854 lines
32 KiB
Python
Executable File
854 lines
32 KiB
Python
Executable File
#!/usr/bin/env python3
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from __future__ import print_function
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import argparse
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import configparser
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import glob
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import gzip
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import os
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import re
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import struct
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import subprocess
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import sys
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from collections import defaultdict
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from datetime import datetime
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from errno import EACCES, EPERM
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from multiprocessing import cpu_count
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from platform import uname
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from threading import Event, Thread
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from time import time
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import dbus
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from dbus.mainloop.glib import DBusGMainLoop
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from gi.repository import GLib
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from mmio import MMIO, MMIOError
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DEFAULT_SYSFS_POWER_PATH = '/sys/class/power_supply/AC*/online'
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VOLTAGE_PLANES = {'CORE': 0, 'GPU': 1, 'CACHE': 2, 'UNCORE': 3, 'ANALOGIO': 4}
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CURRENT_PLANES = {'CORE': 0, 'GPU': 1, 'CACHE': 2}
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TRIP_TEMP_RANGE = [40, 97]
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UNDERVOLT_KEYS = ('UNDERVOLT', 'UNDERVOLT.AC', 'UNDERVOLT.BATTERY')
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ICCMAX_KEYS = ('ICCMAX', 'ICCMAX.AC', 'ICCMAX.BATTERY')
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power = {'source': None, 'method': 'polling'}
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HWP_VALUE = 0x20
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HWP_INTERVAL = 60
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platform_info_bits = {
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'maximum_non_turbo_ratio': [8, 15],
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'maximum_efficiency_ratio': [40, 47],
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'minimum_operating_ratio': [48, 55],
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'feature_ppin_cap': [23, 23],
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'feature_programmable_turbo_ratio': [28, 28],
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'feature_programmable_tdp_limit': [29, 29],
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'number_of_additional_tdp_profiles': [33, 34],
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'feature_programmable_temperature_target': [30, 30],
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'feature_low_power_mode': [32, 32],
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}
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thermal_status_bits = {
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'thermal_limit_status': [0, 0],
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'thermal_limit_log': [1, 1],
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'prochot_or_forcepr_status': [2, 2],
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'prochot_or_forcepr_log': [3, 3],
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'crit_temp_status': [4, 4],
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'crit_temp_log': [5, 5],
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'thermal_threshold1_status': [6, 6],
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'thermal_threshold1_log': [7, 7],
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'thermal_threshold2_status': [8, 8],
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'thermal_threshold2_log': [9, 9],
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'power_limit_status': [10, 10],
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'power_limit_log': [11, 11],
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'current_limit_status': [12, 12],
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'current_limit_log': [13, 13],
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'cross_domain_limit_status': [14, 14],
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'cross_domain_limit_log': [15, 15],
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'cpu_temp': [16, 22],
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'temp_resolution': [27, 30],
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'reading_valid': [31, 31],
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}
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supported_cpus = {
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'Haswell': (0x3C, 0x3F, 0x45, 0x46),
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'Broadwell': (0x3D, 0x47, 0x4F, 0x56),
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'Skylake': (0x4E, 0x55),
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'Skylake-S': (0x5E,),
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'Ice Lake': (0x7E,),
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'Kaby Lake (R)': (0x8E, 0x9E),
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'Coffee Lake': (0x9E,),
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'Cannon Lake': (0x66,),
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'Comet Lake': (0xA6,),
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}
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class bcolors:
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YELLOW = '\033[93m'
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GREEN = '\033[92m'
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RED = '\033[91m'
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RESET = '\033[0m'
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BOLD = '\033[1m'
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OK = bcolors.GREEN + bcolors.BOLD + 'OK' + bcolors.RESET
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ERR = bcolors.RED + bcolors.BOLD + 'ERR' + bcolors.RESET
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LIM = bcolors.YELLOW + bcolors.BOLD + 'LIM' + bcolors.RESET
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log_history = set()
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def log(msg, oneshot=False, end='\n'):
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outfile = args.log if args.log else sys.stdout
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if msg.strip() not in log_history or oneshot is False:
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tstamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
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full_msg = '{:s}: {:s}'.format(tstamp, msg) if args.log else msg
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print(full_msg, file=outfile, end=end)
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log_history.add(msg.strip())
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def fatal(msg, code=1, end='\n'):
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outfile = args.log if args.log else sys.stderr
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tstamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
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full_msg = '{:s}: [E] {:s}'.format(tstamp, msg) if args.log else '[E] {:s}'.format(msg)
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print(full_msg, file=outfile, end=end)
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sys.exit(code)
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def warning(msg, oneshot=True, end='\n'):
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outfile = args.log if args.log else sys.stderr
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if msg.strip() not in log_history or oneshot is False:
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tstamp = datetime.now().strftime('%Y-%m-%d %H:%M:%S.%f')[:-3]
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full_msg = '{:s}: [W] {:s}'.format(tstamp, msg) if args.log else '[W] {:s}'.format(msg)
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print(full_msg, file=outfile, end=end)
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log_history.add(msg.strip())
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def writemsr(msr, val):
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msr_list = ['/dev/cpu/{:d}/msr'.format(x) for x in range(cpu_count())]
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if not os.path.exists(msr_list[0]):
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try:
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subprocess.check_call(('modprobe', 'msr'))
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except subprocess.CalledProcessError:
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fatal('Unable to load the msr module.')
