Re: [PATCH RFC v6 00/21] DEPT(Dependency Tracker)

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On Wed, May 4, 2022 at 1:19 AM Byungchul Park <byungchul.park@xxxxxxx> wrote:
>
> Hi Linus and folks,
>
> I've been developing a tool for detecting deadlock possibilities by
> tracking wait/event rather than lock(?) acquisition order to try to
> cover all synchonization machanisms.

So what is the actual status of reports these days?

Last time I looked at some reports, it gave a lot of false positives
due to mis-understanding prepare_to_sleep().

For this all to make sense, it would need to not have false positives
(or at least a very small number of them together with a way to sanely
get rid of them), and also have a track record of finding things that
lockdep doesn't.

Maybe such reports have been sent out with the current situation, and
I haven't seen them.

                 Linus



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