Date: Tue, 1 Mar 2005 12:40:41 -0800
From: Paul Jackson <pj@sgi.com>
To: hadi@cyberus.ca
Cc: akpm@osdl.org, guillaume.thouvenin@bull.net, kaigai@ak.jp.nec.com,
       marcelo.tosatti@cyclades.com, davem@redhat.com, jlan@sgi.com,
       lse-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org,
       netdev@oss.sgi.com, elsa-devel@lists.sourceforge.net
Subject: Re: [Lse-tech] Re: A common layer for Accounting packages
Message-Id: <20050301124041.2403d641.pj@sgi.com>
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Jamal wrote:
> What was wrong with just going ahead and just always
> invoking your netlink_send()? 

I think the hope was to reduce the cost of the accounting hook in fork
to "next-to-zero" if accounting is not being used on that system.

See Andrew's query earlier:
> b) they are next-to-zero cost if something is listening on the netlink
>    socket but no accounting daemon is running.

Presumably sending an ignored packet costs something, quite possibly
more than "next-to-zero".

-- 
                  I won't rest till it's the best ...
                  Programmer, Linux Scalability
                  Paul Jackson <pj@sgi.com> 1.650.933.1373, 1.925.600.0401
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