[dm-devel] how to trace the device mapper?

[Alan D. Brunelle]

Jui-Pin Yang wrote:

>Hi,
>I would like to trace the device mapper, and any good suggestion to do the
>job
>is welcome such as how to start and so on.
>Thanks
>  
>
If you are looking for interactions with the underlying block I/O layer 
interfaces, you could look into blktrace.

Alan D. Brunelle
HP

>Best Regards
>
>Jui-Pin Yang
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