skpbench: suppot Nexus 6P

tools/skpbench/_hardware_nexus_6p.py

+# Copyright 2016 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 HardwareException, Expectation
+from _hardware_android import HardwareAndroid
+
+CPU_CLOCK_RATE = 1728000
+GPU_CLOCK_RATE = 510000000
+
+class HardwareNexus6P(HardwareAndroid):
+  def __init__(self, adb):
+    HardwareAndroid.__init__(self, adb)
+
+  def __enter__(self):
+    self._lock_clocks()
+    return HardwareAndroid.__enter__(self)
+
+  def __exit__(self, exception_type, exception_value, exception_traceback):
+    HardwareAndroid.__exit__(self, exception_type,
+                             exception_value, exception_traceback)
+    self._unlock_clocks()
+
+  def _lock_clocks(self):
+    if not self._is_root:
+      return
+
+    self._adb.shell('''\
+      stop thermal-engine
+      stop thermald
+      stop perfd
+      stop mpdecision''')
+
+    # enable and lock 3 of 4 big cores.
+    self._adb.shell('''\
+      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$N/cpufreq/scaling_setspeed
+      done''' % tuple(CPU_CLOCK_RATE for _ in range(3)))
+
+    # turn off all other cores
+    self._adb.shell('''\
+      for N in 0 1 2 3 7; do
+        echo 0 > /sys/devices/system/cpu/cpu$N/online
+      done''')
+
+    # gpu/ddr perf commands from
+    # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf
+    self._adb.shell('''\
+      echo 0 > /sys/class/kgsl/kgsl-3d0/bus_split
+      echo 1 > /sys/class/kgsl/kgsl-3d0/force_bus_on
+      echo 1 > /sys/class/kgsl/kgsl-3d0/force_rail_on
+      echo 1 > /sys/class/kgsl/kgsl-3d0/force_clk_on
+      echo 1000000 > /sys/class/kgsl/kgsl-3d0/idle_timer
+      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
+      echo %i > /sys/class/kgsl/kgsl-3d0/gpuclk''' %
+      tuple(GPU_CLOCK_RATE for _ in range(3)))
+
+    # ddr perf commands from
+    # https://developer.qualcomm.com/qfile/28823/lm80-p0436-11_adb_commands.pdf
+    self._adb.shell('''\
+      echo performance > /sys/class/devfreq/qcom,cpubw.32/governor
+      echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq
+      echo 9887 > /sys/class/devfreq/qcom,cpubw.32/min_freq
+      echo performance > /sys/class/devfreq/qcom,gpubw.70/governor
+      echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq
+      echo 9887 > /sys/class/devfreq/qcom,gpubw.70/min_freq''')
+
+  def _unlock_clocks(self):
+    if not self._is_root:
+      return
+
+    # restore ddr settings to default.
+    self._adb.shell('''\
+      echo 1525 > /sys/class/devfreq/qcom,cpubw.32/min_freq
+      echo 9887 > /sys/class/devfreq/qcom,cpubw.32/max_freq
+      echo bw_hwmon > /sys/class/devfreq/qcom,cpubw.32/governor
+      echo 1525 > /sys/class/devfreq/qcom,gpubw.70/min_freq
+      echo 9887 > /sys/class/devfreq/qcom,gpubw.70/max_freq
+      echo bw_hwmon > /sys/class/devfreq/qcom,gpubw.70/governor''')
+
+    # restore gpu settings to default.
+    self._adb.shell('''\
+      echo 180000000 > /sys/class/kgsl/kgsl-3d0/devfreq/min_freq
+      echo 600000000 > /sys/class/kgsl/kgsl-3d0/devfreq/max_freq
+      echo 180000000 > /sys/class/kgsl/kgsl-3d0/gpuclk
+      echo msm-adreno-tz > /sys/class/kgsl/kgsl-3d0/devfreq/governor
+      echo 0 > /sys/class/kgsl/kgsl-3d0/idle_timer
+      echo 0 > /sys/class/kgsl/kgsl-3d0/force_clk_on
+      echo 0 > /sys/class/kgsl/kgsl-3d0/force_rail_on
+      echo 0 > /sys/class/kgsl/kgsl-3d0/force_bus_on
+      echo 1 > /sys/class/kgsl/kgsl-3d0/bus_split''')
+
+    # turn the disabled cores back on.
+    self._adb.shell('''\
+      for N in 7 3 2 1 0; do
+        echo 1 > /sys/devices/system/cpu/cpu$N/online
+      done''')
+
+    # unlock the 3 enabled big cores.
+    self._adb.shell('''\
+      for N in 6 5 4; do
+        echo 633600 > /sys/devices/system/cpu/cpu4/cpufreq/scaling_min_freq
+        echo 1958400 > /sys/devices/system/cpu/cpu4/cpufreq/scaling_max_freq
+        echo 0 > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed
+        echo interactive > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor
+      done''')
+
+    self._adb.shell('''\
+      start mpdecision
+      start perfd
+      start thermald
+      start thermal-engine''')
+
+  def sanity_check(self):
+    HardwareAndroid.sanity_check(self)
+
+    if not self._is_root:
+      return
+
+    result = self._adb.check_lines('''\
+      cat /sys/class/power_supply/battery/capacity \
+          /sys/devices/system/cpu/online \
+          /sys/class/thermal/thermal_zone14/temp \
+          /sys/class/thermal/thermal_zone15/temp \
+          /sys/kernel/debug/clk/oxili_gfx3d_clk/measure \
+          /sys/kernel/debug/clk/bimc_clk/measure
+      for N in 4 5 6; do
+        cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq
+      done''')
+
+    expectations = \
+      [Expectation(int, min_value=30, name='battery', sleeptime=30*60),
+       Expectation(str, exact_value='4-6', name='online cpus'),
+       Expectation(int, max_value=88, name='tsens_tz_sensor13'),
+       Expectation(int, max_value=88, name='tsens_tz_sensor14'),
+       Expectation(long, min_value=(GPU_CLOCK_RATE - 5000),
+                   max_value=(GPU_CLOCK_RATE + 5000), name='gpu clock rate'),
+       Expectation(long, min_value=647995000, max_value=648007500,
+                   name='ddr clock rate', sleeptime=10)] + \
+      [Expectation(int, exact_value=CPU_CLOCK_RATE, name='cpu_%i clock rate' %i)
+       for i in range(4, 7)]
+
+    Expectation.check_all(expectations, result)
+
+  def sleep(self, sleeptime):
+    self._unlock_clocks()
+    HardwareAndroid.sleep(self, sleeptime)
+    self._lock_clocks()