Re: 2.6 vs 2.4, ssh terminal slowdown

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On Wed, 2006-02-15 at 06:22 +0100, MIke Galbraith wrote:
> > OK, with 2.6.16-rc2-mm1, "ls" bounces around between 0.15s and
> 0.50s.
> > Better than mainline but the large seemingly random variance is
> still
> > perceptible and annoying.  And, "ls | cat" behaves about the same as
> > "ls", while on mainline it was consistently faster (!).
> 
> Ok.  That means the reduction in fluctuation had nothing to do with my
> changes.  It also suggests that there may be something of a regression
> in the changes that are in mm, which I also carried in my patch, since
> the timing for both kernels appear to be ~identical with or without my
> bits.  That seems a little odd to me considering what those changes
> do.
> 
> > 
> > Do you have an updated patch against -mm that I can test?
> 
> I will soon if you still want to try it. I've fixed the throttle
> release
> thing, and am fine tuning the interactivity bits.  I have it working
> very well now, but want to try to squeeze some more from it.
> 
> Drop me a line if you're still interested from the interactivity side,
> but I think the ls delay reduction has turned out to be a red
> herring. 

Just to be clear - this is 2.6.16-rc2-mm1 *without* your patch that I am
talking about.

Lee

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