![cpuf - 用于设置 CPU 最小/最大频率的简单 Bash GUI](https://linux22.com/image/913808/cpuf%20-%20%E7%94%A8%E4%BA%8E%E8%AE%BE%E7%BD%AE%20CPU%20%E6%9C%80%E5%B0%8F%2F%E6%9C%80%E5%A4%A7%E9%A2%91%E7%8E%87%E7%9A%84%E7%AE%80%E5%8D%95%20Bash%20GUI.png)
我需要在我的 ubuntu 笔记本电脑上运行 ATLAS,但除非你禁用 CPU 频率缩放,否则该软件将无法运行。我尝试了此处的说明http://math-atlas.sourceforge.net/atlas_install/node5.html但它们在我的东芝笔记本电脑上不起作用。打开频率缩放功能后,该软件变得毫无用处。
有人可以帮忙吗?
答案1
在以下文件中用性能替换默认调节器:
/etc/init.d/cpufrequtils
/etc/default/cpufrequtils
禁用ondemand
服务
sudo update-rc.d ondemand disable
然后运行
update-initramfs -u -k all
然后重新启动
答案2
我编写了cpuf
GUI 来随意设置最小和最大频率。您可以在数学应用之前使用它来将所有频率设置为最大值。运行数学应用后,您可以将频率重置为正常,以延长电池寿命并减少发热量。
cpuf - 用于设置 CPU 最小/最大频率的简单 Bash GUI
示范
在这个演示中,cpuf
窗口在左侧,conky
系统信息在右侧。演示的进展如下:
- YouTube 视频正在播放时演示已开始
- 默认 CPU 最小/最大频率为
800
/3500
- 将 CPU 最小值/最大值覆盖为
800
/800
并且 CPU 使用率跳升至 20% - 将 CPU 最小值/最大值覆盖为
3500
/3500
并且 CPU 使用率下降到 10% - 演示循环并重新开始
由于三个显示器cpuf
可以出现在 10 英尺外,因此使用参数 1--geometry
选项将其靠近conky
:
sudo cpuf --geometry="450x450+4720+80" /home/rick/Pictures/icons/cpu-intel-128.svg
- 参数 1
--geometry
为窗口宽度 x 高度 + 宽度偏移 + 高度偏移 - 参数 2 可以是您自己的图标(在本例中为英特尔 CPU 图像),否则默认为计算机图标
cpuf
Bash 脚本
本节要求您使用 ++Ctrl打开终端。AltT
如何设置
为了运行,cpuf
bash 脚本需要:
sudo apt install yad # from the repository universe
sudo apt install coreutils # installed by default in most distros
将cpuf
脚本放入搜索路径中的根目录是最简单的方法。例如:/usr/local/bin
。
要创建cpuf
脚本,请使用 打开编辑器sudo -H gedit /usr/local/bin/cpuf
。
- 突出显示以下部分中的行
- 右键单击并选择“复制”
- 切换回编辑器
- 右键单击并选择“粘贴”
- 从编辑器菜单中选择“保存”,然后选择“退出”
使用 使脚本可执行sudo chmod a+x /usr/local/bin/cpuf
。
cpuf
代码复制到你的编辑器
#!/bin/bash
# NAME: cpuf (Pronounced SEA-PUFF)
# CALL: sudo cpuf
# PARM: $1 = --geometry=WidthxHeight+VertOffset+HorizOffset
# $2 = Optional image icon
# DESC: Simple GUI script to set CPU Min and Max Frequency.
# For Ask Ubuntu Question: https://askubuntu.com/q/1141605/307523
# DATE: May 12, 2019.
# UPDT: No updates yet.
# NOTE: No notes yet.
### Dependancies ###
command -v yad >/dev/null 2>&1 || { echo >&2 \
"yad package required but it is not installed. Aborting."; \
exit 1; }
command -v nproc >/dev/null 2>&1 || { echo >&2 \
"coreutils package required but it is not installed. Aborting."; \
exit 2; }
if [[ $(id -u) != 0 ]]; then # root powers needed to call this script
echo >&2 Must be called with sudo powers
exit 3
fi
# $TERM variable may be missing when called via desktop shortcut
CurrentTERM=$(env | grep TERM)
if [[ $CurrentTERM == "" ]] ; then
notify-send --urgency=critical \
"$0 cannot be run from GUI without TERM environment variable."
