netdev - Re: rps perfomance WAS(Re: rps: question

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Date:	Thu, 15 Apr 2010 01:51:17 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	eric.dumazet@...il.com
Cc:	shemminger@...tta.com, hadi@...erus.ca, therbert@...gle.com,
	netdev@...r.kernel.org, robert@...julf.net, xiaosuo@...il.com,
	andi@...stfloor.org
Subject: Re: rps perfomance WAS(Re: rps: question

From: Eric Dumazet <eric.dumazet@...il.com>
Date: Wed, 14 Apr 2010 21:58:50 +0200

> Every time we change RPS to be on or off, we might have some extra
> noise. Maybe we already have this problem with irqbalance ?

irqbalance should never move network device interrupts around
under normal circumstances.  Arjan assured me that there is
specific logic in the irqbalance daemon to not move NIC
interrupts around once a target has been choosen.

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