diff --git arch/x86_64/kernel/include/syscall_list.h arch/x86_64/kernel/include/syscall_list.h
index 48b1ea0..3717bb2 100644
--- arch/x86_64/kernel/include/syscall_list.h
+++ arch/x86_64/kernel/include/syscall_list.h
@@ -168,4 +168,6 @@ SYSCALL_HANDLED(802, linux_mlock)
 SYSCALL_HANDLED(803, suspend_threads)
 SYSCALL_HANDLED(804, resume_threads)
 SYSCALL_HANDLED(811, linux_spawn)
+
+SYSCALL_HANDLED(900, dump_rusage)
 /**** End of File ****/
diff --git kernel/syscall.c kernel/syscall.c
index 8dc0a0e..9969a4b 100644
--- kernel/syscall.c
+++ kernel/syscall.c
@@ -9477,3 +9477,31 @@ long syscall(int num, ihk_mc_user_context_t *ctx)
 
 	return l;
 }
+
+SYSCALL_DECLARE(dump_rusage)
+{
+	/* rusage debug */
+	int i;
+	for(i = 0; i < IHK_MAX_NUM_PGSIZES; i++) {
+		kprintf("memory_stat_rss[%d]=%ld\n", i, rusage->memory_stat_rss[i]);
+	}
+	for(i = 0; i < IHK_MAX_NUM_PGSIZES; i++) {
+		kprintf("memory_stat_mapped_file[%d]=%ld\n", i, rusage->memory_stat_mapped_file[i]);
+	}
+	kprintf("memory_max_usage=%ld\n", rusage->memory_max_usage);
+	kprintf("memory_kmem_usage=%ld\n", rusage->memory_kmem_usage);
+	kprintf("memory_kmem_max_usage=%ld\n", rusage->memory_kmem_max_usage);
+	for (i = 0; i < rusage->num_numa_nodes; i++) {
+		kprintf("memory_numa_stat[%d]=%ld\n", i, rusage->memory_numa_stat[i]);
+	}
+	kprintf("ns_per_tsc=%ld\n", rusage->ns_per_tsc);
+	for (i = 0; i < rusage->num_processors; i++) {
+		kprintf("cpu[%d].user_tsc=%ld\n", i, rusage->cpu[i].user_tsc);
+		kprintf("cpu[%d].system_tsc=%ld\n", i, rusage->cpu[i].system_tsc);
+	}
+
+	kprintf("num_threads=%d\n", rusage->num_threads);
+	kprintf("max_num_threads=%d\n", rusage->max_num_threads);
+
+	return 0;
+}