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Re: *CLOSED* softirq stats for a VE [message #10837 is a reply to message #10833] Mon, 05 March 2007 15:50 Go to previous messageGo to previous message
dev is currently offline  dev
Messages: 1693
Registered: September 2005
Location: Moscow
Senior Member
No, this patch doesn't help. It's just make accounting more accurate (i.e. improves precision of accounting).

Look, the problem is the following. Imagine that someone
does a network flood at your host.
It takes a significant CPU time to determine to which VE (if any at all) these packets are going to. And this time is not accounted to the VE. That's the problem. The same for IRQ. IRQ doesn't know anything about whom it is reading packets for. So IRQ time can not be accounted to the VE.

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