1 # Copyright 2016 Google Inc. 2 # 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 from _hardware import HardwareException, Expectation 7 from _hardware_android import HardwareAndroid 8 9 CPU_CLOCK_RATE = 1728000 10 GPU_CLOCK_RATE = 510000000 11 12 class HardwareNexus6P(HardwareAndroid): 13 def __init__(self, adb): 14 HardwareAndroid.__init__(self, adb) 15 16 def __enter__(self): 17 HardwareAndroid.__enter__(self) 18 if not self._adb.is_root(): 19 return self 20 21 self._adb.shell('''\ 22 stop thermal-engine 23 stop thermald 24 stop perfd 25 stop mpdecision''') 26 27 # enable and lock 3 of 4 big cores. 28 self._adb.shell('''\ 29 for N in 4 5 6; do 30 echo 1 > /sys/devices/system/cpu/cpu$N/online 31 echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor 32 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq 33 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq 34 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed 35 done''' % tuple(CPU_CLOCK_RATE for _ in range(3))) 36 37 # turn off all other cores 38 self._adb.shell('''\ 39 for N in 0 1 2 3 7; do 40 echo 0 > /sys/devices/system/cpu/cpu$N/online 41 done''') 42 43 # gpu/ddr perf commands from 44 # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf 45 self._adb.shell('''\ 46 echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split 47 echo 1 > /sys/class/kgsl/kgsl-3d0/force_bus_on 48 echo 1 > /sys/class/kgsl/kgsl-3d0/force_rail_on 49 echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on 50 echo 1000000 > /sys/class/kgsl/kgsl-3d0/idle_timer 51 echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor 52 echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq 53 echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq 54 echo %i > /sys/class/kgsl/kgsl-3d0/gpuclk''' % 55 tuple(GPU_CLOCK_RATE for _ in range(3))) 56 57 # ddr perf commands from 58 # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf 59 self._adb.shell('''\ 60 echo performance > /sys/class/devfreq/qcom,cpubw.32/governor 61 echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq 62 echo 9887 > /sys/class/devfreq/qcom,cpubw.32/min_freq 63 echo performance > /sys/class/devfreq/qcom,gpubw.70/governor 64 echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq 65 echo 9887 > /sys/class/devfreq/qcom,gpubw.70/min_freq''') 66 67 return self 68 69 def sanity_check(self): 70 HardwareAndroid.sanity_check(self) 71 72 if not self._adb.is_root(): 73 return 74 75 result = self._adb.check('''\ 76 cat /sys/class/power_supply/battery/capacity \ 77 /sys/devices/system/cpu/online \ 78 /sys/class/thermal/thermal_zone14/temp \ 79 /sys/class/thermal/thermal_zone15/temp \ 80 /sys/kernel/debug/clk/oxili_gfx3d_clk/measure \ 81 /sys/kernel/debug/clk/bimc_clk/measure 82 for N in 4 5 6; do 83 cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq 84 done''') 85 86 expectations = \ 87 [Expectation(int, min_value=30, name='battery', sleeptime=30*60), 88 Expectation(str, exact_value='4-6', name='online cpus'), 89 Expectation(int, max_value=88, name='tsens_tz_sensor13'), 90 Expectation(int, max_value=88, name='tsens_tz_sensor14'), 91 Expectation(long, min_value=(GPU_CLOCK_RATE - 5000), 92 max_value=(GPU_CLOCK_RATE + 5000), name='gpu clock rate'), 93 Expectation(long, min_value=647995000, max_value=648007500, 94 name='ddr clock rate', sleeptime=10)] + \ 95 [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i) 96 for i in range(4, 7)] 97 98 Expectation.check_all(expectations, result.splitlines()) 99
