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Date:	Thu, 15 Apr 2010 10:50:24 +0800
From:	Changli Gao <xiaosuo@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Stephen Hemminger <shemminger@...tta.com>,
	Tom Herbert <therbert@...gle.com>, hadi@...erus.ca,
	netdev@...r.kernel.org, robert@...julf.net,
	David Miller <davem@...emloft.net>,
	Andi Kleen <andi@...stfloor.org>
Subject: Re: rps perfomance WAS(Re: rps: question

On Thu, Apr 15, 2010 at 10:40 AM, Eric Dumazet <eric.dumazet@...il.com> wrote:
>
> Agree 100%, and irqbalance is the existing daemon. It should be used and
> changed if necessary.
>
> Changli, my stronges argument about your patches is that our scheduler
> and memory affinity api (numactl driven) is bitmask oriented, giving the
> same weight to individual cpu or individual memory node.
>

It works with the assumption: the workloads handled in non-schedulable
context are less than the others. If most of work is done in
non-schedulable(softirq) context, scheduler can't keep load balance.


-- 
Regards´╝î
Changli Gao(xiaosuo@...il.com)
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