[Linux ☓ Nvidia] Curve Contrôlez le ventilateur

environnement

Linux Ubuntu bionic xfce

couler

  1. Préparez un script
  2. Créez un fichier de bureau dans / usr / share / applications 3.2 Copiez le fichier de bureau créé en 2 dans ~ / .config / autostart
  3. reboot or logout

1. Préparez un script

Fichier de contrôle du ventilateur

/opt/fan-curve-control/exec.sh


#!/bin/sh

prf() { printf %s\\n "$*" ; }
z=$0; display=""; CDPATH=""; fname=""; num_gpus="0"; num_fans="0"; debug="0"
max_t="0"; max_t2="0"; mnt="0"; mxt="0"; ot="0"; tdiff="0"; cur_t="0"
new_spd="0"; cur_spd="0"; old_t="200"; check_diff1="0"; check_diff2="0"
fcurve_len="0"; fcurve_len2="0"; num_gpus_loop="0"; num_fans_loop="0"; old_s="0"
otl="-1"; sleep_override=""; gpu_cmd="nvidia-settings"

usage="Usage: $(basename "$0") [OPTION]...

where:
-c  [ARG] configuration file (default: $PWD/config)
-d  [ARG] display device string (e.g. \":0\", \"CRT-0\"), defaults to auto
-D  run in daemon mode (background process), using sh
-h  show this help text
-l  enable logging to stdout
-s  [ARG] set the sleep time (in seconds)
-v  show the current version of this script"

{ \unalias command; \unset -f command; } >/dev/null 2>&1
[ -n "$ZSH_VERSION" ] && options[POSIX_BUILTINS]=on
while true; do
	[ -L "$z" ] || [ -e "$z" ] || { prf "'$z' is invalid" >&2; exit 1; }
	command cd "$(command dirname -- "$z")"
	fname=$(command basename -- "$z"); [ "$fname" = '/' ] && fname=''
	if [ -L "$fname" ]; then
		z=$(command ls -l "$fname"); z=${z#* -> }; continue
	fi; break
done; conf_file=$(command pwd -P)
if [ "$fname" = '.' ]; then
	conf_file=${conf_file%/}
elif [ "$fname" = '..' ]; then
	conf_file=$(command dirname -- "${conf_file}")
else
	conf_file=${conf_file%/}/$fname
fi
conf_file=$(dirname -- "$conf_file")"/config"

while getopts ":c: :d: :D :h :l :s: :v :x" opt; do
	if [ "$opt" = "c" ]; then conf_file="$OPTARG"
	elif [ "$opt" = "d" ]; then display="-c $OPTARG"
	elif [ "$opt" = "D" ]; then nohup sh temp.sh >/dev/null 2>&1 &
		exit 1
	elif [ "$opt" = "h" ]; then prf "$usage"; exit 0
	elif [ "$opt" = "l" ]; then debug="1"
	elif [ "$opt" = "s" ]; then sleep_override="$OPTARG"
	elif [ "$opt" = "v" ]; then prf "Version 18"; exit 0
	elif [ "$opt" = "x" ]; then gpu_cmd="../nssim/nssim nvidia-settings"
	elif [ "$opt" = ":" ]; then prf "Option -$OPTARG requires an argument"
	else prf "Invalid option: -$OPTARG"; exit 1
	fi
done

