diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index a79019f522..75013100f5 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -54,6 +54,14 @@
 
 #define ETHDEV_FWVERS_LEN 32
 
+#ifdef CLOCK_MONOTONIC_RAW /* Defined in glibc bits/time.h */
+#define CLOCK_TYPE_ID CLOCK_MONOTONIC_RAW
+#else
+#define CLOCK_TYPE_ID CLOCK_MONOTONIC
+#endif
+
+#define NS_PER_SEC 1E9
+
 static char *flowtype_to_str(uint16_t flow_type);
 
 static const struct {
@@ -139,9 +147,10 @@ nic_stats_display(portid_t port_id)
 	static uint64_t prev_pkts_tx[RTE_MAX_ETHPORTS];
 	static uint64_t prev_bytes_rx[RTE_MAX_ETHPORTS];
 	static uint64_t prev_bytes_tx[RTE_MAX_ETHPORTS];
-	static uint64_t prev_cycles[RTE_MAX_ETHPORTS];
+	static uint64_t prev_ns[RTE_MAX_ETHPORTS];
+	struct timespec cur_time;
 	uint64_t diff_pkts_rx, diff_pkts_tx, diff_bytes_rx, diff_bytes_tx,
-								diff_cycles;
+								diff_ns;
 	uint64_t mpps_rx, mpps_tx, mbps_rx, mbps_tx;
 	struct rte_eth_stats stats;
 	struct rte_port *port = &ports[port_id];
@@ -198,10 +207,17 @@ nic_stats_display(portid_t port_id)
 		}
 	}
 
-	diff_cycles = prev_cycles[port_id];
-	prev_cycles[port_id] = rte_rdtsc();
-	if (diff_cycles > 0)
-		diff_cycles = prev_cycles[port_id] - diff_cycles;
+	diff_ns = 0;
+	if (clock_gettime(CLOCK_TYPE_ID, &cur_time) == 0) {
+		uint64_t ns;
+
+		ns = cur_time.tv_sec * NS_PER_SEC;
+		ns += cur_time.tv_nsec;
+
+		if (prev_ns[port_id] != 0)
+			diff_ns = ns - prev_ns[port_id];
+		prev_ns[port_id] = ns;
+	}
 
 	diff_pkts_rx = (stats.ipackets > prev_pkts_rx[port_id]) ?
 		(stats.ipackets - prev_pkts_rx[port_id]) : 0;
@@ -209,10 +225,10 @@ nic_stats_display(portid_t port_id)
 		(stats.opackets - prev_pkts_tx[port_id]) : 0;
 	prev_pkts_rx[port_id] = stats.ipackets;
 	prev_pkts_tx[port_id] = stats.opackets;
-	mpps_rx = diff_cycles > 0 ?
-		diff_pkts_rx * rte_get_tsc_hz() / diff_cycles : 0;
-	mpps_tx = diff_cycles > 0 ?
-		diff_pkts_tx * rte_get_tsc_hz() / diff_cycles : 0;
+	mpps_rx = diff_ns > 0 ?
+		(double)diff_pkts_rx / diff_ns * NS_PER_SEC : 0;
+	mpps_tx = diff_ns > 0 ?
+		(double)diff_pkts_tx / diff_ns * NS_PER_SEC : 0;
 
 	diff_bytes_rx = (stats.ibytes > prev_bytes_rx[port_id]) ?
 		(stats.ibytes - prev_bytes_rx[port_id]) : 0;
@@ -220,10 +236,10 @@ nic_stats_display(portid_t port_id)
 		(stats.obytes - prev_bytes_tx[port_id]) : 0;
 	prev_bytes_rx[port_id] = stats.ibytes;
 	prev_bytes_tx[port_id] = stats.obytes;
-	mbps_rx = diff_cycles > 0 ?
-		diff_bytes_rx * rte_get_tsc_hz() / diff_cycles : 0;
-	mbps_tx = diff_cycles > 0 ?
-		diff_bytes_tx * rte_get_tsc_hz() / diff_cycles : 0;
+	mbps_rx = diff_ns > 0 ?
+		(double)diff_bytes_rx / diff_ns * NS_PER_SEC : 0;
+	mbps_tx = diff_ns > 0 ?
+		(double)diff_bytes_tx / diff_ns * NS_PER_SEC : 0;
 
 	printf("\n  Throughput (since last show)\n");
 	printf("  Rx-pps: %12"PRIu64"          Rx-bps: %12"PRIu64"\n  Tx-pps: %12"