Messages in this thread | | | Date | Thu, 4 Aug 2005 17:03:41 +0200 | From | Vojtech Pavlik <> | Subject | Re: [PATCH] i386 No-Idle-Hz aka Dynamic-Ticks 3 |
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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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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