linux-kernel - Re: [PATCH 2/3] tracing: Use pr_crit() instead of long fancy messages

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Message-ID: <20210331094007.77aa5194@gandalf.local.home>
Date:   Wed, 31 Mar 2021 09:40:07 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Geert Uytterhoeven <geert+renesas@...der.be>
Cc:     Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>,
        Ingo Molnar <mingo@...hat.com>, Petr Mladek <pmladek@...e.com>,
        Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        John Ogness <john.ogness@...utronix.de>,
        Gary R Hook <gary.hook@....com>,
        Marco Elver <elver@...gle.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Vlastimil Babka <vbabka@...e.cz>,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        linux-embedded@...r.kernel.org
Subject: Re: [PATCH 2/3] tracing: Use pr_crit() instead of long fancy
 messages

On Wed, 31 Mar 2021 11:31:03 +0200
Geert Uytterhoeven <geert+renesas@...der.be> wrote:

> This reduces kernel size by ca. 0.5 KiB.

If you are worried about size, disable tracing and it will go away
entirely. 0.5KiB is a drop in the bucket compared to what tracing adds in
size overhead.

Sorry, but NAK.

This has been very successful in stopping people from adding trace_printk()
to the kernel, and I like to keep it that way.

-- Steve