diff --git a/net/core/dev.c b/net/core/dev.c
index 828ecca03..17d44fde4 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4821,6 +4821,18 @@ static inline int nf_ingress(struct sk_buff *skb, struct packet_type **pt_prev,
 static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc,
 				    struct packet_type **ppt_prev)
 {
+	{
+		
+		static volatile unsigned long ipe_last_time;
+		struct timespec t;
+		getnstimeofday(&t);
+		unsigned long t_ms = t.tv_sec * 1000ul + t.tv_nsec / 1000000ul;
+		unsigned long last = ipe_last_time;
+		if(t_ms > last + 50) {
+				printk(KERN_ALERT "****** NETIF_R_S_C DELAY!!! %lu\n", t_ms - last);
+		}
+		ipe_last_time = t_ms;
+	}
 	struct packet_type *ptype, *pt_prev;
 	rx_handler_func_t *rx_handler;
 	struct net_device *orig_dev;
@@ -4834,6 +4846,18 @@ static int __netif_receive_skb_core(struct sk_buff *skb, bool pfmemalloc,
 
 	orig_dev = skb->dev;
 
+	if(strcmp(orig_dev->name, "eth0") == 0) {
+		static volatile unsigned long ipe_last_time2;
+		struct timespec t;
+		getnstimeofday(&t);
+		unsigned long t_ms = t.tv_sec * 1000ul + t.tv_nsec / 1000000ul;
+		unsigned long last = ipe_last_time2;
+		if(t_ms > last + 50) {
+				printk(KERN_ALERT "****** NETIF_R_S_C eth0 DELAY!!! %lu\n", t_ms - last);
+		}
+		ipe_last_time2 = t_ms;
+	}
+
 	skb_reset_network_header(skb);
 	if (!skb_transport_header_was_set(skb))
 		skb_reset_transport_header(skb);