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 self._lock_clocks() 18 return HardwareAndroid.__enter__(self) 19 20 def __exit__(self, exception_type, exception_value, exception_traceback): 21 HardwareAndroid.__exit__(self, exception_type, 22 exception_value, exception_traceback) 23 self._unlock_clocks() 24 25 def _lock_clocks(self): 26 if not self._adb.is_root(): 27 return 28 29 self._adb.shell('''\ 30 stop thermal-engine 31 stop thermald 32 stop perfd 33 stop mpdecision''') 34 35 # enable and lock 3 of 4 big cores. 36 self._adb.shell('''\ 37 for N in 4 5 6; do 38 echo 1 > /sys/devices/system/cpu/cpu$N/online 39 echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor 40 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq 41 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq 42 echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed 43 done''' % tuple(CPU_CLOCK_RATE for _ in range(3))) 44 45 # turn off all other cores 46 self._adb.shell('''\ 47 for N in 0 1 2 3 7; do 48 echo 0 > /sys/devices/system/cpu/cpu$N/online 49 done''') 50 51 # gpu/ddr perf commands from 52 # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf 53 self._adb.shell('''\ 54 echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split 55 echo 1 > /sys/class/kgsl/kgsl-3d0/force_bus_on 56 echo 1 > /sys/class/kgsl/kgsl-3d0/force_rail_on 57 echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on 58 echo 1000000 > /sys/class/kgsl/kgsl-3d0/idle_timer 59 echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor 60 echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq 61 echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq 62 echo %i > /sys/class/kgsl/kgsl-3d0/gpuclk''' % 63 tuple(GPU_CLOCK_RATE for _ in range(3))) 64 65 # ddr perf commands from 66 # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf 67 self._adb.shell('''\ 68 echo performance > /sys/class/devfreq/qcom,cpubw.32/governor 69 echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq 70 echo 9887 > /sys/class/devfreq/qcom,cpubw.32/min_freq 71 echo performance > /sys/class/devfreq/qcom,gpubw.70/governor 72 echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq 73 echo 9887 > /sys/class/devfreq/qcom,gpubw.70/min_freq''') 74 75 def _unlock_clocks(self): 76 if not self._adb.is_root(): 77 return 78 79 # restore ddr settings to default. 80 self._adb.shell('''\ 81 echo 1525 > /sys/class/devfreq/qcom,cpubw.32/min_freq 82 echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq 83 echo bw_hwmon > /sys/class/devfreq/qcom,cpubw.32/governor 84 echo 1525 > /sys/class/devfreq/qcom,gpubw.70/min_freq 85 echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq 86 echo bw_hwmon > /sys/class/devfreq/qcom,gpubw.70/governor''') 87 88 # restore gpu settings to default. 89 self._adb.shell('''\ 90 echo 180000000 > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq 91 echo 600000000 > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq 92 echo 180000000 > /sys/class/kgsl/kgsl-3d0/gpuclk 93 echo msm-adreno-tz > /sys/class/kgsl/kgsl-3d0/devfreq/governor 94 echo 0 > /sys/class/kgsl/kgsl-3d0/idle_timer 95 echo 0 > /sys/class/kgsl/kgsl-3d0/force_clk_on 96 echo 0 > /sys/class/kgsl/kgsl-3d0/force_rail_on 97 echo 0 > /sys/class/kgsl/kgsl-3d0/force_bus_on 98 echo 1 > /sys/class/kgsl/kgsl-3d0/bus_split''') 99 100 # turn the disabled cores back on. 101 self._adb.shell('''\ 102 for N in 7 3 2 1 0; do 103 echo 1 > /sys/devices/system/cpu/cpu$N/online 104 done''') 105 106 # unlock the 3 enabled big cores. 107 self._adb.shell('''\ 108 for N in 6 5 4; do 109 echo 633600 > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq 110 echo 1958400 > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq 111 echo 0 > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed 112 echo interactive > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor 113 done''') 114 115 self._adb.shell('''\ 116 start mpdecision 117 start perfd 118 start thermald 119 start thermal-engine''') 120 121 def sanity_check(self): 122 HardwareAndroid.sanity_check(self) 123 124 if not self._adb.is_root(): 125 return 126 127 result = self._adb.check('''\ 128 cat /sys/class/power_supply/battery/capacity \ 129 /sys/devices/system/cpu/online \ 130 /sys/class/thermal/thermal_zone14/temp \ 131 /sys/class/thermal/thermal_zone15/temp \ 132 /sys/kernel/debug/clk/oxili_gfx3d_clk/measure \ 133 /sys/kernel/debug/clk/bimc_clk/measure 134 for N in 4 5 6; do 135 cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq 136 done''') 137 138 expectations = \ 139 [Expectation(int, min_value=30, name='battery', sleeptime=30*60), 140 Expectation(str, exact_value='4-6', name='online cpus'), 141 Expectation(int, max_value=88, name='tsens_tz_sensor13'), 142 Expectation(int, max_value=88, name='tsens_tz_sensor14'), 143 Expectation(long, min_value=(GPU_CLOCK_RATE - 5000), 144 max_value=(GPU_CLOCK_RATE + 5000), name='gpu clock rate'), 145 Expectation(long, min_value=647995000, max_value=648007500, 146 name='ddr clock rate', sleeptime=10)] + \ 147 [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i) 148 for i in range(4, 7)] 149 150 Expectation.check_all(expectations, result.splitlines()) 151 152 def sleep(self, sleeptime): 153 self._unlock_clocks() 154 HardwareAndroid.sleep(self, sleeptime) 155 self._lock_clocks() 156
