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Date: Mon, 2 Apr 2007 07:55:09 +0200 From: Ingo Molnar <mingo@...e.hu> To: Nivedita Singhvi <niv@...ibm.com> Cc: Dave Sperry <dave_sperry@...e.org>, linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org> Subject: Re: Poor UDP performance using 2.6.21-rc5-rt5 * Nivedita Singhvi <niv@...ibm.com> wrote: > Dave Sperry wrote: > >Hi > > (adding netdev to cc list) in general (except of course those netdev folks that are interested in -rt+networking performance matters) i'd suggest we analyze this in an -rt specific way - netdev shouldnt have to bother about this. > And I'm assuming nothing very different in the stats or errors through > both runs? one thing to check would be whether both kernels use the same clocksource, via: cat /sys/devices/system/clocksource/clocksource0/current_clocksource but at first sight there's no clocksource related overhead in the oprofile. Ingo - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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