Re: What is eth"X"-Q0?

From: David Miller
Date: Wed Oct 14 2009 - 15:56:50 EST


From: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Date: Wed, 14 Oct 2009 13:44:16 -0400 (EDT)

> On my new system, cat /proc/interrupts:
>
> 36: 0 3055 2757 1086 1208446 25588 726447 1028280 PCI-MSI-edge eth2-Q0
> 37: 0 0 0 0 0 0 3 0 PCI-MSI-edge eth2
> 38: 0 103124 0 0 784 14511559 6936870 15972334 PCI-MSI-edge eth1-Q0
> 39: 0 0 0 0 2 0 0 0 PCI-MSI-edge eth1
>
> What does the "-Q0" stand for, is this because the device was renamed?

It's for multiqueue.

Every queue in a multiqueue capable networking device will get a
different "ethX-QN" name for each queue's interrupt.
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