Table of Contents

Pre-Requisite

Install Graphviz

Mac:

Code Block
brew install graphviz

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We can add in a benchmark test which will allow us to profile a section of code.

Creating Profiles from Benchmark

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Test

Code Block
go test -bench=. -run=x -benchmem -memprofile mem.prof -cpuprofile cpu.prof -benchtime=5s10s > 0.bench

After running the benchmark we can use the outputted profiles with pprof.

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Code Block
go tool pprof heap.out

Profiling with Pprof

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Code Block
$ go tool pprof cpu.prof Type: cpu Time: Jul 15, 2022 at 1:25pm (EDT) Duration: 7.34s, Total samples = 7.45s (101.51%) Entering interactive mode (type "help" for commands, "o" for options) (pprof)

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