From: Michal Sojka <sojkam1@fel.cvut.cz>
Date: Sat, 28 Nov 2009 17:08:38 +0000 (+0100)
Subject: Print statistics about packet sizes
X-Git-Url: https://rtime.felk.cvut.cz/gitweb/frescor/streamer.git/commitdiff_plain/830753ef8f21238250883494cc2f96d76fd24436

Print statistics about packet sizes
---

diff --git a/streamer.c b/streamer.c
index 635593f..72cfaeb 100644
--- a/streamer.c
+++ b/streamer.c
@@ -159,6 +159,8 @@ void* streamer_run(void* args)
   int frame = 0;
   int fps_avg = 0;
   struct timespec start, end, d;
+  static unsigned max_size = 0, min_size = -1;
+  static double avg_size = 0;
   clock_gettime(CLOCK_MONOTONIC, &start);
   done = 0;
   while (!(done = streamer_run_done_rq)) {
@@ -183,11 +185,17 @@ void* streamer_run(void* args)
 	  int fps_now = (1000<<8)/(d.tv_sec*1000+d.tv_nsec/1000000);
 	  start = end;
 	  fps_avg += (fps_now - fps_avg) >> 3;
-	
-	  printf("%5d: %d fps  opkt size: %d\n",
+
+	  if (opkt->size > max_size)
+		  max_size = opkt->size;
+	  if (opkt->size < min_size)
+		  min_size = opkt->size;
+	  avg_size = avg_size*frame/(frame+1) + (double)opkt->size/(frame+1);
+	  printf("%5d: %2d fps  opkt size: %5d b  max=%5u b min=%5u b avg=%5.0f\n",
 		 frame,
 		 fps_avg>>8,
-		 opkt->size);
+		 opkt->size, max_size, min_size, avg_size);
+	  if (frame % 100 == 0) max_size=0;
 	  frame++;// = (frame + 1) % fps;
         }
       }