diff --git a/devicemodel/core/main.c b/devicemodel/core/main.c
index dcb66094e..15dfa7195 100644
--- a/devicemodel/core/main.c
+++ b/devicemodel/core/main.c
@@ -26,6 +26,10 @@
  * $FreeBSD$
  */
 
+#include <sys/syscall.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -248,6 +252,37 @@ high_bios_size(void)
 	return roundup2(size, 2 * MB);
 }
 
+static void
+adjust_schedule_policy(int policy, int prio)
+{
+	char tid_str[MAXLOGNAME];
+	ssize_t written;
+	int error, cg_task_fd;
+	struct sched_param sched_param;
+
+	error = snprintf(tid_str, MAXLOGNAME, "%ld", syscall(SYS_gettid));
+	if (error >= MAXLOGNAME) {
+		fprintf(stderr, "tid string overflow\r\n");
+		return;
+	}
+
+	cg_task_fd = open("/sys/fs/cgroup/cpu/task", O_RDWR);
+	if (cg_task_fd > 0) {
+		written = write(cg_task_fd, tid_str, strnlen(tid_str, MAXLOGNAME));
+		if (written < 0) {
+			fprintf(stderr, "can't add thread%s to cgroup\r\n", tid_str);
+		}
+	} else {
+		fprintf(stderr, "can't open cgroup task file\r\n");
+	}
+
+	sched_param.sched_priority = prio;
+	error = pthread_setschedparam(pthread_self(), policy, &sched_param);
+	if (error != 0) {
+		fprintf(stderr, "set vm_loop to SCHED_FIFO failed\r\n");
+	}
+}
+
 static void *
 start_thread(void *param)
 {
@@ -261,6 +296,8 @@ start_thread(void *param)
 	snprintf(tname, sizeof(tname), "vcpu %d", vcpu);
 	pthread_setname_np(mtp->mt_thr, tname);
 
+	adjust_schedule_policy(SCHED_FIFO, 10);
+
 	vm_loop(mtp->mt_ctx);
 
 	/* reset or halt */