exit 4
fi
### Program constants ###
## Yad Window parameters
# Hard code Height & Width to suit your screen resolution and scaling factor
GEOMETRY="--width 400 --height 500"
# Pass Parameter 1 with ---geometry="WidxHgt+WidOff+HgtOff" to override
[[ "$1" == --geometry=* ]] && GEOMETRY="$1"
TITLE="cpuf"
TEXT="Set CPU Min/Max Frequencies"
ICON="/usr/share/icons/Adwaita/48x48/devices/computer.png"
# Pass Parameter 2 with icon for window image
# Intel CPU comes from: https://www.gnome-look.org/p/1107932/
[[ ! -z "$2" ]] && ICON="$2"
## Virtual File System directories
CPU0_DIR=/sys/devices/system/cpu/cpu0/cpufreq
PSTATE_DIR=/sys/devices/system/cpu/intel_pstate
CURR_MIN_FREQ="$CPU0_DIR/scaling_min_freq"
CURR_MAX_FREQ="$CPU0_DIR/scaling_max_freq"
ALLOW_MIN_FREQ="$CPU0_DIR/cpuinfo_min_freq"
ALLOW_MAX_FREQ="$CPU0_DIR/cpuinfo_max_freq"
OLD_IFS=$IFS # Save current Input File Separtor (IFS)
declare -a Arr # Array for YAD Window input
NumCPU=$(nproc --all) # Number of CPUs (nproc from coreutils)
### Error Message Functions ###
Abend () {
# Abnormal Ending - Parameter 1 = message to display, Parameter 2=exit code
yad --image "dialog-error" --image-on-top --title "$TITLE - Fatal Error" \
"$GEOMETRY" --button=gtk-ok:0 --text "$1" 2>/dev/null
exit "$2"
} # Abend
ErrMsg () {
# Parmater 1 = message to display
yad --image "dialog-error" --title "$TITLE - Logical Error" \
"$GEOMETRY" --button=gtk-ok:0 --text "$1" 2>/dev/null
fErrMsgForceContinue=true
} # ErrMsg
### Initialize Variables ###
InitVars () {
[[ ! -e "$ALLOW_MIN_FREQ" ]] && Abend "$ALLOW_MIN_FREQ not found" 11
AllowMinFreq=$(cat "$ALLOW_MIN_FREQ")
AllowMinFreq="${AllowMinFreq::-3}" # Chop off three decimals at end
[[ ! -e "$ALLOW_MAX_FREQ" ]] && Abend "$ALLOW_MAX_FREQ not found" 12
AllowMaxFreq=$(cat "$ALLOW_MAX_FREQ")
AllowMaxFreq="${AllowMaxFreq::-3}"
[[ ! -e "$CURR_MIN_FREQ" ]] && Abend "$CURR_MIN_FREQ not found" 13
CurrMinFreq=$(cat "$CURR_MIN_FREQ")
CurrMinFreq="${CurrMinFreq::-3}"
NewMinFreq="$CurrMinFreq"
[[ ! -e "$CURR_MAX_FREQ" ]] && Abend "$CURR_MAX_FREQ not found" 14
CurrMaxFreq=$(cat "$CURR_MAX_FREQ")
CurrMaxFreq="${CurrMaxFreq::-3}"
NewMaxFreq="$CurrMaxFreq"
if [[ -e "$PSTATE_DIR" ]] ; then
NumPstates=$(cat "$PSTATE_DIR/num_pstates")
if [[ $(cat "$PSTATE_DIR/no_turbo") -eq 0 ]] ; then
TurboBoost="Enabled"
else
TurboBoost="Disabled"
fi
else
NumPstates="Not found"
TurboBoost="Not found"
fi
if [[ -e "$CPU0_DIR/scaling_governor" ]] ; then
Governor=$(cat "$CPU0_DIR/scaling_governor")
else
Governor="Not found"
fi
if [[ -e "$CPU0_DIR/scaling_cur_freq" ]] ; then
CurrFreq=$(cat "$CPU0_DIR/scaling_cur_freq")
# Chop off three decimals at end
CurrFreq="${CurrFreq::-3}"
else
CurrFreq="Not found"
fi
} # InitVars
### Paint / repaint window and get new frequencies ###
GetParameters () {
# +------------------------------------------+
# | cpuf - Set CPU Min/Max Frequencies |
# +------------------------------------------+
# | |
# | Turbo Boost: Enabled |
# | |
# | Number of pstates: 99 |
# | Speed Governor Used: powersave |
# | Current CPU0 frequency: 9999 Mhz |
# | |
# | Current Minimum Freq.: 9999 Mhz |
# | Current Maximum Freq.: 9999 Mhz |
# | |
# | New Minimum Frequency 9999 |
# | New Maximum Frequency 9999 |
# | |
# +------------------------------------------+
IFS="|"
Arr=($(yad "$GEOMETRY" --form \
--title "$TITLE" --text "$TEXT" \
--window-icon="$ICON" --image="$ICON" \
--field="Turbo Boost:":RO "$TurboBoost" \
--field="Number of pstates:":RO "$NumPstates" \
--field="Speed Governor:":RO "$Governor" \
--field="Current Frequency:":RO "$CurrFreq MHz" \
--field="Allowable Minimum Frequency:":RO "$AllowMinFreq MHz" \
--field="Allowable Maximum Frequency:":RO "$AllowMaxFreq MHz" \
--field="Current Minimum Frequency:":RO "$CurrMinFreq MHz" \
--field="Current Maximum Frequency:":RO "$CurrMaxFreq MHz" \
--field="New Minimum Frequency" "$NewMinFreq" \
--field="New Maximum Frequency" "$NewMaxFreq" 2>/dev/null))
Return="$?"
