linux-kernel - Re: [PATCH v6 1/2] scanf: convert self-test to KUnit

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Message-ID: <Z6s_VHExZe7ArgO7@smile.fi.intel.com>
Date: Tue, 11 Feb 2025 14:15:16 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Tamir Duberstein <tamird@...il.com>
Cc: Petr Mladek <pmladek@...e.com>, David Gow <davidgow@...gle.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	Sergey Senozhatsky <senozhatsky@...omium.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Shuah Khan <shuah@...nel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org
Subject: Re: [PATCH v6 1/2] scanf: convert self-test to KUnit

On Tue, Feb 11, 2025 at 06:45:07AM -0500, Tamir Duberstein wrote:
> On Tue, Feb 11, 2025 at 6:37 AM Petr Mladek <pmladek@...e.com> wrote:
> > On Mon 2025-02-10 13:13:48, Tamir Duberstein wrote:

> > > +     kunit_printk(KERN_DEBUG, test, "\"%s\", \"%s\" ->", str, fmt);  \
> >
> > The switch from pr_debug() to kunit_printk() causes printing huge
> > amount of messages even when the test passes.
> 
> I'm not able to reproduce this. pr_debug expands to printk(KERN_DEBUG,
> ...) which is also what kunit_printk(KERN_DEBUG, ...) expands to. Can
> you help me understand how you're testing?

You are missing something.
https://stackoverflow.com/a/57762255/2511795

-- 
With Best Regards,
Andy Shevchenko