[Fiber] Try to give a stack trace to every entry in the Scheduler Performance Track

packages/react-reconciler/src/ReactFiberBeginWork.js

@@ -158,6 +158,7 @@ import {
   DefaultHydrationLane,
   SomeRetryLane,
   includesSomeLane,
+  includesOnlyRetries,
   laneToLanes,
   removeLanes,
   mergeLanes,
@@ -269,6 +270,7 @@ import {
   scheduleUpdateOnFiber,
   renderDidSuspendDelayIfPossible,
   markSkippedUpdateLanes,
+  markRenderDerivedCause,
   getWorkInProgressRoot,
   peekDeferredLane,
 } from './ReactFiberWorkLoop';
@@ -946,6 +948,13 @@ function updateDehydratedActivityComponent(
     // but after we've already committed once.
     warnIfHydrating();
 
+    if (includesSomeLane(renderLanes, (OffscreenLane: Lane))) {
+      // If we're rendering Offscreen and we're entering the activity then it's possible
+      // that the only reason we rendered was because this boundary left work. Provide
+      // it as a cause if another one doesn't already exist.
+      markRenderDerivedCause(workInProgress);
+    }
+
     if (
       // TODO: Factoring is a little weird, since we check this right below, too.
       !didReceiveUpdate
@@ -1132,6 +1141,16 @@ function updateActivityComponent(
       children: nextChildren,
     };
 
+    if (
+      includesSomeLane(renderLanes, (OffscreenLane: Lane)) &&
+      includesSomeLane(renderLanes, current.lanes)
+    ) {
+      // If we're rendering Offscreen and we're entering the activity then it's possible
+      // that the only reason we rendered was because this boundary left work. Provide
+      // it as a cause if another one doesn't already exist.
+      markRenderDerivedCause(workInProgress);
+    }
+
     const primaryChildFragment = updateWorkInProgressOffscreenFiber(
       currentChild,
       offscreenChildProps,
@@ -2515,6 +2534,17 @@ function updateSuspenseComponent(
       workInProgress.memoizedState = SUSPENDED_MARKER;
       return fallbackChildFragment;
     } else {
+      if (
+        prevState !== null &&
+        includesOnlyRetries(renderLanes) &&
+        includesSomeLane(renderLanes, current.lanes)
+      ) {
+        // If we're rendering Retry lanes and we're entering the primary content then it's possible
+        // that the only reason we rendered was because we left this boundary to be warmed up but
+        // nothing else scheduled an update. If so, use it as the cause of the render.
+        markRenderDerivedCause(workInProgress);
+      }
+
       pushPrimaryTreeSuspenseHandler(workInProgress);
 
       const nextPrimaryChildren = nextProps.children;
@@ -2873,6 +2903,13 @@ function updateDehydratedSuspenseComponent(
     // but after we've already committed once.
     warnIfHydrating();
 
+    if (includesSomeLane(renderLanes, (OffscreenLane: Lane))) {
+      // If we're rendering Offscreen and we're entering the activity then it's possible
+      // that the only reason we rendered was because this boundary left work. Provide
+      // it as a cause if another one doesn't already exist.
+      markRenderDerivedCause(workInProgress);
+    }
+
     if (isSuspenseInstanceFallback(suspenseInstance)) {
       // This boundary is in a permanent fallback state. In this case, we'll never
       // get an update and we'll never be able to hydrate the final content. Let's just try the

packages/react-reconciler/src/ReactFiberHooks.js

@@ -122,7 +122,10 @@ import {
   markStateUpdateScheduled,
   setIsStrictModeForDevtools,
 } from './ReactFiberDevToolsHook';
-import {startUpdateTimerByLane} from './ReactProfilerTimer';
+import {
+  startUpdateTimerByLane,
+  startHostActionTimer,
+} from './ReactProfilerTimer';
 import {createCache} from './ReactFiberCacheComponent';
 import {
   createUpdate as createLegacyQueueUpdate,
@@ -3239,6 +3242,8 @@ export function startHostTransition<F>(
     BasicStateAction<Thenable<TransitionStatus> | TransitionStatus>,
   > = stateHook.queue;
 
+  startHostActionTimer(formFiber);
+
   startTransition(
     formFiber,
     queue,