On 04/08/2007 12:41 PM, Ingo Molnar wrote:
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:
commit 5ce74abe788a26698876e66b9c9ce7e7acc25413
Author: Mike Galbraith <[email protected]>
Date: Mon Apr 10 22:52:44 2006 -0700
[PATCH] sched: fix interactive task starvation
(and a few smaller tweaks since then too.)
and that change from Mike responded to a testcase. Mike's latest changes
(the ones you just tested) were mostly driven by actual testcases too,
which measured long-term timeslice distribution fairness.
Ah yes, that one. Here's the next one in that series:
commit f1adad78dd2fc8edaa513e0bde92b4c64340245c
Author: Linus Torvalds <[email protected]>
Date: Sun May 21 18:54:09 2006 -0700
Revert "[PATCH] sched: fix interactive task starvation"
It personally had me wonder if _anyone_ was testing this stuff...
Rene.
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