Date: Tue, 28 Oct 2008 12:21:32 +0100 From: Ivan Voras <ivoras@freebsd.org> To: freebsd-net@freebsd.org Subject: Re: two NIC on 2 core system (scheduling problem) Message-ID: <ge6sia$6as$1@ger.gmane.org> In-Reply-To: <4906EE31.3080400@samoylyk.sumy.ua> References: <200810281235.53508.gizmen@blurp.pl> <4906EC8D.7070503@freebsd.org> <4906EE31.3080400@samoylyk.sumy.ua>
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[-- Attachment #1 --] Oleksandr Samoylyk wrote: > Ivan Voras wrote: >> Bartosz Giza wrote: >> >>> Another question is why em0 taskq is eating so much cpu ? BGE >>> interface is actually one that pushes 2 times more packets than em0 >>> and it uses about half cpu comparing to em0. Is that not strange ? >>> Could someone tell my why is this happening ? BGE is faster ? or >>> maybe i can tune some >> >> I have the same problem - em0 taskq eating incredible amounts of CPU. If >> you find a solution, contact me! >> >> > > It could be not just a problem with em driver. > Firstly, it's good to make profiling and find out what exactly eats CPU Can you give any pointers on how to profile the driver and/or the network stack? [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFJBvW8ldnAQVacBcgRAutnAJ9N86QQS5SeA/xAVVsEtg+YI7Kn0QCgr4zm qyWzcnSqf69++KOtCjcPVps= =hbuP -----END PGP SIGNATURE-----
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