In Go, you can inspect goroutine stacks to help with debugging and performance analysis. This is essential when you're dealing with concurrent programming, as it allows you to observe the state of each goroutine and understand what they are doing at any point in time.
To print the stack traces of all goroutines, the `runtime` package provides a function called `runtime.Stack`. You can call this function in your code to log the state of all goroutines.
package main
import (
"fmt"
"runtime"
"time"
)
func main() {
go func() {
time.Sleep(2 * time.Second)
fmt.Println("Goroutine finished")
}()
// Allow the goroutine to start
time.Sleep(1 * time.Second)
// Print the stack of all goroutines
buf := make([]byte, 1<<16) // buffer to hold stack traces
stackSize := runtime.Stack(buf, true)
fmt.Printf("Got %d bytes of stack\n", stackSize)
fmt.Println(string(buf))
}
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