Date: Thu, 08 Mar 2012 12:50:14 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: pyunyh@gmail.com Cc: marius@freebsd.org, yongari@freebsd.org, "net@freebsd.org" <net@freebsd.org> Subject: Re: suboptimal bge(4) BCM5704 performance in RELENG_8 Message-ID: <4F584896.5010807@rdtc.ru> In-Reply-To: <20120308190628.GB13138@michelle.cdnetworks.com> References: <4F5608EA.6080705@rdtc.ru> <20120307202914.GB9436@michelle.cdnetworks.com> <4F571870.3090902@rdtc.ru> <20120308034345.GD9436@michelle.cdnetworks.com> <4F578FE1.1000808@rdtc.ru> <20120308190628.GB13138@michelle.cdnetworks.com>
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09.03.2012 02:06, YongHyeon PYUN пишет: > On Wed, Mar 07, 2012 at 11:42:09PM +0700, Eugene Grosbein wrote: >> 08.03.2012 10:43, YongHyeon PYUN пишет: >> >>>>> Show me the output of "sysctl dev.bge.0.stats". >>>> >>>> # sysctl dev.bge.0.stats >>>> dev.bge.0.stats.FramesDroppedDueToFilters: 0 >>>> dev.bge.0.stats.DmaWriteQueueFull: 84072 >>>> dev.bge.0.stats.DmaWriteHighPriQueueFull: 0 >>>> dev.bge.0.stats.NoMoreRxBDs: 0 >>>> dev.bge.0.stats.InputDiscards: 0 >>>> dev.bge.0.stats.InputErrors: 30 >>>> dev.bge.0.stats.RecvThresholdHit: 745400662 >>>> dev.bge.0.stats.DmaReadQueueFull: 2020586592 >>>> dev.bge.0.stats.DmaReadHighPriQueueFull: 0 >>>> dev.bge.0.stats.SendDataCompQueueFull: 0 >>>> dev.bge.0.stats.RingSetSendProdIndex: 2832885493 >>>> dev.bge.0.stats.RingStatusUpdate: 899990835 >>>> dev.bge.0.stats.Interrupts: 899990835 >>>> dev.bge.0.stats.AvoidedInterrupts: 0 >>>> dev.bge.0.stats.SendThresholdHit: 0 >>>> dev.bge.0.stats.rx.ifHCInOctets: 491268800 >>>> dev.bge.0.stats.rx.Fragments: 234 >>>> dev.bge.0.stats.rx.UnicastPkts: 1977202324 >>>> dev.bge.0.stats.rx.MulticastPkts: 0 >>>> dev.bge.0.stats.rx.FCSErrors: 341 >>> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ >>> You have multiple FCS and Input errors. Check signal >>> quality(i.e. UTP cable). Btw, I still think these errors are pretty seldom and cannot explain why I can't get full output gigabit speed. And what do these DmaWriteQueueFull/DmaReadQueueFull mean? Will it help to increase interface FIFO queue to eliminate output drops? Eugene Grosbein
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