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CPU temperature

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  CPU temperature "Corey" <coreyh@free.fr> - 2024-10-27 06:20 +0100
    Re: CPU temperature basti <mailinglist@unix-solution.de> - 2024-10-27 06:20 +0100
    Re: CPU temperature Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-10-27 11:10 +0100
    Re: CPU temperature David Christensen <dpchrist@holgerdanske.com> - 2024-10-27 17:40 +0100
      Re: CPU temperature Charles Curley <charlescurley@charlescurley.com> - 2024-10-27 21:30 +0100
        Re: CPU temperature David Christensen <dpchrist@holgerdanske.com> - 2024-10-27 23:40 +0100
          Re: CPU temperature Timothy M Butterworth <timothy.m.butterworth@gmail.com> - 2024-10-28 16:50 +0100
            Re: CPU temperature David Christensen <dpchrist@holgerdanske.com> - 2024-10-29 00:00 +0100

#274088 — CPU temperature

where shall i check the CPU temperature in command line?
my dell laptop gets hot and hot when debian run for some time. do you think it's due to cpu too busy?

Thanks.

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#274089

Hello,

cat /sys/class/thermal/thermal_zone0/temp / 1000 = °C

Work's for me on raspberry pi and Thinkpad Laptop.

Best Regards

Am 27.10.24 um 06:11 schrieb Corey:
> where shall i check the CPU temperature in command line?
> my dell laptop gets hot and hot when debian run for some time. do you think it's due to cpu too busy?
> 
> Thanks.
> 

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#274091

[Multipart message — attachments visible in raw view] — view raw

On Sun, Oct 27, 2024 at 4:48 AM Corey <coreyh@free.fr> wrote:

> where shall i check the CPU temperature in command line?
> my dell laptop gets hot and hot when debian run for some time. do you
> think it's due to cpu too busy?
>

LM-Sensors displays chipset temps and fan speeds.
sudo apt install lm-sensors

sensors -f


> Thanks.
>
>

-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀

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#274096

On 10/26/24 22:11, Corey wrote:
> where shall i check the CPU temperature in command line?
> my dell laptop gets hot and hot when debian run for some time. do you think it's due to cpu too busy?
> 
> Thanks.


My current daily driver is a Dell PowerEdge T30 Xeon E3-1225 v5:

2024-10-27 08:28:10 root@laalaa ~
# cat /etc/debian_version ; uname -a
11.11
Linux laalaa 5.10.0-33-amd64 #1 SMP Debian 5.10.226-1 (2024-10-03) 
x86_64 GNU/Linux


As suggested by another reader, I have also installed the package 
"lm-sensors" to monitor hardware temperatures, etc..


I run the Xfce desktop and find it useful to install the following panel 
plugins:

     Sensor plugin
     CPU Frequency Monitor


To allow the Sensor plugin access to hard disk temperatures, I have set 
the set-user-ID bit on hddtemp(8):

# chmod u+s /usr/sbin/hddtemp


I tune the Sensor plugin to display the processor temperature and to 
update once per second.


Once you can monitor the processor temperature against time, take note 
of how quickly the processor temperature changes when load is applied 
and when load is removed.  Rapid rise and fall times may indicate the 
processor heat sink compound has dried out and should be re-applied. 
Prolonged fall times may indicate the heat sink/ heat pipe is clogged 
with dust and should be cleaned.


Linux provides a governor to control how the processor responds to 
workload.  The Debian package "cpufrequtils" provides utilities to 
interact with the governor:

# apt-get install cpufrequtils


I can see the list of available governors with cpufreq-info(1):

2024-10-27 08:32:05 root@laalaa ~
# cpufreq-info --governors
performance powersave


So, the governor choices on this machine are "performance" and "powersave".


cpufreq-info(1) can tell me the current minimum processor frequency, 
current maximum processor frequency, and the current governor:

2024-10-27 08:32:20 root@laalaa ~
# cpufreq-info -p
800000 3700000 powersave


I can make changes with cpufreq-set(1).  For example, if I want performance:

2024-10-27 08:33:40 root@laalaa ~
+ cpufreq-set -g performance


I can also adjust the minimum and maximum processor frequencies (subject 
to hardware limits):

2024-10-27 09:00:21 root@laalaa ~
# cpufreq-set -d 3000000

2024-10-27 09:00:30 root@laalaa ~
# cpufreq-set -u 4000000

2024-10-27 09:00:34 root@laalaa ~
# cpufreq-info -p
3000000 3700000 performance


Going the other way:

