Re: locking hierarchy based on lockdep

From: Ingo Molnar
Date: Mon Nov 06 2006 - 15:08:00 EST



* Jason Baron <jbaron@xxxxxxxxxx> wrote:

> I've implemented this as a /proc file, but Ingo suggested that it
> might be better for us to simply produce an adjaceny list, and then
> generate a locking hierarchy or anything else of interest off of that
> list.... [...]

this would certainly be the simplest thing to do - we could extend
/proc/lockdep with the list of 'immediately after' locks separated by
commas. (that list already exists: it's the lock_class.locks_after list)

i like your idea of using lockdep to document locking hierarchies.

Ingo
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