Date: Thu, 09 May 2013 23:30:36 +0700 From: Eugene Grosbein <egrosbein@rdtc.ru> To: Barney Cordoba <barney_cordoba@yahoo.com> Cc: freebsd-net@freebsd.org, =?UTF-8?B?IkNsw6ltZW50IEhlcm1hbm4gKG5vZGVucyki?= <nodens2099@gmail.com> Subject: Re: High CPU interrupt load on intel I350T4 with igb on 8.3 Message-ID: <518BCF2C.3080307@rdtc.ru> In-Reply-To: <1368116720.51479.YahooMailClassic@web121606.mail.ne1.yahoo.com> References: <1368116720.51479.YahooMailClassic@web121606.mail.ne1.yahoo.com>
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On 09.05.2013 23:25, Barney Cordoba wrote: >> Network device driver is not guilty here, that's just pf's >> contention >> running in igb's context. >> >> Eugene Grosbein > > They're both at play. Single threadedness aggravates subsystems that > have too many lock points. > > It can also be "solved" with using 1 queue, because then you don't > have 4 queues going into a single thread. Again, the problem is within pf(4)'s global lock, not in the igb(4).
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