svn commit: r276919 - head/release/doc/en_US.ISO8859-1/relnotes

[Mateusz Guzik]

On Sat, Jan 10, 2015 at 10:03:40PM +0000, Glen Barber wrote:
> Author: gjb
> Date: Sat Jan 10 22:03:39 2015
> New Revision: 276919
> URL: https://svnweb.freebsd.org/changeset/base/276919
> 
> Log:
>   Document r270745, ps(1) 'tracer' keyword addition.
>   
>   Sponsored by:	The FreeBSD Foundation
> 
> Modified:
>   head/release/doc/en_US.ISO8859-1/relnotes/article.xml
> 
> Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml
> ==============================================================================
> --- head/release/doc/en_US.ISO8859-1/relnotes/article.xml	Sat Jan 10 22:03:36 2015	(r276918)
> +++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml	Sat Jan 10 22:03:39 2015	(r276919)
> @@ -382,6 +382,10 @@
>        defaults to <filename class="directory">/usr/local</filename>
>        if unset.</para>
>  
> +    <para revision="270745">The &man.ps.1; utility has been updated
> +      to include a new keyword, <quote>tracer</quote>, which displays
> +      the parent <acronym>PID</acronym> of a child process.</para>
> +

'tracer' contains pid of the process doing the tracing.

The kernel used to always replace parent pid with the tracer and then ps
-o ppid would report the tracer instead of the real parent. This was
changed and additional field was added to report the tracer.

-- 
Mateusz Guzik <mjguzik gmail.com>