skpbench: suppot Nexus 6P

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2415033002

Review-Url: https://codereview.chromium.org/2415033002

tools/skpbench/_adb.py

@@ -5,6 +5,7 @@
 
 import re
 import subprocess
+import sys
 
 class Adb:
   def __init__(self, device_serial=None):
@@ -13,7 +14,7 @@ class Adb:
       self.__invocation.extend(['-s', device_serial])
 
   def shell(self, cmd):
-    subprocess.call(self.__invocation + ['shell', cmd])
+    subprocess.call(self.__invocation + ['shell', cmd], stdout=sys.stderr)
 
   def check(self, cmd):
     result = subprocess.check_output(self.__invocation + ['shell', cmd])
@@ -29,13 +30,13 @@ class Adb:
     return result.group(1) if result else 'unknown_product'
 
   def is_root(self):
-    return self.check('echo $USER') == 'root'
+    return self.check('whoami') == 'root'
 
   def attempt_root(self):
     if self.is_root():
       return True
-    subprocess.call(self.__invocation + ['root'])
+    subprocess.call(self.__invocation + ['root'], stdout=sys.stderr)
     return self.is_root()
 
   def remount(self):
-    subprocess.call(self.__invocation + ['remount'])
+    subprocess.call(self.__invocation + ['remount'], stdout=sys.stderr)

tools/skpbench/_hardware_android.py

@@ -75,16 +75,16 @@ class HardwareAndroid(Hardware):
         setprop ctl.start surfaceflinger &&
         setprop ctl.start zygote &&
         setprop ctl.start media''')
+    else:
+      # restore GPS (doesn't seem to work if we killed the gui).
+      self._adb.shell('''\
+        for PROVIDER in %s; do
+          settings put secure location_providers_allowed +$PROVIDER
+        done''' % self._initial_location_providers)
 
-    # restore GPS (doesn't seem to work if we killed the gui).
-    self._adb.shell('''\
-      for PROVIDER in %s; do
-        settings put secure location_providers_allowed +$PROVIDER
-      done''' % self._initial_location_providers)
-
-    # restore airplane mode (doesn't seem to work if we killed the gui).
-    self._adb.shell('settings put global airplane_mode_on %s' %
-                    self._initial_airplane_mode)
+      # restore airplane mode (doesn't seem to work if we killed the gui).
+      self._adb.shell('settings put global airplane_mode_on %s' %
+                      self._initial_airplane_mode)
 
   def sanity_check(self):
     Hardware.sanity_check(self)
@@ -93,24 +93,28 @@ class HardwareAndroid(Hardware):
     # search for and print thermal trip points that may have been exceeded.
     self._adb.shell('''\
       THERMALDIR=/sys/class/thermal
-      if [ -e $THERMALDIR ]; then
-        for ZONE in $(cd $THERMALDIR; echo thermal_zone*); do
-          cd $THERMALDIR/$ZONE
-          if [ -e mode ] && grep -Fxq enabled mode; then
-            TEMP=$(cat temp)
-            TRIPPOINT=
-            let i=0
-            while [ -e trip_point_${i}_temp ] &&
-                  [ $TEMP -gt $(cat trip_point_${i}_temp) ]; do
-              TRIPPOINT=trip_point_${i}_temp
-              let i=i+1
-            done
-            if [ $TRIPPOINT ]; then
-              echo "$ZONE ($(cat type)): temp=$TEMP > $TRIPPOINT=$(cat $TRIPPOINT)"
-            fi
-          fi
-        done
-      fi''')
+      if [ ! -d $THERMALDIR ]; then
+        exit
+      fi
+      for ZONE in $(cd $THERMALDIR; echo thermal_zone*); do
+        cd $THERMALDIR/$ZONE
+        if [ ! -e mode ] || grep -Fxqv enabled mode || [ ! -e trip_point_0_temp ]; then
+          continue
+        fi
+        TEMP=$(cat temp)
+        TRIPPOINT=trip_point_0_temp
+        if [ $TEMP -le $(cat $TRIPPOINT) ]; then
+          echo "$ZONE ($(cat type)): temp=$TEMP <= $TRIPPOINT=$(cat $TRIPPOINT)" 1>&2
+        else
+          let i=1
+          while [ -e trip_point_${i}_temp ] &&
+                [ $TEMP -gt $(cat trip_point_${i}_temp) ]; do
+            TRIPPOINT=trip_point_${i}_temp
+            let i=i+1
+          done
+          echo "$ZONE ($(cat type)): temp=$TEMP > $TRIPPOINT=$(cat $TRIPPOINT)" 1>&2
+        fi
+      done''')
 
     Hardware.print_debug_diagnostics(self)
 

tools/skpbench/_hardware_nexus_6p.py

@@ -0,0 +1,155 @@
+# 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()

tools/skpbench/skpbench.py

@@ -124,7 +124,7 @@ class SKPBench:
   def run_warmup(cls, warmup_time):
     if not warmup_time:
       return
-    print('running %i second warmup...' % warmup_time)
+    print('running %i second warmup...' % warmup_time, file=sys.stderr)
     commandline = cls.ARGV + ['--duration', str(warmup_time * 1000),
                               '--config', 'gpu',
                               '--skp', 'warmup']
@@ -180,7 +180,7 @@ class SKPBench:
           hardware.sanity_check()
           self._process_result(result)
         else:
-          print(message.value)
+          print(message.value, file=sys.stderr)
         sys.stdout.flush()
         continue
       if message.message == Message.POLL_HARDWARE:
@@ -252,14 +252,16 @@ def run_benchmarks(configs, skps, hardware):
                         skpbench.best_result))
 
       except HardwareException as exception:
+        skpbench.terminate()
         if FLAGS.verbosity >= 5:
           hardware.print_debug_diagnostics()
-        skpbench.terminate()
         if FLAGS.verbosity >= 1:
           print("%s; taking a %i second nap..." %
                 (exception.message, exception.sleeptime), file=sys.stderr)
         benches.appendleft(benchargs) # retry the same bench next time.
         hardware.sleep(exception.sleeptime)
+        if FLAGS.verbosity >= 5:
+          hardware.print_debug_diagnostics()
         SKPBench.run_warmup(hardware.warmup_time)
 
 
@@ -275,6 +277,9 @@ def main():
     if model == 'Pixel C':
       from _hardware_pixel_c import HardwarePixelC
       hardware = HardwarePixelC(adb)
+    elif model == 'Nexus 6P':
+      from _hardware_nexus_6p import HardwareNexus6P
+      hardware = HardwareNexus6P(adb)
     else:
       from _hardware_android import HardwareAndroid
       print("WARNING: %s: don't know how to monitor this hardware; results "