Re: buildworld times

From: Andre Guibert de Bruet (andy_at_siliconlandmark.com)
Date: 02/29/04

  • Next message: Vincent Poy: "Re: buildworld times" 
    Date: Sun, 29 Feb 2004 17:47:10 -0500 (EST)
To: Vincent Poy <vince@oahu.WURLDLINK.NET>

    On Sun, 29 Feb 2004, Vincent Poy wrote:

    > On Sun, 29 Feb 2004, Andre Guibert de Bruet wrote:
    >
    > > On Sun, 29 Feb 2004, Vincent Poy wrote:
    > >
    > > > On Sun, 29 Feb 2004, Andre Guibert de Bruet wrote:
    > > > > If you're hitting 80+ degrees, your CPU is going to throttle to keep the
    > > > > temperature down. This is likely to be the cause (or at least a good
    > > > > contributor) of the large buildworld times you're seeing. You might want
    > > > > to look into improved cooling, possibly water-cooling. :-)
    > > >
    > > > This is actually a notebook and not a desktop machine so the temps
    > > > are higher than the desktop counterparts as my desktop P4C3.2 at 3.8Ghz
    > > > runs at 50C full load. The P4M-2.6Ghz mobile processor runs at 63C even
    > > > when idle. It might be the Thermal Interface Material just needs
    > > > replacing or something. Is there a way to monitor the temperatures of the
    > > > CPU since I do notice the load time averages moves up the the 6.xx when
    > > > using -j4.
    > >
    > > There used to be a sysctl that displayed cpu temperature in tenths of a
    > > degree Kelvin. For some unknown reason, I can't seem to find it in a
    > > kernel from February 10th. Try doing some exploring in sysctl -a.
    >
    > Is this the one you're talking about?
    >
    > root@bigbang [2:38pm][/home/vince] >> sysctl -a hw.acpi.thermal
    > hw.acpi.thermal.min_runtime: 0
    > hw.acpi.thermal.polling_rate: 10
    > hw.acpi.thermal.tz0.temperature: 3407
                                       ^^^^ 340.7K or 67.55C

    > hw.acpi.thermal.tz0.active: -1
    > hw.acpi.thermal.tz0.thermal_flags: 0
    > hw.acpi.thermal.tz0._PSV: -1
    > hw.acpi.thermal.tz0._HOT: -1
    > hw.acpi.thermal.tz0._CRT: 3672
    > hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
    >
    > I thought there was a utility that displayed it in Celsius or
    > something.

    When in doubt, convert using Google! :-)
    http://www.google.com/search?hl=en&lr=&ie=ISO-8859-1&q=340.7+Kelvin+in+Centigrade&btnG=Google+Search

    Regards,
    Andy

    > Andre Guibert de Bruet | Enterprise Software Consultant >
    > Silicon Landmark, LLC. | http://siliconlandmark.com/ >

    >
    >
    > Cheers,
    > Vince - vince@WURLDLINK.NET - Vice President ________ __ ____
    > Unix Networking Operations - FreeBSD-Real Unix for Free / / / / | / |[__ ]
    > WurldLink Corporation / / / / | / | __] ]
    > San Francisco - Honolulu - Hong Kong / / / / / |/ / | __] ]
    > HongKong Stars/Gravis UltraSound Mailing Lists Admin /_/_/_/_/|___/|_|[____]
    > Almighty1@IRC - oahu.DAL.NET Hawaii's DALnet IRC Network Server Admin
    >
    _______________________________________________
    freebsd-current@freebsd.org mailing list
    http://lists.freebsd.org/mailman/listinfo/freebsd-current
    To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"

  • Next message: Vincent Poy: "Re: buildworld times"