auto-cpufreq/auto-cpufreq.py

438 lines
14 KiB
Python
Executable File

#!/usr/bin/env python3
#
# auto-cpufreq - Automatic CPU speed & power optimizer for Linux
#
# Blog post: http://foolcontrol.org/?p=3124
import subprocess
import os
import sys
import time
import psutil
import platform
import click
# ToDo:
# - re-enable CPU fan speed display and make more generic and not only for thinkpad
# - replace get system/CPU load from: psutil.getloadavg() | available in 5.6.2)
# global vars
p = psutil
pl = platform
s = subprocess
tool_run = sys.argv[0]
# get turbo boost state
cur_turbo = s.getoutput("cat /sys/devices/system/cpu/intel_pstate/no_turbo")
# get current scaling governor
get_cur_gov = s.getoutput("cpufreqctl --governor")
gov_state = get_cur_gov.split()[0]
# get battery state
bat_state = p.sensors_battery().power_plugged
# auto-cpufreq log file
auto_cpufreq_log_file = "/var/log/auto-cpufreq.log"
# deploy cpufreqctl script
def cpufreqctl():
# deploy cpufreqctl script (if missing)
if os.path.isfile("/usr/bin/cpufreqctl"):
pass
else:
os.system("cp scripts/cpufreqctl.sh /usr/bin/cpufreqctl")
def footer(l):
print("\n" + "-" * l + "\n")
# deploy auto-cpufreq daemon
def deploy():
print("\n" + "-" * 21 + " Deploying auto-cpufreq as a daemon " + "-" * 22 + "\n")
# deploy cpufreqctl script func call
cpufreqctl()
print("* Turn off bluetooth on boot")
btconf="/etc/bluetooth/main.conf"
try:
orig_set = "AutoEnable=true"
change_set = "AutoEnable=false"
with open(btconf, "r+") as f:
content = f.read()
f.seek(0)
f.truncate()
f.write(content.replace(orig_set, change_set))
except:
print("\nERROR:\nWas unable to turn off bluetooth on boot")
print("\n* Deploy auto-cpufreq as system wide accessible binary")
os.system("cp auto-cpufreq.py /usr/bin/auto-cpufreq")
print("\n* Deploy auto-cpufreq install script")
os.system("cp scripts/auto-cpufreq-install.sh /usr/bin/auto-cpufreq-install")
print("\n* Deploy auto-cpufreq remove script")
os.system("cp scripts/auto-cpufreq-remove.sh /usr/bin/auto-cpufreq-remove")
print("\n* Deploy auto-cpufreq systemd unit file")
os.system("cp scripts/auto-cpufreq.service /lib/systemd/system/auto-cpufreq.service")
# run auto-cpufreq daemon deploy script
s.call("/usr/bin/auto-cpufreq-install", shell=True)
# remove auto-cpufreq daemon
def remove():
print("\n" + "-" * 21 + " Removing auto-cpufreq daemon " + "-" * 22 + "\n")
print("* Turn on bluetooth on boot")
btconf="/etc/bluetooth/main.conf"
try:
orig_set = "AutoEnable=true"
change_set = "AutoEnable=false"
with open(btconf, "r+") as f:
content = f.read()
f.seek(0)
f.truncate()
f.write(content.replace(change_set, orig_set))
except:
print("\nERROR:\nWas unable to turn on bluetooth on boot")
# run auto-cpufreq daemon install script
s.call("/usr/bin/auto-cpufreq-remove", shell=True)
# 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" + "-" * 18 + " Checking for necessary scaling governors " + "-" * 19 + "\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:
print("\n" + "-" * 33 + " Root check " + "-" * 34 + "\n")
sys.exit("ERROR:\n\nMust be run root for this functionality to work, i.e: \nsudo " + tool_run + "\n")
exit(1)
# refresh countdown
def countdown(s):
# Fix for wrong log output and "TERM environment variable not set"
os.environ['TERM'] = 'xterm'
for remaining in range(s, 0, -1):
sys.stdout.write("\r")
sys.stdout.write("\t\t\t\"auto-cpufreq\" refresh in:{:2d}".format(remaining))
sys.stdout.flush()
time.sleep(1)
# set powersave and enable turbo
def set_powersave():
print("Setting to use: powersave")
s.run("cpufreqctl --governor --set=powersave", shell=True)