prf "
################################################################################
#          nan0s7's script for automatically managing GPU fan speed            #
################################################################################
"
# FUNCTIONS THAT REQUIRE CERTAIN DEPENDENCIES TO BE MET
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# DEPENDS: PROCPS
kill_already_running() {
	tmp="$(pgrep -c temp.sh)"
	if [ "$tmp" -gt "1" ]; then
		process_pid="$(pgrep -o temp.sh)"
		kill "$process_pid"; prf "Killed $process_pid"
	fi
}
# DEPENDS: NVIDIA-SETTINGS
get_temp() {
	cur_t="$($gpu_cmd -q=[gpu:"$gpu"]/GPUCoreTemp -t $display)"
}
get_query() {
	prf "$($gpu_cmd -q "$1" $display)"
}
set_fan_control() {
	i=0
	while [ "$i" -le "$1" ]; do
		$gpu_cmd -a [gpu:"$i"]/GPUFanControlState="$2" $display
		i=$((i+1))
	done
}
set_speed() {
	$gpu_cmd -a [fan:"$fan"]/GPUTargetFanSpeed="$cur_spd" $display
}
finish() {
	set_fan_control "$num_gpus_loop" "0"
	prf "Fan control set back to auto mode"; exit 0
}; trap " finish" INT
#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
echo_info() {
	e=" t=$cur_t ot=$ot td=$tdiff s=$sleep_time gpu=$gpu fan=$fan cd=$chd"
	e="$e nsp=$new_spd osp=$cur_spd maxt=$mxt mint=$mnt otl=$otl"
	prf "$e"
}
arr_size() {
	arr_len=0
	for element in $arr; do
		arr_len=$((arr_len+1))
	done
}
re_elem() {
	i=0
	elem=0
	for elem in $arr; do
		if [ "$i" -ne "$n" ]; then
			i=$((i+1))
		else
			break
		fi
	done
}
loop_cmds() {
	get_temp
	if [ "$cur_t" -ne "$ot" ]; then
		# Calculate difference and make sure it's positive
		if [ "$cur_t" -le "$ot" ]; then
			tdiff="$((ot-cur_t))"
		else
			tdiff="$((cur_t-ot))"
		fi
		if [ "$tdiff" -ge "$chd" ]; then
			if [ "$cur_t" -lt "$mnt" ]; then
				new_spd="0"; otl="-1"
			elif [ "$cur_t" -lt "$mxt" ]; then
				tl=0
				for arr_t in $tc; do
					if [ "$cur_t" -le "$arr_t" ]; then
						break
					else
						tl=$((tl+1))
					fi
				done
				if [ "$tl" -ne "$otl" ]; then
					arr="$fc"; n="$tl"; re_elem
					new_spd="$elem"; otl="$tl"
				fi
			else
				new_spd="100"
			fi
			if [ "$new_spd" -ne "$cur_spd" ]; then
				cur_spd="$new_spd"
				set_speed
				i=0
				tmp="$old_s"; old_s=""
				for elem in $tmp; do
					if [ "$i" -ne "$fan" ]; then
						old_s="$old_s $elem"
					else
						old_s="$old_s $cur_spd"
					fi
					i=$((i+1))
				done
			fi
			i=0
			tmp="$old_t"; old_t=""
			for elem in $tmp; do
				if [ "$i" -ne "$fan" ]; then
					old_t="$old_t $elem"
				else
					old_t="$old_t $cur_t"
				fi
				i=$((i+1))
			done
			tdiff="0"
		fi
	fi
	if [ "$debug" -eq "1" ]; then
		echo_info
	fi
}
set_stuff() {
	arr="$fan2gpu"; n="$fan"; re_elem; gpu="$elem"
	arr="$which_curve"; n="$fan"; re_elem; tmp="$elem"
	if [ "$tmp" -eq "1" ]; then
		chd="$check_diff1"
		mnt="$min_t"; mxt="$max_t"
		tc="$tcurve"; fc="$fcurve"
	else
		chd="$check_diff2"
		mnt="$min_t2"; mxt="$max_t2"
		tc="$tcurve2"; fc="$fcurve2"
	fi
}

kill_already_running

# Load the config file
if ![ -f "$conf_file" ]; then
	prf "Config file not found." >&2; exit 1
fi
. "$conf_file"; prf "Configuration file: $conf_file"

