import time class Plugin: CPU_COUNT = 8 SCALING_FREQUENCIES = [1700000, 2400000, 2800000] FAN_VOLTAGES = [0, 1000, 2000, 3000, 4000, 5000] set_fan_voltage = None # call from main_view.html with setCPUs(count, smt) async def set_cpus(self, count, smt=True) -> int: # print("Setting CPUs") if smt: count = min(int(count), self.CPU_COUNT) # never touch cpu0, since it's special for cpu in range(1, count): enable_cpu(cpu) for cpu in range(count, self.CPU_COUNT): disable_cpu(cpu) return self.CPU_COUNT else: count = min(int(count), self.CPU_COUNT / 2) for cpu in range(1, self.CPU_COUNT, 2): disable_cpu(cpu) for cpu in range(2, self.CPU_COUNT, 2): if (cpu / 2) + 1 > count: disable_cpu(cpu) else: enable_cpu(cpu) async def get_cpus(self) -> int: online_count = 1 # cpu0 is always online for cpu in range(1, self.CPU_COUNT): online_count += int(status_cpu(cpu)) return online_count async def get_smt(self) -> bool: return status_cpu(1) == status_cpu(2) and status_cpu(3) == status_cpu(4) async def set_boost(self, enabled: bool) -> bool: write_to_sys("/sys/devices/system/cpu/cpufreq/boost", int(enabled)) return True async def get_boost(self) -> bool: return read_from_sys("/sys/devices/system/cpu/cpufreq/boost") == "1" async def set_max_boost(self, index) -> int: if index >= len(self.SCALING_FREQUENCIES): return False selected_freq = self.SCALING_FREQUENCIES[index] updated = 0 for cpu in range(0, self.CPU_COUNT): if cpu == 0 or status_cpu(cpu): if read_scaling_governor_cpu(cpu) != "userspace": write_scaling_governor_cpu(cpu, "userspace") path = cpu_freq_scaling_path(cpu) if index == len(self.SCALING_FREQUENCIES) - 1: write_scaling_governor_cpu(cpu, "schedutil") else: write_to_sys(path, selected_freq) updated += 1 return updated async def get_max_boost(self) -> int: path = cpu_freq_scaling_path(0) freq_maybe = read_from_sys(path, amount=-1).strip() if freq_maybe is None or len(freq_maybe) == 0 or freq_maybe == "": return len(self.SCALING_FREQUENCIES) - 1 freq = int(freq_maybe) return self.SCALING_FREQUENCIES.index(freq) async def set_fan_tick(self, tick: int): self.set_fan_voltage = tick # cache voltage set to echo back in get_fan_tick() if tick >= len(self.FAN_VOLTAGES): # automatic mode write_to_sys("/sys/class/hwmon/hwmon5/recalculate", 0) write_to_sys("/sys/class/hwmon/hwmon5/fan1_target", 4099) # 4099 is default else: # manual voltage write_to_sys("/sys/class/hwmon/hwmon5/recalculate", 1) write_to_sys("/sys/class/hwmon/hwmon5/fan1_target", self.FAN_VOLTAGES[tick]) async def get_fan_tick(self) -> int: fan_target = int(read_from_sys("/sys/class/hwmon/hwmon5/fan1_target", amount=-1).strip()) fan_input = int(read_from_sys("/sys/class/hwmon/hwmon5/fan1_input", amount=-1).strip()) fan_target_v = float(fan_target) / 1000 fan_input_v = float(fan_input) / 1000 if self.set_fan_voltage is not None: x = self.set_fan_voltage self.set_fan_voltage = None return x elif fan_target == 4099 or (int(round(fan_target_v)) != int(round(fan_input_v))): # cannot read /sys/class/hwmon/hwmon5/recalculate, so guess based on available fan info # NOTE: the fan takes time to ramp up, so fan_target will never approximately equal fan_input # when fan_target was changed recently (hence set voltage caching) return len(self.FAN_VOLTAGES) else: # quantize voltage to nearest tick (price is right rules; closest without going over) for i in range(len(self.FAN_VOLTAGES)-1): if fan_target <= self.FAN_VOLTAGES[i]: return i return len(self.FAN_VOLTAGES)-1 # any higher value is considered as highest manual setting # Asyncio-compatible long-running code, executed in a task when the plugin is loaded async def _main(self): pass # these are stateless (well, the state is not saved internally) functions, so there's no need for these to be called like a class method def cpu_online_path(cpu_number: int) -> str: return f"/sys/devices/system/cpu/cpu{cpu_number}/online" def cpu_freq_scaling_path(cpu_number: int) -> str: return f"/sys/devices/system/cpu/cpu{cpu_number}/cpufreq/scaling_setspeed" def cpu_governor_scaling_path(cpu_number: int) -> str: return f"/sys/devices/system/cpu/cpu{cpu_number}/cpufreq/scaling_governor" def write_to_sys(path, value: int): with open(path, mode="w") as f: f.write(str(value)) def read_from_sys(path, amount=1): with open(path, mode="r") as f: return f.read(amount) def enable_cpu(cpu_number: int): filepath = cpu_online_path(cpu_number) write_to_sys(filepath, 1) def disable_cpu(cpu_number: int): filepath = cpu_online_path(cpu_number) write_to_sys(filepath, 0) def status_cpu(cpu_number: int) -> bool: filepath = cpu_online_path(cpu_number) return read_from_sys(filepath) == "1" def read_scaling_governor_cpu(cpu_number: int) -> str: filepath = cpu_governor_scaling_path(cpu_number) return read_from_sys(filepath, amount=-1).strip() def write_scaling_governor_cpu(cpu_number: int, governor: str): filepath = cpu_governor_scaling_path(cpu_number) with open(filepath, mode="w") as f: f.write(governor)