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From: Arnd Bergmann <arnd@arndb.de>
To: "Jared Hulbert" <jaredeh@gmail.com>
Cc: nickpiggin@yahoo.com.au, linux-embedded@vger.kernel.org,
	carsteno@de.ibm.com, "Jörn Engel" <joern@logfs.org>,
	Linux-kernel@vger.kernel.org,
	linux-mtd <linux-mtd@lists.infradead.org>,
	tim.bird@am.sony.com, "David Woodhouse" <dwmw2@infradead.org>
Subject: Re: [PATCH 05/10] AXFS: axfs_profiling.c
Date: Fri, 22 Aug 2008 22:37:19 +0200	[thread overview]
Message-ID: <200808222237.20346.arnd@arndb.de> (raw)
In-Reply-To: <6934efce0808210755n1977e085o63b8b91e84575dc9@mail.gmail.com>

On Thursday 21 August 2008, Jared Hulbert wrote:
> 1) same mount point -
> I don't see how this works without an ioctl.  I can't just make up
> files in my mounted filesystem.   You expect the mounted version to
> match input to the mkfs.  I'd not be happy with an ioctl.  You can
> just read it.
> 
> 2) sysfs -
> I agree with Carsten, I don't see how this fits in the sysfs hierarchy.
> 
> 3) debugfs -
> I don't know diddly about this.

Ok, so now yet another suggestion, which may sound a little strange:

oprofilefs

I believe you can use the oprofile infrastructure to record data
about file accesses, even independent of the file system you
are looking at.

It's probably a lot of work to get it right, but I would be worth it.

	Arnd <><

  parent reply	other threads:[~2008-08-22 20:37 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-21  5:45 [PATCH 05/10] AXFS: axfs_profiling.c Jared Hulbert
2008-08-21  8:44 ` Carsten Otte
2008-08-21  8:49   ` David Woodhouse
2008-08-21 10:20     ` Carsten Otte
2008-08-21 11:39     ` Arnd Bergmann
2008-08-21 14:55       ` Jared Hulbert
2008-08-21 15:06         ` Arnd Bergmann
2008-08-21 15:17           ` Jared Hulbert
2008-08-21 15:50             ` Arnd Bergmann
2008-08-22  7:26             ` Carsten Otte
2008-08-21 15:18           ` Geert Uytterhoeven
2008-08-22 20:37         ` Arnd Bergmann [this message]
     [not found] ` <200808221840.39206.arnd@arndb.de>
     [not found]   ` <6934efce0808221037u4548dd00q9ccd67545bfbcc8@mail.gmail.com>
2008-08-22 19:38     ` Arnd Bergmann

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