1 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
2 <link rel="stylesheet" href="style.css" type="text/css"/>
3 <script src="code.js" type="text/javascript"></script>
6 function highlight(id1, id2)
8 document.getElementById(id1).style.backgroundColor="yellow";
9 document.getElementById(id2).style.backgroundColor="yellow";
11 function bye(id1, id2)
13 document.getElementById(id1).style.backgroundColor="white";
14 document.getElementById(id2).style.backgroundColor="white";
18 <h1>Whole system performance analysis</h1>
21 sudo perf record <span id="span_a" onmouseover="highlight(this.id, 'para_a')" onmouseout="bye(this.id, 'para_a')">-a</span> <span id="span_g" onmouseover="highlight(this.id, 'para_g')" onmouseout="bye(this.id, 'para_g')">-g</span> -- \
22 nbdkit -U - null 1G --run 'export uri; fio nbd.fio'
26 -a → record the whole system
30 -g → use frame pointers