Disable timestamping for packets. We achieve 12 mpps with netmap

src/fast_library.cpp

@@ -350,6 +350,12 @@ int extract_bit_value(uint8_t num, int bit) {
 std::string print_simple_packet(simple_packet packet) {
     std::stringstream buffer;
 
+    if (packet.ts.tv_sec == 0) {
+        // PF_RING and netmap do not generate timestamp for all packets because it's very CPU intensive operation
+        // But we want pretty attack report and fill it there
+        gettimeofday(&packet.ts, NULL);
+    }
+
     buffer<<convert_timeval_to_date(packet.ts)<<" ";
 
     buffer

src/netmap_plugin/netmap_collector.cpp

@@ -83,9 +83,13 @@ void consume_pkt(u_char* buffer, int len) {
     memset(&packet_header, 0, sizeof(packet_header));
     packet_header.len = len;
     packet_header.caplen = len;
-
-    fastnetmon_parse_pkt((u_char*)buffer, &packet_header, 4, 1, 0);
-
+
+    // We do not calculate timestamps because timestamping is very CPU intensive operation:
+    // https://github.com/ntop/PF_RING/issues/9 
+    u_int8_t timestamp = 0;
+    u_int8_t add_hash = 0;
+    fastnetmon_parse_pkt((u_char*)buffer, &packet_header, 4, timestamp, add_hash);
+
     //char print_buffer[512];
     //fastnetmon_print_parsed_pkt(print_buffer, 512, (u_char*)buffer, &packet_header);
     //logger.info("%s", print_buffer);

src/pfring_plugin/pfring_collector.cpp

@@ -165,7 +165,12 @@ void parse_packet_pf_ring(const struct pfring_pkthdr *h, const u_char *p, const
 
             // We should zeroify packet header because PFRING ZC did not do this!
             memset((void*)&h->extended_hdr.parsed_pkt, 0, sizeof(h->extended_hdr.parsed_pkt));
-            pfring_parse_pkt((u_char*)p, (struct pfring_pkthdr*)h, 4, 1, 0);
+
+	    // We do not calculate timestamps here because it's useless and consumes so much cpu
+            // https://github.com/ntop/PF_RING/issues/9
+            u_int8_t timestamp = 0;
+            u_int8_t add_hash = 0;
+            pfring_parse_pkt((u_char*)p, (struct pfring_pkthdr*)h, 4, timestamp, add_hash);
         }
     }