Array
(
    [foo==>bar] => Array
        (
            [ct] => 5
            [wt] => 9
        )

    [bar==>bar@1] => Array
        (
            [ct] => 4
            [wt] => 3
        )

    [bar@1==>bar@2] => Array
        (
            [ct] => 3
            [wt] => 2
        )

    [bar@2==>bar@3] => Array
        (
            [ct] => 2
            [wt] => 2
        )

    [bar@3==>bar@4] => Array
        (
            [ct] => 1
            [wt] => 1
        )

    [main()==>foo] => Array
        (
            [ct] => 1
            [wt] => 18
        )

    [main()==>xhprof_disable] => Array
        (
            [ct] => 1
            [wt] => 0
        )

    [main()] => Array
        (
            [ct] => 1
            [wt] => 21
        )

)
---------------
Assuming you have set up the http based UI for 
XHProf at some address, you can view run at 
http://<xhprof-ui-address>/index.php?run=656e8b2313a8f&source=xhprof_foo
---------------