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From: Kip Macy <kmacy@FreeBSD.org>
Date: Sat, 11 Nov 2006 03:18:07 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org
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Cc: 
Subject: cvs commit: src UPDATING src/sys/conf options src/sys/kern
 kern_lock.c kern_mutex.c kern_rwlock.c kern_sx.c subr_lock.c
 subr_witness.c src/sys/sys _lock.h _mutex.h lock.h lock_profile.h
 lockmgr.h mutex.h src/sys/sun4v/include cpufunc.h
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kmacy       2006-11-11 03:18:07 UTC

  FreeBSD src repository

  Modified files:
    .                    UPDATING 
    sys/conf             options 
    sys/kern             kern_lock.c kern_mutex.c kern_rwlock.c 
                         kern_sx.c subr_lock.c subr_witness.c 
    sys/sys              _lock.h _mutex.h lock.h lockmgr.h mutex.h 
    sys/sun4v/include    cpufunc.h 
  Added files:
    sys/sys              lock_profile.h 
  Log:
  MUTEX_PROFILING has been generalized to LOCK_PROFILING. We now profile
  wait (time waited to acquire) and hold times for *all* kernel locks. If
  the architecture has a system synchronized TSC, the profiling code will
  use that - thereby minimizing profiling overhead. Large chunks of profiling
  code have been moved out of line, the overhead measured on the T1 for when
  it is compiled in but not enabled is < 1%.
  
  Approved by: scottl (standing in for mentor rwatson)
  Reviewed by: des and jhb
  
  Revision  Changes    Path
  1.463     +6 -0      src/UPDATING
  1.564     +1 -1      src/sys/conf/options
  1.101     +19 -5     src/sys/kern/kern_lock.c
  1.177     +30 -248   src/sys/kern/kern_mutex.c
  1.11      +20 -2     src/sys/kern/kern_rwlock.c
  1.31      +21 -1     src/sys/kern/kern_sx.c
  1.5       +291 -0    src/sys/kern/subr_lock.c
  1.220     +1 -1      src/sys/kern/subr_witness.c
  1.2       +3 -0      src/sys/sun4v/include/cpufunc.h
  1.13      +24 -0     src/sys/sys/_lock.h
  1.12      +0 -19     src/sys/sys/_mutex.h
  1.60      +2 -1      src/sys/sys/lock.h
  1.1       +170 -0    src/sys/sys/lock_profile.h (new)
  1.52      +11 -4     src/sys/sys/lockmgr.h
  1.85      +1 -0      src/sys/sys/mutex.h