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Re: Network slowdown due to CFS
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From: Martin Michlmayr
Subject:
Re: Network slowdown due to CFS
Date: Wednesday, September 26, 2007 - 3:48 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, 1:52 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 2:34 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 2:47 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 3:08 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 3:18 am)
Re: Network slowdown due to CFS
, Mike Galbraith
, (Wed Sep 26, 3:20 am)
Re: Network slowdown due to CFS
, Mike Galbraith
, (Wed Sep 26, 3:23 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 3:48 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 4:21 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Wed Sep 26, 4:29 am)
RE: Network slowdown due to CFS
, David Schwartz
, (Wed Sep 26, 5:00 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Sep 26, 6:31 am)
Re: Network slowdown due to CFS
, Stephen Hemminger
, (Wed Sep 26, 8:40 am)
Re: Network slowdown due to CFS
, Stephen Hemminger
, (Wed Sep 26, 8:46 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 2:30 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 2:46 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 2:49 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Thu Sep 27, 3:54 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 3:56 am)
Re: Network slowdown due to CFS
, Martin Michlmayr
, (Thu Sep 27, 4:12 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 5:27 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Thu Sep 27, 6:31 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Thu Sep 27, 7:42 am)
Re: Network slowdown due to CFS
, Nick Piggin
, (Thu Sep 27, 11:10 pm)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Mon Oct 1, 1:43 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 9:25 am)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 9:49 am)
Re: Network slowdown due to CFS
, Chris Friesen
, (Mon Oct 1, 9:55 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 10:09 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 10:31 am)
Re: Network slowdown due to CFS
, Chris Friesen
, (Mon Oct 1, 10:45 am)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 11:23 am)
Re: iperf yield usage
, Ingo Molnar
, (Mon Oct 1, 12:09 pm)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 12:53 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 3:17 pm)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 3:35 pm)
RE: Network slowdown due to CFS
, David Schwartz
, (Mon Oct 1, 3:44 pm)
Re: Network slowdown due to CFS
, Arjan van de Ven
, (Mon Oct 1, 3:55 pm)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 11:06 pm)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 11:08 pm)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Mon Oct 1, 11:26 pm)
Re: yield API
, Ingo Molnar
, (Mon Oct 1, 11:46 pm)
Re: Network slowdown due to CFS
, Andi Kleen
, (Mon Oct 1, 11:47 pm)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 2:03 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 2:26 am)
Re: yield API
, linux-os (Dick Johnson)
, (Tue Oct 2, 4:50 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Tue Oct 2, 6:39 am)
Re: yield API
, Douglas McNaught
, (Tue Oct 2, 8:24 am)
RE: Network slowdown due to CFS
, David Schwartz
, (Tue Oct 2, 8:37 am)
Re: yield API
, Eric St-Laurent
, (Tue Oct 2, 2:57 pm)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 12:15 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 1:02 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 1:16 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 1:56 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 2:10 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 2:50 am)
Re: Network slowdown due to CFS
, Dmitry Adamushko
, (Wed Oct 3, 3:55 am)
Re: Network slowdown due to CFS
, Dmitry Adamushko
, (Wed Oct 3, 3:58 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 4:20 am)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Wed Oct 3, 4:22 am)
Re: Network slowdown due to CFS
, Helge Hafting
, (Wed Oct 3, 4:31 am)
Re: Network slowdown due to CFS
, Jarek Poplawski
, (Wed Oct 3, 4:40 am)
Re: yield
, Ingo Molnar
, (Wed Oct 3, 4:56 am)
Re: yield
, Jarek Poplawski
, (Wed Oct 3, 5:16 am)
RE: Network slowdown due to CFS
, Rusty Russell
, (Wed Oct 3, 5:31 pm)
Re: Network slowdown due to CFS
, Casey Dahlin
, (Wed Oct 3, 10:33 pm)
Re: Network slowdown due to CFS
, Ingo Molnar
, (Sun Oct 7, 12:18 am)
Re: yield API
, Kyle Moffett
, (Wed Dec 12, 9:43 pm)
RE: yield API
, David Schwartz
, (Thu Dec 13, 1:10 pm)
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