Fs02/profiling-go.md

Created April 19, 2018 07:32

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Profiling in Go

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profiling-go.md

https://bieker.ninja/go/2015/01/22/profiling-go.html

<ourProgram>.test -test.cpuprofile=cpu.prof
go tool pprof <outProgram>.test cpu.prof
Welcome to pprof!  For help, type 'help'.
(pprof) top10
Total: 1256 samples
    1074  85.5%  85.5%     1074  85.5% code.google.com/p/go.crypto/blowfish.encryptBlock
      90   7.2%  92.7%       90   7.2% runtime.usleep
      45   3.6%  96.3%       45   3.6% ExternalCode
...

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