linux-kernel - Re: [PATCH v6 7/8] dynamic_debug: add asm-generic implementation for DYNAMIC_DEBUG_RELATIVE

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Date:   Thu, 27 Jun 2019 01:52:21 +0200
From:   Rasmus Villemoes <linux@...musvillemoes.dk>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Jason Baron <jbaron@...mai.com>,
        Nathan Chancellor <natechancellor@...il.com>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v6 7/8] dynamic_debug: add asm-generic implementation for
 DYNAMIC_DEBUG_RELATIVE_POINTERS

On 27/06/2019 01.16, Nick Desaulniers wrote:
> On Tue, Jun 25, 2019 at 3:18 PM Nick Desaulniers
> <ndesaulniers@...gle.com> wrote:
> 
> The prints should show up in dmesg right, assuming you do something to
> trigger them?  Can you provide more details for a test case that's
> easy to trip? What's an easy case to reproduce from a limited
> buildroot env (basic shell/toybox)?
> 

Hm, I seemed to remember that those kobject events triggered all the
time. Oh well, try this one:

echo 'file ping.c +p' > control
ping localhost
dmesg | grep ping

Rasmus