reapply logs (#124)

Author: hannojg

packages/react-native/ReactAndroid/src/main/jni/react/fabric/FabricUIManagerBinding.cpp

@@ -631,10 +631,18 @@ void FabricUIManagerBinding::schedulerShouldRenderTransactions(
         /* willPerformAsynchronously = */ true);
     if (mountingTransaction.has_value()) {
       auto transaction = std::move(*mountingTransaction);
+      LOG(WARNING) << "⚙️ schedulerShouldRenderTransactions (enableAccumulatedUpdatesInRawPropsAndroid), items: "
+                   << mountingTransaction->getMutations().size()
+                   << " pending mounting transaction(s) for new base revision: "
+                   << mountingCoordinator->getBaseRevision().number;
       mountingManager->executeMount(transaction);
     }
   } else {
     std::vector<MountingTransaction> pendingTransactions;
+    LOG(WARNING) << "⚙️ schedulerShouldRenderTransactions "
+                 << pendingTransactions_.size()
+                 << " pending mounting transaction(s) for new base revision: "
+                 << mountingCoordinator->getBaseRevision().number;
 
     {
       // Retain the lock to access the pending transactions but not to execute

packages/react-native/ReactCommon/react/renderer/mounting/MountingCoordinator.cpp

@@ -95,6 +95,8 @@ std::optional<MountingTransaction> MountingCoordinator::pullTransaction(
 
     telemetry.willDiff();
 
+    LOG(WARNING) << "⚙️ Diffing revision " << baseRevision_.number
+                 << " to " << lastRevision_->number;
     auto mutations = calculateShadowViewMutations(
         *baseRevision_.rootShadowNode, *lastRevision_->rootShadowNode);
 

packages/react-native/ReactCommon/react/renderer/mounting/ShadowTree.cpp

@@ -395,9 +395,15 @@ void ShadowTree::mount(ShadowTreeRevision revision, bool mountSynchronously)
     // TODO: can a mount cause another mount, so we have to care about reentrancy?
     lock = std::unique_lock<std::shared_mutex>(mountMutex_);
   }
+
+  LOG(WARNING) << "⚙️ Mounting revision " << revision.number
+               << " (" << (mountSynchronously ? "synchronously" : "asynchronously") << ")"
+               << ", shouldLock: " << (shouldLock ? "true" : "false");
   mountingCoordinator_->push(std::move(revision));
   delegate_.shadowTreeDidFinishTransaction(
       mountingCoordinator_, mountSynchronously);
+  LOG(WARNING) << "☑️ Finished mount-phase revision " << revision.number
+               << " (" << (mountSynchronously ? "synchronously" : "asynchronously") << ")";
 }
 
 void ShadowTree::commitEmptyTree() const {