Re: [Fwd: Re: [patch] Real-Time Preemption, -RT-2.6.9-mm1-V0.4]

From: Florian Schmidt
Date: Mon Nov 01 2004 - 18:37:48 EST


On Mon, 1 Nov 2004 14:40:47 -0800
Bill Huey (hui) <bhuey@xxxxxxxx> wrote:

> Unlikely, it's got to lock the entire kernel to make sure that things aren't
> changing under it. Getting measurements is useful at this stage, but don't expect
> it to be a finished product any time soon and please keep that in mind. Stability
> should be, if it's not already, the single most important things in this project
> at this phase. Getting numbers now for a specific single application is going to
> be of limit use until the system is stable enough for general characterization.
>
> Keep doing it, but keep in mind that anything you're going to get at this time
> is going to be very coarse. Don't put too much weight on it.
>
> That's my take.

ack. understood. i was just asking since i don't have a second machine and
thus am not really able to help with the deadlock debugging. so i figured i
could at least do some timing. btw: even with deadlock detection, the
results for 0.6.5 looked pretty good [in 10 minutes uptime ca.3-4% max
jitter [30something usecs]. until the deadlock that is [i head three finds
plus kernel compile at nice -10 running]..

flo
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