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1# Copyright 2017 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 = 1670400
10GPU_CLOCK_RATE = 315000000
11
12class HardwarePixel(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('\n'.join([
22      # enable and lock the two fast cores.
23      '''
24      stop thermal-engine
25      stop perfd
26
27      for N in 3 2; do
28        echo 1 > /sys/devices/system/cpu/cpu$N/online
29        echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor
30        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq
31        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq
32        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed
33      done''' % tuple(CPU_CLOCK_RATE for _ in range(3)),
34
35      # turn off the two slow cores
36      '''
37      for N in 1 0; do
38        echo 0 > /sys/devices/system/cpu/cpu$N/online
39      done''',
40
41      # pylint: disable=line-too-long
42
43      # Set GPU bus and idle timer
44      # Set DDR frequency to max
45      # Set GPU to performance mode, 315 MHZ
46      # See https://android.googlesource.com/platform/frameworks/base/+/master/libs/hwui/tests/scripts/prep_marlfish.sh
47      '''
48      echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split
49      echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
50      echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer
51
52      echo 13763 > /sys/class/devfreq/soc:qcom,gpubw/min_freq
53
54      echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
55      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
56      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq
57
58      echo 4 > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
59      echo 4 > /sys/class/kgsl/kgsl-3d0/min_pwrlevel''' %
60      tuple(GPU_CLOCK_RATE for _ in range(2))]))
61
62    return self
63
64  def sanity_check(self):
65    HardwareAndroid.sanity_check(self)
66
67    if not self._adb.is_root():
68      return
69
70    result = self._adb.check(' '.join(
71      ['cat',
72       '/sys/class/power_supply/battery/capacity',
73       '/sys/devices/system/cpu/online'] + \
74      ['/sys/devices/system/cpu/cpu%i/cpufreq/scaling_cur_freq' % i
75       for i in range(2, 4)] + \
76      ['/sys/kernel/debug/clk/bimc_clk/measure',
77       '/sys/class/thermal/thermal_zone22/temp',
78       '/sys/class/thermal/thermal_zone23/temp']))
79
80    expectations = \
81      [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
82       Expectation(str, exact_value='2-3', name='online cpus')] + \
83      [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
84       for i in range(2, 4)] + \
85       [Expectation(long, min_value=902390000, max_value=902409999,
86                   name='measured ddr clock', sleeptime=10),
87       Expectation(int, max_value=41000, name='pm8994_tz temperature'),
88       Expectation(int, max_value=40, name='msm_therm temperature')]
89
90    Expectation.check_all(expectations, result.splitlines())
91