Date: Wed, 18 Jul 2007 13:11:59 +0900 From: Pyun YongHyeon <pyunyh@gmail.com> To: St?le Kristoffersen <staale@kristoffersen.ws> Cc: Kip Macy <kip.macy@gmail.com>, current@freebsd.org Subject: Re: Slow networkperformance in current? Message-ID: <20070718041159.GC37935@cdnetworks.co.kr> In-Reply-To: <20070716213425.GB19282@eschew.pusen.org> References: <20070716190441.GA19282@eschew.pusen.org> <b1fa29170707161247r1a9421cbxf4ec9be1e4c63f7d@mail.gmail.com> <20070716213425.GB19282@eschew.pusen.org>
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On Mon, Jul 16, 2007 at 11:34:25PM +0200, St?le Kristoffersen wrote: > On 2007-07-16 at 12:47, Kip Macy wrote: > > 10 GigE cards are doing line rate - over time the cpu usage required > > to do so is going down. Your experience is probably due to NIC issues. > > What kind of NIC are you using? And have you changed any configuration > > or settings? > > I was thinking of the NIC, thats why I tried it on localhost (bypassing the > NIC(?)). > I'm using a re-nick: > re0: <RealTek 8168/8111B PCIe Gigabit Ethernet> port 0x7e00-0x7eff mem > 0xfd3ff000-0xfd3fffff irq 18 at device 0.0 on pci3 > I'm not sure it's directly related with re(4) but try overhauled re(4). http://people.freebsd.org/~yongari/re.HEAD.patch It seems that you also have PCIe based NIC. Try MSI patch for re(4) in addition to above one. > I have not changed anything, except upgrading the world + kernel. No > hardware was added, no bios-settings where changed. The only thing I can > think of is that I might have changed a sysctl a long time ago that boosted > my performance, and that change have been lost after the reboot. > > -- > St?le Kristoffersen > staalebk@ifi.uio.no -- Regards, Pyun YongHyeon
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