netdev - Re: [PATCH 5/5] sfc: Implement adaptive IRQ moderation

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Message-Id: <20090321.191007.67420942.davem@davemloft.net>
Date:	Sat, 21 Mar 2009 19:10:07 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	netdev@...r.kernel.org, linux-net-drivers@...arflare.com
Subject: Re: [PATCH 5/5] sfc: Implement adaptive IRQ moderation

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Fri, 20 Mar 2009 23:30:37 +0000

> Calculate a score for each 1000 IRQs:
> - TX completions are worth 1 point
> - RX completions are worth 4 if merged using LRO or 2 otherwise
> 
> Reduce moderation if the score is less than 10000, down to a minimum
> of 5 us.  Increase moderation if the score is more than 20000, up to
> the specified maximum.
> 
> Signed-off-by: Ben Hutchings <bhutchings@...arflare.com>

Applied.
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