Re: Network slowdown due to CFS

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From: Martin Michlmayr

Subject: Re: Network slowdown due to CFS

Date: Thursday, September 27, 2007 - 3:54 am

* Ingo Molnar <mingo@elte.hu> [2007-09-27 11:49]:
quoted text> Martin, could you check the iperf patch below instead of the yield
> patch - does it solve the iperf performance problem equally well,
> and does CPU utilization drop for you too?

Yes, it works and CPU goes down too.
-- 
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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