From c5060da1854d112a11ee20205d722f69a36b7dec Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Sun, 18 Aug 2019 14:28:56 +0200
Subject: [PATCH] Display unknown pid as unknown.

---
 server/TracyView.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index fd4584c9..4d879ce8 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -10426,7 +10426,8 @@ void View::DrawCpuDataWindow()
     for( auto& pidit : psort )
     {
         auto& pid = *pidit;
-        const auto expand = ImGui::TreeNode( RealToString( pid.first, true ) );
+        const auto pidtxt = pid.first == 0 ? "Unknown" : RealToString( pid.first, true );
+        const auto expand = ImGui::TreeNode( pidtxt );
         ImGui::NextColumn();
         ImGui::TextUnformatted( m_worker.GetExternalName( pid.second.tids[0] ).first );
         ImGui::NextColumn();