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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 = 1728000
- GPU_CLOCK_RATE = 510000000
- class HardwareNexus6P(HardwareAndroid):
- def __init__(self, adb):
- HardwareAndroid.__init__(self, adb)
- def __enter__(self):
- HardwareAndroid.__enter__(self)
- if not self._adb.is_root():
- return self
- # enable and lock 3 of 4 big cores.
- self._adb.shell('''\
- 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$N/cpufreq/scaling_setspeed
- done''' % tuple(CPU_CLOCK_RATE for _ in range(3)))
- # turn off all other cores
- self._adb.shell('''\
- for N in 0 1 2 3 7; do
- echo 0 > /sys/devices/system/cpu/cpu$N/online
- done''')
- # gpu/ddr perf commands from
- # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf
- self._adb.shell('''\
- echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split
- echo 1 > /sys/class/kgsl/kgsl-3d0/force_bus_on
- echo 1 > /sys/class/kgsl/kgsl-3d0/force_rail_on
- echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
- echo 1000000 > /sys/class/kgsl/kgsl-3d0/idle_timer
- 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
- echo %i > /sys/class/kgsl/kgsl-3d0/gpuclk''' %
- tuple(GPU_CLOCK_RATE for _ in range(3)))
- # ddr perf commands from
- # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf
- self._adb.shell('''\
- echo performance > /sys/class/devfreq/qcom,cpubw.32/governor
- echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq
- echo 9887 > /sys/class/devfreq/qcom,cpubw.32/min_freq
- echo performance > /sys/class/devfreq/qcom,gpubw.70/governor
- echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq
- echo 9887 > /sys/class/devfreq/qcom,gpubw.70/min_freq''')
- return self
- def sanity_check(self):
- HardwareAndroid.sanity_check(self)
- if not self._adb.is_root():
- return
- result = self._adb.check('''\
- cat /sys/class/power_supply/battery/capacity \
- /sys/devices/system/cpu/online \
- /sys/class/thermal/thermal_zone14/temp \
- /sys/class/thermal/thermal_zone15/temp \
- /sys/kernel/debug/clk/oxili_gfx3d_clk/measure \
- /sys/kernel/debug/clk/bimc_clk/measure
- for N in 4 5 6; do
- cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq
- done''')
- expectations = \
- [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
- Expectation(str, exact_value='4-6', name='online cpus'),
- Expectation(int, max_value=88, name='tsens_tz_sensor13'),
- Expectation(int, max_value=88, name='tsens_tz_sensor14'),
- Expectation(long, min_value=(GPU_CLOCK_RATE - 5000),
- max_value=(GPU_CLOCK_RATE + 5000), name='gpu clock rate'),
- Expectation(long, min_value=647995000, max_value=648007500,
- name='ddr clock rate', sleeptime=10)] + \
- [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
- for i in range(4, 7)]
- Expectation.check_all(expectations, result.splitlines())
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