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Thread: CPU temperature

  1. #1
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    Default CPU temperature

    My Intel processor has dual core and 1.6 ghz freq (each core 800mhz). When I'm on openSUSE 11.4, the temperature widget I have on my desktop indicates, after 3 hours of activity, 63 degrees and sometimes even 71 degrees. Before that time limit, it goes around 55 degrees. I think it's pretty hot, since I don't use its brain too much. I just surf the Internet, write, deal with files. I don't play 3d games or mess up with sophisticated graphic programs.

    I'm just curious if that's a normal temperature for the poor proc.
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  2. #2
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    Default Re: CPU temperature

    Quote Originally Posted by riderplus View Post
    My Intel processor has dual core and 1.6 ghz freq (each core 800mhz). When I'm on openSUSE 11.4, the temperature widget I have on my desktop indicates, after 3 hours of activity, 63 degrees and sometimes even 71 degrees. Before that time limit, it goes around 55 degrees. I think it's pretty hot, since I don't use its brain too much. I just surf the Internet, write, deal with files. I don't play 3d games or mess up with sophisticated graphic programs.

    I'm just curious if that's a normal temperature for the poor proc.
    Hi
    Are you sure each core is only 800MHz...?

    Can you check whether your running at on-demand or performance with cpufreq-info
    Code:
    cpufreq-info
    You may need to install cpufrequtils package.
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
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  3. #3
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    Thank you so much for all your swift replies!

    The output of
    Code:
    cpufreq-info
    is here:
    Code:
    cpufrequtils 008: cpufreq-info (C) Dominik Brodowski 2004-2009
    Report errors and bugs to http://bugs.opensuse.org, please.
    analyzing CPU 0:
      driver: acpi-cpufreq
      CPUs which run at the same hardware frequency: 0 1
      CPUs which need to have their frequency coordinated by software: 0
      maximum transition latency: 10.0 us.
      hardware limits: 800 MHz - 1.60 GHz
      available frequency steps: 1.60 GHz, 1.33 GHz, 1.07 GHz, 800 MHz
      available cpufreq governors: conservative, userspace, powersave, ondemand, performance
      current policy: frequency should be within 800 MHz and 1.60 GHz.
                      The governor "ondemand" may decide which speed to use
                      within this range.
      current CPU frequency is 800 MHz.
    analyzing CPU 1:
      driver: acpi-cpufreq
      CPUs which run at the same hardware frequency: 0 1
      CPUs which need to have their frequency coordinated by software: 1
      maximum transition latency: 10.0 us.
      hardware limits: 800 MHz - 1.60 GHz
      available frequency steps: 1.60 GHz, 1.33 GHz, 1.07 GHz, 800 MHz
      available cpufreq governors: conservative, userspace, powersave, ondemand, performance
      current policy: frequency should be within 800 MHz and 1.60 GHz.
                      The governor "ondemand" may decide which speed to use
                      within this range.
      current CPU frequency is 800 MHz.
    The output of
    Code:
    top
    is:
    Code:
    top - 20:26:26 up 15 min,  3 users,  load average: 0.20, 0.36, 0.38
    Tasks: 148 total,   1 running, 147 sleeping,   0 stopped,   0 zombie
    Cpu(s): 13.0%us,  9.2%sy,  4.0%ni, 72.8%id,  0.8%wa,  0.0%hi,  0.2%si,  0.0%st
    Mem:   2033684k total,  1495436k used,   538248k free,    69484k buffers
    Swap:  2102268k total,        0k used,  2102268k free,   917576k cached
    
      PID USER      PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND              
     1171 root      20   0 78720  24m 8904 S   15  1.2   0:56.85 Xorg                 
     1931 camil     30  10  563m 151m 8904 S   12  7.6   4:35.62 java                 
     2735 camil     20   0  430m 162m  35m S   11  8.2   1:43.32 firefox              
     2282 camil     20   0  261m  46m  30m S    7  2.3   0:25.54 plasma-desktop       
     2841 camil     20   0  132m  31m  16m S    3  1.6   0:22.26 plugin-containe      
     6506 camil     20   0  134m  23m  16m S    2  1.2   0:04.38 konsole              
     2236 camil     20   0  139m  31m  23m S    1  1.6   0:02.80 kwin                 
     2361 camil     20   0  224m  45m  32m S    1  2.3   0:13.20 ktorrent             
     1862 root      20   0     0    0    0 S    0  0.0   0:01.40 kworker/1:2          
     2140 camil     20   0  3900 1548  692 S    0  0.1   0:02.16 dbus-daemon          
     2159 camil     20   0  239m  22m  17m S    0  1.2   0:03.91 kded4                
     2187 root      20   0 17472 3536 2952 S    0  0.2   0:00.16 upowerd
    Anyway, this is not so long after I turned on my system. I said I had the temperature issue after 3 hours of activity. Now it's about 55 degrees.
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  4. #4
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    Hi
    So it's an intel atom device? What about the output from;
    Code:
    acpi -V
    What is the trip info?
    Cheers Malcolm °¿° SUSE Knowledge Partner (Linux Counter #276890)
    SUSE SLE, openSUSE Leap/Tumbleweed (x86_64) | GNOME DE
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  5. #5
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    Default Re: CPU temperature

    @stamostolias, your posts are ruining this thread.They make it unintelligible. I've removed them to make the thread readable. Please don't post any more in this thread. That removes 14 out of 18 posts that are just smoke in the eyes of the OP.
    Leap 42.3 & 15.1 &KDE
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  6. #6
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    Quote Originally Posted by malcolmlewis View Post
    Hi
    So it's an intel atom device? What about the output from;
    Code:
    acpi -V
    What is the trip info?
    Here it is:
    Code:
    acpi -V
    Adapter 0: on-line
    Thermal 0: ok, 63.0 degrees C
    Thermal 0: trip point 0 switches to mode critical at temperature 100.0 degrees C
    Cooling 0: LCD 0 of 10
    Cooling 1: Processor 0 of 10
    Cooling 2: Processor 0 of 10
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  7. #7
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    Install lm-sensors package and execute

    Code:
    sensors
    That will give lot of information including fan speed. I doubt whether the fan is controlled by BIOS or system. Bios controlled fans starts operating at perticular temp limit. Which model of machine you are using.

  8. #8
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    Quote Originally Posted by webofunni View Post
    Install lm-sensors package and execute

    Code:
    sensors
    That will give lot of information including fan speed. I doubt whether the fan is controlled by BIOS or system. Bios controlled fans starts operating at perticular temp limit. Which model of machine you are using.
    Thanks, mate! Here's what I've got:
    Code:
    acpitz-virtual-0
    Adapter: Virtual device
    temp1:       +55.0°C  (crit = +100.0°C)
    It seems like both "acpi -V" and "sensors" commands warn me that the device is under critical condition after its cores are boiled down (+100 degrees). Not much to say about that...
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  9. #9
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    OK. Now I know why my CPU got overheated...it was because of Gnuchess!! The application forces the processor to think for real.
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  10. #10
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    Default Re: Απ: Re: Απ: Re: CPU temperature

    If your laptop has been around for some time you may also consider checking for dust clogging, some people reported considerable temp reduction after blowing its vents and expelling a *lot* of dust. Or take it to someone used to doing this.

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