Only pack benchmark utils while running benchmarks

test/Makefile

@@ -33,9 +33,14 @@ INITRAMFS_ALL_DIRS := \
 	$(INITRAMFS)/sbin \
 	$(INITRAMFS)/usr/bin \
 	$(INITRAMFS)/usr/local \
-	$(INITRAMFS)/test \
 	$(INITRAMFS)/benchmark \
 	$(INITRAMFS_EMPTY_DIRS)
+
+# Include test as target if BENCHMARK is not set.
+ifeq ($(BENCHMARK), none)
+INITRAMFS_ALL_DIRS += $(INITRAMFS)/test
+endif
+
 SYSCALL_TEST_DIR := $(INITRAMFS)/opt/syscall_test
 
 .PHONY: all

test/benchmark/common/prepare_host.sh

@@ -43,5 +43,5 @@ prepare_libs() {
 prepare_fs() {
     # Disable unsupported ext2 features of Asterinas on Linux to ensure fairness
     mke2fs -F -O ^ext_attr -O ^resize_inode -O ^dir_index ${BENCHMARK_ROOT}/../build/ext2.img
-    make initramfs
+    make initramfs BENCHMARK=${benchmark}
 }