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Message-ID: <1452100190.24575.35.camel@perches.com>
Subject: Re: [PATCH 0/2] printk, Add a printk.clock kernel parameter
From: Joe Perches <joe@perches.com>
To: Prarit Bhargava <prarit@redhat.com>, linux-kernel@vger.kernel.org
Cc: John Stultz <john.stultz@linaro.org>, Xunlei Pang <pang.xunlei@linaro.org>,
        Thomas Gleixner <tglx@linutronix.de>,
        Baolin Wang <baolin.wang@linaro.org>,
        Andrew Morton <akpm@linux-foundation.org>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Petr Mladek <pmladek@suse.cz>, Tejun Heo <tj@kernel.org>,
        Peter Hurley <peter@hurleysoftware.com>,
        Vasily Averin <vvs@virtuozzo.com>
Date: Wed, 06 Jan 2016 09:09:50 -0800
In-Reply-To: <1452085234-10667-1-git-send-email-prarit@redhat.com>
References: <1452085234-10667-1-git-send-email-prarit@redhat.com>
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On Wed, 2016-01-06 at 08:00 -0500, Prarit Bhargava wrote:
> Over the past years I've seen many reports of bugs that include
> time-stamped kernel logs (enabled when CONFIG_PRINTK_TIME=y or
> print.time=1 is specified as a kernel parameter) that do not align
> with either external time stamped logs or /var/log/messages.
[]
> This patch introduces printk.clock=[local|boot|real|tai] allowing a
> user to specify an adjusted clock to use with printk timestamps.  The
> hardware clock, or the existing functionality, is preserved by default.

printk.c is already way too large.

Perhaps it would be reasonable to create a new
kernel/printk/timestamp.c file with these changes.