Profiling for slow code on macOS?

help
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Only tool I currently know is cargo flamegraph, but it seems not much information is shown here, is there any other tool to use on macOS?

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My need is to figure out which lines of code caused it slow. Or maybe I can use docker Ubuntu for some Linux commands? What do you use, what do you suggest?

also heard about perf for Linux somewhere, not tried yet...

plus, came from Chrome, I quite miss the "Bottom-Up" panel which shows me the costly functions directly. what's the corresponding tool in Rust(text is okay)?

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You can use Instruments, which is part of Xcode, to profile Mac programs.

I haven't tried it, but cargo-instruments looks like a useful way to run Instruments on Rust projects.

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