Re: [PATCH] Btrfs-progs: tool to visualize fragmentation

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On Mon, 28 Nov 2011 17:12:30 +0100
Arne Jansen <sensille@xxxxxxx> wrote:

> This tool draws per-chunk pngs representing the allocation map. A black
> or colored dot means the block is allocated.
> The output is written to a subdirectory, together with an index.html to be
> viewed in a browser.
> There are options to control whether color should be used and which block
> group types should be printed.
> To build, you need to have libpng and libgd installed. It is not part of
> the 'all' target, so please build it explicitely with make btrfs-fragments.

Real-world FS on which 400GB of 600 is filled (~600 images all taking ~1.1MB).

    https://slyfox.ath.cx/btrfs/2012-02-02-html-fragments/index.html

Nice tool!

-- 

  Sergei

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