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try:
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for addr in msr_list:
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f = os.open(addr, os.O_WRONLY)
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os.lseek(f, msr, os.SEEK_SET)
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os.write(f, struct.pack('Q', val))
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os.close(f)
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except (IOError, OSError) as e:
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if e.errno == EPERM or e.errno == EACCES:
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fatal(
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'Unable to write to MSR. Try to disable Secure Boot '
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'and check if your kernel does not restrict access to MSR.'
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)
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else:
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raise e
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# returns the value between from_bit and to_bit as unsigned long
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def readmsr(msr, from_bit=0, to_bit=63, cpu=None, flatten=False):
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assert cpu is None or cpu in range(cpu_count())
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if from_bit > to_bit:
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fatal('Wrong readmsr bit params')
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msr_list = ['/dev/cpu/{:d}/msr'.format(x) for x in range(cpu_count())]
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if not os.path.exists(msr_list[0]):
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try:
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subprocess.check_call(('modprobe', 'msr'))
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except subprocess.CalledProcessError:
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fatal('Unable to load the msr module.')
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try:
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output = []
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for addr in msr_list:
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f = os.open(addr, os.O_RDONLY)
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os.lseek(f, msr, os.SEEK_SET)
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val = struct.unpack('Q', os.read(f, 8))[0]
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os.close(f)
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output.append(get_value_for_bits(val, from_bit, to_bit))
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if flatten:
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return output[0] if len(set(output)) == 1 else output
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return output[cpu] if cpu is not None else output
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except (IOError, OSError) as e:
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if e.errno == EPERM or e.errno == EACCES:
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fatal('Unable to read from MSR. Try to disable Secure Boot.')
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else:
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raise e
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def get_value_for_bits(val, from_bit=0, to_bit=63):
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mask = sum(2 ** x for x in range(from_bit, to_bit + 1))
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return (val & mask) >> from_bit
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def is_on_battery(config):
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try:
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for path in glob.glob(config.get('GENERAL', 'Sysfs_Power_Path', fallback=DEFAULT_SYSFS_POWER_PATH)):
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with open(path) as f:
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return not bool(int(f.read()))
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raise
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except:
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warning('No valid Sysfs_Power_Path found! Trying upower method #1')
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try:
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out = subprocess.check_output(('upower', '-i', '/org/freedesktop/UPower/devices/line_power_AC'))
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res = re.search(rb'online:\s+(yes|no)', out).group(1).decode().strip()
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if res == 'yes':
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return False
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elif res == 'no':
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return True
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raise
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except:
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warning('Trying upower method #2')
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try:
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out = subprocess.check_output(('upower', '-i', '/org/freedesktop/UPower/devices/battery_BAT0'))
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res = re.search(rb'state:\s+(.+)', out).group(1).decode().strip()
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if res == 'discharging':
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return True
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elif res in ('fully-charged', 'charging'):
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return False
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except:
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pass
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warning('No valid power detection methods found. Assuming that the system is running on battery power.')
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return True
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def get_cpu_platform_info():
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features_msr_value = readmsr(0xCE, cpu=0)
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cpu_platform_info = {}
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for key, value in platform_info_bits.items():
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cpu_platform_info[key] = int(get_value_for_bits(features_msr_value, value[0], value[1]))
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return cpu_platform_info
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def get_reset_thermal_status():
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# read thermal status
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thermal_status_msr_value = readmsr(0x19C)
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thermal_status = []
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for core in range(cpu_count()):
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thermal_status_core = {}
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for key, value in thermal_status_bits.items():
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thermal_status_core[key] = int(get_value_for_bits(thermal_status_msr_value[core], value[0], value[1]))
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thermal_status.append(thermal_status_core)
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# reset log bits
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writemsr(0x19C, 0)
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return thermal_status
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def get_time_unit():
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# 0.000977 is the time unit of my CPU
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# TODO formula might be different for other CPUs
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return 1.0 / 2 ** readmsr(0x606, 16, 19, cpu=0)
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def get_power_unit():
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# 0.125 is the power unit of my CPU
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# TODO formula might be different for other CPUs
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return 1.0 / 2 ** readmsr(0x606, 0, 3, cpu=0)
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def get_critical_temp():
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# the critical temperature for my CPU is 100 'C
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return readmsr(0x1A2, 16, 23, cpu=0)
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def get_cur_pkg_power_limits():
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value = readmsr(0x610, 0, 55, flatten=True)
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return {
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'PL1': get_value_for_bits(value, 0, 14),
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'TW1': get_value_for_bits(value, 17, 23),
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'PL2': get_value_for_bits(value, 32, 46),
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'TW2': get_value_for_bits(value, 49, 55),
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}
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def calc_time_window_vars(t):
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time_unit = get_time_unit()
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for Y in range(2 ** 5):
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for Z in range(2 ** 2):
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if t <= (2 ** Y) * (1.0 + Z / 4.0) * time_unit:
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return (Y, Z)
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raise ValueError('Unable to find a good combination!')
