Re: interactive task starvation

Ingo Molnar
2006-03-21T14:34:48Z

* Con Kolivas <kernel@kolivas.org> wrote:

> On Wednesday 22 March 2006 01:28, Mike Galbraith wrote:
> > On Wed, 2006-03-22 at 01:19 +1100, Con Kolivas wrote:
> > > What you're fixing with unfairness is worth pursuing. The 'ls' issue just
> > > blows my mind though for reasons I've just said. Where are the magic
> > > cycles going when nothing else is running that make it take ten times
> > > longer?
> >
> > What I was talking about when I mentioned scrolling was rendering.
>
> I'm talking about the long standing report that 'ls' takes 10 times
> longer on 2.6 90% of the time you run it, and doing 'ls | cat' makes
> it run as fast as 2.4. This is what Willy has been fighting with.

ah. That's i think a gnome-terminal artifact - it does some really
stupid dynamic things while rendering, it 'skips' certain portions of
rendering, depending on the speed of scrolling. Gnome 2.14 ought to have
that fixed i think.

Ingo