From mboxrd@z Thu Jan  1 00:00:00 1970
From: Steven Rostedt <rostedt@goodmis.org>
Subject: Re: [PATCH 00/50] Add log level to show_stack()
Date: Wed, 13 Nov 2019 10:41:21 -0500
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To: Peter Zijlstra <peterz@infradead.org>
Cc: Juri Lelli <juri.lelli@redhat.com>, linux-sh@vger.kernel.org, Catalin Marinas <catalin.marinas@arm.com>, Ben Segall <bsegall@google.com>, Guo Ren <guoren@kernel.org>, Pavel Machek <pavel@ucw.cz>, Vincent Guittot <vincent.guittot@linaro.org>, Paul Burton <paulburton@kernel.org>, Dmitry Safonov <dima@arista.com>, Michael Ellerman <mpe@ellerman.id.au>, Geert Uytterhoeven <geert@linux-m68k.org>, Mel Gorman <mgorman@suse.de>, Jiri Slaby <jslaby@suse.com>, Matt Turner <mattst88@gmail.com>, uclinux-h8-devel@lists.sourceforge.jp, Len Brown <len.brown@intel.com>, linux-pm@vger.kernel.org, Heiko Carstens <heiko.carstens@de.ibm.com>, linux-um@lists.infradead.org, Thomas Gleixner <tglx@linutronix.de>, Dietmar Eggemann <dietmar.eggemann@arm.com>, Richard Henderson <rth@twiddle.net>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, "Rafael J. Wysocki" <rjw@rjwysocki.net>, linux-kerne

On Wed, 6 Nov 2019 21:34:40 +0100
Peter Zijlstra <peterz@infradead.org> wrote:

> I suppose I'm surprised there are backtraces that are not important.
> Either badness happened and it needs printing, or the user asked for it
> and it needs printing.

Unfortunately that is the case. As my tests will fail if a backtrace is
detected.

> 
> Perhaps we should be removing backtraces if they're not important
> instead of allowing to print them as lower loglevels?

I usually end up removing backtraces for my tests, so I'm for this.
Specifically this happens in the drm and i915 drivers :-p

-- Steve