Thank You for answer. I have application with 8 threads that are running on all 8 cpus, but ixgbe use only 1 interrupts. Why? Is it possible to use multiple interrupts (based on different src/dst ip and ports) with disabled ATR?
11.12.2014 1:13, Skidmore, Donald C пишет: > Hey Viktor, > > If you set ATRSampleRate to zero you are disabling ATR. ATR attempts to keep > the incoming flows on the queue/CPU that they are transmitted on. The idea > being to keep the flow on the same CPU as the application. > > Thanks, > -Don Skidmore <donald.c.skidm...@intel.com> > >> -----Original Message----- >> From: Viktor Khomyuk [mailto:v.khom...@office.ngs.ru] >> Sent: Wednesday, December 10, 2014 2:33 AM >> To: e1000-devel@lists.sourceforge.net >> Subject: [E1000-devel] ixgbe use only one queue for outgoing vlan when >> AtrSampleRate=0 >> >> Hello! When option AtrSampleRate is set to 0 and when vlan interface >> (eth3.4002) is using for outgouing traffic only one (TX) interrupt is using. >> Without AtrSampleRate=0,0 all 8 interrupts are using. >> Do You know why this happens? >> >> Incoming interface eth2 >> grep eth2 /proc/interrupts >> 141: 45174 0 0 0 0 0 0 0 0 eth2-TxRx-0 >> 142: 7 44724 0 0 0 0 0 0 0 eth2-TxRx-1 >> 143: 7 0 45014 0 0 0 0 0 0 eth2-TxRx-2 >> 144: 7 0 0 44558 0 0 0 0 0 eth2-TxRx-3 >> 145: 7 0 0 0 45416 0 0 0 0 eth2-TxRx-4 >> 146: 7 0 0 0 0 45582 0 0 0 eth2-TxRx-5 >> 147: 7 0 0 0 0 0 45696 0 0 eth2-TxRx-6 >> 148: 7 0 0 0 0 0 0 682 0 eth2-TxRx-7 >> 149: 1 0 0 0 0 0 0 0 0 eth2 >> >> Outgoing interface eth3.4002 >> grep eth3 /proc/interrupts >> 150: 36 0 0 0 0 0 0 0 0 eth3-TxRx-0 >> 151: 13 34 0 0 0 0 0 0 0 eth3-TxRx-1 >> 152: 13 0 34 0 0 0 0 0 0 eth3-TxRx-2 >> 153: 13 0 0 34 0 0 0 0 0 eth3-TxRx-3 >> 154: 19 0 0 0 35 0 0 0 0 eth3-TxRx-4 >> 155: 13 0 0 0 0 34 0 0 0 eth3-TxRx-5 >> 156: 13 0 0 0 0 0 34 0 0 eth3-TxRx-6 >> 157: 13 0 0 0 0 0 0 71555 0 eth3-TxRx-7 >> 158: 2 0 0 0 0 0 0 0 0 eth3 >> * >> *Our configuration* >> *kernel 3.14.23 >> ixgbe 3.22.3 or ixgbe 3.21.2 >> options ixgbe RSS=8,8 AtrSampleRate=0,0 >> >> >> -- Хомюк Виктор Администратор веб-сервисов ЗАО "НГС" +7-913-787-79-29 ------------------------------------------------------------------------------ Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration & more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151&iu=/4140/ostg.clktrk _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
