[DevTools] Track Tree Base Duration of Virtual Instances #30817
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These don't have their own time since they don't take up any time to render but they show up in the tree for context. However they never render themselves. Their base tree time is the base time of their children.
We don't track the difference between a virtual instance and a Fiber that didn't render this update. This might be a bit confusing as to why it didn't render. I add the word "client" to make it a bit clearer. But really we should probably have different verbiage here based on it is a Server Component or something else.
Cloning the Map isn't really all that super fast anyway and it means we have to maintain the map continuously as we render. Instead, we can track it on the instances and then walk the instances to create a snapshot when starting to profile. This isn't as fast but really fast too and requires less bookkeeping while rendering.
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React Core Team
sebmarkbage
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Aug 26, 2024
| @@ -155,6 +155,7 @@ type FiberInstance = { | |||
| componentStack: null | string, | |||
| errors: null | Map<string, number>, // error messages and count | |||
| warnings: null | Map<string, number>, // warning messages and count | |||
| treeBaseDuration: number, // the profiled time of the last render of this subtree | |||
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This is one unnecessary field when isProfilingSupported isn't true (i.e. in production only builds). We could potentially make that conditionally added based on build but doesn't seem worth it. It's not worse otherwise since we added a map entry for everything otherwise.
hoxyq
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Aug 27, 2024
This was referenced Aug 28, 2024
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Sep 25, 2024
Full list of changes: * refactor: data source for errors and warnings tracking is now in Store ([hoxyq](https://github.com/hoxyq) in [#31010](#31010)) * fix: consider alternate as a key for componentLogsEntry when inspecting raw fiber instance ([hoxyq](https://github.com/hoxyq) in [#31009](#31009)) * Fix: profiling crashes #30661 #28838 ([EdmondChuiHW](https://github.com/EdmondChuiHW) in [#31024](#31024)) * chore: remove using local storage for persisting console settings on the frontend ([hoxyq](https://github.com/hoxyq) in [#31002](#31002)) * feat: display message if user ended up opening hook script ([hoxyq](https://github.com/hoxyq) in [#31000](#31000)) * feat: expose installHook with settings argument from react-devtools-core/backend ([hoxyq](https://github.com/hoxyq) in [#30987](#30987)) * chore: remove settings manager from react-devtools-core ([hoxyq](https://github.com/hoxyq) in [#30986](#30986)) * feat[react-devtools/extension]: use chrome.storage to persist settings across sessions ([hoxyq](https://github.com/hoxyq) in [#30636](#30636)) * refactor[react-devtools]: propagate settings from global hook object to frontend ([hoxyq](https://github.com/hoxyq) in [#30610](#30610)) * chore[react-devtools]: extract some utils into separate modules to unify implementations ([hoxyq](https://github.com/hoxyq) in [#30597](#30597)) * refactor[react-devtools]: move console patching to global hook ([hoxyq](https://github.com/hoxyq) in [#30596](#30596)) * refactor[react-devtools]: remove browserTheme from ConsolePatchSettings ([hoxyq](https://github.com/hoxyq) in [#30566](#30566)) * feat[react-devtools]: add settings to global hook object ([hoxyq](https://github.com/hoxyq) in [#30564](#30564)) * fix: add Error prefix to Error objects names ([hoxyq](https://github.com/hoxyq) in [#30969](#30969)) * Add enableComponentPerformanceTrack Flag ([sebmarkbage](https://github.com/sebmarkbage) in [#30960](#30960)) * fix[rdt/fiber/renderer.js]: getCurrentFiber can be injected as null ([hoxyq](https://github.com/hoxyq) in [#30968](#30968)) * disable `enableSiblingPrerendering` in experimental channel ([gnoff](https://github.com/gnoff) in [#30952](#30952)) * refactor[react-devtools]: initialize renderer interface early ([hoxyq](https://github.com/hoxyq) in [#30946](#30946)) * Start prerendering Suspense retries immediately ([acdlite](https://github.com/acdlite) in [#30934](#30934)) * refactor[Agent/Store]: Store to send messages only after Agent is initialized ([hoxyq](https://github.com/hoxyq) in [#30945](#30945)) * refactor[RendererInterface]: expose onErrorOrWarning and getComponentStack ([hoxyq](https://github.com/hoxyq) in [#30931](#30931)) * Implement getComponentStack and onErrorOrWarning for replayed