NewMinFreq="${Arr[8]}"
NewMaxFreq="${Arr[9]}"
} # GetParameters
###################################
# MAINLINE #
###################################
ALL_PREFIX="/sys/devices/system/cpu/cpu"
MIN_SUFFIX="/cpufreq/scaling_min_freq"
MAX_SUFFIX="/cpufreq/scaling_max_freq"
while true ; do
InitVars
GetParameters
[[ ! "$Return" -eq 0 ]] && break ; # Exit on Cancel=1 or Close Window=252
# Sanity checks
fErrMsgForceContinue=false
[[ $NewMinFreq -lt $AllowMinFreq ]] && ErrMsg "Minimum frequency too low"
[[ $NewMaxFreq -gt $AllowMaxFreq ]] && ErrMsg "Maximum frequency too high"
[[ $NewMinFreq -gt $NewMaxFreq ]] && ErrMsg "Minimum frequency greater than Maximum Frequency"
[[ $fErrMsgForceContinue == true ]] && continue
# Set new Min/Max frequencies
for (( i=0 ; i<NumCPU ; i++ )) ; do
# If New Min > Curr Max, set Max first then Min
if [[ $NewMinFreq -gt $CurrMaxFreq ]] ; then
echo "$NewMaxFreq""000" > "$ALL_PREFIX$i$MAX_SUFFIX"
echo "$NewMinFreq""000" > "$ALL_PREFIX$i$MIN_SUFFIX"
else
echo "$NewMinFreq""000" > "$ALL_PREFIX$i$MIN_SUFFIX"
echo "$NewMaxFreq""000" > "$ALL_PREFIX$i$MAX_SUFFIX"
fi
done
done
IFS="$OLD_IFS"
exit 0
答案3
读者需要明白,这里令人烦恼的是 ATLAS。请注意,对于现代处理器,CPU 会自行降低频率,并且根据空闲状态(在空闲状态下)降低频率,即使在性能模式下也是如此。如果您想将 CPU 频率“固定”在最大值,则除了设置性能模式外,还需禁用所有 >= 0 的空闲状态。
注意:这将导致处理器产生大量废热,请确保您的系统可以处理它。
例子:
起始条件:
doug@s15:~/idle$ cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_driver
intel_cpufreq
intel_cpufreq
intel_cpufreq
intel_cpufreq
intel_cpufreq
intel_cpufreq
intel_cpufreq
intel_cpufreq
doug@s15:~/idle$ cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
performance
performance
performance
performance
performance
performance
performance
performance
步骤 1:我的系统有多少个空闲状态?
