Re: [PATCH v3 0/4] Add binder state and statistics to binderfs

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On Wed, Sep 4, 2019 at 8:12 AM Christian Brauner
<christian.brauner@xxxxxxxxxx> wrote:
>
> On Wed, Sep 04, 2019 at 04:49:03PM +0200, Greg Kroah-Hartman wrote:
> > On Wed, Sep 04, 2019 at 10:20:32AM -0400, Joel Fernandes wrote:
> > > On September 4, 2019 7:19:35 AM EDT, Christian Brauner
> > > <christian.brauner@xxxxxxxxxx> wrote:
> > > >On Tue, Sep 03, 2019 at 09:16:51AM -0700, Hridya Valsaraju wrote:
> > > >> Currently, the only way to access binder state and
> > > >> statistics is through debugfs. We need a way to
> > > >> access the same even when debugfs is not mounted.
> > > >> These patches add a mount option to make this
> > > >> information available in binderfs without affecting
> > > >> its presence in debugfs. The following debugfs nodes
> > > >> will be made available in a binderfs instance when
> > > >> mounted with the mount option 'stats=global' or 'stats=local'.
> > > >>
> > > >>  /sys/kernel/debug/binder/failed_transaction_log
> > > >>  /sys/kernel/debug/binder/proc
> > > >>  /sys/kernel/debug/binder/state
> > > >>  /sys/kernel/debug/binder/stats
> > > >>  /sys/kernel/debug/binder/transaction_log
> > > >>  /sys/kernel/debug/binder/transactions
> > > >
> > > >Acked-by: Christian Brauner <christian.brauner@xxxxxxxxxx>
> > > >
> > > >Btw, I think your counting is off-by-one. :) We usually count the
> > > >initial send of a series as 0 and the first rework of that series as
> > > >v1.
> > > >I think you counted your initial send as v1 and the first rework as v2.
> > >
> > > Which is fine. I have done it both ways. Is this a rule written somewhere?
> >
> > No where, I can count both ways, it's not a big deal :)
>
> It isn't documented (as many things we still do are) and it's not a big
> deal. But most people seem to be counting revisions starting from 0 it
> seems. I went looking for previous version to link to in the patch cover
> letter and was confused because I was missing a v1. :)
>
> Anyway, I'm happy that Hridya landed this! It was fun helping her the
> last couple of weeks on- and off-list. Thanks for getting this done! I
> hope we'll see even more patches in the future. :)

Thank you so much Christian and Todd for the guidance and thorough
reviews on the many patches I sent your way both on and off-list :) I
really appreciate it!

>
> Christian
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