Flight logs ([sebmarkbage](https://github.com/sebmarkbage) in [#30930](#30930)) * Use Unicode Atom Symbol instead of Atom Emoji ([sebmarkbage](https://github.com/sebmarkbage) in [#30832](#30832)) * Improve Layering Between Console and Renderer ([sebmarkbage](https://github.com/sebmarkbage) in [#30925](#30925)) * Add Map for Server Component Logs ([sebmarkbage](https://github.com/sebmarkbage) in [#30905](#30905)) * Delete fiberToFiberInstanceMap ([sebmarkbage](https://github.com/sebmarkbage) in [#30900](#30900)) * Add Flight Renderer ([sebmarkbage](https://github.com/sebmarkbage) in [#30906](#30906)) * Refactor Error / Warning Count Tracking ([sebmarkbage](https://github.com/sebmarkbage) in [#30899](#30899)) * [flow] Upgrade Flow to 0.245.2 ([SamChou19815](https://github.com/SamChou19815) in [#30919](#30919)) * Separate RDT Fusebox into single-panel entry points ([huntie](https://github.com/huntie) in [#30708](#30708)) * Build Updater List from the Commit instead of Map ([sebmarkbage](https://github.com/sebmarkbage) in [#30897](#30897)) * Simplify Context Change Tracking in Profiler ([sebmarkbage](https://github.com/sebmarkbage) in [#30896](#30896)) * Remove use of .alternate in root and recordProfilingDurations ([sebmarkbage](https://github.com/sebmarkbage) in [#30895](#30895)) * Handle reordered contexts in Profiler ([sebmarkbage](https://github.com/sebmarkbage) in [#30887](#30887)) * Refactor Forcing Fallback / Error of Suspense / Error Boundaries ([sebmarkbage](https://github.com/sebmarkbage) in [#30870](#30870)) * Avoid getFiberIDUnsafe in debug() Helper ([sebmarkbage](https://github.com/sebmarkbage) in [#30878](#30878)) * Include some Filtered Fiber Instances ([sebmarkbage](https://github.com/sebmarkbage) in [#30865](#30865)) * Track root instances in a root Map ([sebmarkbage](https://github.com/sebmarkbage) in [#30875](#30875)) * Track all public HostInstances in a Map ([sebmarkbage](https://github.com/sebmarkbage) in [#30831](#30831)) * Support VirtualInstances in findAllCurrentHostInstances ([sebmarkbage](https://github.com/sebmarkbage) in [#30853](#30853)) * Add Filtering of Environment Names ([sebmarkbage](https://github.com/sebmarkbage) in [#30850](#30850)) * Support secondary environment name when it changes ([sebmarkbage](https://github.com/sebmarkbage) in [#30842](#30842)) * Increase max payload for websocket in standalone app ([runeb](https://github.com/runeb) in [#30848](#30848)) * Filter Server Components ([sebmarkbage](https://github.com/sebmarkbage) in [#30839](#30839)) * Track virtual instances on the tracked path for selections ([sebmarkbage](https://github.com/sebmarkbage) in [#30802](#30802)) * Remove displayName from inspected data ([sebmarkbage](https://github.com/sebmarkbage) in [#30841](#30841)) * chore[react-devtools/hook]: remove unused native values ([hoxyq](https://github.com/hoxyq) in [#30827](#30827)) * chore[react-devtools/extensions]: remove unused storage permission ([hoxyq](https://github.com/hoxyq) in [#30826](#30826)) * fix[react-devtools/extensions]: fixed tabs API calls and displaying restricted access popup ([hoxyq](https://github.com/hoxyq) in [#30825](#30825)) * feat[react-devtools]: support Manifest v3 for Firefox extension ([hoxyq](https://github.com/hoxyq) in [#30824](#30824)) * Reconcile Fibers Against Previous Children Instances ([sebmarkbage](https://github.com/sebmarkbage) in [#30822](#30822)) * Remove findCurrentFiberUsingSlowPathByFiberInstance ([sebmarkbage](https://github.com/sebmarkbage) in [#30818](#30818)) * Track Tree Base Duration of Virtual Instances ([sebmarkbage](https://github.com/sebmarkbage) in [#30817](#30817)) * Use Owner Stacks to Implement View Source of a Server Component ([sebmarkbage](https://github.com/sebmarkbage) in [#30798](#30798)) * Make function inspection instant ([sebmarkbage](https://github.com/sebmarkbage) in [#30786](#30786)) * Make Functions Clickable to Jump to Definition ([sebmarkbage](https://github.com/sebmarkbage) in [#30769](#30769)) * Support REACT_LEGACY_ELEMENT_TYPE for formatting JSX ([sebmarkbage](https://github.com/sebmarkbage) in [#30779](#30779)) * Find owners from the parent path that matches the Fiber or ReactComponentInfo ([sebmarkbage](https://github.com/sebmarkbage) in [#30717](#30717)) * [Flight/DevTools] Pass the Server Component's "key" as Part of the ReactComponentInfo ([sebmarkbage](https://github.com/sebmarkbage) in [#30703](#30703)) * Hide props section if it is null ([sebmarkbage](https://github.com/sebmarkbage) in [#30696](#30696)) * Support Server Components in Tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30684](#30684)) * fix[react-devtools/InspectedElement]: fixed border stylings when some of the panels are not rendered ([hoxyq](https://github.com/hoxyq) in [#30676](#30676)) * Compute new reordered child set from the instance tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30668](#30668)) * Unmount instance by walking the instance tree instead of the fiber tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30665](#30665)) * Further Refactoring of Unmounts ([sebmarkbage](https://github.com/sebmarkbage) in [#30658](#30658)) * Remove lodash.throttle ([sebmarkbage](https://github.com/sebmarkbage) in [#30657](#30657)) * Unmount by walking previous nodes no longer in the new tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30644](#30644)) * Build up DevTools Instance Shadow Tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30625](#30625)) * chore[packages/react-devtools]: remove unused index.js ([hoxyq](https://github.com/hoxyq) in [#30579](#30579)) * Track DOM nodes to Fiber map for HostHoistable Resources ([sebmarkbage](https://github.com/sebmarkbage) in [#30590](#30590)) * Rename mountFiberRecursively/updateFiberRecursively ([sebmarkbage](https://github.com/sebmarkbage) in [#30586](#30586)) * Allow Highlighting/Inspect HostSingletons/Hoistables and Resources ([sebmarkbage](https://github.com/sebmarkbage) in [#30584](#30584)) * chore[react-devtools]: add global for native and use it to fork backend implementation ([hoxyq](https://github.com/hoxyq) in [#30533](#30533)) * Enable pointEvents while scrolling ([sebmarkbage](https://github.com/sebmarkbage) in [#30560](#30560)) * Make Element Inspection Feel Snappy ([sebmarkbage](https://github.com/sebmarkbage) in [#30555](#30555)) * Track the parent DevToolsInstance while mounting a tree ([sebmarkbage](https://github.com/sebmarkbage) in [#30542](#30542)) * Add DevToolsInstance to Store Stateful Information ([sebmarkbage](https://github.com/sebmarkbage) in [#30517](#30517)) * Implement "best renderer" by taking the inner most matched node ([sebmarkbage](https://github.com/sebmarkbage) in [#30494](#30494)) * Rename NativeElement to HostInstance in the Bridge ([sebmarkbage](https://github.com/sebmarkbage) in [#30491](#30491)) * Rename Fiber to Element in the Bridge Protocol and RendererInterface ([sebmarkbage](https://github.com/sebmarkbage) in [#30490](#30490)) * Stop filtering owner stacks ([sebmarkbage](https://github.com/sebmarkbage) in [#30438](#30438)) * [Fiber] Call life-cycles with a react-stack-bottom-frame stack frame ([sebmarkbage](https://github.com/sebmarkbage) in [#30429](#30429)) * [Flight] Prefix owner stacks added to the console.log with the current stack ([sebmarkbage](https://github.com/sebmarkbage) in [#30427](#30427)) * [BE] switch to hermes parser for prettier ([kassens](https://github.com/kassens) in [#30421](#30421)) * Implement Owner Stacks ([sebmarkbage](https://github.com/sebmarkbage) in [#30417](#30417)) * [BE] upgrade prettier to 3.3.3 ([kassens](https://github.com/kassens) in [#30420](#30420)) * [ci] Add yarn_test_build job to gh actions * [Fizz] Refactor Component Stack Nodes ([sebmarkbage](https://github.com/sebmarkbage) in [#30298](#30298)) * Print component stacks as error objects to get source mapping ([sebmarkbage](https://github.com/sebmarkbage) in [#30289](#30289)) * Upgrade flow to 0.235.0 ([kassens](https://github.com/kassens) in [#30118](#30118)) * fix: path handling in react devtools ([Jack-Works](https://github.com/Jack-Works) in [#29199](#29199))
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These don't have their own time since they don't take up any time to render but they show up in the tree for context. However they never render themselves. Their base tree time is the base time of their children. This way they take up the same space as their combined children in the Profiler tree. (Instead of leaving a blank line which they did before this PR.)
The frontend doesn't track the difference between a virtual instance and a Fiber that didn't render this update. This might be a bit confusing as to why it didn't render. I add the word "client" to make it a bit clearer and works for both. We should probably have different verbiage here based on it is a Server Component or something else.
I also took the opportunity to remove idToTreeBaseDurationMap and idToRootMap maps. Cloning the Map isn't really all that super fast anyway and it means we have to maintain the map continuously as we render. Instead, we can track it on the instances and then walk the instances to create a snapshot when starting to profile. This isn't as fast but really fast too and requires less bookkeeping while rendering instead which is more sensitive than that one snapshot in the beginning.