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1# Copyright 2018 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 Expectation
7from _hardware_android import HardwareAndroid
8
9CPU_CLOCK_RATE = 2035200
10MEM_CLOCK_RATE = 13763
11GPU_CLOCK_RATE = 670000000
12GPU_POWER_LEVEL = 1  # lower is faster, minimum is 0
13
14class HardwarePixel2(HardwareAndroid):
15  def __init__(self, adb):
16    HardwareAndroid.__init__(self, adb)
17
18  def __enter__(self):
19    HardwareAndroid.__enter__(self)
20    if not self._adb.is_root():
21      return self
22
23    self._adb.shell('\n'.join([
24      '''
25      stop thermal-engine
26      stop perfd''',
27
28      # turn off the slow cores and one fast core
29      '''
30      for N in 0 1 2 3 7; do
31        echo 0 > /sys/devices/system/cpu/cpu$N/online
32      done''',
33
34      # lock 3 fast cores: two for Skia and one for the OS
35      '''
36      for N in 4 5 6; do
37        echo 1 > /sys/devices/system/cpu/cpu$N/online
38        echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor
39        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq
40        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq
41        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed
42      done''' % tuple(CPU_CLOCK_RATE for _ in range(3)),
43
44      # Set GPU bus and idle timer
45      '''
46      echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split''',
47      # csmartdalton, 4-26-2018: this line hangs my device
48      # echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
49      '''
50      echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer''',
51
52      # Set mem frequency to max
53      '''
54      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/min_freq
55      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/max_freq
56      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/min_freq
57      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/max_freq
58      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/min_freq
59      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/max_freq
60      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/min_freq
61      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/max_freq''' %
62      tuple(MEM_CLOCK_RATE for _ in range(8)),
63
64      # Set GPU to performance mode
65      '''
66      echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
67      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
68      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq''' %
69      tuple(GPU_CLOCK_RATE for _ in range(2)),
70
71      # Set GPU power level
72      '''
73      echo %i > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
74      echo %i > /sys/class/kgsl/kgsl-3d0/min_pwrlevel''' %
75      tuple(GPU_POWER_LEVEL for _ in range(2))]))
76
77    assert('msm_therm' == self._adb.check(\
78                          'cat /sys/class/thermal/thermal_zone10/type').strip())
79    assert('pm8998_tz' == self._adb.check(\
80                          'cat /sys/class/thermal/thermal_zone7/type').strip())
81
82    return self
83
84  def sanity_check(self):
85    HardwareAndroid.sanity_check(self)
86
87    if not self._adb.is_root():
88      return
89
90    result = self._adb.check(' '.join(
91      ['cat',
92       '/sys/class/power_supply/battery/capacity',
93       '/sys/devices/system/cpu/online'] + \
94      ['/sys/devices/system/cpu/cpu%i/cpufreq/scaling_cur_freq' % i
95       for i in range(4, 7)] + \
96      # Unfortunately we can't monitor the gpu clock:
97      #
98      #   /sys/class/kgsl/kgsl-3d0/devfreq/cur_freq
99      #
100      # It doesn't respect the min_freq/max_freq values when not under load.
101      ['/sys/kernel/debug/clk/bimc_clk/measure',
102       '/sys/class/kgsl/kgsl-3d0/temp',
103       '/sys/class/kgsl/kgsl-3d0/throttling',
104       '/sys/class/thermal/thermal_zone10/temp',
105       '/sys/class/thermal/thermal_zone7/temp']))
106
107    expectations = \
108      [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
109       Expectation(str, exact_value='4-6', name='online cpus')] + \
110      [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
111       for i in range(4, 7)] + \
112      [Expectation(long, min_value=902390000, max_value=902409999,
113                   name='measured ddr clock', sleeptime=10),
114       Expectation(int, max_value=750, name='gpu temperature'),
115       Expectation(int, exact_value=1, name='gpu throttling'),
116       Expectation(int, max_value=75, name='msm_therm temperature'),
117       Expectation(int, max_value=75000, name='pm8998_tz temperature')]
118
119    Expectation.check_all(expectations, result.splitlines())
120