Re: [patch] Real-Time Preemption, -RT-2.6.10-rc3-mm1-V0.7.33-0

From: Lee Revell
Date: Tue Dec 14 2004 - 16:53:01 EST

On Tue, 2004-12-14 at 22:18 +0100, Ingo Molnar wrote:
> i've been thinking about it on and off. If you would/could try it that
> would certainly help. RT for Linux is a dance of many small steps.
> the two projects are obviously complementary and i have no intention to
> reinvent the wheel in any way. Best would be to bring hires timers up to
> upstream-mergable state (independently of the -RT patch) and ask Andrew
> to include it in -mm, then i'd port -RT to it automatically.

OK, I'll give this a shot. It would certainly help on my underpowered
EPIA system, where my tests show 2.1% residency for the timer ISR with
HZ=1000. On a system like this I would expect the difference to be
perceptible with a regular desktop workload.


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