2024-10-27 09:01:35 root@laalaa ~
# cpufreq-set -g powersave

2024-10-27 09:03:10 root@laalaa ~
# cpufreq-set -d 500000

2024-10-27 09:03:20 root@laalaa ~
# cpufreq-set -u 1000000

2024-10-27 09:03:22 root@laalaa ~
# cpufreq-info -p
800000 1000000 powersave


David

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#274107

On Sun, 27 Oct 2024 09:36:32 -0700
David Christensen <dpchrist@holgerdanske.com> wrote:

> To allow the Sensor plugin access to hard disk temperatures, I have
> set the set-user-ID bit on hddtemp(8):
> 
> # chmod u+s /usr/sbin/hddtemp

hddtemp has been superseded by a kernel module, which you can enable
like so:

# enable getting the hard drive's temperature.
echo drivetemp > /etc/modules-load.d/drivetemp.conf

Now you can get rid of hddtemp.

I use that with xfce and the sensor plugin you mentioned.

-- 
Does anybody read signatures any more?

https://charlescurley.com
https://charlescurley.com/blog/

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#274109

On 10/27/24 13:19, Charles Curley wrote:
> On Sun, 27 Oct 2024 09:36:32 -0700
> David Christensen <dpchrist@holgerdanske.com> wrote:
> 
>> To allow the Sensor plugin access to hard disk temperatures, I have
>> set the set-user-ID bit on hddtemp(8):
>>
>> # chmod u+s /usr/sbin/hddtemp
> 
> hddtemp has been superseded by a kernel module, which you can enable
> like so:
> 
> # enable getting the hard drive's temperature.
> echo drivetemp > /etc/modules-load.d/drivetemp.conf
> 
> Now you can get rid of hddtemp.
> 
> I use that with xfce and the sensor plugin you mentioned.


Thank you for the reply.  :-)


David

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#274130

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On Sun, Oct 27, 2024 at 10:13 PM David Christensen <
dpchrist@holgerdanske.com> wrote:

> On 10/27/24 13:19, Charles Curley wrote:
> > On Sun, 27 Oct 2024 09:36:32 -0700
> > David Christensen <dpchrist@holgerdanske.com> wrote:
> >
> >> To allow the Sensor plugin access to hard disk temperatures, I have
> >> set the set-user-ID bit on hddtemp(8):
> >>
> >> # chmod u+s /usr/sbin/hddtemp
> >
> > hddtemp has been superseded by a kernel module, which you can enable
> > like so:
> >
> > # enable getting the hard drive's temperature.
> > echo drivetemp > /etc/modules-load.d/drivetemp.conf
> >
> > Now you can get rid of hddtemp.
> >
> > I use that with xfce and the sensor plugin you mentioned.
>
>
> Thank you for the reply.  :-)
>
>
> David
>
>
You may want to try out the psensor program. Psensor makes graphs of CPU
temperature. It has a server module that allows for remote monitoring as
well.

-- 
⢀⣴⠾⠻⢶⣦⠀
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org/
⠈⠳⣄⠀⠀

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#274133

On 10/28/24 08:46, Timothy M Butterworth wrote:
> On Sun, Oct 27, 2024 at 10:13 PM David Christensen <
> dpchrist@holgerdanske.com> wrote:
> 
>> On 10/27/24 13:19, Charles Curley wrote:
>>> On Sun, 27 Oct 2024 09:36:32 -0700
>>> David Christensen <dpchrist@holgerdanske.com> wrote:
>>>
>>>> To allow the Sensor plugin access to hard disk temperatures, I have
>>>> set the set-user-ID bit on hddtemp(8):
>>>>
>>>> # chmod u+s /usr/sbin/hddtemp
>>>
>>> hddtemp has been superseded by a kernel module, which you can enable
>>> like so:
>>>
>>> # enable getting the hard drive's temperature.
>>> echo drivetemp > /etc/modules-load.d/drivetemp.conf
>>>
>>> Now you can get rid of hddtemp.
>>>
>>> I use that with xfce and the sensor plugin you mentioned.
>>
>>
>> Thank you for the reply.  :-)
>>
>>
>> David
>>
>>
> You may want to try out the psensor program. Psensor makes graphs of CPU
> temperature. It has a server module that allows for remote monitoring as
> well.


Thank you for the reply.  :-)


David

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