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def calc_undervolt_msr(plane, offset):
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"""Return the value to be written in the MSR 150h for setting the given
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offset voltage (in mV) to the given voltage plane.
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"""
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assert offset <= 0
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assert plane in VOLTAGE_PLANES
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offset = int(round(offset * 1.024))
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offset = 0xFFE00000 & ((offset & 0xFFF) << 21)
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return 0x8000001100000000 | (VOLTAGE_PLANES[plane] << 40) | offset
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def calc_undervolt_mv(msr_value):
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"""Return the offset voltage (in mV) from the given raw MSR 150h value.
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"""
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offset = (msr_value & 0xFFE00000) >> 21
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offset = offset if offset <= 0x400 else -(0x800 - offset)
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return int(round(offset / 1.024))
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def get_undervolt(plane=None, convert=False):
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planes = [plane] if plane in VOLTAGE_PLANES else VOLTAGE_PLANES
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out = {}
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for plane in planes:
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writemsr(0x150, 0x8000001000000000 | (VOLTAGE_PLANES[plane] << 40))
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read_value = readmsr(0x150, flatten=True) & 0xFFFFFFFF
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out[plane] = calc_undervolt_mv(read_value) if convert else read_value
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return out
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def undervolt(config):
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for plane in VOLTAGE_PLANES:
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write_offset_mv = config.getfloat(
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'UNDERVOLT.{:s}'.format(power['source']), plane, fallback=config.getfloat('UNDERVOLT', plane, fallback=0.0)
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)
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write_value = calc_undervolt_msr(plane, write_offset_mv)
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writemsr(0x150, write_value)
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if args.debug:
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write_value &= 0xFFFFFFFF
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read_value = get_undervolt(plane)[plane]
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read_offset_mv = calc_undervolt_mv(read_value)
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match = OK if write_value == read_value else ERR
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log(
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'[D] Undervolt plane {:s} - write {:.0f} mV ({:#x}) - read {:.0f} mV ({:#x}) - match {}'.format(
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plane, write_offset_mv, write_value, read_offset_mv, read_value, match
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)
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)
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def calc_icc_max_msr(plane, current):
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"""Return the value to be written in the MSR 150h for setting the given
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IccMax (in A) to the given current plane.
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"""
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assert 0 < current <= 0x3FF
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assert plane in CURRENT_PLANES
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current = int(round(current * 4))
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return 0x8000001700000000 | (CURRENT_PLANES[plane] << 40) | current
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def calc_icc_max_amp(msr_value):
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"""Return the max current (in A) from the given raw MSR 150h value.
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"""
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return (msr_value & 0x3FF) / 4.0
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def get_icc_max(plane=None, convert=False):
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planes = [plane] if plane in CURRENT_PLANES else CURRENT_PLANES
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out = {}
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for plane in planes:
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writemsr(0x150, 0x8000001600000000 | (CURRENT_PLANES[plane] << 40))
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read_value = readmsr(0x150, flatten=True) & 0x3FF
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out[plane] = calc_icc_max_amp(read_value) if convert else read_value
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return out
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def set_icc_max(config):
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for plane in CURRENT_PLANES:
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try:
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write_current_amp = config.getfloat(
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'ICCMAX.{:s}'.format(power['source']), plane, fallback=config.getfloat('ICCMAX', plane, fallback=-1.0)
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)
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if write_current_amp > 0:
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write_value = calc_icc_max_msr(plane, write_current_amp)
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writemsr(0x150, write_value)
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if args.debug:
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write_value &= 0x3FF
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read_value = get_icc_max(plane)[plane]
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read_current_A = calc_icc_max_amp(read_value)
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match = OK if write_value == read_value else ERR
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log(
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'[D] IccMax plane {:s} - write {:.2f} A ({:#x}) - read {:.2f} A ({:#x}) - match {}'.format(
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plane, write_current_amp, write_value, read_current_A, read_value, match
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)
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)
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except (configparser.NoSectionError, configparser.NoOptionError):
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pass
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def load_config():
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config = configparser.ConfigParser()
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config.read(args.config)
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# config values sanity check
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for power_source in ('AC', 'BATTERY'):
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for option in ('Update_Rate_s', 'PL1_Tdp_W', 'PL1_Duration_s', 'PL2_Tdp_W', 'PL2_Duration_S'):
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value = config.getfloat(power_source, option, fallback=None)
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if value is not None:
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value = config.set(power_source, option, str(max(0.001, value)))
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elif option == 'Update_Rate_s':
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fatal('The mandatory "Update_Rate_s" parameter is missing.')
