import time class Plugin: CPU_COUNT = 8 SCALING_FREQUENCIES = [1700000, 2400000, 2800000] # call from main_view.html with setCPUs(onclick_event) or call_plugin_method("set_cpus", count) 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) 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) # 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).trim() 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)