Array ( [foo==>bar] => Array ( [ct] => 5 [wt] => 18 ) [foo==>mb_strlen] => Array ( [ct] => 5 [wt] => 8 ) [bar==>bar@1] => Array ( [ct] => 4 [wt] => 9 ) [bar@1==>bar@2] => Array ( [ct] => 3 [wt] => 5 ) [bar@2==>bar@3] => Array ( [ct] => 2 [wt] => 2 ) [bar@3==>bar@4] => Array ( [ct] => 1 [wt] => 0 ) [main()==>foo] => Array ( [ct] => 1 [wt] => 76 ) [main()==>xhprof_disable] => Array ( [ct] => 1 [wt] => 0 ) [main()] => Array ( [ct] => 1 [wt] => 98 ) ) --------------- Assuming you have set up the http based UI for XHProf at some address, you can view run at http:///index.php?run=5c13791fee8e5&source=xhprof_foo ---------------