linux-kernel - Re: [PATCH] Introduce block I/O performance histograms

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Message-ID: <455CC38A.20104@google.com>
Date:	Thu, 16 Nov 2006 12:01:14 -0800
From:	Edward Falk <efalk@...gle.com>
To:	Jens Axboe <jens.axboe@...cle.com>
CC:	linux-kernel@...r.kernel.org, Andrew Morton <akpm@...l.org>
Subject: Re: [PATCH] Introduce block I/O performance histograms

Jens Axboe wrote:

> I don't see the point at all for including this piece of code in the
> kernel. You can do the same from user space. Your help entry said it
> even grows the kernel size about 21k, that's pretty nasty.

How would you do this from user space?  Also, the 21k increase is only 
in effect if the feature is turned on in the config, and it's off by 
default.

	-ed falk
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