if [ -n "$sleep_override" ]; then sleep_time="$sleep_override"; fi

# Check for any user errors in config file
arr="$fcurve"; arr_size; size1="$arr_len"
arr="$tcurve"; arr_size; size2="$arr_len"
if ![ "$size1" -eq "$size2" ]; then
	prf "fcurve and tcurve don't match up!"; exit 1
fi
arr="$fcurve2"; arr_size; size1="$arr_len"
arr="$tcurve2"; arr_size; size2="$arr_len"
if ![ "$size1" -eq "$size2" ]; then
	prf "fcurve2 and tcurve2 don't match up!"; exit 1
fi
arr="$tcurve"; n="0"; re_elem
if [ "$min_t" -ge "$elem" ]; then
	prf "min_t is greater than the first value in the tcurve!"; exit 1
fi
arr="$tcurve2"; n="0"; re_elem
if [ "$min_t2" -ge "$elem" ]; then
	prf "min_t2 is greater than the first value in the tcurve2!"; exit 1
fi

# Calculate some more values
arr="$tcurve"; arr_size; arr="$tcurve"; n="$arr_len"; re_elem; max_t="$elem"
arr="$tcurve2"; arr_size; arr="$tcurve2"; n="$arr_len"; re_elem; max_t2="$elem"
arr="$fcurve"; arr_size; fcurve_len="$((arr_len-1))"
arr="$fcurve2"; arr_size; fcurve_len2="$((arr_len-1))"

# Get the system's GPU configuration
num_fans=$(get_query "fans"); num_fans="${num_fans%* Fan on*}"
if [ -z "$num_fans" ]; then
	prf "No Fans detected"; exit 1
elif [ "${#num_fans}" -gt "2" ]; then
	num_fans="${num_fans%* Fans on*}"
	num_fans_loop="$((num_fans-1))"
fi
prf "Number of Fans detected: $num_fans"
num_gpus=$(get_query "gpus"); num_gpus="${num_gpus%* GPU on*}"
if [ -z "$num_gpus" ]; then
	prf "No GPUs detected"; exit 1
elif [ "${#num_gpus}" -gt "2" ]; then
	num_gpus="${num_gpus%* GPUs on*}"
	num_gpus_loop="$((num_gpus-1))"
fi
prf "Number of GPUs detected: $num_gpus"

i=0
while [ "$i" -lt "$num_fans_loop" ]; do
	old_t="$old_t 0"
	old_s="$old_s 0"
	i=$((i+1))
done

if [ "$force_check" -eq "0" ]; then
	j=0
	while [ "$j" -le "$((fcurve_len-1))" ]; do
		arr="$tcurve"; n="$((j+1))"; re_elem; tmp1="$elem"
		arr="$tcurve"; n="$j"; re_elem; tmp2="$elem"
		check_diff1="$((check_diff1+tmp1-tmp2))"
		j=$((j+1))
	done
	check_diff1="$(((check_diff1/(fcurve_len-1))-sleep_time))"
	j=0
	while [ "$j" -le "$((fcurve_len2-1))" ]; do
		arr="$tcurve2"; n="$((j+1))"; re_elem; tmp1="$elem"
		arr="$tcurve2"; n="$j"; re_elem; tmp2="$elem"
		check_diff2="$((check_diff2+tmp1-tmp2))"
		j=$((j+1))
	done
	check_diff2="$(((check_diff2/(fcurve_len2-1))-sleep_time))"
else
	check_diff1="$force_check"; check_diff2="$force_check"
fi

set_fan_control "$num_gpus_loop" "1"

if [ "$num_gpus" -eq "1" ] && [ "$num_fans" -eq "1" ]; then
	prf "Started process for 1 GPU and 1 Fan"
	fan="$default_fan"
	set_stuff
	while true; do
		arr="$old_t"; n="$fan"; re_elem; ot="$elem"
		arr="$old_s"; n="$fan"; re_elem; cur_spd="$elem"
		loop_cmds
		sleep "$sleep_time"
	done
else
	prf "Started process for n-GPUs and n-Fans"
	while true; do
		fan=0
		while [ "$fan" -le "$num_fans_loop" ]; do
			set_stuff
			arr="$old_t"; n="$fan"; re_elem; ot="$elem"
			arr="$old_s"; n="$fan"; re_elem; cur_spd="$elem"
			loop_cmds
			fan=$((fan+1))
		done
		sleep "$sleep_time"
	done
fi

fichier de configuration

Réglez la corrélation entre la vitesse du ventilateur et la température comme vous le souhaitez.