# get system/CPU load
load1m, _, _ = os.getloadavg()
# get CPU utilization as a percentage
cpuload = p.cpu_percent(interval=1)
print("\nTotal CPU usage:", cpuload, "%")
print("Total system load:", load1m, "\n")
# conditions for setting turbo in powersave
if load1m > 4:
print("High load, setting turbo boost: on")
s.run("echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
footer(79)
elif cpuload > 50:
print("High CPU load, setting turbo boost: on")
s.run("echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
#print("\n" + "-" * 60 + "\n")
footer(79)
else:
print("Load optimal, setting turbo boost: off")
s.run("echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
#print("\n" + "-" * 60 + "\n")
footer(79)
# make turbo suggestions in powersave
def mon_powersave():
# get system/CPU load
load1m, _, _ = os.getloadavg()
# get CPU utilization as a percentage
cpuload = p.cpu_percent(interval=1)
print("\nTotal CPU usage:", cpuload, "%")
print("Total system load:", load1m, "\n")
if load1m > 2:
print("High load, suggesting to set turbo boost: on")
if cur_turbo == "0":
print("Currently turbo boost is: on")
else:
print("Currently turbo boost is: off")
footer(79)
elif cpuload > 25:
print("High CPU load, suggesting to set turbo boost: on")
if cur_turbo == "0":
print("Currently turbo boost is: on")
else:
print("Currently turbo boost is: off")
footer(79)
else:
print("Load optimal, suggesting to set turbo boost: off")
if cur_turbo == "0":
print("Currently turbo boost is: on")
else:
print("Currently turbo boost is: off")
footer(79)
# set performance and enable turbo
def set_performance():
print("Setting to use \"performance\" governor")
s.run("cpufreqctl --governor --set=performance", shell=True)
# get system/CPU load
load1m, _, _ = os.getloadavg()
# get CPU utilization as a percentage
cpuload = p.cpu_percent(interval=1)
print("\nTotal CPU usage:", cpuload, "%")
print("Total system load:", load1m, "\n")
print("Setting turbo boost: on")
s.run("echo 0 > /sys/devices/system/cpu/intel_pstate/no_turbo", shell=True)
footer(79)
# make turbo suggestions in performance
def mon_performance():
# get system/CPU load
load1m, _, _ = os.getloadavg()
# get CPU utilization as a percentage
cpuload = p.cpu_percent(interval=1)
print("\nTotal CPU usage:", cpuload, "%")
print("Total system load:", load1m, "\n")
if cur_turbo == "0":
print("Currently turbo boost is: on")
print("Suggesting to set turbo boost: on")
else:
print("Currently turbo boost is: off")
print("Suggesting to set turbo boost: on")
footer(79)
# set cpufreq based if device is charging
def set_autofreq():
print("\n" + "-" * 28 + " CPU frequency scaling " + "-" * 28 + "\n")
# get battery state
bat_state = p.sensors_battery().power_plugged
# determine which governor should be used
if bat_state == True:
print("Battery is: charging")
set_performance()
elif bat_state == False:
print("Battery is: discharging")
set_powersave()
else:
print("Couldn't detrmine battery status. Please report this issue.")
# make cpufreq suggestions
def mon_autofreq():
print("\n" + "-" * 28 + " CPU frequency scaling " + "-" * 28 + "\n")
# get battery state
bat_state = p.sensors_battery().power_plugged
# determine which governor should be used
if bat_state == True:
print("Battery is: charging")
print("Suggesting use of \"performance\" governor\nCurrently using:", gov_state)
mon_performance()
elif bat_state == False:
print("Battery is: discharging")
print("Suggesting use of \"powersave\" governor\nCurrently using:", gov_state)
mon_powersave()
else:
print("Couldn't detrmine battery status. Please report this issue.")
