Golang, Performance, Programming.
trace.Start(os.Stdout) defer trace.Stop() Then we can execute the program again an visualize the trace with go tool trace. $ time ./mandelbrot > seq.trace ./mandelbrot > seq.trace 5.11s user 0.04s system 99% cpu 5.176 total $ go tool seq.trace 2017/10/23 11:16:55 Parsing trace... 2017/10/23