he/him 
Oh that’s cool. I want to do that for @parceljs. How did you do it?
With the help of @samccone I got multi-process CPU profiling of my JS mono-toolchain.pic.twitter.com/C8rK8Kn9bX
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Which task needed that much off-the-main-thread work?
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Compiling/linting/typechecking/bundling thousands of files
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It took me a while to figure out, but this only works with the Performance tab in dev tools. There is also a JavaScript Profiler tab that doesn't work w/ this.
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Also, is it just me doing something wrong or does the Performance tab not have access to bottom-up top-down views?
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Beautiful looking
Thanks. Twitter will use this to make your timeline better. UndoUndo
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