How to take thread dump in golang?

i need to take threads dump in windows environment.

What exactly do you mean by “thread dump”?

Maybe this will help
https://golang.org/pkg/runtime/debug/


A thread dump is a snapshot of the state of all threads that are part of the process. The state of each thread is presented with a so called stack trace, which shows the contents of a thread’s stack.

Like this:

package main

import (
  "os"
  "runtime/pprof"
)

func main() {
  pprof.Lookup("goroutine").WriteTo(os.Stdout, 1)
}

The output:

$ go run main.go
goroutine profile: total 1
1 @ 0x10ad368 0x10ad170 0x10a9bd4 0x10b3ee5 0x102a407 0x1052dc1
#       0x10ad367       runtime/pprof.writeRuntimeProfile+0x97  /usr/local/go/src/runtime/pprof/pprof.go:707
#       0x10ad16f       runtime/pprof.writeGoroutine+0x9f       /usr/local/go/src/runtime/pprof/pprof.go:669
#       0x10a9bd3       runtime/pprof.(*Profile).WriteTo+0x3e3  /usr/local/go/src/runtime/pprof/pprof.go:328
#       0x10b3ee4       main.main+0x64                          /Users/inanc/go/src/github.com/inancgumus/main.go:9
#       0x102a406       runtime.main+0x206                      /usr/local/go/src/runtime/proc.go:201
1 Like

I mean, How can i see running goroutine.

like in java we can see threads dump for check it’s state.

using jstack.

any alternate to see goroutine states on windows and linux.

You can use a flag:

GODEBUG=schedtrace=1000 ./yourProgram

More verbose mode:

GODEBUG=scheddetail=1,schedtrace=100 ./yourProgram

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