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From: Ivan Voras <ivoras@FreeBSD.org>
Date: Mon, 5 Mar 2012 14:19:43 +0000 (UTC)
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Subject: svn commit: r232547 - head/sys/kern
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Author: ivoras
Date: Mon Mar  5 14:19:43 2012
New Revision: 232547
URL: http://svn.freebsd.org/changeset/base/232547

Log:
  Print out process name and thread id in the debugging message.
  This is useful because the message can end up in system logs in
  non-debugging operation.
  
  Reviewed by:	attilio (earlier version)

Modified:
  head/sys/kern/kern_lock.c

Modified: head/sys/kern/kern_lock.c
==============================================================================
--- head/sys/kern/kern_lock.c	Mon Mar  5 14:04:12 2012	(r232546)
+++ head/sys/kern/kern_lock.c	Mon Mar  5 14:19:43 2012	(r232547)
@@ -1277,8 +1277,9 @@ lockmgr_printinfo(const struct lock *lk)
 		    (uintmax_t)LK_SHARERS(lk->lk_lock));
 	else {
 		td = lockmgr_xholder(lk);
-		printf("lock type %s: EXCL by thread %p (pid %d)\n",
-		    lk->lock_object.lo_name, td, td->td_proc->p_pid);
+		printf("lock type %s: EXCL by thread %p "
+		    "(pid %d, %s, tid %d)\n", lk->lock_object.lo_name, td,
+		    td->td_proc->p_pid, td->td_proc->p_comm, td->td_tid);
 	}
 
 	x = lk->lk_lock;