Re: [patch] CFS scheduler, -v19

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To: Markus <lists4me@...>
Cc: Ed Tomlinson <edt@...>, Ingo Molnar <mingo@...>, <linux-kernel@...>, Linus Torvalds <torvalds@...>, Andrew Morton <akpm@...>, Arjan van de Ven <arjan@...>, Thomas Gleixner <tglx@...>, Dmitry Adamushko <dmitry.adamushko@...>, Srivatsa Vaddagiri <vatsa@...>
Date: Monday, July 16, 2007 - 2:42 am

On Sun, 2007-07-15 at 23:11 +0200, Markus wrote:

Yes, from your description, and with the now presented additional
information that the git-snapshot exhibits the same symptoms, it sounds
like cfs _may_ be implicated in some way.  I can't imagine how at the
moment.  In your original report, there are other patches involved,
which are an unknown variables.  The git-snapshot contains very many
changes other than cfs as well.  I'd eliminate absolutely all unknowns
as the first step.


Yes.  It would definitely be worth while to test a virgin stable kernel,
and then add only cfs with identical config.  Dmesg output may not turn
up anything, but eliminating all other variables should either pin the
tail on the donkey (cfs?) or vindicate it, and that's what needs to be
nailed down solidly first.

	-Mike

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Messages in current thread:
[patch] CFS scheduler, -v19, Ingo Molnar, (Fri Jul 6, 1:33 pm)
Re: [patch] CFS scheduler, -v19, Ed Tomlinson, (Sat Jul 14, 1:19 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Mon Jul 16, 5:17 am)
Re: [patch] CFS scheduler, -v19, Ed Tomlinson, (Mon Jul 16, 7:10 am)
Re: [patch] CFS scheduler, -v19, Mike Galbraith, (Sun Jul 15, 1:25 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Mon Jul 16, 4:00 am)
Re: [patch] CFS scheduler, -v19, Markus, (Sun Jul 15, 8:53 am)
Re: [patch] CFS scheduler, -v19, Mike Galbraith, (Sun Jul 15, 3:46 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Sun Jul 15, 5:11 pm)
Re: [patch] CFS scheduler, -v19, Mike Galbraith, (Mon Jul 16, 2:42 am)
Re: [patch] CFS scheduler, -v19, Markus, (Sat Jul 14, 7:34 am)
Re: [patch] CFS scheduler, -v19, Markus, (Sat Jul 14, 11:11 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Mon Jul 16, 5:41 am)
Re: [patch] CFS scheduler, -v19, Markus, (Mon Jul 16, 1:59 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 3:37 am)
Re: [patch] CFS scheduler, -v19, Markus, (Tue Jul 17, 9:06 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 1:06 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Tue Jul 17, 3:42 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 4:09 pm)
Re: [patch] CFS scheduler, -v19, Linus Torvalds, (Tue Jul 17, 4:37 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 4:43 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Tue Oct 16, 8:02 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Thu Aug 9, 1:34 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Fri Aug 10, 3:46 am)
Re: [patch] CFS scheduler, -v19, Markus, (Tue Aug 14, 1:15 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Fri Jul 20, 6:26 pm)
Re: [patch] CFS scheduler, -v19, Markus, (Tue Jul 17, 6:03 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 1:13 pm)
Re: [patch] CFS scheduler, -v19, Mike Galbraith, (Tue Jul 10, 4:08 am)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Wed Jul 11, 1:26 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Wed Jul 11, 4:55 pm)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Fri Jul 13, 5:19 pm)
Re: [patch] CFS scheduler, -v19, Chuck Ebbert, (Mon Jul 16, 5:34 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Mon Jul 16, 5:55 pm)
Re: [patch] CFS scheduler, -v19, Ian Kent, (Tue Jul 17, 1:01 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 3:45 am)
Re: [patch] CFS scheduler, -v19, Linus Torvalds, (Wed Jul 18, 12:03 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 4:16 am)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Wed Jul 18, 5:37 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 10:32 am)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Thu Jul 19, 10:32 pm)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Thu Jul 19, 1:06 pm)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Thu Jul 19, 1:26 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 1:42 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 1:17 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 1:10 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Thu Jul 19, 4:53 am)
Re: [patch] CFS scheduler, -v19, Ian Kent, (Wed Jul 18, 1:31 pm)
RE: [patch] CFS scheduler, -v19, David Schwartz, (Tue Jul 17, 5:16 pm)
RE: [patch] CFS scheduler, -v19, Ian Kent, (Wed Jul 18, 1:59 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Wed Jul 18, 3:54 am)
Re: [patch] CFS scheduler, -v19, Linus Torvalds, (Wed Jul 18, 1:23 pm)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Wed Jul 18, 9:50 am)
Re: [patch] CFS scheduler, -v19, Chuck Ebbert, (Tue Jul 17, 12:30 pm)
Re: [patch] CFS scheduler, -v19, Ian Kent, (Tue Jul 17, 7:17 am)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Tue Jul 17, 1:16 pm)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Tue Jul 17, 9:24 pm)
Re: [patch] CFS scheduler, -v19, Ian Kent, (Wed Jul 18, 2:19 am)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Tue Jul 17, 12:22 am)
Re: [patch] CFS scheduler, -v19, Bill Davidsen, (Thu Jul 12, 8:41 am)
Re: [patch] CFS scheduler, -v19, Willy Tarreau, (Sun Jul 8, 1:46 pm)
Re: [patch] CFS scheduler, -v19, Ingo Molnar, (Mon Jul 9, 6:39 pm)
Re: [patch] CFS scheduler, -v19, Willy Tarreau, (Tue Jul 17, 5:44 pm)