XHProf enable

xhprof_enable.php

<?php

if(extension_loaded('xhprof')) {

    $utilsPath = '/usr/share/php5-xhprof/xhprof_lib/utils/';
    include_once $utilsPath . 'xhprof_lib.php';
    include_once $utilsPath . 'xhprof_runs.php';

    xhprof_enable(XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY);

    register_shutdown_function(function() {
        $profilerNamespace = pathinfo(__FILE__, PATHINFO_FILENAME);
        $data = xhprof_disable();
        $xhprofRuns = new XHProfRuns_Default();
        $xhprofRuns->save_run($data, $profilerNamespace);
    });

}