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Date: Sun, 8 Apr 2007 12:58:49 +0200 From: Ingo Molnar <mingo@...e.hu> To: Gene Heskett <gene.heskett@...il.com> Cc: linux-kernel@...r.kernel.org, Con Kolivas <kernel@...ivas.org>, Mike Galbraith <efault@....de>, Andrew Morton <akpm@...ux-foundation.org>, ck list <ck@....kolivas.org> Subject: Re: Ten percent test * Ingo Molnar <mingo@...e.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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