vmstat and beyond, in go
= compile all and create exe for local architecture in current dir
$ go build
or ;b
in vim
= cross-compile all and create exe for other architecture in go bin dir
$ GOOS=linux GOARCH=amd64 go install
$ FS_ROOT=.samples go run cmd/cpustat/main.go (options)
$ docker run -it -v ~/go:/go ubuntu bash
# /go/bin/linux_amd64/cpustat (options)