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
6from _hardware import HardwareException, Expectation
7from _hardware_android import HardwareAndroid
8
9CPU_CLOCK_RATE = 1728000
10GPU_CLOCK_RATE = 510000000
11
12class 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