[lkml]   [2003]   [Feb]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
    SubjectRe: CPU throttling??
    On Mon, 03 Feb 2003 13:57:17 -0500 wrote:

    > On Mon, 03 Feb 2003 17:13:02 GMT, John Bradford said:
    > > Incidently, Linux has always halted the processor, rather than spun in
    > > an idle loop, which saves power.
    > It's conceivable that a CPU halted at 1.2Gz takes less power than one
    > at 1.6Gz - anybody have any actual data on this? Alternately phrased,
    > does CPU throttling save power over and above what the halt does?

    Yes. I have a powerpc laptop that runs at 700 MHz. If I throttle the CPU clock
    speed down to 400 MHz and change nothing else the battery has noticeably longer
    life; since it's running slower, it takes less power when it's active (not

    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to
    More majordomo info at
    Please read the FAQ at

     \ /
      Last update: 2005-03-22 13:32    [W:0.020 / U:63.260 seconds]
    ©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site