From 92ea670205383dc42d657bdb495dab81ce7ad013 Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Sun, 19 Nov 2023 20:15:27 +0400
Subject: [PATCH] Don't error on frame end without start in on-demand mode

With on-demand profiling we're very likely to connect in the middle of a
discontinuous frame and thus receive a frame end without any preceding
frame start. So don't error out in this case.
---
 server/TracyWorker.cpp | 4 +++-
 server/TracyWorker.hpp | 1 +
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/server/TracyWorker.cpp b/server/TracyWorker.cpp
index 90dac69c..e225bcdb 100644
--- a/server/TracyWorker.cpp
+++ b/server/TracyWorker.cpp
@@ -2756,6 +2756,7 @@ void Worker::Exec()
         m_captureTime = welcome.epoch;
         m_executableTime = welcome.exectime;
         m_ignoreMemFreeFaults = ( welcome.flags & WelcomeFlag::OnDemand ) || ( welcome.flags & WelcomeFlag::IsApple );
+        m_ignoreFrameEndFaults = welcome.flags & WelcomeFlag::OnDemand;
         m_data.cpuArch = (CpuArchitecture)welcome.cpuArch;
         m_codeTransfer = welcome.flags & WelcomeFlag::CodeTransfer;
         m_combineSamples = welcome.flags & WelcomeFlag::CombineSamples;
@@ -5079,7 +5080,8 @@ void Worker::ProcessFrameMarkEnd( const QueueFrameMark& ev )
     const auto time = TscTime( ev.time );
     if( fd->frames.empty() )
     {
-        FrameEndFailure();
+        if ( !m_ignoreFrameEndFaults )
+            FrameEndFailure();
         return;
     }
     assert( fd->frames.back().end == -1 );
diff --git a/server/TracyWorker.hpp b/server/TracyWorker.hpp
index 6ef503c9..b84b3ec9 100644
--- a/server/TracyWorker.hpp
+++ b/server/TracyWorker.hpp
@@ -980,6 +980,7 @@ private:
     int m_bufferOffset;
     bool m_onDemand;
     bool m_ignoreMemFreeFaults;
+    bool m_ignoreFrameEndFaults;
     bool m_codeTransfer;
     bool m_combineSamples;
     bool m_identifySamples = false;