PowerTools/main.py
2022-05-12 16:39:53 -04:00

242 lines
8.3 KiB
Python

import time
import os
VERSION = "0.4.2"
class CPU:
SCALING_FREQUENCIES = [1700000, 2400000, 2800000]
def __init__(self, number):
self.number = number
if(self.status()):
self.max_boost = self._get_max_boost()
else:
self.max_boost = CPU.SCALING_FREQUENCIES[-1]
def enable(self):
# CPU number 0 is special
if(self.number == 0):
return
filepath = cpu_online_path(self.number)
write_to_sys(filepath, 1)
# The user might have changed the maximum cpu clock while the cpu was offline
self._set_max_boost(self.max_boost)
def disable(self):
# CPU number 0 is special
if(self.number == 0):
return
filepath = cpu_online_path(self.number)
write_to_sys(filepath, 0)
def set_max_boost(self, frequency):
self.max_boost = frequency
if(self.status()):
self._set_max_boost(frequency)
def status(self) -> bool:
# cpu number 0 is always online
if(self.number == 0):
return True
filepath = cpu_online_path(self.number)
return read_from_sys(filepath) == "1"
def _read_scaling_governor(self) -> str:
filepath = cpu_governor_scaling_path(self.number)
return read_from_sys(filepath, amount=-1).strip()
def _write_scaling_governor(self, governor: str):
filepath = cpu_governor_scaling_path(self.number)
with open(filepath, mode="w") as f:
f.write(governor)
def _set_max_boost(self, frequency):
if(frequency == CPU.SCALING_FREQUENCIES[-1]):
self._write_scaling_governor("schedutil")
return
if(self._read_scaling_governor() != "userspace"):
self._write_scaling_governor("userspace")
else:
filepath = cpu_freq_scaling_path(self.number)
write_to_sys(filepath, frequency)
def _get_max_boost(self) -> int:
filepath = cpu_freq_scaling_path(self.number)
freq_maybe = read_from_sys(filepath, amount=-1).strip()
if(freq_maybe is None or len(freq_maybe) == 0 or freq_maybe == "<unsupported>"):
return CPU.SCALING_FREQUENCIES[-1]
freq = int(freq_maybe)
return freq
class Plugin:
CPU_COUNT = 8
FAN_SPEEDS = [0, 1000, 2000, 3000, 4000, 5000, 6000]
auto_fan = True
async def get_version(self) -> str:
return VERSION
# CPU stuff
# call from main_view.html with setCPUs(count, smt)
async def set_cpus(self, count, smt=True):
cpu_count = len(self.cpus)
self.smt = smt
# print("Setting CPUs")
if smt:
count = min(int(count), cpu_count)
for cpu in self.cpus[: count]:
cpu.enable()
for cpu in self.cpus[count :: 1]:
cpu.disable()
else:
count = min(int(count), cpu_count / 2)
# never touch cpu0, since it's special
for cpu in self.cpus[1 : cpu_count : 2]:
cpu.disable()
for cpu in self.cpus[2 : cpu_count : 2]:
if(cpu.number / 2 + 1 > count):
cpu.disable()
else:
cpu.enable()
async def get_cpus(self) -> int:
online_count = 0
for cpu in self.cpus:
if(cpu.status()):
online_count += 1
return online_count
async def get_smt(self) -> bool:
return self.smt
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):
if index < 0 or index >= len(CPU.SCALING_FREQUENCIES):
return 0
selected_freq = CPU.SCALING_FREQUENCIES[index]
for cpu in self.cpus:
cpu.set_max_boost(selected_freq)
return len(self.cpus)
async def get_max_boost(self) -> int:
return CPU.SCALING_FREQUENCIES.index(self.cpus[0].max_boost)
# GPU stuff
async def set_gpu_power(self, value: int, power_number: int) -> bool:
write_to_sys(gpu_power_path(power_number), value)
return True
async def get_gpu_power(self, power_number: int) -> int:
return int(read_from_sys(gpu_power_path(power_number), amount=-1).strip())
# Fan stuff
async def set_fan_tick(self, tick: int):
if tick >= len(self.FAN_SPEEDS):
# automatic mode
self.auto_fan = True
write_to_sys("/sys/class/hwmon/hwmon5/recalculate", 0)
write_to_sys("/sys/class/hwmon/hwmon5/fan1_target", 4099) # 4099 is default
#subprocess.run(["systemctl", "start", "jupiter-fan-control.service"])
else:
# manual voltage
self.auto_fan = False
write_to_sys("/sys/class/hwmon/hwmon5/recalculate", 1)
write_to_sys("/sys/class/hwmon/hwmon5/fan1_target", self.FAN_SPEEDS[tick])
#subprocess.run(["systemctl", "stop", "jupiter-fan-control.service"])
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.auto_fan:
return len(self.FAN_SPEEDS)
elif fan_target == 4099 or (int(round(fan_target_v)) != int(round(fan_input_v)) and fan_target not in self.FAN_SPEEDS):
# 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_SPEEDS)
else:
# quantize voltage to nearest tick (price is right rules; closest without going over)
for i in range(len(self.FAN_SPEEDS)-1):
if fan_target <= self.FAN_SPEEDS[i]:
return i
return len(self.FAN_SPEEDS)-1 # any higher value is considered as highest manual setting
async def fantastic_installed(self) -> bool:
return os.path.exists("/home/deck/homebrew/plugins/Fantastic")
# Battery stuff
async def get_charge_now(self) -> int:
return int(read_from_sys("/sys/class/hwmon/hwmon2/device/charge_now", amount=-1).strip())
async def get_charge_full(self) -> int:
return int(read_from_sys("/sys/class/hwmon/hwmon2/device/charge_full", amount=-1).strip())
async def get_charge_design(self) -> int:
return int(read_from_sys("/sys/class/hwmon/hwmon2/device/charge_full_design", amount=-1).strip())
# Asyncio-compatible long-running code, executed in a task when the plugin is loaded
async def _main(self):
pass
# called from main_view::onViewReady
async def on_ready(self):
self.cpus = []
for cpu_number in range(0, Plugin.CPU_COUNT):
self.cpus.append(CPU(cpu_number))
# If any core has two threads, smt is True
self.smt = self.cpus[1].status()
if(not self.smt):
for cpu_number in range(2, len(self.cpus), 2):
if(self.cpus[cpu_number].status()):
self.smt = True
break
# 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 gpu_power_path(power_number: int) -> str:
return f"/sys/class/hwmon/hwmon4/power{power_number}_cap"
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)