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Date: Tue, 19 May 2009 02:14:39 +0300 From: Vladimir Ivashchenko <hazard@...ncoudi.com> To: Jarek Poplawski <jarkao2@...il.com> Cc: netdev@...r.kernel.org, kaber@...sh.net, davem@...emloft.net, devik@....cz, Antonio Almeida <vexwek@...il.com> Subject: Re: HTB accuracy for high speed On Mon, 2009-05-18 at 15:36 +0100, Antonio Almeida wrote: > This patch works perfectly! > rate (bits/s) is now decreasing along with pps when I stop the traffic > (doesn't grow as it used to for rates over 500Mbtis/s). I'm not able to reach full speed with bond + HTB + sfq on 2.6.29.1, both with and without these patches. I seem to get a lot of drops on sfq qdiscs, whatever quantum I set. Playing with IRQ affinity doesn't help. I didn't check without bond. With bond + HFSC + sfq, I'm able to reach the speed. It doesn't seem to overspill with 580 mbps load. Jarek, would your patches help with HSFC overspill ? I will check tomorrow under 750 mbps load. # ethtool -k eth0 Offload parameters for eth0: Cannot get device flags: Operation not supported rx-checksumming: on tx-checksumming: on scatter-gather: on tcp segmentation offload: off udp fragmentation offload: off generic segmentation offload: off large receive offload: off # cat /sys/devices/system/clocksource/clocksource0/current_clocksource tsc -- Best Regards, Vladimir Ivashchenko Chief Technology Officer PrimeTel PLC, Cyprus - www.prime-tel.com Tel: +357 25 100100 Fax: +357 2210 2211 -- 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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