Index: kern/kern_ktrace.c
===================================================================
RCS file: /home/dcvs/src/sys/kern/kern_ktrace.c,v
retrieving revision 1.28
diff -u -r1.28 kern_ktrace.c
--- kern/kern_ktrace.c	12 Aug 2006 00:26:20 -0000	1.28
+++ kern/kern_ktrace.c	4 May 2007 18:28:10 -0000
@@ -66,12 +66,14 @@
 {
 	struct ktr_header *kth;
 	struct proc *p = curproc;	/* XXX */
+	struct lwp *lp = curthread->td_lwp;
 
 	MALLOC(kth, struct ktr_header *, sizeof (struct ktr_header),
 		M_KTRACE, M_WAITOK);
 	kth->ktr_type = type;
 	microtime(&kth->ktr_time);
 	kth->ktr_pid = p->p_pid;
+	kth->ktr_tid = lp->lwp_tid;
 	bcopy(p->p_comm, kth->ktr_comm, MAXCOMLEN + 1);
 	return (kth);
 }
Index: sys/ktrace.h
===================================================================
RCS file: /home/dcvs/src/sys/sys/ktrace.h,v
retrieving revision 1.8
diff -u -r1.8 ktrace.h
--- sys/ktrace.h	21 May 2006 03:43:47 -0000	1.8
+++ sys/ktrace.h	4 May 2007 18:56:49 -0000
@@ -80,6 +80,7 @@
 	int	ktr_len;		/* length of buf */
 	short	ktr_type;		/* trace record type */
 	pid_t	ktr_pid;		/* process id */
+	lwpid_t	ktr_tid;		/* lwp id */
 	char	ktr_comm[MAXCOMLEN+1];	/* command name */
 	struct	timeval ktr_time;	/* timestamp */
 	caddr_t	ktr_buf;