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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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