Re: [PATCH 05/10] AXFS: axfs_profiling.c

[Arnd Bergmann]

On Thursday 21 August 2008, Jared Hulbert wrote:
> 1) same mount point -
> I don't see how this works without an ioctl. ÂI can't just make up
> files in my mounted filesystem. Â You expect the mounted version to
> match input to the mkfs. ÂI'd not be happy with an ioctl. ÂYou 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 <><
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