----- 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?
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?
Regards
Steve
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