===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/kdump/kdump.c,v
retrieving revision 1.127
retrieving revision 1.128
diff -u -r1.127 -r1.128
--- src/usr.bin/kdump/kdump.c	2016/03/30 08:00:01	1.127
+++ src/usr.bin/kdump/kdump.c	2016/06/02 22:47:13	1.128
@@ -1,4 +1,4 @@
-/*	$OpenBSD: kdump.c,v 1.127 2016/03/30 08:00:01 guenther Exp $	*/
+/*	$OpenBSD: kdump.c,v 1.128 2016/06/02 22:47:13 tedu Exp $	*/
 
 /*-
  * Copyright (c) 1988, 1993
@@ -185,11 +185,11 @@
 			if (errstr)
 				errx(1, "-p %s: %s", optarg, errstr);
 			break;
-		case 'R':
-			timestamp = 2;	/* relative timestamp */
+		case 'R':	/* relative timestamp */
+			timestamp = timestamp == 1 ? 3 : 2;
 			break;
 		case 'T':
-			timestamp = 1;
+			timestamp = timestamp == 2 ? 3 : 1;
 			break;
 		case 't':
 			trpoints = getpoints(optarg);
@@ -349,7 +349,11 @@
 		basecol += printf("/%-7ld", (long)kth->ktr_tid);
 	basecol += printf(" %-8.*s ", MAXCOMLEN, kth->ktr_comm);
 	if (timestamp) {
-		if (timestamp == 2) {
+		if (timestamp == 3) {
+			if (prevtime.tv_sec == 0)
+				prevtime = kth->ktr_time;
+			timespecsub(&kth->ktr_time, &prevtime, &temp);
+		} else if (timestamp == 2) {
 			timespecsub(&kth->ktr_time, &prevtime, &temp);
 			prevtime = kth->ktr_time;
 		} else