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trip_temp = config.getfloat(power_source, 'Trip_Temp_C', fallback=None)
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if trip_temp is not None:
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valid_trip_temp = min(TRIP_TEMP_RANGE[1], max(TRIP_TEMP_RANGE[0], trip_temp))
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if trip_temp != valid_trip_temp:
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config.set(power_source, 'Trip_Temp_C', str(valid_trip_temp))
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log(
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'[!] Overriding invalid "Trip_Temp_C" value in "{:s}": {:.1f} -> {:.1f}'.format(
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power_source, trip_temp, valid_trip_temp
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)
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)
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# fix any invalid value (ie. > 0) in the undervolt settings
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for key in UNDERVOLT_KEYS:
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for plane in VOLTAGE_PLANES:
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if key in config:
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value = config.getfloat(key, plane)
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valid_value = min(0, value)
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if value != valid_value:
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config.set(key, plane, str(valid_value))
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log(
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'[!] Overriding invalid "{:s}" value in "{:s}" voltage plane: {:.0f} -> {:.0f}'.format(
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key, plane, value, valid_value
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)
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)
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# handle the case where only one of UNDERVOLT.AC, UNDERVOLT.BATTERY keys exists
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# by forcing the other key to all zeros (ie. no undervolt)
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if any(key in config for key in UNDERVOLT_KEYS[1:]):
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for key in UNDERVOLT_KEYS[1:]:
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if key not in config:
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config.add_section(key)
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for plane in VOLTAGE_PLANES:
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value = config.getfloat(key, plane, fallback=0.0)
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config.set(key, plane, str(value))
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# Check for CORE/CACHE values mismatch
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for key in UNDERVOLT_KEYS:
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if key in config:
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if config.getfloat(key, 'CORE', fallback=0) != config.getfloat(key, 'CACHE', fallback=0):
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warning('On Skylake and newer CPUs CORE and CACHE values should match!')
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break
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iccmax_enabled = False
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# check for invalid values (ie. <= 0 or > 0x3FF) in the IccMax settings
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for key in ICCMAX_KEYS:
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for plane in CURRENT_PLANES:
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if key in config:
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try:
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value = config.getfloat(key, plane)
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if value <= 0 or value >= 0x3FF:
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raise ValueError
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iccmax_enabled = True
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except ValueError:
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warning('Invalid value for {:s} in {:s}'.format(plane, key), oneshot=False)
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config.remove_option(key, plane)
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except configparser.NoOptionError:
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pass
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if iccmax_enabled:
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warning('Warning! Raising IccMax above design limits can damage your system!')
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return config
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def calc_reg_values(platform_info, config):
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regs = defaultdict(dict)
|
|
for power_source in ('AC', 'BATTERY'):
|
|
if platform_info['feature_programmable_temperature_target'] != 1:
|
|
warning("Setting temperature target is not supported by this CPU")
|
|
else:
|
|
# the critical temperature for my CPU is 100 'C
|
|
critical_temp = get_critical_temp()
|
|
# update the allowed temp range to keep at least 3 'C from the CPU critical temperature
|
|
global TRIP_TEMP_RANGE
|
|
TRIP_TEMP_RANGE[1] = min(TRIP_TEMP_RANGE[1], critical_temp - 3)
|
|
|
|
Trip_Temp_C = config.getfloat(power_source, 'Trip_Temp_C', fallback=None)
|
|
if Trip_Temp_C is not None:
|
|
trip_offset = int(round(critical_temp - Trip_Temp_C))
|
|
regs[power_source]['MSR_TEMPERATURE_TARGET'] = trip_offset << 24
|
|
else:
|
|
log('[I] {:s} trip temperature is disabled in config.'.format(power_source))
|
|
|
|
power_unit = get_power_unit()
|
|
|
|
PL1_Tdp_W = config.getfloat(power_source, 'PL1_Tdp_W', fallback=None)
|
|
PL1_Duration_s = config.getfloat(power_source, 'PL1_Duration_s', fallback=None)
|
|
PL2_Tdp_W = config.getfloat(power_source, 'PL2_Tdp_W', fallback=None)
|
|
PL2_Duration_s = config.getfloat(power_source, 'PL2_Duration_s', fallback=None)
|
|
|
|
if (PL1_Tdp_W, PL1_Duration_s, PL2_Tdp_W, PL2_Duration_s).count(None) < 4:
|
|
cur_pkg_power_limits = get_cur_pkg_power_limits()
|
|
if PL1_Tdp_W is None:
|
|
PL1 = cur_pkg_power_limits['PL1']
|
|
log('[I] {:s} PL1_Tdp_W disabled in config.'.format(power_source))
|
|
else:
|
|
PL1 = int(round(PL1_Tdp_W / power_unit))
|
|
|
|
if PL1_Duration_s is None:
|
|
TW1 = cur_pkg_power_limits['TW1']
|
|
log('[I] {:s} PL1_Duration_s disabled in config.'.format(power_source))
|
|
else:
|
|
Y, Z = calc_time_window_vars(PL1_Duration_s)
|
|
TW1 = Y | (Z << 5)
|
|
|
|
if PL2_Tdp_W is None:
|
|
PL2 = cur_pkg_power_limits['PL2']
|
|
log('[I] {:s} PL2_Tdp_W disabled in config.'.format(power_source))
|
|
else:
|
|
PL2 = int(round(PL2_Tdp_W / power_unit))
|
|
|
|
if PL2_Duration_s is None:
|
|
TW2 = cur_pkg_power_limits['TW2']
|
|
log('[I] {:s} PL2_Duration_s disabled in config.'.format(power_source))
|
|
else:
|
|
Y, Z = calc_time_window_vars(PL2_Duration_s)
|
|
TW2 = Y | (Z << 5)
|
|
|
|
regs[power_source]['MSR_PKG_POWER_LIMIT'] = (
|
|
PL1 | (1 << 15) | (1 << 16) | (TW1 << 17) | (PL2 << 32) | (1 << 47) | (TW2 << 49)
|
|
)
|
|
else:
|
|
log('[I] {:s} package power limits are disabled in config.'.format(power_source))
|
|
|
|
# cTDP
|
|
c_tdp_target_value = config.getint(power_source, 'cTDP', fallback=None)
|
|
if c_tdp_target_value is not None:
|
|
if platform_info['feature_programmable_tdp_limit'] != 1:
|
|
log("[W] cTDP setting not supported by this CPU")
|
|
elif platform_info['number_of_additional_tdp_profiles'] < c_tdp_target_value:
|
|
log("[W] the configured cTDP profile is not supported by this CPU")
|
|
else:
|
|
valid_c_tdp_target_value = max(0, c_tdp_target_value)
|
|
regs[power_source]['MSR_CONFIG_TDP_CONTROL'] = valid_c_tdp_target_value
|
|
return regs
|
|
|
|
|
|
def set_hwp():
|
|
# set HWP energy performance preference
|
|
cur_val = readmsr(0x774, cpu=0)
|
|
new_val = (cur_val & 0xFFFFFFFF00FFFFFF) | (HWP_VALUE << 24)
|
|
|
|
writemsr(0x774, new_val)
|
|
if args.debug:
|
|
read_value = readmsr(0x774, from_bit=24, to_bit=31)[0]
|
|
match = OK if HWP_VALUE == read_value else ERR
|
|
log('[D] HWP - write "{:#02x}" - read "{:#02x}" - match {}'.format(HWP_VALUE, read_value, match))
|
|
|
|
|
|
def set_disable_bdprochot():
|
|
# Disable BDPROCHOT
|
|
cur_val = readmsr(0x1FC, flatten=True)
|
|
new_val = cur_val & 0xFFFFFFFFFFFFFFFE
|
|
|
|
writemsr(0x1FC, new_val)
|
|
if args.debug:
|
|
read_value = readmsr(0x1FC, from_bit=31, to_bit=31)[0]
|
|
match = OK if ~read_value else ERR
|
|
log('[D] BDPROCHOT - write "{:#02x}" - read "{:#02x}" - match {}'.format(0, read_value, match))
|
|
|
|
|
|
def power_thread(config, regs, exit_event):
|
|
try:
|
|
mchbar_mmio = MMIO(0xFED159A0, 8)
|
|
except MMIOError:
|
|
warning('Unable to open /dev/mem. TDP override might not work correctly.')
|
|
warning('Try to disable Secure Boot and/or enable CONFIG_DEVMEM in kernel config.')
