Date: Sun, 29 Mar 2015 02:05:33 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org> Subject: Re: irq cpu binding Message-ID: <20150328230533.GI23643@zxy.spb.ru> In-Reply-To: <CAJ-VmokwGgHGP6AjBcGbyJShBPX6dyJjjNeCBcjxLi1obaiRtQ@mail.gmail.com> References: <20150328192505.GD23643@zxy.spb.ru> <CAJ-Vmo=R5J=LT9ntgZJ4xHZwn8_WEAUC=3wSqPKn3=z8ki_N6A@mail.gmail.com> <20150328194959.GE23643@zxy.spb.ru> <CAJ-Vmo=1rzB%2BYNGNuV9s=FnSse7FL7S42OSS4u-PzUs74b850A@mail.gmail.com> <20150328201219.GF23643@zxy.spb.ru> <CAJ-Vmo=wecgoVYcS14gsOnT86p=HEMdao65aXTi7jLfVVyOELg@mail.gmail.com> <20150328221621.GG23643@zxy.spb.ru> <CAJ-Vmomd6Z5Ou7cvV1Kg4m=X2907507hqKMWiz6ssZ45Pi_-Dg@mail.gmail.com> <20150328224634.GH23643@zxy.spb.ru> <CAJ-VmokwGgHGP6AjBcGbyJShBPX6dyJjjNeCBcjxLi1obaiRtQ@mail.gmail.com>
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On Sat, Mar 28, 2015 at 03:49:48PM -0700, Adrian Chadd wrote: > You should totally join #bsdcode on efnet and ask me about it. :) I am totaly don't use IRC (last 20 years). May be skype? > on RSS, this is what would happen: > > * ALL NICs RSS BUCKET 0 -> core 0 > * ... > * ALL NICs RSS BUCKET 7 -> core 7 My expirens: this is worse vs dedicated core (one core handeled only one bucket of one NIC). > Now, that's not really 100% optimal for NUMA and multiple PCIe > controllers, but we're not there yet. > > Hopefully I can twist/cajole navdeep @ chelsio to continue doing a > little more RSS work so I can teach cxgbe/cxl about RSS configuration, > but ixgbe, igb and ixl all do the above when RSS is enabled. Most part of my setup use cxgbe.
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