100% CPU used after upgrading to Mojave

[laila-vinson]

Issue Type: Performance Issue

After upgrading Mac OS to Mojave, VSCode is now taking several minutes or more to respond to any code changes on one of my projects.

This is a Typescript/React project nested inside of a parent project. Neither the main project or the subproject are working. Other separate repos still work with VSCode.

I've uninstalled/reinstalled VSCode and removed all of my extensions. Both the main project and the subproject have node_modules in the "exclude" argument of their respective .tsconfig. The parent project also has the subproject excluded.

Here is a sample output of TS Server logs (path name slightly changed for privacy) and a screenshot of the Process Explorer. I can email the full TS Server logs if needed.

Thanks!

Info 91 [16:13:0.424] Running: *ensureProjectForOpenFiles* Info 92 [16:13:0.424] Structure before ensureProjectForOpenFiles: Info 93 [16:13:0.424] Project '/Users/lailavinson/<root>/<subproject root>/tsconfig.json' (Configured) 0 Info 93 [16:13:0.424] Files (446) /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es5.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2016.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2018.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2019.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.esnext.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.dom.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.dom.iterable.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.core.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.collection.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.generator.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.iterable.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.promise.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.proxy.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.reflect.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.symbol.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2015.symbol.wellknown.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2016.array.include.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.object.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.sharedmemory.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.string.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.intl.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2017.typedarrays.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2018.asynciterable.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2018.intl.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2018.promise.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2018.regexp.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2019.array.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2019.string.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.es2019.symbol.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.esnext.intl.d.ts /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/node_modules/typescript/lib/lib.esnext.bigint.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/react/global.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/csstype/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/prop-types/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/react/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/react-dom/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/redux/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/hoist-non-react-statics/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/react-redux/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/indefinite-observable/dist/types.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/indefinite-observable/dist/IndefiniteObservable.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/indefinite-observable/dist/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/jss/css.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@types/jss/index.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/styles/createGenerateClassName.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/styles/createBreakpoints.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/styles/spacing.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/colors/amber.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/colors/blue.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/colors/blueGrey.d.ts /Users/lailavinson/<root>/<subproject root>/node_modules/@material-ui/core/colors/brown.d.ts .. etc (this goes on for more node modules)

VS Code version: Code 1.33.0 (0dd516d, 2019-04-04T15:11:32.076Z)
OS version: Darwin x64 18.5.0

System Info

Item	Value
CPUs	Intel(R) Core(TM) i7-8750H CPU @ 2.20GHz (12 x 2200)
GPU Status	2d_canvas: enabled checker_imaging: disabled_off flash_3d: enabled flash_stage3d: enabled flash_stage3d_baseline: enabled gpu_compositing: enabled multiple_raster_threads: enabled_on native_gpu_memory_buffers: enabled rasterization: enabled surface_synchronization: enabled_on video_decode: enabled webgl: enabled webgl2: enabled
Load (avg)	3, 3, 3
Memory (System)	16.00GB (0.52GB free)
Process Argv	.
Screen Reader	no
VM	0%

Process Info

CPU %	Mem MB	   PID	Process
   13	   115	 30603	code main
    0	    82	 30604	   gpu-process
    0	   311	 30605	   window (Untitled-1 —<my project>)
    0	    82	 30608	     extensionHost
  101	   311	 30610	       electron_node tsserver.js 
    0	    49	 30624	         electron_node typingsInstaller.js typesMap.js 
    0	    49	 30638	       /Applications/Visual Studio Code.app/Contents/Frameworks/Code Helper.app/Contents/MacOS/Code Helper /Applications/Visual Studio Code.app/Contents/Resources/app/extensions/json-language-features/server/dist/jsonServerMain --node-ipc --clientProcessId=30608
    0	    49	 30609	     watcherService
    0	    49	 30640	     searchService
    0	    82	 30637	   shared-process
    0	    82	 30701	   window (Issue Reporter)
    0	     0	 30702	   /bin/ps -ax -o pid=,ppid=,pcpu=,pmem=,command=

Workspace Info

|  Window (Untitled-1 — <my project>)
|    Folder (<my project>): 11408 files
|      File types: cache(6630) rb(1964) slim(573) coffee(511) png(497) gz(183)
|                  svg(150) scss(144) js(136) yml(101)
|      Conf files: package.json(2) tsconfig.json(2) tslint.json(2)
|                  settings.json(1);

Extensions: none

[mjbvz]

Sounds like a duplicate of #71751

See #71751 (comment) for workarounds

Let me know if these solve the issue for you

[laila-vinson]

Thanks for the quick response! Downgrading TypeScript to 3.3 worked. The other workarounds (deleting cache and changing @types/styled-components version) did not seem to do anything.