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Re: Network slowdown due to CFS
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From:
Martin Michlmayr <tbm@...>
To: Mike Galbraith <efault@...>
Cc: Ingo Molnar <mingo@...>, Srivatsa Vaddagiri <vatsa@...>, <linux-kernel@...>
Subject:
Re: Network slowdown due to CFS
Date: Wednesday, September 26, 2007 - 6:48 am
* Mike Galbraith <efault@gmx.de> [2007-09-26 12:23]:
quoted text
> I noticed on the iperf website a patch which contains sched_yield(). >
http://dast.nlanr.net/Projects/Iperf2.0/patch-iperf-linux-2.6.21.txt
> > Do you have that patch applied by any chance? If so, it might be a > worth while to try it without it.
Yes, this patch was applied. When I revert it, I get the same (high) performance with both kernels. -- Martin Michlmayr
http://www.cyrius.com/
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Messages in current thread:
Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 4:52 am)
Re: Network slowdown due to CFS
, Mike Galbraith
, (Wed Sep 26, 6:23 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 6:48 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 7:21 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 7:29 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 5:49 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Thu Sep 27, 6:54 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 6:56 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Thu Sep 27, 7:12 am)
RE: Network slowdown due to CFS
, David Schwartz
, (Wed Sep 26, 8:00 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 9:31 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 5:30 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 5:46 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 8:27 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 9:31 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 10:42 am)
Re: Network slowdown due to CFS
, Nick Piggin
, (Fri Sep 28, 2:10 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Mon Oct 1, 4:43 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 5:26 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 12:25 pm)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 5:03 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 9:39 am)
Re: Network slowdown due to CFS
, Chris Friesen
, (Mon Oct 1, 12:55 pm)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 1:09 pm)
Re: Network slowdown due to CFS
, Chris Friesen
, (Mon Oct 1, 1:45 pm)
Re: iperf yield usage
, Ingo Molnar
, (Mon Oct 1, 3:09 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 12:49 pm)
RE: Network slowdown due to CFS
, Rusty Russell
, (Wed Oct 3, 8:31 pm)
Re: Network slowdown due to CFS
, Helge Hafting
, (Wed Oct 3, 7:31 am)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 3:53 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 6:17 pm)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 6:35 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 6:44 pm)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 6:55 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Tue Oct 2, 11:37 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 3:15 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 1:31 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 2:23 pm)
Re: yield API
, Ingo Molnar
, (Tue Oct 2, 2:46 am)
Re: yield API
, Jesper Juhl
, (Wed Dec 12, 6:39 pm)
Re: yield API
, Kyle Moffett
, (Thu Dec 13, 12:43 am)
RE: yield API
, David Schwartz
, (Thu Dec 13, 4:10 pm)
Re: yield API
, Eric St-Laurent
, (Tue Oct 2, 5:57 pm)
Re: yield API
, linux-os (Dick Johnson)
, (Tue Oct 2, 7:50 am)
Re: yield API
, Douglas McNaught
, (Tue Oct 2, 11:24 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Tue Oct 2, 2:26 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Tue Oct 2, 2:08 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Tue Oct 2, 2:06 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 4:02 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 4:16 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 4:56 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 5:10 am)
Re: Network slowdown due to CFS
, Casey Dahlin
, (Thu Oct 4, 1:33 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 5:50 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Sun Oct 7, 3:18 am)
Re: Network slowdown due to CFS
, Dmitry Adamushko
, (Wed Oct 3, 6:55 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 7:40 am)
Re: yield
, Ingo Molnar
, (Wed Oct 3, 7:56 am)
Re: yield
, Jarek Poplawski
, (Wed Oct 3, 8:16 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 7:22 am)
Re: Network slowdown due to CFS
, Dmitry Adamushko
, (Wed Oct 3, 6:58 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 7:20 am)
Re: Network slowdown due to CFS
, Andi Kleen
, (Tue Oct 2, 2:47 am)
Re: Network slowdown due to CFS
, Stephen Hemminger
, (Wed Sep 26, 11:46 am)
Re: Network slowdown due to CFS
, Stephen Hemminger
, (Wed Sep 26, 11:40 am)
Re: Network slowdown due to CFS
, Mike Galbraith
, (Wed Sep 26, 6:20 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 5:34 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 5:47 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 6:08 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 6:18 am)
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