Date: Fri, 19 May 2000 17:57:24 +0400 (MSD) From: Dmitry Samersoff <dms@wplus.net> To: Travis Cole <tcole@wcug.wwu.edu> Cc: freebsd-hackers@FreeBSD.ORG, freebsd-net@FreeBSD.ORG Subject: Re: bpf question Message-ID: <XFMail.20000519175724.dms@wplus.net> In-Reply-To: <20000517231043.A13544@wcug.wwu.edu>
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On 18-May-2000 Travis Cole wrote: > On Wed, May 17, 2000 at 05:51:59PM +0400, Dmitry Samersoff wrote: >> I have traffic metering program using bpf, >> it works fine on relatevly free net but looses about 30% >> of packets on havy loaded one. > > Are you doing dns lookups? Don't do those and you may fix your problem. Thanks for all. I tryed all usual solution (change CPU, bring packet parsing out of reading thread and so on.) and now I have stoped on perforamnce bpf itself. Is there alternate driver or can changing of bpf queue in kernel help, and where I can read about it? Did any body work with raw ethernet and is it helpfull? -- Dmitry Samersoff, dms@wplus.net, ICQ:3161705 http://devnull.wplus.net * There will come soft rains ... To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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