From bb71cd4ec43ade598907be37fbd4a42dc064ba80 Mon Sep 17 00:00:00 2001
From: Lauri Kasanen <cand@gmx.com>
Date: Thu, 1 Oct 2020 13:00:34 +0300
Subject: [PATCH] Have stats react faster to big cpu lag spikes

---
 common/rfb/VNCSConnectionST.cxx | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/common/rfb/VNCSConnectionST.cxx b/common/rfb/VNCSConnectionST.cxx
index fc4581d..6391d9e 100644
--- a/common/rfb/VNCSConnectionST.cxx
+++ b/common/rfb/VNCSConnectionST.cxx
@@ -1259,6 +1259,17 @@ void VNCSConnectionST::writeDataUpdate()
     if (ms >= limit) {
         bstats[BS_CPU_SLOW].push_back(lastRealUpdate);
         bstats_total[BS_CPU_SLOW]++;
+
+        // If it was several frames' worth, add several so as to react faster
+        int i = ms / limit;
+        i--;
+        for (; i > 0; i--) {
+            bstats[BS_CPU_SLOW].push_back(lastRealUpdate);
+            bstats_total[BS_CPU_SLOW]++;
+
+            bstats[BS_FRAME].push_back(lastRealUpdate);
+            bstats_total[BS_FRAME]++;
+        }
     } else if (ms >= limit * 0.8f) {
         bstats[BS_CPU_CLOSE].push_back(lastRealUpdate);
         bstats_total[BS_CPU_CLOSE]++;