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baram.py
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baram.py
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import subprocess
import time
import csv
import datetime
import argparse
import os
import sys
import logging
import configparser
from pynvml import *
# Parse command line arguments
parser = argparse.ArgumentParser(description='Baram - Advanced System Cooling Management Tool')
parser.add_argument('--min-temp', type=int, default=20, help='Minimum temperature threshold (default: 20)')
parser.add_argument('--max-temp', type=int, default=80, help='Maximum temperature threshold (default: 80)')
parser.add_argument('--min-pwm-value', type=int, default=0, help='Minimum PWM Value for fan speed 0-255 value (default: 0)')
parser.add_argument('--max-pwm-value', type=int, default=255, help='Maximum PWM Value for fan speed 0-255 value (default: 255)')
parser.add_argument('--pwm-step', type=int, default=5, help='The PWM value step size for adjusting fan speed (default: 5)')
parser.add_argument('--temp-drop', type=int, default=3, help='Temperature drop threshold for fan speed reduction (default: 3)')
parser.add_argument('--config', type=str, default='/etc/baram/baram.conf', help='Path to configuration file')
parser.add_argument('--wattage-threshold', type=int, default=240, help='Wattage threshold for triggering increased fan speed (default: 240)')
parser.add_argument('--wattage-pwm-value', type=int, default=125, help='PWM value to set when wattage spike conditions are met (default: 125)')
parser.add_argument('--wattage-spike-count', type=int, default=3, help='Number of consecutive wattage spikes to trigger increased fan speed (default: 3)')
args = parser.parse_args()
# Setup logging
logging.basicConfig(filename="/var/log/baram/baram.log", level=logging.DEBUG, format='%(asctime)s - %(levelname)s - %(message)s')
data_log_file = "/var/log/baram/baram.out"
# Read configuration file
config = configparser.ConfigParser()
config.read(args.config)
# Update arguments from configuration file
args.min_temp = config.getint('Settings', 'min_temp', fallback=args.min_temp)
args.max_temp = config.getint('Settings', 'max_temp', fallback=args.max_temp)
args.min_pwm_value = config.getint('Settings', 'min_pwm_value', fallback=args.min_pwm_value)
args.max_pwm_value = config.getint('Settings', 'max_pwm_value', fallback=args.max_pwm_value)
args.wattage_threshold = config.getint('Settings', 'wattage_threshold', fallback=args.wattage_threshold)
args.wattage_pwm_value = config.getint('Settings', 'wattage_pwm_value', fallback=args.wattage_pwm_value)
args.sleep_interval = config.getint('Settings', 'sleep_interval', fallback=2)
args.wattage_spike_count = config.getint('Settings', 'wattage_spike_count', fallback=3)
def log_data(data):
with open(data_log_file, "a") as file:
writer = csv.writer(file)
writer.writerow(data)
MIN_TEMP = args.min_temp
MAX_TEMP = args.max_temp
MIN_PWM = args.min_pwm_value
MAX_PWM = args.max_pwm_value
TEMP_DROP = args.temp_drop
# Define temperature and corresponding PWM values
TEMP_THRESHOLDS = [30, 40, 50, 60, 70, MAX_TEMP]
PWM_RANGES = [(0, 0), (0, 30), (30, 60), (60, 90), (90, 120), (120, MAX_PWM)]
# PWM control file and fan speed file
PWM_FILE = "/sys/class/hwmon/hwmon2/pwm1"
FAN_SPEED_FILE = "/sys/class/hwmon/hwmon2/fan1_input"
PWM_ENABLE_FILE = "/sys/class/hwmon/hwmon2/pwm1_enable"
