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From: Anant Nitya <kernel@prachanda.info>
To: linux-kernel@vger.kernel.org
Cc: Ingo Molnar <mingo@elte.hu>,
	Linus Torvalds <torvalds@linux-foundation.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: bad networking related lag in v2.6.22-rc2
Date: Tue, 22 May 2007 11:50:34 +0530	[thread overview]
Message-ID: <200705221150.35774.kernel@prachanda.hub> (raw)
In-Reply-To: <20070521102009.GA12196@elte.hu>

On Monday 21 May 2007 15:50:09 Ingo Molnar wrote:
> * Anant Nitya <kernel@prachanda.info> wrote:
> > Tcp:
> >     5 connections established
>
> hm, this does not explain the /proc/net/tcp overhead i think - although
> it could be a red herring. Will have a closer look at your new trace.
>
> if possible please try to generate the automatic softirq trace for
> Thomas, and then a separate trace for the firefox/net-lag thing, using
> trace-it-10sec.c. Btw., for the second trace, could you boot with
> maxcpus=1? That would make the second trace quite a bit more
> straightforward to analyze. You probably need both cpus to trigger the
> softirq problem.
>
> 	Ingo

here is the link for new trace with maxcpus=1.
http://cybertek.info/taitai/trace-it-10sec-to-ingo-with-maxcpus=1.bz2

Regards
Ananitya

-- 
Out of many thousands, one may endeavor for perfection, and of
those who have achieved perfection, hardly one knows Me in truth.
				-- Gita Sutra Of Mysticism

  reply	other threads:[~2007-05-22  6:21 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-17 17:45 [patch] CFS scheduler, -v13 Ingo Molnar
2007-05-17 21:47 ` Anant Nitya
2007-05-18 10:26   ` Ingo Molnar
2007-05-18 16:13     ` Anant Nitya
2007-05-19 21:16     ` Anant Nitya
2007-05-20  6:38       ` Ingo Molnar
2007-05-21  7:58       ` bad networking related lag in v2.6.22-rc2 Ingo Molnar
2007-05-21  8:03         ` Ingo Molnar
2007-05-21  8:05           ` Ingo Molnar
2007-05-21  8:12           ` Ingo Molnar
2007-05-21  8:29             ` David Miller
2007-05-21 10:09               ` Ingo Molnar
2007-05-21 10:14             ` Anant Nitya
2007-05-21 10:20               ` Ingo Molnar
2007-05-22  6:20                 ` Anant Nitya [this message]
2007-05-21 19:40             ` Anant Nitya
2007-05-21 20:46               ` Ingo Molnar
2007-05-21 21:02                 ` Patrick McHardy
2007-05-21 21:30                   ` Patrick McHardy
2007-05-22  6:17                     ` Anant Nitya
2007-05-22  6:22                       ` Ingo Molnar
2007-05-23  5:40                         ` Anant Nitya
2007-05-23  6:30                           ` Ingo Molnar
2007-05-23 10:56                             ` Patrick McHardy
2007-05-23 11:05                               ` Ingo Molnar
2007-05-23 11:25                               ` Herbert Xu
2007-05-23 11:33                                 ` Patrick McHardy
2007-05-23 15:00                                   ` Linus Torvalds
2007-05-23 17:16                                     ` Patrick McHardy
2007-05-23 11:40                                 ` Ingo Molnar
2007-05-23 21:30                                   ` David Miller
2007-05-24  5:41                                     ` Patrick McHardy
2007-05-24  6:40                                       ` David Miller
2007-05-24  7:12                                     ` Anant Nitya
2007-05-22  6:23                       ` Ingo Molnar
2007-05-22  6:24                         ` Ingo Molnar
2007-05-22  9:17                       ` Patrick McHardy
2007-05-22 12:47                         ` Anant Nitya
2007-05-21  8:25         ` David Miller
2007-05-21  8:28           ` Ingo Molnar
2007-05-21  8:30             ` David Miller
2007-05-21 15:57       ` [patch] CFS scheduler, -v13 Linus Torvalds
2007-05-22 22:06   ` Bill Davidsen
2007-05-23  5:45     ` Anant Nitya
2007-05-18 15:20 ` Michael Lothian
2007-05-18 15:56   ` Ingo Molnar

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