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Date:      Wed, 01 Jul 2015 13:03:11 +0300
From:      Andriy Gapon <avg@FreeBSD.org>
To:        Glen Barber <gjb@FreeBSD.org>, src-committers@FreeBSD.org, svn-src-all@FreeBSD.org, svn-src-head@FreeBSD.org
Subject:   Re: svn commit: r284829 - in head/release/doc: en_US.ISO8859-1/relnotes share/xml
Message-ID:  <5593BADF.6060307@FreeBSD.org>
In-Reply-To: <201506251844.t5PIiWS7047224@svn.freebsd.org>
References:  <201506251844.t5PIiWS7047224@svn.freebsd.org>

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On 25/06/2015 21:44, Glen Barber wrote:
> Author: gjb
> Date: Thu Jun 25 18:44:31 2015
> New Revision: 284829
> URL: https://svnweb.freebsd.org/changeset/base/284829
> 
> Log:
>   Document r284297, lockstat(1) improvements.
>   Add ClusterHQ to sponsors.ent.

Glen,

thank you very much.
A couple of small suggestions / corrections below:

>   Sponsored by:	The FreeBSD Foundation
> 
> Modified:
>   head/release/doc/en_US.ISO8859-1/relnotes/article.xml
>   head/release/doc/share/xml/sponsor.ent
> 
> Modified: head/release/doc/en_US.ISO8859-1/relnotes/article.xml
> ==============================================================================
> --- head/release/doc/en_US.ISO8859-1/relnotes/article.xml	Thu Jun 25 18:44:29 2015	(r284828)
> +++ head/release/doc/en_US.ISO8859-1/relnotes/article.xml	Thu Jun 25 18:44:31 2015	(r284829)
> @@ -345,6 +345,32 @@
>  	would cause final results to be sent to &man.stderr.4; when
>  	receiving the <literal>SIGINFO</literal> signal has been
>  	fixed.</para>
> +
> +      <para revision="284297" contrib="sponsor"
> +	sponsor="&clusterhq;">The &man.lockstat.1; utility has been
> +	updated with several improvements:</para>
> +
> +      <itemizedlist>
> +	<listitem>
> +	  <para>Spin locks are now reported as the amount of time
> +	    spinning, instead of loop iterations.</para>
> +	</listitem>
> +
> +	<listitem>
> +	  <para>Reader locks are now recognized as adaptive and can
> +	    spin on &os;.</para>

Reader locks are now recognized as adaptive that can spin [contesting threads
can both block/sleep and spin on the adaptive locks depending on a state of a
current lock holder -- avg].

> +	</listitem>
> +
> +	<listitem>
> +	  <para>Lock aquisition events for successful reader try-lock
> +	    events are now reported.</para>
> +	</listitem>
> +
> +	<listitem>
> +	  <para>Spin-and-block events that occur before lock
> +	    acquisition are now reported.</para>
> +	</listitem>

Spin and block events [two different kinds of events -- avg] are now reported
before lock acquisition events [temporal order -- avg].

> +      </itemizedlist>
>      </sect2>
>  
>      <sect2 xml:id="userland-contrib">
> 
> Modified: head/release/doc/share/xml/sponsor.ent
> ==============================================================================
> --- head/release/doc/share/xml/sponsor.ent	Thu Jun 25 18:44:29 2015	(r284828)
> +++ head/release/doc/share/xml/sponsor.ent	Thu Jun 25 18:44:31 2015	(r284829)
> @@ -15,6 +15,8 @@
>  <!ENTITY citrix		"Citrix Systems">
>  <!ENTITY citrix.rd	"Citrix Systems R&amp;D">
>  
> +<!ENTITY clusterhq	"ClusterHQ">
> +
>  <!ENTITY darpa		"DARPA">
>  <!ENTITY darpa_afrl	"DARPA, AFRL">
>  
> 


-- 
Andriy Gapon



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