From: Andrew Morton <akpm@linux-foundation.org>
To: Joe Perches <joe@perches.com>
Cc: Kay Sievers <kay@vrfy.org>,
Linus Torvalds <torvalds@linux-foundation.org>,
linux-arm-kernel@lists.infradead.org,
linux-btrfs@vger.kernel.org, linux-kernel@vger.kernel.org,
devel@driverdev.osuosl.org, alsa-devel@alsa-project.org
Subject: Re: [PATCH 0/8] Rework KERN_<LEVEL>
Date: Tue, 5 Jun 2012 16:58:08 -0700 [thread overview]
Message-ID: <20120605165808.cd255b93.akpm@linux-foundation.org> (raw)
In-Reply-To: <1338940345.11962.9.camel@joe2Laptop>
On Tue, 05 Jun 2012 16:52:25 -0700
Joe Perches <joe@perches.com> wrote:
> On Wed, 2012-06-06 at 01:48 +0200, Kay Sievers wrote:
> > On Wed, Jun 6, 2012 at 1:43 AM, Joe Perches <joe@perches.com> wrote:
> > > On Wed, 2012-06-06 at 01:39 +0200, Kay Sievers wrote:
> >
> > >> > # echo "\001Hello Andrew" > /dev/kmsg
> > >> > /dev/kmsg has
> > >> > 12,774,2462339252;\001Hello Andrew
> > >>
> > >> Try "echo -e"? The stuff is copied verbatim otherwise.
> > >
> > > # echo -e "\001Hello Kay" > /dev/kmsg
> > > gives
> > > 12,776,3046752764;\x01Hello Kay
> >
> > Don't you need two bytes to trigger the logic?
>
> Yes. Angle brackets fore and aft.
he means
echo "\0014Hello Joe" > /dev/kmsg
^
It needs one of [0-7cd] to trigger the prefix handling.
next prev parent reply other threads:[~2012-06-05 23:58 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-05 9:46 [PATCH 0/8] Rework KERN_<LEVEL> Joe Perches
2012-06-05 9:46 ` [PATCH 4/8] btrfs: Use printk_get_level and printk_skip_level, add __printf, fix fallout Joe Perches
2012-06-05 21:28 ` [PATCH 0/8] Rework KERN_<LEVEL> Andrew Morton
2012-06-05 21:53 ` Kay Sievers
2012-06-05 22:11 ` Joe Perches
2012-06-05 22:17 ` Andrew Morton
2012-06-05 22:49 ` Joe Perches
2012-06-05 23:29 ` Andrew Morton
2012-06-05 23:35 ` Joe Perches
2012-06-05 23:39 ` Kay Sievers
2012-06-05 23:43 ` Joe Perches
2012-06-05 23:48 ` Kay Sievers
2012-06-05 23:52 ` Joe Perches
2012-06-05 23:58 ` Andrew Morton [this message]
2012-06-06 0:07 ` Joe Perches
2012-06-06 0:13 ` Kay Sievers
2012-06-06 0:19 ` Joe Perches
2012-06-06 0:28 ` Kay Sievers
2012-06-06 0:37 ` Joe Perches
2012-06-06 0:37 ` Andrew Morton
2012-06-06 0:40 ` Joe Perches
2012-06-06 0:46 ` Andrew Morton
2012-06-06 1:10 ` Kay Sievers
2012-06-06 2:06 ` Joe Perches
2012-06-06 3:04 ` [PATCH 9/8] printk: Only look for prefix levels in kernel messages Joe Perches
2012-06-05 23:48 ` [PATCH 0/8] Rework KERN_<LEVEL> Joe Perches
2012-06-05 22:55 ` Kay Sievers
2012-06-05 23:09 ` Andrew Morton
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