doug@s15:~/idle$ ls -l -d /sys/devices/system/cpu/cpu*/cpuidle/state*
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu0/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu0/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu0/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu0/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu0/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu1/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu1/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu1/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu1/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu1/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu2/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu2/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu2/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu2/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu2/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu3/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu3/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu3/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu3/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu3/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu4/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu4/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu4/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu4/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu4/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu5/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu5/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu5/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu5/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu5/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu6/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu6/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu6/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu6/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu6/cpuidle/state4
drwxr-xr-x 2 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu7/cpuidle/state0
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu7/cpuidle/state1
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu7/cpuidle/state2
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu7/cpuidle/state3
drwxr-xr-x 3 root root 0 Jul 3 11:41 /sys/devices/system/cpu/cpu7/cpuidle/state4
好的,我有 5 个空闲状态,0-4:
步骤 2:禁用状态 1-4(我使用以 sudo 身份运行的脚本):
doug@s15:~/idle$ cat idle_1-4_disable
#! /bin/bash
echo "idle disable states 1-4:"
/home/doug/idle/idle_state1_disable
/home/doug/idle/idle_state2_disable
/home/doug/idle/idle_state3_disable
/home/doug/idle/idle_state4_disable
doug@s15:~/idle$ cat idle_state1_disable
#! /bin/bash
echo "idle state 1: before:"
cat /sys/devices/system/cpu/cpu*/cpuidle/state1/disable
for file in /sys/devices/system/cpu/cpu*/cpuidle/state1/disable; do echo "1" > $file; done
echo "idle state 1: after:"
cat /sys/devices/system/cpu/cpu*/cpuidle/state1/disable
导致:
doug@s15:~/idle$ sudo ./idle_1-4_disable
idle disable states 1-4:
idle state 1: before:
0
0
0
0
0
0
0
0
idle state 1: after:
1
1
1
1
1
1
1
1
idle state 2: before:
0
0
0
0
0
0
0
0
idle state 2: after:
1
1
1
1
1
1
1
1
idle state 3: before:
0
0
0
0
0
0
0
0
idle state 3: after:
1
1
1
1
1
1
1
1
idle state 4: before:
0
0
0
0
0
0
0
0
idle state 4: after:
1
1
1
1
1
1
1
1
doug@s15:~/idle$
如果我们用 turbostat 观察这一切:
doug@s15:~/idle$ sudo turbostat --quiet --Summary --show Busy%,Bzy_MHz,PkgTmp,PkgWatt,GFXWatt,IRQ --interval 15
Busy% Bzy_MHz IRQ PkgTmp PkgWatt GFXWatt
0.02 2743 438 30 3.75 0.12
0.02 2753 406 29 3.75 0.12
0.02 2806 402 29 3.75 0.12
0.02 2764 436 29 3.75 0.12
58.62 3500 70887 50 30.75 0.12 <<<< ilde state 1-4 disabled
100.00 3500 120240 55 50.39 0.12 <<<< tubostat counts idle state 0 as busy
100.00 3500 120243 58 50.95 0.12 <<<< The system is actually still idle.
100.00 3500 120241 60 51.38 0.12
100.00 3500 120248 62 51.91 0.12
100.00 3500 120241 64 52.58 0.12
100.00 3500 120244 65 52.88 0.12
100.00 3500 120252 67 53.13 0.12
100.00 3500 120251 68 53.29 0.12
100.00 3500 120242 68 53.46 0.12
100.00 3500 120268 68 53.56 0.12
100.00 3500 120260 68 53.63 0.12
100.00 3500 120267 70 53.69 0.12
如果处理器温度过高,则限制 CPU 频率上限。Intel Pstate 示例:
doug@s15:~/idle$ echo 60 | sudo tee /sys/devices/system/cpu/intel_pstate/max_perf_pct
60
导致:
100.00 3500 120267 70 53.96 0.12
100.00 3500 120274 71 53.92 0.12
100.00 3500 120256 70 53.95 0.12
100.00 3500 120277 70 53.93 0.12
100.00 3500 120326 70 53.95 0.12
34.97 3500 42719 48 21.53 0.12
0.02 2712 378 45 4.00 0.12
0.02 2754 396 42 3.96 0.12
0.02 2724 504 40 3.92 0.12
0.02 2816 378 39 3.89 0.12
94.33 3500 113569 60 48.59 0.12
100.00 3500 120242 63 51.88 0.12
100.00 3500 120240 65 52.64 0.12
100.00 3500 120280 68 53.08 0.12
100.00 3500 120333 68 53.32 0.12
100.00 1713 120348 55 20.29 0.12 <<< Had to toggle to powersave governor
100.00 2201 120280 57 26.31 0.12 <<< And then back to performance governor
100.00 2300 120239 56 27.58 0.12 <<< Now new max is in effect.
100.00 2300 120237 56 27.53 0.12 <<< And processor temp is less
100.00 2300 120237 55 27.46 0.12
100.00 2300 120232 54 27.42 0.12