Rewrite tracing, fix bugs, add simple monitoring

dpdk.c

@@ -4,13 +4,14 @@
 #define RTE_TEST_TX_DESC_DEFAULT 1024
 static uint16_t nb_rxd = RTE_TEST_RX_DESC_DEFAULT;
 static uint16_t nb_txd = RTE_TEST_TX_DESC_DEFAULT;
-struct rte_mempool *mbuf_pool;
+struct rte_mempool *tx_mbuf_pool;
+struct rte_mempool *rx_mbuf_pool;
 struct rte_ether_addr s_addr;
 struct rte_ether_addr d_addr;
 static const struct rte_eth_conf port_conf_default = {
   .rxmode = { .max_lro_pkt_size = RTE_ETHER_MAX_LEN }
 };
-static inline int port_init(int portid, struct rte_mempool *mbuf_pool) {
+static inline int port_init(int portid, struct rte_mempool *rx_mbuf_pool) {
   struct rte_eth_conf port_conf = port_conf_default;
   const uint16_t rx_rings = 1, tx_rings = 1;
   int retval;
@@ -23,7 +24,7 @@ static inline int port_init(int portid, struct rte_mempool *mbuf_pool) {
   /* Allocate and set up 1 RX queue per Ethernet port. */
   for (q = 0; q < rx_rings; q++) {
     retval = rte_eth_rx_queue_setup(portid, q, nb_rxd,
-        rte_eth_dev_socket_id(portid), NULL, mbuf_pool);
+        rte_eth_dev_socket_id(portid), NULL, rx_mbuf_pool);
     if (retval < 0)
       return retval;
   }
@@ -55,13 +56,17 @@ static void init_dpdk(int argc, char ** argv) {
   argv += ret;
 
   nb_mbufs = RTE_MAX((nb_rxd + nb_txd + BURST_SIZE + MEMPOOL_CACHE_SIZE), 8192U);
-  nb_mbufs = 1024U * 16;
+  nb_mbufs = 1024U * 16 - 1;
 
-  mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", nb_mbufs,
-      MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
-  if (mbuf_pool == NULL)
-    rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");
+  tx_mbuf_pool = rte_pktmbuf_pool_create("TX_MBUF_POOL", nb_mbufs,
+      MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, SOCKET_ID_ANY);
+  if (tx_mbuf_pool == NULL)
+    rte_exit(EXIT_FAILURE, "Cannot create tx mbuf pool\n");
+  rx_mbuf_pool = rte_pktmbuf_pool_create("RX_MBUF_POOL", nb_mbufs,
+      MEMPOOL_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, SOCKET_ID_ANY);
+  if (rx_mbuf_pool == NULL)
+    rte_exit(EXIT_FAILURE, "Cannot create rx mbuf pool\n");
 
-  if (port_init(0, mbuf_pool) != 0)
+  if (port_init(0, rx_mbuf_pool) != 0)
     rte_exit(EXIT_FAILURE, "Cannot init port %"PRIu8 "\n", 0);
 }

utils.c

@@ -36,7 +36,7 @@ static inline void log_limit(const char * section, const char * msg, ...) {
   puts(line);
 }
 
-#if 0
+#if 1
 static void log_info(const char * section, const char * msg, ...) {
   time_t t;
   struct tm ts;