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Date: Tue, 22 May 2007 11:50:34 +0530 From: Anant Nitya <kernel@...chanda.info> To: linux-kernel@...r.kernel.org Cc: Ingo Molnar <mingo@...e.hu>, Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org>, Thomas Gleixner <tglx@...utronix.de>, "David S. Miller" <davem@...emloft.net> Subject: Re: bad networking related lag in v2.6.22-rc2 On Monday 21 May 2007 15:50:09 Ingo Molnar wrote: > * Anant Nitya <kernel@...chanda.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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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