From 9413436ba1f6a4205fe2560fc6dbd00cd80d4b0b Mon Sep 17 00:00:00 2001
From: Eric Eaton <eric@nod-labs.com>
Date: Mon, 7 Jul 2025 17:55:50 -0700
Subject: [PATCH] Search backward for the correct zone

Needed to make tracing more intense applications work.
---
 server/TracyWorker.cpp | 12 +++++++++---
 1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 09e3cf8e..d438383d 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -6044,9 +6044,15 @@ void Worker::ProcessGpuZoneAnnotation( const QueueGpuZoneAnnotation& ev )
     // TODO: Get thread ID properly
     // TODO: Search for the query from the back
     assert( ctx->threadData.size() );
-    assert( ctx->threadData.begin()->second.timeline.size() );
-    auto & zone = ctx->threadData.begin()->second.timeline.back();
-    assert( zone->query_id == ev.queryId );
+    auto & timeline = ctx->threadData.begin()->second.timeline;
+    assert( timeline.size() );
+    ssize_t i = timeline.size() - 1;
+    for ( ; i >= 0 ; i--) {
+      if( timeline[i]->query_id == ev.queryId ) {
+        break;
+      }
+    }
+    auto& zone = timeline[i];
     assert( zone->note_count < 10 );
     zone->note_ids[zone->note_count] = ev.noteId;
     zone->note_vals[zone->note_count] = ev.value;