<?php

$isAjax = isset($_SERVER["HTTP_X_REQUESTED_WITH"]) && $_SERVER["HTTP_X_REQUESTED_WITH"] == 'XMLHttpRequest';

$isForms = false !== strpos($_SERVER['HTTP_HOST'], 'net-forms.imena.ua');

if (extension_loaded('xhprof') && !$isAjax && !$isForms) {
    include_once '/usr/share/pear/xhprof_lib/utils/xhprof_lib.php';
    include_once '/usr/share/pear/xhprof_lib/utils/xhprof_runs.php';
    xhprof_enable(XHPROF_FLAGS_CPU + XHPROF_FLAGS_MEMORY);
}