Re: [PATCH] O(1) Entitlement Based Scheduler v1.1

From: Andi Kleen
Date: Thu Mar 25 2004 - 23:13:55 EST

On Fri, 26 Mar 2004 11:02:36 +1100 (EST)
John Lee <johnl@xxxxxxxxxx> wrote:

> I'm glad to hear that the interactivity now works well for you, and that
> it seems to be behaving itself over a period of days.

There seem to be still small issues, but I wasn't able to pinpoint them
to a scenario (I'm not even 100% sure they are related to the CPU scheduler, could
be IO elevator or VM too). Just thought I would mention them. Occassionally
(very seldom, saw it two times yesterday) I have visible stalls (2-3s) of my xterms.
It doesn't seem to be related to direct visible background load (but i wasn't
able yet to get a top up during such a stall) I don't remember these stalls from
the non Entitlement kernel. They only happen very rarely so it could be
something unrelated too. I know the report is probably too vague to be useful.

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