/GolangCPUProfiles.sh
Last active Mar 31, 2019
Golang Flame graph profiles
| #install FlameGraph library | |
| cd /opt/ | |
| sudo git clone https://github.com/brendangregg/FlameGraph.git | |
| #make it accesible from any folder | |
| vim ~/.bashrc | |
| ##add these lines anywhere and exit vim (if you can) | |
| export FLAMEPATH=/opt/FlameGraph | |
| PATH=$PATH:$FLAMEPATH | |
| #Golang - go-torch pprof alternative for flame graphs profiles | |
| #see https://github.com/uber/go-torch | |
| go get github.com/uber/go-torch | |
| #install Graphviz (for go tool pprof export) | |
| go get github.com/awalterschulze/gographviz | |
| sudo apt-get install graphviz #works in ubuntu, for others see http://www.graphviz.org/ |
| #GENERATE a FLAMEGRAPH from a GOLANG BENCHMARK | |
| #if your benchmark is called: BenchmarkProcessThreadPool50() | |
| #your package name (current folder) is called "AlfaGo" | |
| #the followign command will generate 2 files: "AlfaGo.test" and "Thread50.gz" | |
| go test -bench=ProcessThreadPool50 -cpuprofile=Thread50.gz | |
| #rename the binary for posterity | |
| mv AlfaGo.test Thread50.test | |
| #generate a flamegraph svg | |
| go-torch -f "Thread50Flame.svg" Thread50.test Thread50.gz | |
| #generate a pprof svg graph | |
| go tool pprof -svg -output "Thread50Graph.svg" hread50.test Thread50.gz | |
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