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Date: Wed, 04 Nov 2009 06:27:42 +0100 From: Eric Dumazet <eric.dumazet@...il.com> To: Ryousei Takano <ryousei@...il.com> CC: Stephen Hemminger <shemminger@...tta.com>, Patrick McHardy <kaber@...sh.net>, Linux Netdev List <netdev@...r.kernel.org>, takano-ryousei@...t.go.jp Subject: Re: HTB accuracy on 10GbE Eric Dumazet a écrit : > > Hmm, do you know part of the error comes from the user tool itself ? > > If you check iperf results at sender and receiver you'll see different > values, sender lies a bit. > > Tried here on a Gbit link (I dont have 10Gbe yet) > > $ ./iperf.bench.sh > .100 104 > .200 206 > .300 307 > .400 413 > .500 515 > .600 610 > .700 715 > .800 822 > .900 913 > 1.000 945 > (that was with standard 1500 MTU) Now, with 9000 MTU and 50 seconds samples (instead of 5 s) I get : $ ./iperf.bench.sh .100 101 .200 200 .300 301 .400 401 .500 500 .600 601 .700 700 .800 803 .900 903 1.000 991 Not too bad :) -- 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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