[alsa-devel] [PATCH 0/8] Rework KERN_<LEVEL>
joe at perches.com
Wed Jun 6 01:52:25 CEST 2012
On Wed, 2012-06-06 at 01:48 +0200, Kay Sievers wrote:
> On Wed, Jun 6, 2012 at 1:43 AM, Joe Perches <joe at 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.
If you use a "<n>" prefix for write to /dev/kmsg,
then it's supported just like before.
Otherwise, it's emitted at KERN_DEFAULT.
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