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World Community Grid Forums
Category: Support
Forum: BOINC Agent Support
Thread: Feature request: Stoop running if CPU temperature goes high |
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Thread Status: Active Total posts in this thread: 6
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Grabbaren
Cruncher Joined: Oct 23, 2007 Post Count: 11 Status: Offline Project Badges: 
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Hi.
I know that on Windows computers I can install tthrottle to control cpu time so that the cpu temperature stays around a given temperature. I recently have installed Linux on computers that previously had XP installed, and I'm not that much interrested in installing Wine. But of course I can, but I just doesn't wont to. Therefore - to prevent overheating, espechially for laptops, I ask for a simple function that just pause all Boinc processes if the cpu temperature rises above a given temperature. And it should stay paused until cpu temperature goes down to a user specified temperature. That way, I can cranc up the cpu time without worry for the computer health. Maybe taskbar icon shift to a red version to indicate high cpu temp too (not important). So - if I really wish the controll over temperature and nice gauges, I can always install TThrottle, but my idea is more for protection of the computer than fancy control. Thanks |
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SekeRob
Master Cruncher Joined: Jan 7, 2013 Post Count: 2741 Status: Offline |
If it were easy, it would have long existed, your 'simple function'. Reality is, there is no one_stop_shop code to achieve this across the many Linux distributions.
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TonyEllis
Senior Cruncher Australia Joined: Jul 9, 2008 Post Count: 286 Status: Offline Project Badges: 
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Agree with SekeRob it is not simple... However, have developed a better solution. Reduce the clock speed when the CPU reaches a certain temperature. This allows crunching to continue while containing the CPU temperature within a safe limit.
----------------------------------------However, this does require some familiarity with basic script programming... details of what is done here on several linux machines based on Redhat derivatives at http://www.sraellis.tk/master-frame-control_cpu_temp.html. Some small modifications would be required for other distributions...
Run Time Stats https://grassmere-productions.no-ip.biz/
----------------------------------------[Edit 1 times, last edit by TonyEllis at Aug 21, 2017 1:16:23 AM] |
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KLiK
Master Cruncher Croatia Joined: Nov 13, 2006 Post Count: 3108 Status: Offline Project Badges: 
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Agree with SekeRob it is not simple... However, have developed a better solution. Reduce the clock speed when the CPU reaches a certain temperature. This allows crunching to continue while containing the CPU temperature within a safe limit. However, this does require some familiarity with basic script programming... details of what is done here on several linux machines based on Redhat derivatives at http://www.sraellis.tk/master-frame-control_cpu_temp.html. Some small modifications would be required for other distributions... Tony, why can't this be done as an install? So that is has scripts pre-written & you only put in the top temp. & let it run. That could be made for one type of Linux, like: - version for Ubuntu - version for Redhat - version for Fedora etc... I'd gladly give somebody 200GRC for a little programming of that.  ---------------------------------------- [Edit 1 times, last edit by KLiK at Aug 21, 2017 7:56:50 AM] |
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TonyEllis
Senior Cruncher Australia Joined: Jul 9, 2008 Post Count: 286 Status: Offline Project Badges:
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KLiK I just wanted to show what is possible. There are other options available. A really quick search came up with several... for instance...
----------------------------------------http://seperohacker.blogspot.com.au/2012/10/l...-cool-with-frequency.html https://ask.fedoraproject.org/en/question/315...ds-and-control-fan-speed/ https://unix.stackexchange.com/questions/2498...uards-for-cpu-temperature https://itsfoss.com/reduce-overheating-laptops-linux/ If anybody want to develop something based on my work, am happy to make the actual scripts available and provide further clarification and explanation as required. Note though that I have no Linux experience outside Redhat and Redhat derived distributions and Fedora.
Run Time Stats https://grassmere-productions.no-ip.biz/
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KerSamson
Master Cruncher Switzerland Joined: Jan 29, 2007 Post Count: 1684 Status: Offline Project Badges: 
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For multicore/multithread CPU, one easy - but not elegant - way could be to limit the number of active threads in order to reduce the overall CPU load and to add back the threads if the environmental temperature is colder.
----------------------------------------It is very "primitive" but it should work. At the other side, I should take a deeper look in my (very) old Unix documentation, it should be possible at the program invocation to limit the available CPU resource for the invoked program. If I remember correctly, it cannot be modified dynamically (only at invocation time). Otherwise, the built-in CPU thermal protection seems to work well as long as it is not inhibited at BIOS/UEFI level (in my case, Asus motherboard). Cheers, Yves |
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