--- tcptrace.c.orig	Tue Mar 12 16:10:34 2002
+++ tcptrace.c	Tue Mar 12 15:47:34 2002
@@ -244,6 +244,8 @@
      "limit the maximum number of connections kept at a time in real-time mode"},
 	{"xplot_all_files", &xplot_all_files, TRUE,
 	 "display all generated xplot files at the end"},
+     {"showtsglabels", &show_tsg_labels, TRUE,
+      "mark labels on time sequence graph"},
 
 };
 #define NUM_EXTENDED_BOOLS (sizeof(extended_bools) / sizeof(struct ext_bool_op))
--- tcptrace.h.orig	Tue Mar 12 16:10:44 2002
+++ tcptrace.h	Tue Mar 12 15:48:50 2002
@@ -652,6 +652,7 @@
 extern Bool show_rtt_dongles;
 extern Bool show_triple_dupack;
 extern Bool show_zwnd_probes;
+extern Bool show_tsg_labels;
 extern Bool use_short_names;
 extern Bool save_tcp_data;
 extern Bool graph_time_zero;
--- trace.c.orig	Tue Mar 12 16:10:54 2002
+++ trace.c	Tue Mar 12 15:58:15 2002
@@ -113,6 +113,7 @@
 Bool nonames = FALSE;
 Bool use_short_names = FALSE;
 Bool show_urg = TRUE;
+Bool show_tsg_labels = TRUE;
 int thru_interval = 10;	/* in segments */
 
 
@@ -1527,7 +1528,7 @@
 
 
     /* plot out-of-order segments, if asked */
-    if (out_order && (from_tsgpl != NO_PLOTTER) && show_out_order) {
+    if (out_order && (from_tsgpl != NO_PLOTTER) && show_out_order && show_tsg_labels) {
 	plotter_perm_color(from_tsgpl, out_order_color);
 	plotter_text(from_tsgpl, current_time, SeqRep(thisdir,end),
 		     "a", "O");
@@ -1545,7 +1546,7 @@
 	/* don't color the SYNs and FINs, it's confusing, we'll do them */
 	/* differently below... */
 	if (!(FIN_SET(ptcp)||SYN_SET(ptcp)) &&
-	    from_tsgpl != NO_PLOTTER && show_rexmit) {
+	    from_tsgpl != NO_PLOTTER && show_rexmit && show_tsg_labels) {
 	    plotter_perm_color(from_tsgpl, retrans_color);
 	    plotter_text(from_tsgpl, current_time, SeqRep(thisdir,end),
 			 "a", hw_dup?"HD":"R");
@@ -1559,7 +1560,7 @@
     }
    
     if(probe) {
-        if(from_tsgpl != NO_PLOTTER && show_zwnd_probes){
+        if(from_tsgpl != NO_PLOTTER && show_zwnd_probes && show_tsg_labels){
 	    plotter_perm_color(from_tsgpl,probe_color);
 	    plotter_text(from_tsgpl,current_time,SeqRep (thisdir,end),
 			  "b", "P");
@@ -1634,7 +1635,7 @@
 			 current_time, SeqRep(thisdir,end));
 	} else if (tcp_data_length == 0) {
 	    /* for Brian Utterback */
-	    if (graph_zero_len_pkts) {
+	    if (graph_zero_len_pkts && show_tsg_labels) {
 		/* draw zero-length packets */
 		/* shows up as an X, really two arrow heads */
 		plotter_darrow(from_tsgpl,
@@ -1658,7 +1659,7 @@
    
     /* Plotting URGENT data */
     if(urg) {
-        if(from_tsgpl != NO_PLOTTER && show_urg){
+        if(from_tsgpl != NO_PLOTTER && show_urg && show_tsg_labels){
 	    plotter_perm_color(from_tsgpl,urg_color);
 	    plotter_text(from_tsgpl,current_time,SeqRep (thisdir,end),
 			   "a", "U");
@@ -1797,7 +1798,7 @@
 		}
 	    } else {
 		plotter_dtick(to_tsgpl, current_time, SeqRep(otherdir,ack));
-		if (show_triple_dupack && (ack_type == TRIPLE)) {
+		if (show_triple_dupack && (ack_type == TRIPLE) && show_tsg_labels) {
 		    plotter_text(to_tsgpl, current_time,
 				 SeqRep(otherdir,ack),
 				 "a", "3");  /* '3' is for triple dupack */
@@ -1831,7 +1832,7 @@
 	}
 	/* draw sacks, if appropriate */
 	if (to_tsgpl != NO_PLOTTER && show_sacks
-	    && (ptcpo->sack_count > 0)) {
+	    && (ptcpo->sack_count > 0) && show_tsg_labels) {
 	    int scount;
 	    seqnum sack_top = ptcpo->sacks[0].sack_right;