auto-cpufreq/auto-cpufreq.py

152 lines
4.7 KiB
Python

#!/usr/bin/env python3
import subprocess
import os
import sys
import time
import psutil
import cpuinfo
import platform
import distro
import re
# ToDo:
# - check if debian based + first time setup (install necessary packages)
# - add option to run as daemon on boot
# - add revert options
# - sort out imports
# - add option to enable turbo in powersave
# - go thru all other ToDo's
# - copy cpufreqctl script if it doesn't exist
# - clean/refresh screen instead of constant publish
# global var
p = psutil
s = subprocess
tool_run = "python3 auto-cpufreq.py"
# check for necessary driver
def driver_check():
driver = s.getoutput("cpufreqctl --driver")
if driver != "intel_pstate":
print("\n" + "-" * 23 + " Driver check " + "-" * 23 + "\n")
sys.exit("ERROR:\n\n\"intel_pstate\" CPU Performance Scaling Driver is not enabled.\n")
# check for necessary scaling governors
def gov_check():
avail_gov = "/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors"
governors=['performance','powersave']
for line in open(avail_gov):
for keyword in governors:
if keyword in line:
pass
else:
print("\n" + "-" * 9 + " Checking for necessary scaling governors " + "-" * 9 + "\n")
sys.exit("ERROR:\n\nCouldn't find any of the necessary scaling governors.\n")
# root check func
def root_check():
if not os.geteuid() == 0:
sys.exit(f"\nMust be run as root, i.e: \"sudo {tool_run}\"\n")
exit(1)
# set powersave
def set_powersave():
print("\nSetting: powersave")
s.run("cpufreqctl --governor --set=powersave", shell=True)
print("Setting turbo: off")
s.run("echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
# set performance
def set_performance():
print("Using \"performance\" governor\n")
s.run("cpufreqctl --governor --set=performance", shell=True)
# enable turbo boost
set_turbo()
def set_turbo():
# ToDo: replace with psutil.getloadavg()? (available in 5.6.2)
load1m, _, _ = os.getloadavg()
cpuload = p.cpu_percent(interval=1)
print("Total CPU usage:", cpuload, "%")
print("Total system load:", load1m, "\n")
# ToDo: move load and cpuload to sysinfo
if load1m > 2:
print("High load, turbo bost: on")
s.run("echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
# print("High load:", load1m)
# print("CPU load:", cpuload, "%")
elif cpuload > 25:
print("High CPU load, turbo boost: on")
s.run("echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
else:
print("Load optimal, turbo boost: off")
s.run("echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
def autofreq():
print("\n" + "-" * 18 + " CPU frequency scaling " + "-" * 19 + "\n")
# ToDo: make a function and more generic (move to psutil)
# check battery status
get_bat_state = s.getoutput("cat /sys/class/power_supply/BAT0/status")
bat_state = get_bat_state.split()[0]
# auto cpufreq based on battery state
if bat_state == "Discharging":
print("Battery is: discharging")
set_powersave()
elif bat_state == "Charging" or "Full":
print("Battery is: charging")
set_performance()
else:
print("Couldn't detrmine battery status. Please report this issue.")
def sysinfo():
print("\n" + "-" * 20 + " System information " + "-" * 20 + "\n")
core_usage = p.cpu_freq(percpu=True)
cpu_brand = cpuinfo.get_cpu_info()['brand']
cpu_arch = cpuinfo.get_cpu_info()['arch']
cpu_count = cpuinfo.get_cpu_info()['count']
fdist = distro.linux_distribution()
dist = " ".join(x for x in fdist)
print("Linux distro: " + dist)
print("Linux kernel: " + platform.release())
print("Architecture:", cpu_arch)
print("Processor:", cpu_brand)
print("Cores:", cpu_count)
print("\n" + "-" * 20 + " Current CPU state " + "-" * 21 + "\n")
print("CPU frequency for each core:\n")
core_num = 0
while core_num < cpu_count:
print("CPU" + str(core_num) + ": {:.0f}".format(core_usage[core_num].current) + " MHz")
core_num += 1
# ToDo: make more generic and not only for thinkpad
#print(psutil.sensors_fans())
current_fans = p.sensors_fans()['thinkpad'][0].current
print("\nCPU fan speed:", current_fans), "RPM"
# ToDo: add CPU temperature for each core
# issue: https://github.com/giampaolo/psutil/issues/1650
#print(psutil.sensors_temperatures()['coretemp'][1].current)
if __name__ == '__main__':
while True:
root_check()
driver_check()
gov_check()
sysinfo()
autofreq()
time.sleep(10)