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author | csmartdalton <csmartdalton@google.com> | 2016-09-23 11:36:11 -0700 |
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committer | Commit bot <commit-bot@chromium.org> | 2016-09-23 11:36:11 -0700 |
commit | bf41fa841b19ebab1eea7df573b3456dd6c5cac0 (patch) | |
tree | 8e142632d0f7e7b0e51c492719178d7884eacac3 /tools/skpbench/_hardware_pixel_c.py | |
parent | 68c3d30702c8af5ae249c78b30a9ea2351f875ed (diff) |
Add Pixel C knobs to skpbench
BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2369533002
Review-Url: https://codereview.chromium.org/2369533002
Diffstat (limited to 'tools/skpbench/_hardware_pixel_c.py')
-rw-r--r-- | tools/skpbench/_hardware_pixel_c.py | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/tools/skpbench/_hardware_pixel_c.py b/tools/skpbench/_hardware_pixel_c.py new file mode 100644 index 0000000000..3ea74c1c03 --- /dev/null +++ b/tools/skpbench/_hardware_pixel_c.py @@ -0,0 +1,94 @@ +# 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 = 1836000 +GPU_EMC_PROFILE = '0c: core 921 MHz emc 1600 MHz a A d D *' +GPU_EMC_PROFILE_ID = '0c' + +class HardwarePixelC(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 + + # lock cpu clocks. + self._adb.shell('''\ + for N in $(seq 0 3); do + echo userspace > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor + echo %i > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed + done''' % CPU_CLOCK_RATE) + + # lock gpu/emc clocks. + self._adb.shell('''\ + chown root:root /sys/devices/57000000.gpu/pstate + echo %s > /sys/devices/57000000.gpu/pstate''' % GPU_EMC_PROFILE_ID) + + def _unlock_clocks(self): + if not self._is_root: + return + + # unlock gpu/emc clocks. + self._adb.shell('''\ + echo auto > /sys/devices/57000000.gpu/pstate + chown system:system /sys/devices/57000000.gpu/pstate''') + + # unlock cpu clocks. + self._adb.shell('''\ + for N in $(seq 0 3); do + echo 0 > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_setspeed + echo interactive > /sys/devices/system/cpu/cpu$N/cpufreq/scaling_governor + done''') + + def sanity_check(self): + HardwareAndroid.sanity_check(self) + + if not self._is_root: + return + + # only issue one shell command in an attempt to minimize interference. + result = self._adb.check_lines('''\ + cat /sys/class/power_supply/bq27742-0/capacity \ + /sys/class/thermal/thermal_zone7/temp \ + /sys/class/thermal/thermal_zone0/temp \ + /sys/class/thermal/thermal_zone1/temp \ + /sys/class/thermal/thermal_zone7/cdev1/cur_state \ + /sys/class/thermal/thermal_zone7/cdev0/cur_state + for N in $(seq 0 3); do + cat /sys/devices/system/cpu/cpu$N/cpufreq/scaling_cur_freq + done + cat /sys/devices/57000000.gpu/pstate | grep \*$''') + + expectations = \ + [Expectation(int, min_value=30, name='battery', sleeptime=30*60), + Expectation(int, max_value=40000, name='skin temperature'), + Expectation(int, max_value=86000, name='cpu temperature'), + Expectation(int, max_value=87000, name='gpu temperature'), + Expectation(int, exact_value=0, name='cpu throttle'), + Expectation(int, exact_value=0, name='gpu throttle')] + \ + [Expectation(int, exact_value=CPU_CLOCK_RATE, + name='cpu_%i clock rate' % i, sleeptime=30) + for i in range(4)] + \ + [Expectation(str, exact_value=GPU_EMC_PROFILE, name='gpu/emc profile')] + + Expectation.check_all(expectations, result) + + def sleep(self, sleeptime): + self._unlock_clocks() + HardwareAndroid.sleep(self, sleeptime) + self._lock_clocks() |