linux-kernel - Re: linus-next: improving functional testing for to-be-merged pull requests

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Message-ID: <cb2af1b4-5ce0-4e91-9456-1c88f4eef4fc@paulmck-laptop>
Date: Wed, 30 Oct 2024 10:32:56 -0700
From: "Paul E. McKenney" <paulmck@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: Christoph Hellwig <hch@...radead.org>, Kees Cook <kees@...nel.org>,
	torvalds@...ux-foundation.org, ksummit@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: linus-next: improving functional testing for to-be-merged pull
 requests

On Wed, Oct 30, 2024 at 01:15:39PM -0400, Sasha Levin wrote:
> On Wed, Oct 30, 2024 at 10:08:57AM -0700, Paul E. McKenney wrote:
> > On Mon, Oct 28, 2024 at 06:46:19PM -0400, Sasha Levin wrote:
> > > On Mon, Oct 21, 2024 at 11:48:34PM -0700, Christoph Hellwig wrote:
> > > > On Mon, Oct 21, 2024 at 09:54:53PM -0700, Kees Cook wrote:
> > > > > For example, for a given PR, the bot can report:
> > > > >
> > > > > - Were the patches CCed to a mailing list?
> > > > > - A histogram of how long the patches were in next (to show bake times)
> > > > > - Are any patches associated with test failures? (0day and many other
> > > > > CIs are already running tests against -next; parse those reports)
> > > > >
> > > > > We could have a real pre-submit checker! :)
> > > >
> > > > That would be very useful.  Items 1 and 2 should be trivial, 3 would
> > > > require a bit of work but would still be very useful.
> > > 
> > > If you've been following so far, there is a bot that is capable of doing
> > > most of the above
> > > (https://git.kernel.org/pub/scm/linux/kernel/git/sashal/next-analysis.git/).
> > 
> > Nice!!!
> > 
> > What does this make of these commits of mine?
> > 
> > 744e87210b1ae rcu: Finer-grained grace-period-end checks in rcu_dump_cpu_stacks()
> > cbe644aa6fe17 rcu: Stop stall warning from dumping stacks if grace period ends
> > 26ff1fb02991e rcu: Delete unused rcu_gp_might_be_stalled() function
> 
> Days in linux-next:
> ----------------------------------------
>  1 |
>  2 |
>  3 |
>  4 |
>  5 |
>  6 | +++ (3)

Very good!

Any indications of errors for any of them?

							Thanx, Paul