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    SubjectRe: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3
    On Wed, Aug 03, 2005 at 04:23:59PM +0200, Jan De Luyck wrote:
    > On Wednesday 03 August 2005 14:14, Con Kolivas wrote:
    > > On Wed, 3 Aug 2005 21:54, Jan De Luyck wrote:
    > > > On Wednesday 03 August 2005 07:59, Con Kolivas wrote:
    > > > > This is the dynamic ticks patch for i386 as written by Tony Lindgen
    > > > > <tony@atomide.com> and Tuukka Tikkanen
    > > > > <tuukka.tikkanen@elektrobit.com>. Patch for 2.6.13-rc5
    > > >
    > > > Compiles and runs ok here.
    > > >
    > > > Is there actually any timer frequency that's advisable to set as maximum?
    > > > (in the kernel config)
    > >
    > > I'd recommend 1000.
    >
    > Thanks. Currently the system - under X, KDE, no artsd, bottoms at around
    > 300HZ. In total single mode with every module unloaded that I can unload it
    > stops around 22HZ.
    >
    > I guess I'll have to go hunting whatever thing is causing the pollings. no
    > timertop yet, I guess? :P

    i8042 runs a steady periodic 20Hz timer. You can make it slower to get
    even the total low lower, and it will not affect performance under
    normal (sane hardware) circumstances.

    --
    Vojtech Pavlik
    SuSE Labs, SuSE CR
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