# get system information
def sysinfo():
# added as a temp fix for issue: https://github.com/giampaolo/psutil/issues/1650
import warnings
warnings.filterwarnings("ignore")
print("\n" + "-" * 29 + " System information " + "-" * 30 + "\n")
import distro
# get info about linux distro
fdist = distro.linux_distribution()
dist = " ".join(x for x in fdist)
print("Linux distro: " + dist)
print("Linux kernel: " + pl.release())
# driver check
driver = s.getoutput("cpufreqctl --driver")
print("Driver: " + driver)
# get cpu architecture
cpu_arch = pl.processor()
# get number of cores/logical CPU's
cpu_count = p.cpu_count()
print("Architecture:", cpu_arch)
# get processor
with open("/proc/cpuinfo", "r") as f:
line = f.readline()
while line:
if "model name" in line:
print("Processor:" + line.split(':')[1].rstrip())
break
line = f.readline()
print("Cores:", cpu_count)
print("\n" + "-" * 30 + " Current CPU states " + "-" * 30 + "\n")
# print cpu max frequency
max_cpu_freq = p.cpu_freq().max
print("CPU max frequency: " + "\n{:.0f}".format(max_cpu_freq) + " MHz\n")
# get current cpu frequency per core
core_usage = p.cpu_freq(percpu=True)
# print current cpu frequency per core
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
# get number of core temp sensors
core_temp_num = p.cpu_count(logical=False)
# get hardware temperatures
core_temp = p.sensors_temperatures()
# print temperature for each physical core
print("\nTemperature for each physical core:\n")
core_num = 0
while core_num < core_temp_num:
print("CPU" + str(core_num) + " temp: {:.0f}".format(core_temp['coretemp'][core_num].current) + "°C")
core_num += 1
# print current fan speed | temporarily commented
#current_fans = p.sensors_fans()['thinkpad'][0].current
#print("\nCPU fan speed:", current_fans, "RPM")
# read log func
def read_log():
if os.path.isfile(auto_cpufreq_log_file):
# read /var/log/auto-cpufreq.log
s.call(["tail", "-n 50", "-f", auto_cpufreq_log_file])
else:
print("\n" + "-" * 30 + " auto-cpufreq log " + "-" * 31 + "\n")
print("ERROR: auto-cpufreq log is missing.\n\nMake sure to run: \"python3 auto-cpufreq.py --install\" first")
footer(79)
def running_check():
daemon_marker = False
for proc in p.process_iter():
try:
pinfo = proc.as_dict(attrs=['pid', 'name', 'cmdline'])
except p.NoSuchProcess:
pass
else:
if pinfo['name'] == 'python3' and \
'/usr/bin/auto-cpufreq' in pinfo['cmdline'] and '--daemon' in pinfo['cmdline']:
daemon_marker = True
if daemon_marker:
print("\n" + "-" * 25 + " detected auto-cpufreq daemon" + "-" * 25 + "\n")
print("ERROR: prevention from running multiple instances")
print("\nIt seems like auto-cpufreq daemon is already running.\n")
print("----")
print("\nTo view live log run:\n\tauto-cpufreq --log")
footer(79)
sys.exit()
# cli
@click.command()
@click.option("--monitor", is_flag=True, help="Monitor and suggest CPU optimizations")
@click.option("--live", is_flag=True, help="Monitor and make suggested CPU optimizations")
@click.option("--install/--remove", default=True, help="Install/remove daemon for automatic CPU optimizations")
@click.option("--log", is_flag=True, help="View live CPU optimization log made by daemon")
@click.option("--daemon", is_flag=True, hidden=True)
def cli(monitor, live, daemon, install, log):
# print --help by default if no argument is provided when auto-cpufreq is run
if len(sys.argv) == 1:
print("\n" + "-" * 22 + " auto-cpufreq " + "-" * 23 + "\n")
print("Automatic CPU speed & power optimizer for Linux")
print("\nExample usage:\npython3 " + tool_run + " --monitor")
print("\n-----\n")
s.call(["python3", "auto-cpufreq.py", "--help"])
print("\n" + "-" * 59 + "\n")
else:
if daemon:
while True:
root_check()
gov_check()
cpufreqctl()
sysinfo()
set_autofreq()
countdown(5)
subprocess.call("clear")
elif monitor:
while True:
running_check()
root_check()
gov_check()
cpufreqctl()
sysinfo()
mon_autofreq()
countdown(5)
subprocess.call("clear")
elif live:
while True:
running_check()
root_check()
gov_check()
cpufreqctl()
sysinfo()
set_autofreq()
countdown(5)
subprocess.call("clear")
elif log:
read_log()
elif install:
running_check()
root_check()
gov_check()
deploy()
elif remove:
root_check()
remove()
if __name__ == '__main__':
# while True:
cli()