Ticket #999: log-queue-to-send.patch

xpra/server/window/window_source.py

@@ -1734 +1734 @@
         coding = packet[6]
         damage_packet_sequence = packet[8]
         actual_batch_delay = process_damage_time-damage_time
+        queue_time = monotonic_time()
         def start_send(bytecount):
             now = monotonic_time()
             self.statistics.damage_ack_pending[damage_packet_sequence] = [now, coding, bytecount, 0, 0, width*height]
+            log.info("queue to send delay (start): %3ims", 1000*(now-queue_time))
         def damage_packet_sent(bytecount):
             now = monotonic_time()
             stats = self.statistics.damage_ack_pending.get(damage_packet_sequence)
@@ -1747 +1749 @@
                 if damage_time>0:
                     damage_out_latency = now-process_damage_time
                     self.statistics.damage_out_latency.append((now, width*height, actual_batch_delay, damage_out_latency))
+            log.info("queue to send delay (end)  : %3ims", 1000*(now-queue_time))
         if damage_time>0:
             now = monotonic_time()
             damage_in_latency = now-process_damage_time