Add lmbench unix connect latency test

.github/workflows/benchmark_asterinas.yml

@@ -26,6 +26,7 @@ jobs:
           # IPC-related benchmarks
           - lmbench-unix-latency
           - lmbench-unix-bandwidth
+          - lmbench-unix-connect-latency
           - lmbench-pipe-latency
           - lmbench-pipe-bandwidth
           # Syscall-related benchmarks

test/benchmark/lmbench-unix-connect-latency/config.json

@@ -0,0 +1,7 @@
+{
+    "alert_threshold": "125%",
+    "alert_tool": "customSmallerIsBetter",
+    "search_pattern": "UNIX connection cost:",
+    "result_index": "4",
+    "description": "The latency of UNIX domain socket connection on a single processor."
+}

test/benchmark/lmbench-unix-connect-latency/result_template.json

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

test/benchmark/lmbench-unix-connect-latency/run.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench unix connect latency test ***"
+
+/benchmark/bin/lmbench/lat_unix_connect -s
+/benchmark/bin/lmbench/lat_unix_connect -P 1