alexbakker

using System;
using System.Net;
using System.Net.Sockets;
using System.Text;

namespace BootstrapCheck
{
    class Program
    {
        static int tries = 5;

suhr

Why so slow? Creating a flamegraph of your program with perf

Flamegraphs can help to optimize the program a lot. So let's create one!

• Install perf with use flag unwind enabled
• Download flamegraph.pl and stackcolllapse-perf.pl
• Run perf record -F 99 --call-graph dwarf -- ‹your program›
• Do all the things that make your program slow
• Close your program
• Run perf script | stackcollapse-perf.pl > out.folded

stengland

#!/bin/bash
play() {
  playlist="http://a.files.bbci.co.uk/media/live/manifesto/audio/simulcast/hls/uk/sbr_high/ak/bbc_$1.m3u8"
  echo $playlist
  if mpc
  then
    mpc add $playlist
    mpc play
  else
    mplayer $playlist