Re: [PATCH] i386: Selectable Frequency of the Timer Interrupt.

From: christoph
Date: Mon May 16 2005 - 20:55:45 EST


On Mon, 16 May 2005, Lee Revell wrote:

> On Mon, 2005-05-16 at 12:45 -0700, christoph wrote:
> > Make the timer frequency selectable. The timer interrupt may cause bus
> > and memory contention in large NUMA systems since the interrupt occurs
> > on each processor HZ times per second.
>
> Isn't there already a patch in the -ac kernel that allows HZ to be
> selected at runtime?

Runtime? That seems to be a bad idea. It would be better to rewrite the
timer subsystem to be able to work tickless.

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