Add lmbench fs tests

test/benchmark/lmbench-fs-create-delete-files-10k/config.json

@@ -0,0 +1,7 @@
+{
+    "alert_threshold": "125%",
+    "alert_tool": "customBiggerIsBetter",
+    "search_pattern": "10k",
+    "result_index": "2",
+    "description": "The number of 10k-sized files created then deleted over a duration."
+}

test/benchmark/lmbench-fs-create-delete-files-10k/result_template.json

@@ -0,0 +1,14 @@
+[
+    {
+        "name": "Number of created/deleted files on Linux",
+        "unit": "number",
+        "value": 0,
+        "extra": "linux_avg"
+    },
+    {
+        "name": "Number of created/deleted files on Asterinas",
+        "unit": "number",
+        "value": 0,
+        "extra": "aster_avg"
+    }
+]

test/benchmark/lmbench-fs-create-delete-files-10k/run.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench file system create/delete test ***"
+
+/benchmark/bin/lmbench/lat_fs -s 10k -P 1