(netflow, flowd aggregate) add profile support, replace deepcopy for cheaper copy

src/opnsense/scripts/netflow/flowd_aggregate.py

@@ -74,7 +74,7 @@ def aggregate_flowd(do_vacuum=False):
             for stream_agg_object in stream_agg_objects:
                 # class add() may change the flow contents for processing, its better to isolate
                 # paremeters here.
-                flow_record_cpy = copy.deepcopy(flow_record)
+                flow_record_cpy = copy.copy(flow_record)
                 stream_agg_object.add(flow_record_cpy)
             prev_recv = flow_record['recv']
 
@@ -164,7 +164,23 @@ class Main(object):
 
 if len(sys.argv) > 1 and 'console' in sys.argv[1:]:
     # command line start
-    Main()
+    if 'profile' in sys.argv[1:]:
+        # start with profiling
+        import cProfile
+        import StringIO
+        import pstats
+
+        pr = cProfile.Profile(builtins=False)
+        pr.enable()
+        Main()
+        pr.disable()
+        s = StringIO.StringIO()
+        sortby = 'cumulative'
+        ps = pstats.Stats(pr, stream=s).sort_stats(sortby)
+        ps.print_stats()
+        print s.getvalue()
+    else:
+        Main()
 else:
     # Daemonize flowd aggregator
     daemon = Daemonize(app="flowd_aggregate", pid='/var/run/flowd_aggregate.pid', action=Main)