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function

jsc.profilefunction profileT extends (...args: any[]) => any>(callback: T,sampleInterval?: number,...args: ParametersT>): ReturnTypeT> extends PromiseU> ? PromiseSamplingProfile> : SamplingProfile;Run JavaScriptCore's sampling profiler for a particular function

This is pretty low-level.

Things to know:

LLint means "Low Level Interpreter", which is the interpreter that runs before any JIT compilationBaseline is the first JIT compilation tier. It's the least optimized, but the fastest to compileDFG means "Data Flow Graph", which is the second JIT compilation tier. It has some optimizations, but is slower to compileFTL means "Faster Than Light", which is the third JIT compilation tier. It has the most optimizations, but is the slowest to compile

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