Ticket #1426: scroll-timing.patch

xpra/server/window/window_video_source.py

@@ -1476 +1476 @@
         if 0 not in yscroll_values and 0 in distances:
             #(but do this last so we don't end up cutting too many rectangles)
             yscroll_values.append(0)
-        scrolllog(" will send scroll packets for yscroll=%s", yscroll_values)
+        now = time.time()
+        scrolllog(" will send scroll packets for yscroll=%s, elapsed=%ims", yscroll_values, (now-start)*1000)
         #keep track of the lines we have handled already:
         #(the same line may be available from multiple scroll directions)
+        sstart = time.time()
         handled = set()
         scrolls = []
         max_scrolls = 1000
@@ -1507 +1509 @@
                         break
                 if len(scrolls)>max_scrolls:
                     break
+        now = time.time()
+        scrolllog(" distance matching took %ims", (now-sstart)*1000)
 
+        sstart = time.time()
         non_scroll = []
         remaining = set(range(h))-handled
         if remaining:
@@ -1526 +1531 @@
             self.queue_damage_packet(packet)
             compresslog("compress: %5.1fms for %4ix%-4i pixels at %4i,%-4i for wid=%-5i using %6s as %3i rectangles  (%5iKB)           , sequence %5i, client_options=%s",
                  (end-start)*1000.0, w, h, x, y, self.wid, coding, len(scrolls), w*h*4/1024, self._damage_packet_sequence, client_options)
+        now = time.time()
+        scrolllog(" splitting took %ims", (now-sstart)*1000)
         #send the rest as rectangles:
         if non_scroll:
             nsstart = time.time()
@@ -1537 +1544 @@
             if encoding:
                 encode_fn = self._encoders[encoding]
                 for sy, sh in non_scroll:
+                    s = time.time()
                     sub = image.get_sub_image(0, sy, w, sh)
+                    scrolllog("sub_image %i pixels: %.1fms", (w*sh), (time.time()-s)*1000)
                     flush -= 1
                     ret = encode_fn(encoding, sub, options)
                     if not ret: