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[Fiber] Profiler - Use two separate functions instead of branch by flag #30957

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merged 1 commit into from
Sep 14, 2024
Merged

[Fiber] Profiler - Use two separate functions instead of branch by flag #30957

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13 changes: 7 additions & 6 deletions packages/react-reconciler/src/ReactFiberWorkLoop.js
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Original file line number Diff line number Diff line change
Expand Up @@ -225,7 +225,8 @@ import {
recordCommitTime,
resetNestedUpdateFlag,
startProfilerTimer,
stopProfilerTimerIfRunningAndRecordDelta,
stopProfilerTimerIfRunningAndRecordDuration,
stopProfilerTimerIfRunningAndRecordIncompleteDuration,
syncNestedUpdateFlag,
} from './ReactProfilerTimer';

Expand Down Expand Up @@ -1844,7 +1845,7 @@ function handleThrow(root: FiberRoot, thrownValue: any): void {
// Record the time spent rendering before an error was thrown. This
// avoids inaccurate Profiler durations in the case of a
// suspended render.
stopProfilerTimerIfRunningAndRecordDelta(erroredWork, true);
stopProfilerTimerIfRunningAndRecordDuration(erroredWork);
}

if (enableSchedulingProfiler) {
Expand Down Expand Up @@ -2516,7 +2517,7 @@ function performUnitOfWork(unitOfWork: Fiber): void {
} else {
next = beginWork(current, unitOfWork, entangledRenderLanes);
}
stopProfilerTimerIfRunningAndRecordDelta(unitOfWork, true);
stopProfilerTimerIfRunningAndRecordDuration(unitOfWork);
} else {
if (__DEV__) {
next = runWithFiberInDEV(
Expand Down Expand Up @@ -2660,7 +2661,7 @@ function replayBeginWork(unitOfWork: Fiber): null | Fiber {
}
}
if (isProfilingMode) {
stopProfilerTimerIfRunningAndRecordDelta(unitOfWork, true);
stopProfilerTimerIfRunningAndRecordDuration(unitOfWork);
}

return next;
Expand Down Expand Up @@ -2851,7 +2852,7 @@ function completeUnitOfWork(unitOfWork: Fiber): void {
next = completeWork(current, completedWork, entangledRenderLanes);
}
// Update render duration assuming we didn't error.
stopProfilerTimerIfRunningAndRecordDelta(completedWork, false);
stopProfilerTimerIfRunningAndRecordIncompleteDuration(completedWork);
}

if (next !== null) {
Expand Down Expand Up @@ -2909,7 +2910,7 @@ function unwindUnitOfWork(unitOfWork: Fiber, skipSiblings: boolean): void {

if (enableProfilerTimer && (incompleteWork.mode & ProfileMode) !== NoMode) {
// Record the render duration for the fiber that errored.
stopProfilerTimerIfRunningAndRecordDelta(incompleteWork, false);
stopProfilerTimerIfRunningAndRecordIncompleteDuration(incompleteWork);

// Include the time spent working on failed children before continuing.
let actualDuration = incompleteWork.actualDuration;
Expand Down
26 changes: 19 additions & 7 deletions packages/react-reconciler/src/ReactProfilerTimer.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,8 @@ export type ProfilerTimer = {
recordCommitTime(): void,
startProfilerTimer(fiber: Fiber): void,
stopProfilerTimerIfRunning(fiber: Fiber): void,
stopProfilerTimerIfRunningAndRecordDelta(fiber: Fiber): void,
stopProfilerTimerIfRunningAndRecordDuration(fiber: Fiber): void,
stopProfilerTimerIfRunningAndRecordIncompleteDuration(fiber: Fiber): void,
syncNestedUpdateFlag(): void,
...
};
Expand Down Expand Up @@ -112,9 +113,21 @@ function stopProfilerTimerIfRunning(fiber: Fiber): void {
profilerStartTime = -1;
}

function stopProfilerTimerIfRunningAndRecordDelta(
function stopProfilerTimerIfRunningAndRecordDuration(fiber: Fiber): void {
if (!enableProfilerTimer) {
return;
}

if (profilerStartTime >= 0) {
const elapsedTime = now() - profilerStartTime;
fiber.actualDuration += elapsedTime;
fiber.selfBaseDuration = elapsedTime;
profilerStartTime = -1;
}
}

function stopProfilerTimerIfRunningAndRecordIncompleteDuration(
fiber: Fiber,
overrideBaseTime: boolean,
): void {
if (!enableProfilerTimer) {
return;
Expand All @@ -123,9 +136,7 @@ function stopProfilerTimerIfRunningAndRecordDelta(
if (profilerStartTime >= 0) {
const elapsedTime = now() - profilerStartTime;
fiber.actualDuration += elapsedTime;
if (overrideBaseTime) {
fiber.selfBaseDuration = elapsedTime;
}
// We don't update the selfBaseDuration here because we errored.
profilerStartTime = -1;
}
}
Expand Down Expand Up @@ -233,7 +244,8 @@ export {
startPassiveEffectTimer,
startProfilerTimer,
stopProfilerTimerIfRunning,
stopProfilerTimerIfRunningAndRecordDelta,
stopProfilerTimerIfRunningAndRecordDuration,
stopProfilerTimerIfRunningAndRecordIncompleteDuration,
syncNestedUpdateFlag,
transferActualDuration,
};
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