From: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
To: Mark Brown <broonie@kernel.org>
Cc: ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [TECH TOPIC] printk redesign
Date: Wed, 21 Jun 2017 00:58:25 +0900 [thread overview]
Message-ID: <20170620155825.GC409@tigerII.localdomain> (raw)
In-Reply-To: <20170619162317.4nxx6jsvuzvdtasz@sirena.org.uk>
On (06/19/17 17:23), Mark Brown wrote:
> On Mon, Jun 19, 2017 at 05:54:34PM +0200, Hannes Reinecke wrote:
>
> > I was under the impression that we do this anyway; even ATM every line
> > in the printk buffer is prefixed with a timestamp.
> > And we should continue with that.
>
> This is a configuration option (PRINTK_TIME) and isn't 100% reliable,
> I've got examples in the syslog of my current system with multiple
> prints being issued with the same timestamp.
yes, as far as I know, timestamps are not in complete sync between CPUs.
-ss
next prev parent reply other threads:[~2017-06-20 15:59 UTC|newest]
Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-06-19 5:21 [Ksummit-discuss] [TECH TOPIC] printk redesign Sergey Senozhatsky
2017-06-19 6:22 ` Hannes Reinecke
2017-06-19 14:39 ` Steven Rostedt
2017-06-19 15:20 ` Andrew Lunn
2017-06-19 15:54 ` Hannes Reinecke
2017-06-19 16:17 ` Andrew Lunn
2017-06-19 16:23 ` Mark Brown
2017-06-20 15:58 ` Sergey Senozhatsky [this message]
2017-06-20 16:44 ` Luck, Tony
2017-06-20 17:11 ` Sergey Senozhatsky
2017-06-20 17:27 ` Mark Brown
2017-06-20 23:28 ` Steven Rostedt
2017-06-21 7:17 ` Hannes Reinecke
2017-06-21 11:12 ` Sergey Senozhatsky
2017-06-22 14:06 ` Steven Rostedt
2017-06-23 5:43 ` Sergey Senozhatsky
2017-06-23 13:09 ` Steven Rostedt
2017-06-21 12:23 ` Petr Mladek
2017-06-21 14:18 ` Andrew Lunn
2017-06-23 8:46 ` Petr Mladek
2017-06-21 16:09 ` Andrew Lunn
2017-06-23 8:49 ` Petr Mladek
2017-07-19 7:35 ` David Woodhouse
2017-07-20 7:53 ` Sergey Senozhatsky
2017-06-20 16:09 ` Sergey Senozhatsky
2017-06-19 16:26 ` Steven Rostedt
2017-06-19 16:35 ` Andrew Lunn
2017-06-24 11:14 ` Mauro Carvalho Chehab
2017-06-24 14:06 ` Andrew Lunn
2017-06-24 22:42 ` Steven Rostedt
2017-06-24 23:21 ` Andrew Lunn
2017-06-24 23:26 ` Linus Torvalds
2017-06-24 23:40 ` Steven Rostedt
2017-06-26 11:16 ` Sergey Senozhatsky
2017-06-24 23:48 ` Al Viro
2017-06-25 1:29 ` Andrew Lunn
2017-06-25 2:41 ` Linus Torvalds
2017-06-26 8:46 ` Jiri Kosina
2017-07-19 7:59 ` David Woodhouse
2017-06-20 15:56 ` Sergey Senozhatsky
2017-06-20 18:45 ` Daniel Vetter
2017-06-21 9:29 ` Petr Mladek
2017-06-21 10:15 ` Sergey Senozhatsky
2017-06-22 13:42 ` Daniel Vetter
2017-06-22 13:48 ` Daniel Vetter
2017-06-22 13:48 ` Daniel Vetter
2017-06-23 9:07 ` Bartlomiej Zolnierkiewicz
2017-06-23 9:07 ` Bartlomiej Zolnierkiewicz
2017-06-27 13:06 ` Sergey Senozhatsky
2017-06-27 13:06 ` Sergey Senozhatsky
2017-06-23 5:20 ` Sergey Senozhatsky
2017-06-19 23:46 ` Josh Triplett
2017-06-20 8:24 ` Arnd Bergmann
2017-06-20 14:36 ` Steven Rostedt
2017-06-20 15:26 ` Sergey Senozhatsky
2017-06-22 16:35 ` David Howells
2017-07-19 6:24 ` Sergey Senozhatsky
2017-07-19 6:25 ` Sergey Senozhatsky
2017-07-19 7:26 ` Daniel Vetter
2017-07-20 5:19 ` Sergey Senozhatsky
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