Add syscall-related benchmarks

test/benchmark/lmbench-fstat/config.json

@@ -0,0 +1,5 @@
+{
+    "alert_threshold": "125%",
+    "pattern": "Simple fstat",
+    "field": "3"
+}

test/benchmark/lmbench-fstat/result_template.json

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+[
+    {
+        "name": "Average fstat latency on Linux",
+        "unit": "ms",
+        "value": 0,
+        "extra": "linux_avg"
+    },
+    {
+        "name": "Average fstat latency on Asterinas",
+        "unit": "ms",
+        "value": 0,
+        "extra": "aster_avg"
+    }
+]

test/benchmark/lmbench-fstat/run.sh

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+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench fstat latency test ***"
+
+touch test_file
+/benchmark/bin/lmbench/lat_syscall -P 1 fstat test_file

test/benchmark/lmbench-open/config.json

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+{
+    "alert_threshold": "125%",
+    "pattern": "Simple open\\/close",
+    "field": "3"
+}

test/benchmark/lmbench-open/result_template.json

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+[
+    {
+        "name": "Average open latency on Linux",
+        "unit": "ms",
+        "value": 0,
+        "extra": "linux_avg"
+    },
+    {
+        "name": "Average open latency on Asterinas",
+        "unit": "ms",
+        "value": 0,
+        "extra": "aster_avg"
+    }
+]

test/benchmark/lmbench-open/run.sh

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+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench open latency test ***"
+
+touch test_file
+/benchmark/bin/lmbench/lat_syscall -P 1 open test_file

test/benchmark/lmbench-stat/config.json

@@ -0,0 +1,5 @@
+{
+    "alert_threshold": "125%",
+    "pattern": "Simple stat",
+    "field": "3"
+}

test/benchmark/lmbench-stat/result_template.json

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

test/benchmark/lmbench-stat/run.sh

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+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+echo "*** Running the LMbench stat latency test ***"
+
+touch test_file
+/benchmark/bin/lmbench/lat_syscall -P 1 stat test_file