpu/pstate it shows all
- # possible configurations, with a * next to the current one.
- GPU_EMC_PROFILE = '04: core 307 MHz emc 1065 MHz a A d D *'
- GPU_EMC_PROFILE_ID = '04'
- class HardwarePixelC(HardwareAndroid):
- def __init__(self, adb):
- HardwareAndroid.__init__(self, adb)
- def __enter__(self):
- HardwareAndroid.__enter__(self)
- if not self._adb.is_root():
- return self
- self._adb.shell('\n'.join([
- # pylint: disable=line-too-long
- # Based on https://android.googlesource.com/platform/frameworks/base/+/master/libs/hwui/tests/scripts/prep_ryu.sh
- # All CPUs have the same scaling settings, so we only need to set it once
- '''
- stop thermal-engine
- stop perfd
- echo userspace > /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor
- echo %i > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
- echo %i > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
- echo %i > /sys/devices/system/cpu/cpu0/cpufreq/scaling_setspeed
- ''' % tuple(CPU_CLOCK_RATE for _ in range(3)),
- # turn off the fourth core. This will hopefully produce less heat, allowing
- # for more consistent results. 3 cores should be enough to run Ganesh,
- # the graphics driver, and the OS.
- '''
- echo 0 > /sys/devices/system/cpu/cpu3/online''',
- # lock gpu/emc clocks.
- '''
- chown root:root /sys/devices/57000000.gpu/pstate
- echo %s > /sys/devices/57000000.gpu/pstate''' % GPU_EMC_PROFILE_ID]))
- return self
- def filter_line(self, line):
- JUNK = ['NvRmPrivGetChipPlatform: Could not read platform information',
- 'Expected on kernels without fuse support, using silicon']
- return False if line in JUNK else HardwareAndroid.filter_line(self, line)
- def sanity_check(self):
- HardwareAndroid.sanity_check(self)
- if not self._adb.is_root():
- return
- # only issue one shell command in an attempt to minimize interference.
- result = self._adb.check('''\
- cat /sys/class/power_supply/bq27742-0/capacity \
- /sys/devices/system/cpu/online \
- /sys/class/thermal/thermal_zone7/temp \
- /sys/class/thermal/thermal_zone0/temp \
- /sys/class/thermal/thermal_zone1/temp \
- /sys/class/thermal/thermal_zone7/cdev1/cur_state \
- /sys/class/thermal/thermal_zone7/cdev0/cur_state
- for N in 0 1 2; do
- cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq
- done
- cat /sys/devices/57000000.gpu/pstate | grep \*$''')
- expectations = \
- [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
- Expectation(str, exact_value='0-2', name='online cpus'),
- Expectation(int, max_value=40000, name='skin temperature'),
- Expectation(int, max_value=86000, name='cpu temperature'),
- Expectation(int, max_value=87000, name='gpu temperature'),
- Expectation(int, exact_value=0, name='cpu throttle'),
- Expectation(int, exact_value=0, name='gpu throttle')] + \
- [Expectation(int, exact_value=CPU_CLOCK_RATE,
- name='cpu_%i clock rate' % i, sleeptime=30)
- for i in (0, 1, 2)] + \
- [Expectation(str, exact_value=GPU_EMC_PROFILE, name='gpu/emc profile')]
- Expectation.check_all(expectations, result.splitlines())
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