Allow displaying timestamps without enabling histograms in wrapper script

scripts/run_client

@@ -3,7 +3,7 @@
 script_dir=$(dirname $(realpath $0))
 
 usage() {
-  echo "Usage: $0 (-e delta [-o etf_offset] | -p) [-bg] [-i INTERVAL] [-d TX_BUFFER_LEN] [emerald|slate|onyx]" 1>&2;
+  echo "Usage: $0 (-e delta [-o etf_offset] | -p) [-bgt] [-i INTERVAL] [-d TX_BUFFER_LEN] [emerald|slate|onyx]" 1>&2;
   exit 1;
 }
 
@@ -16,7 +16,7 @@ qdisc_options=""
 ip="192.168.99."
 etf_offset=500
 
-while getopts "bd:e:o:ghi:p" opt; do
+while getopts "bd:e:o:ghi:pt" opt; do
   case "${opt}" in
     b )
         client_options+=" -b"
@@ -33,7 +33,7 @@ while getopts "bd:e:o:ghi:p" opt; do
         etf_offset=${OPTARG}
         ;;
     g )
-        client_options+=" -g -t"
+        client_options+=" -g"
         use_histogram=1
         ;;
     h )
@@ -48,6 +48,9 @@ while getopts "bd:e:o:ghi:p" opt; do
         client_options+=" -q 1"
         qdisc_options+="-p"
       ;;
+    t )
+        client_options+=" -t"
+      ;;
     * )
         usage
       ;;