diff --git a/_examples/stress/main.go b/_examples/stress/main.go
index 830fca8..5cb4652 100644
--- a/_examples/stress/main.go
+++ b/_examples/stress/main.go
@@ -1,8 +1,12 @@
 package main
 
 import (
+	"flag"
 	"fmt"
+	"log"
 	"math/rand"
+	"os"
+	"runtime/pprof"
 	"sync"
 	"time"
 
@@ -14,7 +18,18 @@
 	totalBars = 32
 )
 
+var cpuprofile = flag.String("cpuprofile", "", "write cpu profile to file")
+
 func main() {
+	flag.Parse()
+	if *cpuprofile != "" {
+		f, err := os.Create(*cpuprofile)
+		if err != nil {
+			log.Fatal(err)
+		}
+		pprof.StartCPUProfile(f)
+		defer pprof.StopCPUProfile()
+	}
 	var wg sync.WaitGroup
 	// passed wg will be accounted at p.Wait() call
 	p := mpb.New(mpb.WithWaitGroup(&wg))