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From: Steven Rostedt <rostedt@goodmis.org>
To: Andrew Lunn <andrew@lunn.ch>
Cc: ksummit-discuss@lists.linuxfoundation.org
Subject: Re: [Ksummit-discuss] [TECH TOPIC] printk redesign
Date: Mon, 19 Jun 2017 12:26:51 -0400	[thread overview]
Message-ID: <20170619122651.57ba27c4@gandalf.local.home> (raw)
In-Reply-To: <20170619152055.GM3786@lunn.ch>

On Mon, 19 Jun 2017 17:20:55 +0200
Andrew Lunn <andrew@lunn.ch> wrote:


> > 4) All other kernel information that's not critical at all, and perhaps
> > doesn't even need to be serialized. At least, not against the above.
> > This could be cached, and outputted at a later time than when the
> > printk() was called.  
> 
> Developers machine probably have different requirements to production
> machines. When debugging during code development, i want the debug
> output to be in the correct order, independent of the level. If you
> are going to cause reordering, you might want to add a sequence number
> to each output, so it is possible to put it back into the correct
> order. And it needs to be clear when output is out of order.

Perhaps a kernel command line option could force this.

-- Steve

  parent reply	other threads:[~2017-06-19 16:26 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
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 [this message]
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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