This project added a new sub-option to the `go tool trace` named 
"diagreedy" 
which could "diagnose and find out the cpu greediest several goroutines". 
This tool already helped us tracked down several deep hidden problems in 
our go applications and achieved more stable and shorter GC pause latency 
by fixing them afterwards.

(You could discuss this feature proposal in this issue 
<https://github.com/golang/go/issues/20792> if you want it in the next 
release of golang too and there is the repository 
<https://github.com/hnes/go-tool-trace-greediest-goroutines> for details 
and source code.)

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