delve调试go程序

安装delve

Mac: xcode-select --install

$ go get -u github.com/derekparker/delve/cmd/dlv
$ make install

实例程序

package main

import (
    "fmt"
    "time"
)

func say(s string) {
    for i := 0; i < 5; i++ {
        time.Sleep(100 * time.Millisecond)
        fmt.Println(s)
    }
}

func main() {
    go say("world")
    say("hello")
}

生成测试程序：

go build test.go

启动delve

启动已经生成的执行文件

dlv exec test
dlv exec ./cockroach -- start --insecure --store=node1 --host=localhost

根据文件进行启动

dlv debug test.go

dlv debug main.go -- start --insecure --store=node1 --host=localhost

attach到正在执行的程序

dlv attach pid test

调试命令

断点设置

• b main.main: breakpoint on package.function
• b test.go:16: breakpoint on lineno
• bp: list all breakpoints
• clearall: clear all breakpoints
• clear id: clear id breakpoint

调试

• c: continue
• s: step in
• stepout: step out
• bt: print stack trace
• threads: list threads
• thread xxxx: switch to xxxx thread

参考链接

1. delve github
2. delve install
3. delve usage
4. delve commands