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From: Robert Watson <rwatson@FreeBSD.org>
Date: Sun, 26 Dec 2004 22:52:24 +0000 (UTC)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
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Subject: cvs commit: src/sys/kern subr_witness.c
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rwatson     2004-12-26 22:52:24 UTC

  FreeBSD src repository

  Modified files:
    sys/kern             subr_witness.c 
  Log:
  Add "show alllocks" command to DDB, which dumps a list of processes
  and threads currently holding sleep mutexes (and spin mutexes for
  curthread).  This can be quite useful in looking for a lock condition
  summary for a system, as it avoids manually iterating through threads
  and processes to find all the interesting locks.
  
  NB: "alllocks" is up there with "lockedvnods" for a bad argument for
  show.
  
  MFC after:      2 weeks
  
  Revision  Changes    Path
  1.184     +42 -0     src/sys/kern/subr_witness.c