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From: Thomas Gleixner <tglx@linutronix.de>
To: Petr Mladek <pmladek@suse.com>
Cc: Prarit Bhargava <prarit@redhat.com>,
	linux-kernel@vger.kernel.org,
	John Stultz <john.stultz@linaro.org>,
	Xunlei Pang <pang.xunlei@linaro.org>,
	Baolin Wang <baolin.wang@linaro.org>,
	Andrew Morton <akpm@linux-foundation.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	Tejun Heo <tj@kernel.org>,
	Peter Hurley <peter@hurleysoftware.com>,
	Vasily Averin <vvs@virtuozzo.com>, Joe Perches <joe@perches.com>
Subject: Re: [PATCH 2/2] printk, Add printk.clock kernel parameter
Date: Fri, 8 Jan 2016 10:04:44 +0100 (CET)	[thread overview]
Message-ID: <alpine.DEB.2.11.1601080956330.3575@nanos> (raw)
In-Reply-To: <20160107155236.GO3178@pathway.suse.cz>

On Thu, 7 Jan 2016, Petr Mladek wrote:
> On Thu 2016-01-07 10:38:37, Prarit Bhargava wrote:
> > Heh :)  I didn't even think of testing that.  I'll have to think about that a
> > bit more.  systemd logging must assume boot time/local time.  I'll ping those
> > guys with a patch if/when the next version of this gets accepted.
> 
> I am not sure how many tools would be affected by this.

I don't see a point in a gazillion of different clocks for printk either.

> An easier solution would be to normalize all times and always save the
> relative time since the boot as it is done now.

Why? What's wrong with simply using the existing ktime_get_mono_fast_ns()
instead of local_clock() and be done with it?

Thanks,

	tglx

  reply	other threads:[~2016-01-08  9:05 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-06 13:00 [PATCH 0/2] printk, Add a " Prarit Bhargava
2016-01-06 13:00 ` [PATCH 1/2] kernel, timekeeping, add trylock option to ktime_get_with_offset() Prarit Bhargava
2016-01-06 16:04   ` Jiri Bohac
2016-01-06 16:27     ` Prarit Bhargava
2016-01-06 16:25   ` Petr Mladek
2016-01-06 17:28   ` John Stultz
2016-01-06 17:33     ` John Stultz
2016-01-06 18:06       ` Prarit Bhargava
2016-01-06 18:10         ` Thomas Gleixner
2016-01-06 17:34     ` Thomas Gleixner
2016-01-06 18:09       ` Prarit Bhargava
2016-01-06 18:12         ` Thomas Gleixner
2016-01-06 19:04       ` John Stultz
2016-01-06 19:06         ` Prarit Bhargava
2016-01-06 13:00 ` [PATCH 2/2] printk, Add printk.clock kernel parameter Prarit Bhargava
2016-01-07 14:57   ` Petr Mladek
2016-01-07 15:38     ` Prarit Bhargava
2016-01-07 15:52       ` Petr Mladek
2016-01-08  9:04         ` Thomas Gleixner [this message]
2016-01-06 17:09 ` [PATCH 0/2] printk, Add a " Joe Perches
2016-01-13 12:34 [PATCH 0/2] printk, Add printk.clock kernel parameter [v2] Prarit Bhargava
2016-01-13 12:34 ` [PATCH 2/2] printk, Add printk.clock kernel parameter Prarit Bhargava

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