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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
Date: Tue, 1 Mar 2005 12:40:41 -0800	[thread overview]
Message-ID: <20050301124041.2403d641.pj@sgi.com> (raw)
In-Reply-To: <1109592658.2188.924.camel@jzny.localdomain>

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

  parent reply	other threads:[~2005-03-01 20:51 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-02-19  0:51 A common layer for Accounting packages Jay Lan
2005-02-19  1:16 ` Andrew Morton
2005-02-21  6:51   ` Guillaume Thouvenin
2005-02-22 20:11     ` [Lse-tech] " Jay Lan
2005-02-23  7:30       ` Guillaume Thouvenin
2005-02-21  7:54   ` Kaigai Kohei
2005-02-22 20:26     ` Jay Lan
2005-02-23  7:07       ` Kaigai Kohei
2005-02-23  7:20         ` Andrew Morton
2005-02-23  8:33           ` Guillaume Thouvenin
2005-02-23  8:51             ` Andrew Morton
2005-02-23  9:30               ` Guillaume Thouvenin
2005-02-23  9:36                 ` Andrew Morton
2005-02-23 19:11             ` Jay Lan
2005-02-24  7:42               ` Guillaume Thouvenin
2005-02-23  9:50           ` Tim Schmielau
2005-02-24 22:27             ` Jay Lan
2005-02-23 11:29           ` Kaigai Kohei
2005-02-23 20:48         ` Jay Lan
2005-02-25  5:07           ` Kaigai Kohei
2005-02-25  5:28             ` Andrew Morton
2005-02-25 17:32               ` Jay Lan
2005-02-25 17:45                 ` Chris Wright
2005-02-25 18:11                   ` Jay Lan
2005-02-25 21:30                 ` Andrew Morton
2005-02-25 22:18                   ` Jay Lan
2005-02-27  9:49               ` Marcelo Tosatti
2005-02-27 15:20                 ` KaiGai Kohei
2005-02-27 14:03                   ` Marcelo Tosatti
2005-02-27 19:27                     ` David S. Miller
2005-02-28  1:59                     ` Kaigai Kohei
2005-02-28  2:32                       ` Thomas Graf
2005-02-28  5:17                       ` Evgeniy Polyakov
2005-02-28  7:20                       ` Guillaume Thouvenin
2005-02-28  7:39                         ` Andrew Morton
2005-02-28  8:04                           ` Evgeniy Polyakov
2005-02-28 12:10                           ` jamal
2005-02-28  9:29                             ` Marcelo Tosatti
2005-02-28 13:20                             ` Thomas Graf
2005-02-28 13:40                               ` jamal
2005-02-28 13:53                                 ` Thomas Graf
2005-02-28  9:52                                   ` Marcelo Tosatti
2005-02-28 14:10                                   ` jamal
2005-02-28 14:25                                     ` Thomas Graf
2005-02-28 15:31                                       ` jamal
2005-02-28 16:17                                         ` Evgeniy Polyakov
2005-03-01  8:21                                           ` Guillaume Thouvenin
2005-03-01 13:38                                             ` Kaigai Kohei
2005-03-01 13:53                                               ` Guillaume Thouvenin
2005-03-01 14:17                                                 ` Evgeniy Polyakov
2005-03-02  4:50                                               ` Paul Jackson
2005-03-02  8:58                                               ` Guillaume Thouvenin
2005-03-02  9:06                                                 ` Andrew Morton
2005-03-02  9:25                                                   ` Guillaume Thouvenin
2005-03-02 15:30                                                   ` Paul Jackson
2005-03-01 20:40                             ` Paul Jackson [this message]
2005-02-24  1:25         ` Paul Jackson
2005-02-24  1:56           ` Jay Lan
2005-02-24  2:07             ` Paul Jackson

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