Add ldconfig to initramfs

Makefile

@@ -46,7 +46,7 @@ endif
 
 # If the BENCHMARK is set, we will run the benchmark in the kernel mode.
 ifneq ($(BENCHMARK), none)
-CARGO_OSDK_ARGS += --init-args="/benchmark/$(BENCHMARK)/run.sh"
+CARGO_OSDK_ARGS += --init-args="/benchmark/common/runner.sh $(BENCHMARK)"
 endif
 
 ifeq ($(RELEASE_LTO), 1)

test/Makefile

@@ -13,7 +13,6 @@ INITRAMFS_IMAGE := $(BUILD_DIR)/initramfs.cpio.gz
 EXT2_IMAGE := $(BUILD_DIR)/ext2.img
 EXFAT_IMAGE := $(BUILD_DIR)/exfat.img
 INITRAMFS_EMPTY_DIRS := \
-	$(INITRAMFS)/sbin \
 	$(INITRAMFS)/root \
 	$(INITRAMFS)/tmp \
 	$(INITRAMFS)/opt \
@@ -26,6 +25,7 @@ INITRAMFS_ALL_DIRS := \
 	$(INITRAMFS)/lib/x86_64-linux-gnu \
 	$(INITRAMFS)/lib64 \
 	$(INITRAMFS)/bin \
+	$(INITRAMFS)/sbin \
 	$(INITRAMFS)/usr/bin \
 	$(INITRAMFS)/test \
 	$(INITRAMFS)/benchmark \
@@ -82,6 +82,11 @@ $(INITRAMFS)/bin:
 	@mkdir -p $@
 	@/bin/busybox --install -s $@
 
+$(INITRAMFS)/sbin:
+	@mkdir -p $@
+	@cp /sbin/ldconfig $@
+	@cp /sbin/ldconfig.real $@
+
 $(INITRAMFS)/usr/bin: | $(INITRAMFS)/bin
 	@mkdir -p $@
 	@cp /usr/bin/busybox $@

test/benchmark/common/runner.sh

@@ -0,0 +1,45 @@
+#!/bin/sh
+
+# SPDX-License-Identifier: MPL-2.0
+
+set -e
+
+print_help() {
+    echo "Usage: $0 bench_name"
+    echo ""
+    echo "The bench_name argument must be one of the directory under asterinas/test/benchmark/".
+}
+
+BENCH_NAME=$1
+SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
+
+# Validate arguments
+check_bench_name() {
+    if [ -z "${BENCH_NAME}" ]; then
+        echo "Error: No directory provided."
+        print_help
+        exit 1
+    fi
+
+    local full_path="${SCRIPT_DIR}/../${BENCH_NAME}"
+
+    if ! [ -d "${full_path}" ]; then
+        echo "Directory '${BENCH_NAME}' does not exist in the script directory."
+        print_help
+        exit 1
+    fi
+}
+
+check_bench_name
+
+BENCH_SCRIPT=${SCRIPT_DIR}/../${BENCH_NAME}/run.sh
+
+# Prepare the environment
+if [ ! -d /tmp ]; then
+    mkdir /tmp
+fi
+/sbin/ldconfig
+chmod +x ${BENCH_SCRIPT}
+
+# Run the benchmark
+${BENCH_SCRIPT}

test/benchmark/lmbench-exec/run.sh

@@ -6,8 +6,5 @@ set -e
 
 echo "*** Running the LMbench exec latency test ***"
 
-if [ ! -d /tmp ]; then
-    mkdir /tmp
-fi
 cp /benchmark/bin/lmbench/hello /tmp/
 /benchmark/bin/lmbench/lat_proc -P 1 exec

test/benchmark/lmbench-shell/run.sh

@@ -6,8 +6,5 @@ set -e
 
 echo "*** Running the LMbench shell latency test ***"
 
-if [ ! -d /tmp ]; then
-    mkdir /tmp
-fi
 cp /benchmark/bin/lmbench/hello /tmp/
 /benchmark/bin/lmbench/lat_proc -P 1 shell