Date: Fri, 28 Feb 2020 17:51:03 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Hans Petter Selasky <hps@selasky.org> Cc: Nick Rogers <ncrogers@gmail.com>, "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Intel ix staled under heavy load Message-ID: <20200228145103.GQ8012@zxy.spb.ru> In-Reply-To: <a7b3a93d-12ea-803e-5cbf-dbd1874644b3@selasky.org> References: <20200114145443.GG38096@zxy.spb.ru> <1deada88-beae-9747-d505-5fe142dd5c37@selasky.org> <20200114150740.GH38096@zxy.spb.ru> <bd8a2f59-ae39-01d6-c828-ebc3c3e29eee@selasky.org> <CAKOb=YbCUhZKMfciP2JXvr8S4KSm3j%2BowTwrQtc=Y-qCFKEGcw@mail.gmail.com> <a7b3a93d-12ea-803e-5cbf-dbd1874644b3@selasky.org>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Jan 15, 2020 at 09:41:06AM +0100, Hans Petter Selasky wrote: > On 2020-01-14 19:26, Nick Rogers wrote: > > On Tue, Jan 14, 2020 at 10:09 AM Hans Petter Selasky <hps@selasky.org> > > wrote: > > > >> On 2020-01-14 16:07, Slawa Olhovchenkov wrote: > >>>> this is a known issue in iflib. > >>> Unresolved? > >> > >> See mail I sent off-list. > >> > > > > I would be interested to know if this is resolved or not as well. > > > > No, not yet. > > Slawa, can you dump the iflib sysctl's when the card is in the stalled > state? I am see individual stalled RX queue. For this case: a) rxd_tail == rxd_head (in normal case w/o traffic rxd_tail == rxd_head-1) b) rxq_fl0.cidx == rxd_tail (in normal case w/o traffic rxq_fl0.cidx == rxd_head) For example1: # sysctl dev.ix | grep -e rxd_ -e rxq_fl0.cidx dev.ix.1.queue3.rxd_tail: 1693 dev.ix.1.queue3.rxd_head: 1694 dev.ix.1.queue2.rxd_tail: 1917 dev.ix.1.queue2.rxd_head: 1918 dev.ix.1.queue1.rxd_tail: 1628 dev.ix.1.queue1.rxd_head: 1629 dev.ix.1.queue0.rxd_tail: 161 dev.ix.1.queue0.rxd_head: 162 dev.ix.1.iflib.rxq3.rxq_fl0.cidx: 1694 dev.ix.1.iflib.rxq2.rxq_fl0.cidx: 1918 dev.ix.1.iflib.rxq1.rxq_fl0.cidx: 1629 dev.ix.1.iflib.rxq0.rxq_fl0.cidx: 162 dev.ix.0.queue3.rxd_tail: 1141 dev.ix.0.queue3.rxd_head: 1142 dev.ix.0.queue2.rxd_tail: 1598 dev.ix.0.queue2.rxd_head: 1598 ^^^^^^^^^^^ dev.ix.0.queue1.rxd_tail: 720 dev.ix.0.queue1.rxd_head: 721 dev.ix.0.queue0.rxd_tail: 1356 dev.ix.0.queue0.rxd_head: 1356 ^^^^^^^ dev.ix.0.iflib.rxq3.rxq_fl0.cidx: 1142 dev.ix.0.iflib.rxq2.rxq_fl0.cidx: 1598 dev.ix.0.iflib.rxq1.rxq_fl0.cidx: 721 dev.ix.0.iflib.rxq0.rxq_fl0.cidx: 1356 For example2: # sysctl dev.ix | grep -e rxd_ -e rxq_fl0.cidx dev.ix.0.queue3.rxd_tail: 205 dev.ix.0.queue3.rxd_head: 240 dev.ix.0.queue2.rxd_tail: 1566 dev.ix.0.queue2.rxd_head: 1566 ^^^^^^^^^^^^^^ dev.ix.0.queue1.rxd_tail: 1371 dev.ix.0.queue1.rxd_head: 1456 dev.ix.0.queue0.rxd_tail: 1120 dev.ix.0.queue0.rxd_head: 1120 ^^^^^^^^^^ dev.ix.0.iflib.rxq3.rxq_fl0.cidx: 708 dev.ix.0.iflib.rxq2.rxq_fl0.cidx: 1566 dev.ix.0.iflib.rxq1.rxq_fl0.cidx: 1764 dev.ix.0.iflib.rxq0.rxq_fl0.cidx: 1120
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20200228145103.GQ8012>