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andrewhassan
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Jun 30, 2023
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Enable Wasm profiling with wasmprof, using fuel as the scale. The generated profile is written to a
.perffile and can be used with speedscope.Sending any of the
--profileoption will generate a profile:--profileenables the profiling.--profile-outallows picking the destination file. Defaults to writing a file to the current dir, using the specified Wasm's basename, but with a.perfextension. For example:function-runner --function build/foo.wasm --profilewill result in./foo.perf.--profile-frequencyspecify how many times per second to sample (default to 500_000 which is every 5µs).