|
|
mchbar_mmio = None
|
|
|
|
next_hwp_write = 0
|
|
while not exit_event.is_set():
|
|
# log thermal status
|
|
if args.debug:
|
|
thermal_status = get_reset_thermal_status()
|
|
for index, core_thermal_status in enumerate(thermal_status):
|
|
for key, value in core_thermal_status.items():
|
|
log('[D] core {} thermal status: {} = {}'.format(index, key.replace("_", " "), value))
|
|
|
|
# switch back to sysfs polling
|
|
if power['method'] == 'polling':
|
|
power['source'] = 'BATTERY' if is_on_battery(config) else 'AC'
|
|
|
|
# set temperature trip point
|
|
if 'MSR_TEMPERATURE_TARGET' in regs[power['source']]:
|
|
write_value = regs[power['source']]['MSR_TEMPERATURE_TARGET']
|
|
writemsr(0x1A2, write_value)
|
|
if args.debug:
|
|
read_value = readmsr(0x1A2, 24, 29, flatten=True)
|
|
match = OK if write_value >> 24 == read_value else ERR
|
|
log(
|
|
'[D] TEMPERATURE_TARGET - write {:#x} - read {:#x} - match {}'.format(
|
|
write_value >> 24, read_value, match
|
|
)
|
|
)
|
|
|
|
# set cTDP
|
|
if 'MSR_CONFIG_TDP_CONTROL' in regs[power['source']]:
|
|
write_value = regs[power['source']]['MSR_CONFIG_TDP_CONTROL']
|
|
writemsr(0x64B, write_value)
|
|
if args.debug:
|
|
read_value = readmsr(0x64B, 0, 1, flatten=True)
|
|
match = OK if write_value == read_value else ERR
|
|
log(
|
|
'[D] CONFIG_TDP_CONTROL - write {:#x} - read {:#x} - match {}'.format(
|
|
write_value, read_value, match
|
|
)
|
|
)
|
|
|
|
# set PL1/2 on MSR
|
|
write_value = regs[power['source']]['MSR_PKG_POWER_LIMIT']
|
|
writemsr(0x610, write_value)
|
|
if args.debug:
|
|
read_value = readmsr(0x610, 0, 55, flatten=True)
|
|
match = OK if write_value == read_value else ERR
|
|
log(
|
|
'[D] MSR PACKAGE_POWER_LIMIT - write {:#x} - read {:#x} - match {}'.format(
|
|
write_value, read_value, match
|
|
)
|
|
)
|
|
if mchbar_mmio is not None:
|
|
# set MCHBAR register to the same PL1/2 values
|
|
mchbar_mmio.write32(0, write_value & 0xFFFFFFFF)
|
|
mchbar_mmio.write32(4, write_value >> 32)
|
|
if args.debug:
|
|
read_value = mchbar_mmio.read32(0) | (mchbar_mmio.read32(4) << 32)
|
|
match = OK if write_value == read_value else ERR
|
|
log(
|
|
'[D] MCHBAR PACKAGE_POWER_LIMIT - write {:#x} - read {:#x} - match {}'.format(
|
|
write_value, read_value, match
|
|
)
|
|
)
|
|
|
|
# Disable BDPROCHOT
|
|
disable_bdprochot = config.getboolean(power['source'], 'Disable_BDPROCHOT', fallback=None)
|
|
if disable_bdprochot is not None:
|
|
set_disable_bdprochot()
|
|
|
|
wait_t = config.getfloat(power['source'], 'Update_Rate_s')
|
|
enable_hwp_mode = config.getboolean('AC', 'HWP_Mode', fallback=False)
|
|
# set HWP less frequently. Just to be safe since (e.g.) TLP might reset this value
|
|
if (
|
|
enable_hwp_mode
|
|
and next_hwp_write <= time()
|
|
and (
|
|
(power['method'] == 'dbus' and power['source'] == 'AC')
|
|
or (power['method'] == 'polling' and not is_on_battery(config))
|
|
)
|
|
):
|
|
set_hwp()
|
|
next_hwp_write = time() + HWP_INTERVAL
|
|
|
|
else:
|
|
exit_event.wait(wait_t)
|
|
|
|
|
|
def check_kernel():
|
|
if os.geteuid() != 0:
|
|
fatal('No root no party. Try again with sudo.')
|
|
|
|
kernel_config = None
|
|
try:
|
|
with open(os.path.join('/boot', 'config-{:s}'.format(uname()[2]))) as f:
|
|
kernel_config = f.read()
|
|
except IOError:
|
|
config_gz_path = os.path.join('/proc', 'config.gz')
|
|
try:
|
|
if not os.path.isfile(config_gz_path):
|
|
subprocess.check_call(('modprobe', 'configs'))
|
|
with gzip.open(config_gz_path) as f:
|
|
kernel_config = f.read().decode()
|
|
except (subprocess.CalledProcessError, IOError):
|
|
pass
|
|
if kernel_config is None:
|
|
log('[W] Unable to obtain and validate kernel config.')
