app/testpmd: add --bitrate-stats option

[dpdk.git] / app / test-pmd / testpmd.c

diff --git a/app/test-pmd/testpmd.c b/app/test-pmd/testpmd.c
index 36a4701..6526018 100644 (file)
--- a/app/test-pmd/testpmd.c
+++ b/app/test-pmd/testpmd.c
@@ -355,8 +355,12 @@ uint16_t nb_rx_queue_stats_mappings = 0;
 
 unsigned max_socket = 0;
 
+#ifdef RTE_LIBRTE_BITRATE
 /* Bitrate statistics */
 struct rte_stats_bitrates *bitrate_data;
+lcoreid_t bitrate_lcore_id;
+uint8_t bitrate_enabled;
+#endif
 
 /* Forward function declarations */
 static void map_port_queue_stats_mapping_registers(uint8_t pi, struct rte_port *port);
@@ -951,12 +955,18 @@ run_pkt_fwd_on_lcore(struct fwd_lcore *fc, packet_fwd_t pkt_fwd)
                for (sm_id = 0; sm_id < nb_fs; sm_id++)
                        (*pkt_fwd)(fsm[sm_id]);
 #ifdef RTE_LIBRTE_BITRATE
-               tics_current = rte_rdtsc();
-               if (tics_current - tics_datum >= tics_per_1sec) {
-                       /* Periodic bitrate calculation */
-                       for (idx_port = 0; idx_port < cnt_ports; idx_port++)
-                               rte_stats_bitrate_calc(bitrate_data, idx_port);
-                       tics_datum = tics_current;
+               if (bitrate_enabled != 0 &&
+                               bitrate_lcore_id == rte_lcore_id()) {
+                       tics_current = rte_rdtsc();
+                       if (tics_current - tics_datum >= tics_per_1sec) {
+                               /* Periodic bitrate calculation */
+                               for (idx_port = 0;
+                                               idx_port < cnt_ports;
+                                               idx_port++)
+                                       rte_stats_bitrate_calc(bitrate_data,
+                                               idx_port);
+                               tics_datum = tics_current;
+                       }
                }
 #endif
 #ifdef RTE_LIBRTE_LATENCY_STATS
@@ -2227,6 +2237,9 @@ main(int argc, char** argv)
                rte_panic("Empty set of forwarding logical cores - check the "
                          "core mask supplied in the command parameters\n");
 
+       /* Bitrate stats disabled by default */
+       bitrate_enabled = 0;
+
        argc -= diag;
        argv += diag;
        if (argc > 1)
@@ -2264,10 +2277,13 @@ main(int argc, char** argv)
 
        /* Setup bitrate stats */
 #ifdef RTE_LIBRTE_BITRATE
-       bitrate_data = rte_stats_bitrate_create();
-       if (bitrate_data == NULL)
-               rte_exit(EXIT_FAILURE, "Could not allocate bitrate data.\n");
-       rte_stats_bitrate_reg(bitrate_data);
+       if (bitrate_enabled != 0) {
+               bitrate_data = rte_stats_bitrate_create();
+               if (bitrate_data == NULL)
+                       rte_exit(EXIT_FAILURE,
+                               "Could not allocate bitrate data.\n");
+               rte_stats_bitrate_reg(bitrate_data);
+       }
 #endif