# Variables for tracking wattage spikes
actual_min_pwm_value = args.min_pwm_value
spike_count = 0
def set_pwm_control_mode(mode):
try:
with open(PWM_ENABLE_FILE, "w") as file:
file.write(str(mode))
print(f"PWM control mode set to {mode}")
except IOError as e:
print(f"Failed to set PWM control mode to {mode}: {str(e)}")
def get_gpu_temp(handle):
temperature = nvmlDeviceGetTemperature(handle, NVML_TEMPERATURE_GPU)
return temperature
def get_gpu_power(handle):
power = nvmlDeviceGetPowerUsage(handle) / 1000.0 # Convert milliwatts to watts
return power
def get_fan_speed():
try:
with open(FAN_SPEED_FILE, "r") as file:
return int(file.read().strip())
except IOError as e:
print(f"Failed to read fan speed: {str(e)}")
return None
def set_pwm_value(value):
try:
with open(PWM_FILE, "w") as file:
file.write(str(value))
except IOError as e:
print(f"Failed to write PWM value: {str(e)}")
def get_current_pwm_value():
try:
with open(PWM_FILE, "r") as file:
return int(file.read().strip())
except IOError as e:
print(f"Failed to read current PWM value: {str(e)}")
return None
def adjust_pwm_value(current_value, target_value, step):
if current_value < target_value:
return min(current_value + step, target_value)
elif current_value > target_value:
return max(current_value - step, target_value)
return current_value
# Initialize NVML
nvmlInit()
# Get GPU handle
gpu_index = 1
handle = nvmlDeviceGetHandleByIndex(gpu_index)
# Check and set PWM control mode to manual (1)
try:
with open(PWM_ENABLE_FILE, "r") as file:
current_mode = int(file.read().strip())
except IOError as e:
logging.error(f"Failed to read PWM control mode: {str(e)}")
if current_mode != 1:
set_pwm_control_mode(1)
# Write CSV header to log file
log_data(["date", "gpu_temp", "fan_speed", "pwm_value", "gpu_power"])
pwm_value = args.min_pwm_value
while True:
gpu_temp = get_gpu_temp(handle)
gpu_power = get_gpu_power(handle)
fan_speed = get_fan_speed()
if gpu_power >= args.wattage_threshold:
spike_count += 1
if spike_count > args.wattage_spike_count:
actual_min_pwm_value = args.wattage_pwm_value
logging.debug(f"Wattage spike detected. Setting minimum PWM value to {actual_min_pwm_value}.")
else:
if spike_count > 0:
spike_count -= 1
if spike_count == 0:
actual_min_pwm_value = args.min_pwm_value
logging.debug(f"Wattage spike ended. Resetting minimum PWM value to {actual_min_pwm_value}.")
# Temperature-based PWM adjustments
if gpu_temp < args.min_temp:
pwm_value = actual_min_pwm_value
else:
for i in range(len(TEMP_THRESHOLDS)):
if gpu_temp <= TEMP_THRESHOLDS[i]:
pwm_value = max(PWM_RANGES[i-1][1] + (gpu_temp - TEMP_THRESHOLDS[i-1]) * (PWM_RANGES[i][1] - PWM_RANGES[i-1][1]) // (TEMP_THRESHOLDS[i] - TEMP_THRESHOLDS[i-1]), actual_min_pwm_value)
break
else:
pwm_value = max(PWM_RANGES[-1][1], actual_min_pwm_value)
# Ensure PWM value is not lower than the actual minimum PWM value
pwm_value = max(pwm_value, actual_min_pwm_value)
# Adjust PWM value based on wattage
if gpu_power < args.wattage_threshold and pwm_value > actual_min_pwm_value:
pwm_value = max(pwm_value - args.pwm_step, actual_min_pwm_value)
# Set the new PWM value
set_pwm_value(pwm_value)
# Logging the data
timestamp = datetime.datetime.now().strftime("%Y-%m-%d-%H:%M:%S")
log_data([timestamp, gpu_temp, fan_speed, pwm_value, gpu_power])
logging.debug(f"Timestamp: {timestamp}, GPU Temp: {gpu_temp}, Fan Speed: {fan_speed}, PWM Value: {pwm_value}, GPU Power: {gpu_power}")
time.sleep(args.sleep_interval)
# Shutdown NVML
nvmlShutdown()