Re: Ten percent test

[Ingo Molnar <mingo@elte.hu>]

* Ingo Molnar <mingo@elte.hu> wrote:

> > My question then, is why did it take a very public cat-fight to get 
> > this looked at and the code adjusted?  Its been what, nearly 2 years 
> > since Linus himself made a comment that this thing needed fixed.  
> > The fixes then done were of very little actual effectiveness and the 
> > situation then has gradually deteriorated since.
> 
> this is pretty hard to get right, and the most objective way to change 
> it is to do it testcase-driven. FYI, interactivity tweaking has been 
> gradual, the last bigger round of interactivity changes were done a 
> year ago:

and note that a year ago Mike did a larger patch too, not unlike his 
current patch - but we hoped that his smaller change would be sufficient 
- and nobody came along and said "i tested Mike's and the difference is 
significant on my system". Which seems to suggest that the number of 
problem-systems and worried users/developers isnt particularly large.

	Ingo