LOCK_PROFILING.9 man page update

[Glen Barber]

Hi Maxim,

On Wed, Mar 07, 2012 at 06:23:59PM +0400, Maxim Konovalov wrote:
> Hello,
> 
> I've just noticed that LOCK_PROFILING(9) is out of date.  Below is a
> diff that removes unexistent sysctls and adds a couple of new ones.
> 
> I'll appreciate if someone reviews it (especially my English).
> 
> Thanks,
> 
> -- maxim
> 
> Index: LOCK_PROFILING.9
> ===================================================================
> --- LOCK_PROFILING.9	(revision 232650)
> +++ LOCK_PROFILING.9	(working copy)
> @@ -29,7 +29,7 @@
>  .\"
>  .\" $FreeBSD$
>  .\"
> -.Dd November 11, 2006
> +.Dd March 7, 2012
>  .Dt LOCK_PROFILING 9
>  .Os
>  .Sh NAME
> @@ -82,32 +82,6 @@
>  This defaults to 0 (off).
>  .It Va debug.lock.prof.reset
>  Reset the current lock profiling buffers.
> -.It Va debug.lock.prof.acquisitions
> -The total number of lock acquisitions recorded.
> -.It Va debug.lock.prof.records
> -The total number of acquisition points recorded.
> -Note that only active acquisition points (i.e., points that have been
> -reached at least once) are counted.
> -.It Va debug.lock.prof.maxrecords
> -The maximum number of acquisition points the profiling code is capable
> -of monitoring.
> -Since it would not be possible to call
> -.Xr malloc 9
> -from within the lock profiling code, this is a static limit.
> -The number of records can be changed with the
> -.Dv LPROF_BUFFERS
> -kernel option.
> -.It Va debug.lock.prof.rejected
> -The number of acquisition points that were ignored after the table
> -filled up.
> -.It Va debug.lock.prof.hashsize
> -The size of the hash table used to map acquisition points to
> -statistics records.
> -The hash size can be changed with the
> -.Dv LPROF_HASH_SIZE
> -kernel option.
> -.It Va debug.lock.prof.collisions
> -The number of hash collisions in the acquisition point hash table.
>  .It Va debug.lock.prof.stats
>  The actual profiling statistics in plain text.
>  The columns are as follows, from left to right:
> @@ -138,6 +112,14 @@
>  The name of the acquisition point, derived from the source file name
>  and line number, followed by the name of the lock in parentheses.
>  .El
> +.It Va debug.lock.prof.rejected
> +The number of acquisition points that were ignored after the table
> +filled up.
> +.It Va debug.lock.prof.skipspin
> +Disable or enable the lock profiling code for the spin locks.
> +This defaults to 0 (do profiling for the spin locks).
> +.It Va debug.lock.prof.skipcount
> +Do sampling approximately every N lock acquisitions.
>  .El
>  .Sh SEE ALSO
>  .Xr sysctl 8 ,
> %%%
> 

Looks fine to me.

Glen