From d0bf764257ca11fd24c1029c96060f1d25cc9b08 Mon Sep 17 00:00:00 2001
From: Daniel Dresser <danield@image-engine.com>
Date: Fri, 28 Nov 2025 18:56:35 -0800
Subject: [PATCH] Prototype : Profile Focus Node Menu Option

---
 startup/gui/performanceMonitor.py | 48 +++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/startup/gui/performanceMonitor.py b/startup/gui/performanceMonitor.py
index 1074a676d9e..a709b280ed1 100644
--- a/startup/gui/performanceMonitor.py
+++ b/startup/gui/performanceMonitor.py
@@ -85,6 +85,41 @@ def __clearPerformanceMonitor( menu ) :
 	del script.__performanceMonitor
 	Gaffer.MonitorAlgo.removePerformanceAnnotations( script )
 
+def __evaluateFocusNode( script ) :
+	import GafferImage
+	import GafferImageTest
+	import GafferScene
+	import GafferSceneTest
+
+	for i in script.focusSet():
+		for p in Gaffer.Plug.RecursiveOutputRange( i ) :
+			if p.isInstanceOf( GafferImage.ImagePlug ):
+				GafferImageTest.processTiles( p )
+				return
+			if p.isInstanceOf( GafferScene.ScenePlug ):
+				GafferSceneTest.traverseScene( p )
+				return
+
+	IECore.msg( IECore.Msg.Level.Error, "Performance Monitor", "No image or scene plug found to evaluate" )
+
+def __profileFocusNodeEvaluation( menu ) :
+
+	script = menu.ancestor( GafferUI.ScriptWindow ).scriptNode()
+	performanceMonitor = __performanceMonitor( menu )
+	if performanceMonitor:
+		del script.__performanceMonitor
+		Gaffer.MonitorAlgo.removePerformanceAnnotations( script )
+
+	__clearCaches( menu )
+
+	__startPerformanceMonitor( menu )
+
+	__evaluateFocusNode( script )
+
+	__stopPerformanceMonitor( menu )
+	imagePlug = None
+	scenePlug = None
+
 def __currentContextMonitor( menu ) :
 
 	# We store a monitor per script, so that we don't pollute
@@ -166,6 +201,19 @@ def __profilingSubMenu( menu ) :
 			"active" : performanceMonitor is not None and not performanceMonitor.__running
 		}
 	)
+	result.append(
+		"/Performance Monitor/Divider2",
+		{
+			"divider" : True,
+		}
+	)
+	result.append(
+		"/Performance Monitor/Profile Focus Node Evaluation",
+		{
+			"command" : __profileFocusNodeEvaluation,
+			"active" : not ( performanceMonitor and performanceMonitor.__running )
+		}
+	)
 
 	# ContextMonitor