mount temp_file_dir directory to tmpfs (#165)

When the `temp_file_dir` directory is not mounted under tmpfs then
it affects the test result on the tsn ref sw test cases.

By solving the issue, we will check on the `temp_file_dir` folder,
if it is not mounted under tmpfs then we will create and mount it.

Signed-off-by: Choong Yong Liang <yong.liang.choong@intel.com>

json/helpers.sh

@@ -527,3 +527,21 @@ save_result_files(){
         ;;
         esac
 }
+
+check_and_mount_tmpfs()
+{
+        TEMP_DIR=$1
+
+        CHECK_MOUNT=$(mount | grep $TEMP_DIR)
+        if [[ -z $CHECK_MOUNT ]]; then
+                mount -t tmpfs -o mode=0755,nodev,nosuid,strictatime tmpfs $TEMP_DIR
+        fi
+
+        CHECK_TMPFS=$(mount | grep tmpfs | grep $TEMP_DIR)
+        if [[ -z $CHECK_TMPFS ]]; then
+                echo "The $TEMP_DIR folder could not be mounted."
+                echo "$TEMP_DIR is required to be mounted on tmpfs for optimum performance when running TSN Reference App."
+                echo "Please check if there are any missing permission or memory requirements."
+                exit 1
+        fi
+}

json/opcua-run.sh

@@ -229,6 +229,8 @@ if [[ ! -z $OUTPUT_FILE ]]; then
         echo "Output temp dir for output file: $TEMP_DIR - inexistent. Exiting."
         exit 1
     else
+        check_and_mount_tmpfs $TEMP_DIR
+
         echo -n "" > $TEMP_DIR/$OUTPUT_FILE
         ln -sfv $TEMP_DIR/$OUTPUT_FILE .
     fi

shell/helpers.sh

@@ -576,3 +576,21 @@ setup_link_down_up(){
 
         ip link set $IFACE up
 }
+
+check_and_mount_tmpfs()
+{
+        TEMP_DIR=$1
+
+        CHECK_MOUNT=$(mount | grep $TEMP_DIR)
+        if [[ -z $CHECK_MOUNT ]]; then
+                mount -t tmpfs -o mode=0755,nodev,nosuid,strictatime tmpfs $TEMP_DIR
+        fi
+
+        CHECK_TMPFS=$(mount | grep tmpfs | grep $TEMP_DIR)
+        if [[ -z $CHECK_TMPFS ]]; then
+                echo "The $TEMP_DIR folder could not be mounted."
+                echo "$TEMP_DIR is required to be mounted on tmpfs for optimum performance when running TSN Reference App."
+                echo "Please check if there are any missing permission or memory requirements."
+                exit 1
+        fi
+}

shell/vs1a.sh

@@ -57,6 +57,7 @@ rm -f ./afxdp-txtstamps.txt
 sync
 
 # Improve performance/consistency by logging to tmpfs (system memory)
+check_and_mount_tmpfs $TEMP_DIR
 ln -sfv $TEMP_DIR/afpkt-txtstamps.txt .
 ln -sfv $TEMP_DIR/afxdp-txtstamps.txt .
 

shell/vs1b.sh

@@ -50,6 +50,7 @@ pkill txrx-tsn
 pkill iperf3
 
 # Improve performance/consistency by logging to tmpfs (system memory)
+check_and_mount_tmpfs $TEMP_DIR
 ln -sfv $TEMP_DIR/afpkt-rxtstamps.txt .
 ln -sfv $TEMP_DIR/afxdp-rxtstamps.txt .