|
|
return
|
|
elif not re.search('CONFIG_DEVMEM=y', kernel_config):
|
|
warning('Bad kernel config: you need CONFIG_DEVMEM=y.')
|
|
if not re.search('CONFIG_X86_MSR=(y|m)', kernel_config):
|
|
fatal('Bad kernel config: you need CONFIG_X86_MSR builtin or as module.')
|
|
|
|
|
|
def check_cpu():
|
|
try:
|
|
with open('/proc/cpuinfo') as f:
|
|
cpuinfo = {}
|
|
for row in f.readlines():
|
|
try:
|
|
key, value = map(lambda x: x.strip(), row.split(':'))
|
|
if key == 'processor' and value == '1':
|
|
break
|
|
try:
|
|
cpuinfo[key] = int(value, 0)
|
|
except ValueError:
|
|
cpuinfo[key] = value
|
|
except ValueError:
|
|
pass
|
|
if cpuinfo['vendor_id'] != 'GenuineIntel':
|
|
fatal('This tool is designed for Intel CPUs only.')
|
|
|
|
cpu_model = None
|
|
for model in supported_cpus:
|
|
if cpuinfo['model'] in supported_cpus[model]:
|
|
cpu_model = model
|
|
break
|
|
if cpuinfo['cpu family'] != 6 or cpu_model is None:
|
|
fatal('Your CPU model is not supported.')
|
|
|
|
log('[I] Detected CPU architecture: Intel {:s}'.format(cpu_model))
|
|
except:
|
|
fatal('Unable to identify CPU model.')
|
|
|
|
|
|
def monitor(exit_event, wait):
|
|
IA32_THERM_STATUS = 0x19C
|
|
IA32_PERF_STATUS = 0x198
|
|
MSR_RAPL_POWER_UNIT = 0x606
|
|
MSR_INTEL_PKG_ENERGY_STATUS = 0x611
|
|
MSR_PP1_ENERGY_STATUS = 0x641
|
|
MSR_DRAM_ENERGY_STATUS = 0x619
|
|
|
|
wait = max(0.1, wait)
|
|
rapl_power_unit = 0.5 ** readmsr(MSR_RAPL_POWER_UNIT, from_bit=8, to_bit=12, cpu=0)
|
|
power_plane_msr = {
|
|
'Package': MSR_INTEL_PKG_ENERGY_STATUS,
|
|
'Graphics': MSR_PP1_ENERGY_STATUS,
|
|
'DRAM': MSR_DRAM_ENERGY_STATUS,
|
|
}
|
|
prev_energy = {
|
|
'Package': (readmsr(MSR_INTEL_PKG_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
|
|
'Graphics': (readmsr(MSR_PP1_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
|
|
'DRAM': (readmsr(MSR_DRAM_ENERGY_STATUS, cpu=0) * rapl_power_unit, time()),
|
|
}
|
|
|
|
undervolt_values = get_undervolt(convert=True)
|
|
undervolt_output = ' | '.join('{:s}: {:.2f} mV'.format(plane, undervolt_values[plane]) for plane in VOLTAGE_PLANES)
|
|
log('[D] Undervolt offsets: {:s}'.format(undervolt_output))
|
|
|
|
iccmax_values = get_icc_max(convert=True)
|
|
iccmax_output = ' | '.join('{:s}: {:.2f} A'.format(plane, iccmax_values[plane]) for plane in CURRENT_PLANES)
|
|
log('[D] IccMax: {:s}'.format(iccmax_output))
|
|
|
|
log('[D] Realtime monitoring of throttling causes:\n')
|
|
while not exit_event.is_set():
|
|
value = readmsr(IA32_THERM_STATUS, from_bit=0, to_bit=15, cpu=0)
|
|
offsets = {'Thermal': 0, 'Power': 10, 'Current': 12, 'Cross-domain (e.g. GPU)': 14}
|
|
output = ('{:s}: {:s}'.format(cause, LIM if bool((value >> offsets[cause]) & 1) else OK) for cause in offsets)
