diff options
Diffstat (limited to 'python/mozperftest/mozperftest/system/android_perf_tuner.py')
| -rw-r--r-- | python/mozperftest/mozperftest/system/android_perf_tuner.py | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/python/mozperftest/mozperftest/system/android_perf_tuner.py b/python/mozperftest/mozperftest/system/android_perf_tuner.py new file mode 100644 index 0000000000..924ddd0c9e --- /dev/null +++ b/python/mozperftest/mozperftest/system/android_perf_tuner.py @@ -0,0 +1,193 @@ +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this file, +# You can obtain one at http://mozilla.org/MPL/2.0/. + + +def tune_performance(device, log=None, timeout=None): + """Set various performance-oriented parameters, to reduce jitter. + + This includes some device-specific kernel tweaks. + + For more information, see https://bugzilla.mozilla.org/show_bug.cgi?id=1547135. + """ + PerformanceTuner(device, log=log, timeout=timeout).tune_performance() + + +class PerformanceTuner: + def __init__(self, device, log=None, timeout=None): + self.device = device + self.log = log is not None and log or self.device._logger + self.timeout = timeout + + def tune_performance(self): + self.log.info("tuning android device performance") + self.set_svc_power_stayon() + if self.device.is_rooted: + device_name = self.device.shell_output( + "getprop ro.product.model", timeout=self.timeout + ) + # all commands require root shell from here on + self.set_scheduler() + self.set_virtual_memory_parameters() + self.turn_off_services() + self.set_cpu_performance_parameters(device_name) + self.set_gpu_performance_parameters(device_name) + self.set_kernel_performance_parameters() + self.device.clear_logcat(timeout=self.timeout) + self.log.info("android device performance tuning complete") + + def _set_value_and_check_exitcode(self, file_name, value): + self.log.info("setting {} to {}".format(file_name, value)) + if self.device.shell_bool( + " ".join(["echo", str(value), ">", str(file_name)]), + timeout=self.timeout, + ): + self.log.info("successfully set {} to {}".format(file_name, value)) + else: + self.log.warning("command failed") + + def set_svc_power_stayon(self): + self.log.info("set device to stay awake on usb") + self.device.shell_bool("svc power stayon usb", timeout=self.timeout) + + def set_scheduler(self): + self.log.info("setting scheduler to noop") + scheduler_location = "/sys/block/sda/queue/scheduler" + + self._set_value_and_check_exitcode(scheduler_location, "noop") + + def turn_off_services(self): + services = [ + "mpdecision", + "thermal-engine", + "thermald", + ] + for service in services: + self.log.info(" ".join(["turning off service:", service])) + self.device.shell_bool(" ".join(["stop", service]), timeout=self.timeout) + + services_list_output = self.device.shell_output( + "service list", timeout=self.timeout + ) + for service in services: + if service not in services_list_output: + self.log.info(" ".join(["successfully terminated:", service])) + else: + self.log.warning(" ".join(["failed to terminate:", service])) + + def set_virtual_memory_parameters(self): + self.log.info("setting virtual memory parameters") + commands = { + "/proc/sys/vm/swappiness": 0, + "/proc/sys/vm/dirty_ratio": 85, + "/proc/sys/vm/dirty_background_ratio": 70, + } + + for key, value in commands.items(): + self._set_value_and_check_exitcode(key, value) + + def set_cpu_performance_parameters(self, device_name=None): + self.log.info("setting cpu performance parameters") + commands = {} + + if device_name is not None: + device_name = self.device.shell_output( + "getprop ro.product.model", timeout=self.timeout + ) + + if device_name == "Pixel 2": + # MSM8998 (4x 2.35GHz, 4x 1.9GHz) + # values obtained from: + # /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies + # /sys/devices/system/cpu/cpufreq/policy4/scaling_available_frequencies + commands.update( + { + "/sys/devices/system/cpu/cpufreq/policy0/scaling_governor": "performance", + "/sys/devices/system/cpu/cpufreq/policy4/scaling_governor": "performance", + "/sys/devices/system/cpu/cpufreq/policy0/scaling_min_freq": "1900800", + "/sys/devices/system/cpu/cpufreq/policy4/scaling_min_freq": "2457600", + } + ) + elif device_name == "Moto G (5)": + # MSM8937(8x 1.4GHz) + # values obtained from: + # /sys/devices/system/cpu/cpufreq/policy0/scaling_available_frequencies + for x in range(0, 8): + commands.update( + { + "/sys/devices/system/cpu/cpu{}/" + "cpufreq/scaling_governor".format(x): "performance", + "/sys/devices/system/cpu/cpu{}/" + "cpufreq/scaling_min_freq".format(x): "1401000", + } + ) + else: + self.log.info( + "CPU for device with ro.product.model '{}' unknown, not scaling_governor".format( + device_name + ) + ) + + for key, value in commands.items(): + self._set_value_and_check_exitcode(key, value) + + def set_gpu_performance_parameters(self, device_name=None): + self.log.info("setting gpu performance parameters") + commands = { + "/sys/class/kgsl/kgsl-3d0/bus_split": "0", + "/sys/class/kgsl/kgsl-3d0/force_bus_on": "1", + "/sys/class/kgsl/kgsl-3d0/force_rail_on": "1", + "/sys/class/kgsl/kgsl-3d0/force_clk_on": "1", + "/sys/class/kgsl/kgsl-3d0/force_no_nap": "1", + "/sys/class/kgsl/kgsl-3d0/idle_timer": "1000000", + } + + if not device_name: + device_name = self.device.shell_output( + "getprop ro.product.model", timeout=self.timeout + ) + + if device_name == "Pixel 2": + # Adreno 540 (710MHz) + # values obtained from: + # /sys/devices/soc/5000000.qcom,kgsl-3d0/kgsl/kgsl-3d0/max_clk_mhz + commands.update( + { + "/sys/devices/soc/5000000.qcom,kgsl-3d0/devfreq/" + "5000000.qcom,kgsl-3d0/governor": "performance", + "/sys/devices/soc/soc:qcom,kgsl-busmon/devfreq/" + "soc:qcom,kgsl-busmon/governor": "performance", + "/sys/devices/soc/5000000.qcom,kgsl-3d0/kgsl/kgsl-3d0/min_clock_mhz": "710", + } + ) + elif device_name == "Moto G (5)": + # Adreno 505 (450MHz) + # values obtained from: + # /sys/devices/soc/1c00000.qcom,kgsl-3d0/kgsl/kgsl-3d0/max_clock_mhz + commands.update( + { + "/sys/devices/soc/1c00000.qcom,kgsl-3d0/devfreq/" + "1c00000.qcom,kgsl-3d0/governor": "performance", + "/sys/devices/soc/1c00000.qcom,kgsl-3d0/kgsl/kgsl-3d0/min_clock_mhz": "450", + } + ) + else: + self.log.info( + "GPU for device with ro.product.model '{}' unknown, not setting devfreq".format( + device_name + ) + ) + + for key, value in commands.items(): + self._set_value_and_check_exitcode(key, value) + + def set_kernel_performance_parameters(self): + self.log.info("setting kernel performance parameters") + commands = { + "/sys/kernel/debug/msm-bus-dbg/shell-client/update_request": "1", + "/sys/kernel/debug/msm-bus-dbg/shell-client/mas": "1", + "/sys/kernel/debug/msm-bus-dbg/shell-client/ab": "0", + "/sys/kernel/debug/msm-bus-dbg/shell-client/slv": "512", + } + for key, value in commands.items(): + self._set_value_and_check_exitcode(key, value) |