Add lmbench localhost TCP latency test

.github/workflows/benchmark_asterinas.yml

@@ -59,6 +59,7 @@ jobs:
           - lmbench-http-bandwidth
           - lmbench-tcp-bandwidth-localhost
           - lmbench-tcp-connect-latency
+          - lmbench-tcp-latency-localhost
       fail-fast: false
     timeout-minutes: 60
     container: 

test/benchmark/lmbench-tcp-latency-localhost/config.json

@@ -0,0 +1,7 @@
+{
+    "alert_threshold": "125%",
+    "alert_tool": "customSmallerIsBetter",
+    "search_pattern": "TCP latency using 127.0.0.1:",
+    "result_index": "5",
+    "description": "The latency of TCP on localhost."
+}

test/benchmark/lmbench-tcp-latency-localhost/result_template.json

@@ -0,0 +1,14 @@
+[
+    {
+        "name": "Average TCP latency on Linux",
+        "unit": "µs",
+        "value": 0,
+        "extra": "linux_avg"
+    },
+    {
+        "name": "Average TCP latency on Asterinas",
+        "unit": "µs",
+        "value": 0,
+        "extra": "aster_avg"
+    }
+]

test/benchmark/lmbench-tcp-latency-localhost/run.sh

@@ -0,0 +1,11 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running lmbench TCP latency test ***"
+
+/benchmark/bin/lmbench/lat_tcp -s
+/benchmark/bin/lmbench/lat_tcp -P 1 127.0.0.1
+/benchmark/bin/lmbench/lat_tcp -S 127.0.0.1