|
|
|
|
# ugly code, just testing...
|
|
vcore = readmsr(IA32_PERF_STATUS, from_bit=32, to_bit=47, cpu=0) / (2.0 ** 13) * 1000
|
|
stats2 = {'VCore': '{:.0f} mV'.format(vcore)}
|
|
for power_plane in ('Package', 'Graphics', 'DRAM'):
|
|
energy_j = readmsr(power_plane_msr[power_plane], cpu=0) * rapl_power_unit
|
|
now = time()
|
|
prev_energy[power_plane], energy_w = (
|
|
(energy_j, now),
|
|
(energy_j - prev_energy[power_plane][0]) / (now - prev_energy[power_plane][1]),
|
|
)
|
|
stats2[power_plane] = '{:.1f} W'.format(energy_w)
|
|
output2 = ('{:s}: {:s}'.format(label, stats2[label]) for label in stats2)
|
|
terminator = '\n' if args.log else '\r'
|
|
log(
|
|
'[{}] {} || {}{}'.format(power['source'], ' - '.join(output), ' - '.join(output2), ' ' * 10),
|
|
end=terminator,
|
|
)
|
|
exit_event.wait(wait)
|
|
|
|
|
|
def main():
|
|
global args
|
|
|
|
parser = argparse.ArgumentParser()
|
|
exclusive_group = parser.add_mutually_exclusive_group()
|
|
exclusive_group.add_argument('--debug', action='store_true', help='add some debug info and additional checks')
|
|
exclusive_group.add_argument(
|
|
'--monitor',
|
|
metavar='update_rate',
|
|
const=1.0,
|
|
type=float,
|
|
nargs='?',
|
|
help='realtime monitoring of throttling causes (default 1s)',
|
|
)
|
|
parser.add_argument('--config', default='/etc/lenovo_fix.conf', help='override default config file path')
|
|
parser.add_argument('--force', action='store_true', help='bypass compatibility checks (EXPERTS only)')
|
|
parser.add_argument('--log', metavar='/path/to/file', help='log to file instead of stdout')
|
|
args = parser.parse_args()
|
|
|
|
if args.log:
|
|
try:
|
|
args.log = open(args.log, 'w')
|
|
except:
|
|
args.log = None
|
|
fatal('Unable to write to the log file!')
|
|
|
|
if not args.force:
|
|
check_kernel()
|
|
check_cpu()
|
|
|
|
log('[I] Loading config file.')
|
|
config = load_config()
|
|
power['source'] = 'BATTERY' if is_on_battery(config) else 'AC'
|
|
|
|
platform_info = get_cpu_platform_info()
|
|
if args.debug:
|
|
for key, value in platform_info.items():
|
|
log('[D] cpu platform info: {} = {}'.format(key.replace("_", " "), value))
|
|
regs = calc_reg_values(platform_info, config)
|
|
|
|
if not config.getboolean('GENERAL', 'Enabled'):
|
|
log('[I] Throttled is disabled in config file... Quitting. :(')
|
|
return
|
|
|
|
exit_event = Event()
|
|
thread = Thread(target=power_thread, args=(config, regs, exit_event))
|
|
thread.daemon = True
|
|
thread.start()
|
|
|
|
undervolt(config)
|
|
set_icc_max(config)
|
|
|
|
# handle dbus events for applying undervolt/IccMax on resume from sleep/hybernate
|
|
def handle_sleep_callback(sleeping):
|
|
if not sleeping:
|
|
undervolt(config)
|
|
set_icc_max(config)
|
|
|
|
def handle_ac_callback(*args):
|
|
try:
|
|
power['source'] = 'BATTERY' if args[1]['Online'] == 0 else 'AC'
|
|
power['method'] = 'dbus'
|
|
except:
|
|
power['method'] = 'polling'
|
|
|
|
DBusGMainLoop(set_as_default=True)
|
|
bus = dbus.SystemBus()
|
|
|
|
# add dbus receiver only if undervolt/IccMax is enabled in config
|
|
if any(
|
|
config.getfloat(key, plane, fallback=0) != 0 for plane in VOLTAGE_PLANES for key in UNDERVOLT_KEYS + ICCMAX_KEYS
|
|
):
|
|
bus.add_signal_receiver(
|
|
handle_sleep_callback, 'PrepareForSleep', 'org.freedesktop.login1.Manager', 'org.freedesktop.login1'
|
|
)
|
|
bus.add_signal_receiver(
|
|
handle_ac_callback,
|
|
signal_name="PropertiesChanged",
|
|
dbus_interface="org.freedesktop.DBus.Properties",
|
|
path="/org/freedesktop/UPower/devices/line_power_AC",
|
|
)
|
|
|
|
log('[I] Starting main loop.')
|
|
|
|
if args.monitor is not None:
|
|
monitor_thread = Thread(target=monitor, args=(exit_event, args.monitor))
|
|
monitor_thread.daemon = True
|
|
monitor_thread.start()
|
|
|
|
try:
|
|
loop = GLib.MainLoop()
|
|
loop.run()
|
|
except (KeyboardInterrupt, SystemExit):
|
|
pass
|
|
|
|
exit_event.set()
|
|
loop.quit()
|
|
thread.join(timeout=1)
|
|
if args.monitor is not None:
|
|
monitor_thread.join(timeout=0.1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
main()
|