skpbench: Add support for Pixel 2

Bug: skia:
Change-Id: Ic0901ca84bf8e3fda29b3bd7a0504396445ca0f4
Reviewed-on: https://skia-review.googlesource.com/124282
Reviewed-by: Kevin Lubick <kjlubick@google.com>
Commit-Queue: Chris Dalton <csmartdalton@google.com>

1 files changed, 119 insertions, 0 deletions

diff --git a/tools/skpbench/_hardware_pixel2.py b/tools/skpbench/_hardware_pixel2.py
new file mode 100644
index 0000000000..a42cafa516
--- /dev/null
+++ b/tools/skpbench/_hardware_pixel2.py
@@ -0,0 +1,119 @@
+# Copyright 2018 Google Inc.
+#
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+from _hardware import Expectation
+from _hardware_android import HardwareAndroid
+
+CPU_CLOCK_RATE = 2035200
+MEM_CLOCK_RATE = 13763
+GPU_CLOCK_RATE = 670000000
+GPU_POWER_LEVEL = 1  # lower is faster, minimum is 0
+
+class HardwarePixel2(HardwareAndroid):
+  def __init__(self, adb):
+    HardwareAndroid.__init__(self, adb)
+
+  def __enter__(self):
+    HardwareAndroid.__enter__(self)
+    if not self._adb.is_root():
+      return self
+
+    self._adb.shell('\n'.join([
+      '''
+      stop thermal-engine
+      stop perfd''',
+
+      # turn off the slow cores and one fast core
+      '''
+      for N in 0 1 2 3 7; do
+        echo 0 > /sys/devices/system/cpu/cpu$N/online
+      done''',
+
+      # lock 3 fast cores: two for Skia and one for the OS
+      '''
+      for N in 4 5 6; do
+        echo 1 > /sys/devices/system/cpu/cpu$N/online
+        echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor
+        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_max_freq
+        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_min_freq
+        echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed
+      done''' % tuple(CPU_CLOCK_RATE for _ in range(3)),
+
+      # Set GPU bus and idle timer
+      '''
+      echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split''',
+      # csmartdalton, 4-26-2018: this line hangs my device
+      # echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
+      '''
+      echo 10000 > /sys/class/kgsl/kgsl-3d0/idle_timer''',
+
+      # Set mem frequency to max
+      '''
+      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/min_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,gpubw/max_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/min_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,cpubw/max_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/min_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,mincpubw/max_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/min_freq
+      echo %i > /sys/class/devfreq/soc\:qcom,memlat-cpu0/max_freq''' %
+      tuple(MEM_CLOCK_RATE for _ in range(8)),
+
+      # Set GPU to performance mode
+      '''
+      echo performance > /sys/class/kgsl/kgsl-3d0/devfreq/governor
+      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
+      echo %i > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq''' %
+      tuple(GPU_CLOCK_RATE for _ in range(2)),
+
+      # Set GPU power level
+      '''
+      echo %i > /sys/class/kgsl/kgsl-3d0/max_pwrlevel
+      echo %i > /sys/class/kgsl/kgsl-3d0/min_pwrlevel''' %
+      tuple(GPU_POWER_LEVEL for _ in range(2))]))
+
+    assert('msm_therm' == self._adb.check(\
+                          'cat /sys/class/thermal/thermal_zone10/type').strip())
+    assert('pm8998_tz' == self._adb.check(\
+                          'cat /sys/class/thermal/thermal_zone7/type').strip())
+
+    return self
+
+  def sanity_check(self):
+    HardwareAndroid.sanity_check(self)
+
+    if not self._adb.is_root():
+      return
+
+    result = self._adb.check(' '.join(
+      ['cat',
+       '/sys/class/power_supply/battery/capacity',
+       '/sys/devices/system/cpu/online'] + \
+      ['/sys/devices/system/cpu/cpu%i/cpufreq/scaling_cur_freq' % i
+       for i in range(4, 7)] + \
+      # Unfortunately we can't monitor the gpu clock:
+      #
+      #   /sys/class/kgsl/kgsl-3d0/devfreq/cur_freq
+      #
+      # It doesn't respect the min_freq/max_freq values when not under load.
+      ['/sys/kernel/debug/clk/bimc_clk/measure',
+       '/sys/class/kgsl/kgsl-3d0/temp',
+       '/sys/class/kgsl/kgsl-3d0/throttling',
+       '/sys/class/thermal/thermal_zone10/temp',
+       '/sys/class/thermal/thermal_zone7/temp']))
+
+    expectations = \
+      [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
+       Expectation(str, exact_value='4-6', name='online cpus')] + \
+      [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
+       for i in range(4, 7)] + \
+      [Expectation(long, min_value=902390000, max_value=902409999,
+                   name='measured ddr clock', sleeptime=10),
+       Expectation(int, max_value=750, name='gpu temperature'),
+       Expectation(int, exact_value=1, name='gpu throttling'),
+       Expectation(int, max_value=75, name='msm_therm temperature'),
+       Expectation(int, max_value=75000, name='pm8998_tz temperature')]
+
+    Expectation.check_all(expectations, result.splitlines())