/opt/fan-curve-control/config


# min_t is the temperature at which every temperature below it will cause
#  the fan speed to be set to 0%, and everything above will be whatever the
#  first speed in fcurve is (default of 25%)
# min_t2 is only used with the second fan speed and temperature arrays, so
#  there is no need to change it unless you're using the second curve
min_t="25"
min_t2="25"

# How many seconds the script should wait until checking for a change in temps
sleep_time="7"

# By default it's set up so that when the temp is less than or equal to 35
#  degrees, the fan speed will be set to 25%. Next, if the temp is between 36
#  and 45, the fan speed should be set to 40%, etc.
# The last temperature value will be the maximum temperature before 100% fan
#  speed will be set
# You can make the array as big or as small as you require, as long as they
#  both end up being the same size
fcurve="25 40 55 70 85" # fan speeds
tcurve="35 45 55 65 75" # temperatures

# This value is used to determine the temperature difference needed to get
#  the script to check for a new speed to apply. The default of this value
#  is zero, which means the script will automatically calculate a value
#  based on the temperature curves supplied below
force_check="0"

# These two arrays are for GPU's that have a secondary fan that you may wish
#  to control seperately, especially if it is water-cooled.
fcurve2="15 30 45 60 75"
tcurve2="35 45 55 65 75"

# First number in array is fan 0, second number is fan 1, etc. If the number
#  is 1, that indicates that the script should use the first curve for that
#  fan. The same goes for the number 2.
which_curve="1 2 1 2"

# Only used for single-fan operation. If you have more than one gpu/fan but
#  only want to control one of them, select which one here. Otherwise there
#  is no need to change this setting.
default_fan="0"

# Similar to which_curve, but instead lets the script know which of the GPU's
#  has which fan. i.e. element 0 in the array being set to 0 means that fan 0
#  is assigned to GPU 0, element 1 is 0 too, meaning fan 1 is on GPU 0 as well
fan2gpu="0 0 1 1"

Accorder l'autorisation d'exécution


sudo chmod 755 /opt/fan-curve-control/exec.sh
sudo chmod 755 /opt/fan-curve-control/config

2. Créez fan-curve-control.desktop dans / usr / share / applications

Créer un fichier de bureau


sudo vi /usr/share/applications/fan-curve-control.desktop

/usr/share/applications/fan-curve-control.desktop


[Desktop Entry]
Name=nfancarve
Type=Application
Path=/opt/nfancurve/
Exec=/opt/nfancurve/temp.sh

Copiez le fan-curve-control.desktop créé en 3.2 dans ~ / .config / autostart

copie


cp /usr/share/applications/nfancurve.desktop ~/.config/autostart

Vérification


ls ~/.config/autostart 
  1. reboot or logout Vérifiez si le ventilateur peut être contrôlé

Résumé

Par la résolution

J'ai expérimenté trois façons.

Puisque «crontab» a une habitude, je pense qu'il est nécessaire d'étudier un peu plus le «mécanisme de démarrage».

Je pensais que je devais toucher rc.local sans comprendre le principe de fonctionnement de systemd.

Le «démarrage automatique» que j'ai fait dans cet article donne l'impression qu'il s'exécute à l'étape finale (99%) du démarrage et que le système démarre complètement, vous n'avez donc pas à vous soucier des dépendances de service. Je pense donc qu'il vaut mieux utiliser ʻautostart` pour les débutants qui essaient de démarrer automatiquement.

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