lkml.org 
[lkml]   [2003]   [Aug]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
SubjectRe: 2.6.0-test3-mm1 interactivity scheduling mistakes (smp)
From
On Wed, Aug 13, 2003 at 08:08:21PM +0200, Felipe Alfaro Solana wrote:
> On Wed, 2003-08-13 at 20:00, Helge Hafting wrote:
> > I ran a "nice make -j3 bzImage" on 2.6.9-test3-mm1 in order
> > to compile 2.6.0-test3-mm2 on my dual celeron.
> >
> > While waiting I played cuyo, a lightweight game similiar to tetris.
> >
> > This mostly behaved as expected, with a responsive game.
> > But mozilla (on some other virtual desktop) occationally
> > refreshed its page, causing several seconds with jerky response
> > in the game.
> >
> > This is wrong for two reasons:
> > 1. There should be enough cpu with two processors,
> > one running the game and another the heavy mozilla stuff.
> > The make was niced after all. No guessing, I told it explicitly.
> >
> > 2. The game has very interactive behaviour, it uses 4-10% cpu
> > and cause X to use about 20%. Mozilla may have been idle for a
> > while, getting "interactive". But it shouldn't remain
> > interactive for so long, it sat at 100% till it went
> > idle again.
> >
> > X runs with elevated priority, (std. debian testing setup)
> > but that shouldn't matter - X only used 20% and that was
> > for the game and two xterms. Mozilla wasn't visible
> > at all.
>
> I can't tell you why, but for me, X behaves horribly if it's not reniced
> exactly at +0. In the past, I reniced X at -20, but Con told me that
> with O??int patches, X must/should work with no nicing at all.
>
> Could you please try again with X not reniced?
I tried again with X not reniced - and it failed the same way.

Helge Hafting
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:47    [W:0.080 / U:0.456 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site