diff --git a/hypervisor/Makefile b/hypervisor/Makefile
index 3b841685e..fc19bb8c4 100644
--- a/hypervisor/Makefile
+++ b/hypervisor/Makefile
@@ -212,6 +212,7 @@ HW_C_SRCS += arch/x86/sgx.c
 HW_C_SRCS += common/softirq.c
 HW_C_SRCS += common/schedule.c
 HW_C_SRCS += common/sched_noop.c
+HW_C_SRCS += common/sched_iorr.c
 HW_C_SRCS += hw/pci.c
 HW_C_SRCS += arch/x86/configs/vm_config.c
 HW_C_SRCS += arch/x86/configs/$(CONFIG_BOARD)/board.c
diff --git a/hypervisor/common/sched_iorr.c b/hypervisor/common/sched_iorr.c
new file mode 100644
index 000000000..65195bd0f
--- /dev/null
+++ b/hypervisor/common/sched_iorr.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2019 Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <list.h>
+#include <per_cpu.h>
+#include <schedule.h>
+
+struct sched_iorr_data {
+	/* keep list as the first item */
+	struct list_head list;
+
+	uint64_t slice_cycles;
+	uint64_t last_cycles;
+	int64_t  left_cycles;
+};
+
+int sched_iorr_init(__unused struct sched_control *ctl)
+{
+	return 0;
+}
+
+void sched_iorr_deinit(__unused struct sched_control *ctl)
+{
+}
+
+void sched_iorr_init_data(__unused struct thread_object *obj)
+{
+}
+
+static struct thread_object *sched_iorr_pick_next(__unused struct sched_control *ctl)
+{
+	return NULL;
+}
+
+static void sched_iorr_sleep(__unused struct thread_object *obj)
+{
+}
+
+static void sched_iorr_wake(__unused struct thread_object *obj)
+{
+}
+
+struct acrn_scheduler sched_iorr = {
+	.name		= "sched_iorr",
+	.init		= sched_iorr_init,
+	.init_data	= sched_iorr_init_data,
+	.pick_next	= sched_iorr_pick_next,
+	.sleep		= sched_iorr_sleep,
+	.wake		= sched_iorr_wake,
+	.deinit		= sched_iorr_deinit,
+};
diff --git a/hypervisor/include/arch/x86/per_cpu.h b/hypervisor/include/arch/x86/per_cpu.h
index cb71325c9..1a667ab31 100644
--- a/hypervisor/include/arch/x86/per_cpu.h
+++ b/hypervisor/include/arch/x86/per_cpu.h
@@ -38,6 +38,7 @@ struct per_cpu_region {
 	struct per_cpu_timers cpu_timers;
 	struct sched_control sched_ctl;
 	struct sched_noop_control sched_noop_ctl;
+	struct sched_iorr_control sched_iorr_ctl;
 	struct thread_object idle;
 	struct host_gdt gdt;
 	struct tss_64 tss;
diff --git a/hypervisor/include/common/schedule.h b/hypervisor/include/common/schedule.h
index 808beacca..5179b5243 100644
--- a/hypervisor/include/common/schedule.h
+++ b/hypervisor/include/common/schedule.h
@@ -7,6 +7,8 @@
 #ifndef SCHEDULE_H
 #define SCHEDULE_H
 #include <spinlock.h>
+#include <list.h>
+#include <timer.h>
 
 #define	NEED_RESCHEDULE		(1U)
 
@@ -77,11 +79,17 @@ struct acrn_scheduler {
 	void	(*deinit)(struct sched_control *ctl);
 };
 extern struct acrn_scheduler sched_noop;
+extern struct acrn_scheduler sched_iorr;
 
 struct sched_noop_control {
 	struct thread_object *noop_thread_obj;
 };
 
+struct sched_iorr_control {
+	struct list_head runqueue;
+	struct hv_timer tick_timer;
+};
+
 bool is_idle_thread(const struct thread_object *obj);
 uint16_t sched_get_pcpuid(const struct thread_object *obj);
 struct thread_object *sched_get_current(uint16_t pcpu_id);