diff --git a/install.sh b/install.sh
index 51a51ff..352bdac 100755
--- a/install.sh
+++ b/install.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 CURDIR=$PWD
-REQUIRED_PKGS=(file git)
+REQUIRED_PKGS=(file git bc)
 
 function usage() {
     echo 'usage: --host | --containers | --full | --one-container <CT_NAME>'
diff --git a/tools/timing b/tools/timing
new file mode 100755
index 0000000..32ba5ac
--- /dev/null
+++ b/tools/timing
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+echo >&2 "time elapsed in seconds..."
+START=$(date +%s.%N)
+# do something #######################
+
+$@
+
+#######################################
+END=$(date +%s.%N)
+
+DIFF=$(echo "scale=2; (${END} - ${START}) / 1" | bc)
+echo "${DIFF}"