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