W dniu 2014-04-25 14:55, Steven Hartland pisze: > ----- Original Message ----- From: "Marek Salwerowicz" <marek_...@wp.pl> > > >> W dniu 2014-04-25 14:01, Gerrit Kühn pisze: >>> Thanks for your input. As far as I understood so far, there should >>> be one >>> igb queue created per cpu core in the system by default (and this is >>> what >>> I see on my system). But my irq rate looks quite high to me (and it is >>> only on one of these queues). >> >> >> My CPU has 8 cores: >> >> http://ark.intel.com/products/75267/Intel-Xeon-Processor-E5-2640-v2-20M-Cache-2_00-GHz >> >> >> So why do I have only 1 queue ? > > What does "sysctl hw.igb.num_queues" report?
storage1% sysctl hw.igb.num_queues hw.igb.num_queues: 1 > > num_queues does default to 1 for Legacy or MSI so you might be hitting > that. > > Do you see "Using MSIX interrupts with" in your dmesg? storage% dmesg | grep MSIX igb0: Using MSIX interrupts with 2 vectors igb1: Using MSIX interrupts with 2 vectors igb2: Using MSIX interrupts with 2 vectors igb3: Using MSIX interrupts with 2 vectors igb0: Using MSIX interrupts with 2 vectors igb1: Using MSIX interrupts with 2 vectors igb2: Using MSIX interrupts with 2 vectors igb3: Using MSIX interrupts with 2 vectors -- Marek _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
