Scalability tests and log improvement

Change-Id: I510002ea48ecc17e86d771e85c79b85cadf08f32
diff --git a/Fabric/Utilities/src/python/oftest/dataplane.py b/Fabric/Utilities/src/python/oftest/dataplane.py
index 839fe9e..bc36d56 100644
--- a/Fabric/Utilities/src/python/oftest/dataplane.py
+++ b/Fabric/Utilities/src/python/oftest/dataplane.py
@@ -63,11 +63,15 @@
     #return e == p
     #some nic card have capature problem, will have more bytes capatured.
     if pkt.find(exp_pkt) >=0:
+        if self.config["dump_packet"]:
+            self.logger.debug("found pkt->"+(" ".join("{:02x}".format(ord(c)) for c in exp_pkt)))
+
         return True
     else:
         if self.config["dump_packet"]:
-            self.logger.debug("rx pkt    ->"+(" ".join("{:02x}".format(ord(c)) for c in pkt)))
-            self.logger.debug("expect pkt->"+(" ".join("{:02x}".format(ord(c)) for c in exp_pkt)))
+            pass
+            # self.logger.debug("rx pkt    ->"+(" ".join("{:02x}".format(ord(c)) for c in pkt)))
+            # self.logger.debug("expect pkt->"+(" ".join("{:02x}".format(ord(c)) for c in exp_pkt)))
 
         return False
 
@@ -246,15 +250,15 @@
                         # Enqueue packet
                         pkt, timestamp = port.recv()
                         port_number = port._port_number
-                        self.logger.debug("Pkt len %d in on port %d",
-                                          len(pkt), port_number)
+                        # self.logger.debug("Pkt len %d in on port %d",
+                        #                   len(pkt), port_number)
                         if self.pcap_writer:
                             self.pcap_writer.write(pkt, timestamp, port_number)
                         queue = self.packet_queues[port_number]
                         if len(queue) >= self.MAX_QUEUE_LEN:
                             # Queue full, throw away oldest
                             queue.pop(0)
-                            self.logger.debug("Discarding oldest packet to make room")
+                            # self.logger.debug("Discarding oldest packet to make room")
                         queue.append((pkt, timestamp))
                 self.cvar.notify_all()