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From: bert hubert <bert.hubert@netherlabs.nl>
To: Bill Huey <billh@gnuppy.monkey.org>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/4] lock stat for 2.6.19-rt1
Date: Mon, 4 Dec 2006 13:21:29 +0100	[thread overview]
Message-ID: <20061204122129.GA2626@outpost.ds9a.nl> (raw)
In-Reply-To: <20061204015323.GA28519@gnuppy.monkey.org>

On Sun, Dec 03, 2006 at 05:53:23PM -0800, Bill Huey wrote:

> [8264, 996648, 0]		{inode_init_once, fs/inode.c, 196}
> [8552, 996648, 0]		{inode_init_once, fs/inode.c, 193}

Impressive, Bill!

How tightly is your work bound to -rt? Iow, any chance of separating the
two? Or should we even want to?

> The first column is the number of the times that object was contented against.
> The second is the number of times this lock object was initialized. The third
> is the annotation scheme that directly attaches the lock object (spinlock,
> etc..) in line with the function initializer to avoid the binary tree lookup.

I don't entirely get the third item, can you elaborate a bit?

Do you have a feeling of the runtime overhead?

Thanks.

-- 
http://www.PowerDNS.com      Open source, database driven DNS Software 
http://netherlabs.nl              Open and Closed source services

  reply	other threads:[~2006-12-04 12:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-04  1:53 [PATCH 0/4] lock stat for 2.6.19-rt1 Bill Huey
2006-12-04 12:21 ` bert hubert [this message]
2006-12-04 17:08   ` Bill Huey
2006-12-04 23:57     ` Bill Huey

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