public function getFunctionStats()
{
$metrics = $this->xhprof->getCompleteMetrics();
$profile = array();
$main = null;
// units in ms
foreach ($metrics as $fname => $stats) {
if ($this->shouldExclude($fname)) {
continue;
}
// Convert elapsed times from μs to ms to match interface
$entry = array('name' => $fname, 'calls' => $stats['ct'], 'real' => $stats['wt']['total'] / 1000, '%real' => $stats['wt']['percent'], 'cpu' => isset($stats['cpu']) ? $stats['cpu']['total'] / 1000 : 0, '%cpu' => isset($stats['cpu']) ? $stats['cpu']['percent'] : 0, 'memory' => isset($stats['mu']) ? $stats['mu']['total'] : 0, '%memory' => isset($stats['mu']) ? $stats['mu']['percent'] : 0, 'min_real' => $stats['wt']['min'] / 1000, 'max_real' => $stats['wt']['max'] / 1000);
$profile[] = $entry;
if ($fname === 'main()') {
$main = $entry;
}
}
// Merge in all of the custom profile sections
foreach ($this->sprofiler->getFunctionStats() as $stats) {
if ($this->shouldExclude($stats['name'])) {
continue;
}
// @note: getFunctionStats() values already in ms
$stats['%real'] = $main['real'] ? $stats['real'] / $main['real'] * 100 : 0;
$stats['%cpu'] = $main['cpu'] ? $stats['cpu'] / $main['cpu'] * 100 : 0;
$stats['%memory'] = $main['memory'] ? $stats['memory'] / $main['memory'] * 100 : 0;
$profile[] = $stats;
// assume no section names collide with $metrics
}
return $profile;
}
