Performance benchmarks option on control panel

src/freedombone-controlpanel

@@ -1803,6 +1803,19 @@ function wifi_enable {
     "${PROJECT_NAME}-wifi" --disable $disable_wifi
 }
 
+function performance_benchmarks {
+    clear
+    test_drive=/dev/sda1
+    if [ -f /dev/mmcblk0 ]; then
+        test_drive=/dev/mmcblk0
+    fi
+    echo ''
+    echo $"Testing read speed from drive $test_drive"
+    echo ''
+    hdparm -t $test_drive
+    any_key
+}
+
 function add_clacks {
     clacks=
 
@@ -1929,8 +1942,9 @@ function menu_top_level {
            12 $"Wifi menu"
            13 $"Add Clacks"
            14 $"Check for updates"
-           15 $"Power off the system"
-           16 $"Restart the system")
+           15 $"Performance Benchmarks"
+           16 $"Power off the system"
+           17 $"Restart the system")
 
         # shellcheck disable=SC2068
         selection=$(dialog --backtitle $"Freedombone Administrator Control Panel" --title $"Administrator Control Panel" --menu $"Choose an operation, or ESC to exit:" 24 60 24 "${W[@]}" 3>&2 2>&1 1>&3)
@@ -1959,8 +1973,9 @@ function menu_top_level {
             12) menu_wifi;;
             13) add_clacks;;
             14) check_for_updates;;
-            15) shut_down_system;;
-            16) restart_system;;
+            15) performance_benchmarks;;
+            16) shut_down_system;;
+            17) restart_system;;
         esac
     done
 }