Date: Wed, 7 Mar 2012 14:50:14 +0000 (UTC) From: Maxim Konovalov <maxim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r232658 - head/share/man/man9 Message-ID: <201203071450.q27EoELr097949@svn.freebsd.org>
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Author: maxim Date: Wed Mar 7 14:50:14 2012 New Revision: 232658 URL: http://svn.freebsd.org/changeset/base/232658 Log: o Sync LOCK_PROFILING manpage with the current code: remove unexistent sysctls, add new ones. Reviewed by: gjb Sponsored by: Nginx, Inc. Modified: head/share/man/man9/LOCK_PROFILING.9 Modified: head/share/man/man9/LOCK_PROFILING.9 ============================================================================== --- head/share/man/man9/LOCK_PROFILING.9 Wed Mar 7 13:17:27 2012 (r232657) +++ head/share/man/man9/LOCK_PROFILING.9 Wed Mar 7 14:50:14 2012 (r232658) @@ -29,7 +29,7 @@ .\" .\" $FreeBSD$ .\" -.Dd November 11, 2006 +.Dd March 7, 2012 .Dt LOCK_PROFILING 9 .Os .Sh NAME @@ -82,32 +82,6 @@ Enable or disable the lock profiling cod 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 @@ reached. 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 ,
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