hdr-User_annotation in Go
Example demonstrates the use of the trace package to trace the execution of a Go program. The trace output will be written to the file trace.out
package main
import (
"fmt"
"log"
"os"
"runtime/trace"
)
// Example demonstrates the use of the trace package to trace
// the execution of a Go program. The trace output will be
// written to the file trace.out
func main() {
f, err := os.Create("trace.out")
if err != nil {
log.Fatalf("failed to create trace output file: %v", err)
}
defer func() {
if err := f.Close(); err != nil {
log.Fatalf("failed to close trace file: %v", err)
}
}()
if err := trace.Start(f); err != nil {
log.Fatalf("failed to start trace: %v", err)
}
defer trace.Stop()
// your program here
RunMyProgram()
}
func RunMyProgram() {
fmt.Printf("this function will be traced")
}