From 8291e1e5c4c5a8e1c5e9d40192cd426c5be6a124 Mon Sep 17 00:00:00 2001
From: erikkaashoek <erik@kaashoek.com>
Date: Mon, 28 Nov 2022 13:58:42 +0100
Subject: [PATCH] Enable waterfall on calculated traces

---
 plot.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/plot.c b/plot.c
index eef5fb0..7f90f28 100644
--- a/plot.c
+++ b/plot.c
@@ -2010,6 +2010,14 @@ static void update_waterfall(void){
       break;
     }
   }
+  if (index == NULL) {
+    for (int t=0;t<TRACES_MAX;t++) {                      // Find trace with measurement
+      if (IS_TRACE_ENABLE(t)) {
+        index = trace_index_y[t];
+        break;
+      }
+    }
+  }
   if (index == NULL)
     return;
   int j = 0;