linux-kernel - Re: [PATCH] rcu/torture: Improve badness extraction from console logs

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Message-ID: <CAEXW_YSukJ_SSvy731iF9WZ5N9cycHsfzdz+8MKA4Va+1+FW4A@mail.gmail.com>
Date:   Sat, 2 Sep 2023 20:10:13 -0400
From:   Joel Fernandes <joel@...lfernandes.org>
To:     paulmck@...nel.org
Cc:     linux-kernel@...r.kernel.org,
        Josh Triplett <josh@...htriplett.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
        Lai Jiangshan <jiangshanlai@...il.com>,
        Shuah Khan <shuah@...nel.org>, rcu@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: Re: [PATCH] rcu/torture: Improve badness extraction from console logs

On Sat, Sep 2, 2023 at 3:24 PM Paul E. McKenney <paulmck@...nel.org> wrote:
>
[...]
> > > Either way, what I don't want is many megabytes of splats from console.log
> > > duplicated into console.log.diags, especially in those (admittedly sad)
> > > cases where the console.log file is the largest file in the results
> > > directory.  Are you really going to be reading carefully after (say)
> > > the fifth splat?  ;-)
> >
> > I could limit it to just the first 5, with the existing unlimited
> > summary at the top.
>
> How about limiting the existing summary to (say) 10 lines?  I do not
> recall every caring about more than that.  The only reason that I did
> not ever limit it myself is that the summary is unlikely to be more than
> a few percent of the full console.log.
>
> > Let me know if that works or does not work for you. :-)
>
> I do believe that we might be converging.  ;-)

Ok, so 10 lines of summary (similar to existing), and 10 detailed
splats below that :-).  If that's not Ok, let me know. Otherwise I
will send the new patch soon. Thanks!

 - Joel