Add `ramfs_copy_files_bw` benchmark

.github/workflows/benchmark_asterinas.yml

@@ -51,6 +51,7 @@ jobs:
           # File-related benchmarks
           - lmbench/ramfs_create_delete_files_0k_ops
           - lmbench/ramfs_create_delete_files_10k_ops
+          - lmbench/ramfs_copy_files_bw
           - lmbench/ext2_create_delete_files_0k_ops
           - lmbench/ext2_create_delete_files_10k_ops
           - lmbench/ext2_copy_files_bw

test/benchmark/lmbench/ramfs_copy_files_bw/config.json

@@ -0,0 +1,8 @@
+{
+    "alert_threshold": "125%",
+    "alert_tool": "customBiggerIsBetter",
+    "search_pattern": "lmdd result:",
+    "result_index": "8",
+    "description": "lmdd",
+    "title": "[Ramfs] The bandwidth of copying data between files"
+}

test/benchmark/lmbench/ramfs_copy_files_bw/result_template.json

@@ -0,0 +1,14 @@
+[
+    {
+        "name": "Average file copy bandwidth on Linux",
+        "unit": "MB/s",
+        "value": 0,
+        "extra": "linux_result"
+    },
+    {
+        "name": "Average file copy bandwidth on Asterinas",
+        "unit": "MB/s",
+        "value": 0,
+        "extra": "aster_result"
+    }
+]

test/benchmark/lmbench/ramfs_copy_files_bw/run.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench lmdd test ***"
+
+dd if=/dev/zero of=/tmp/zero_file bs=1M count=512
+echo -n "lmdd result: " & /benchmark/bin/lmbench/lmdd if=/tmp/zero_file of=/tmp/test_file

test/benchmark/lmbench/summary.json

@@ -24,6 +24,7 @@
     "vfs_fstat_lat",
     "vfs_read_pagecache_bw",
     "vfs_select_lat",
+    "ramfs_copy_files_bw",
     "ramfs_create_delete_files_0k_ops",
     "ramfs_create_delete_files_10k_ops",
     "ext2_copy_files_bw",