Golang getCPUHogThreadCount示例

示例#1

文件： threadpprof.go 项目： Harvey-OS/go

func pprofThread() {
	f, err := ioutil.TempFile("", "prof")
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	if err := pprof.StartCPUProfile(f); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	C.runCPUHogThread()

	t0 := time.Now()
	for C.getCPUHogThreadCount() < 2 && time.Since(t0) < time.Second {
		time.Sleep(100 * time.Millisecond)
	}

	pprof.StopCPUProfile()

	name := f.Name()
	if err := f.Close(); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	fmt.Println(name)
}

示例#2

文件： threadpprof.go 项目： Xiahl1990/go

func CgoPprofThread() {
	runtime.SetCgoTraceback(0, unsafe.Pointer(C.pprofCgoThreadTraceback), nil, nil)

	f, err := ioutil.TempFile("", "prof")
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	if err := pprof.StartCPUProfile(f); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	t0 := time.Now()
	for C.getCPUHogThreadCount() < 2 && time.Since(t0) < time.Second {
		time.Sleep(100 * time.Millisecond)
	}

	pprof.StopCPUProfile()

	name := f.Name()
	if err := f.Close(); err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	fmt.Println(name)
}