/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#include "RootShadowNode.h"

#include <react/components/view/conversions.h>
#include <react/debug/SystraceSection.h>

namespace facebook {
namespace react {

const char RootComponentName[] = "RootView";

void RootShadowNode::layout() {
  SystraceSection s("RootShadowNode::layout");
  ensureUnsealed();
  layout(getProps()->layoutContext);

  // This is the rare place where shadow node must layout (set `layoutMetrics`)
  // itself because there is no a parent node which usually should do it.
  setLayoutMetrics(layoutMetricsFromYogaNode(yogaNode_));
}

} // namespace react
} // namespace facebook

/**
 * Copyright (c) Facebook, Inc. and its affiliates.
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */

#include "RootShadowNode.h"

#include <react/components/view/conversions.h>

namespace facebook {
namespace react {

const char RootComponentName[] = "RootView";

void RootShadowNode::layout() {
  ensureUnsealed();
  layout(getProps()->layoutContext);

  // This is the rare place where shadow node must layout (set `layoutMetrics`)
  // itself because there is no a parent node which usually should do it.
  setLayoutMetrics(layoutMetricsFromYogaNode(yogaNode_));
}

} // namespace react
} // namespace facebook

--- 
+++ 
@@ -8,6 +8,7 @@
 #include "RootShadowNode.h"
 
 #include <react/components/view/conversions.h>
+#include <react/debug/SystraceSection.h>
 
 namespace facebook {
 namespace react {
@@ -15,6 +16,7 @@
 const char RootComponentName[] = "RootView";
 
 void RootShadowNode::layout() {
+  SystraceSection s("RootShadowNode::layout");
   ensureUnsealed();
   layout(getProps()->layoutContext);
 
Add systrace to calculation of Yoga layout() in Fabric

Summary: Simple diff that adds a systrace to start measuring the calculation of Yoga layout() in Fabric

Reviewed By: shergin

Differential Revision: D13124641

fbshipit-source-id: 6bd03e9f56524221f5d91606ffde50253673c1bb
