* @since 2.0 */ class ProfilingPanel extends Panel { public function getName() { return 'Profiling'; } public function getDetail() { $messages = $this->data['messages']; $timings = array(); $stack = array(); foreach ($messages as $i => $log) { list($token, $level, $category, $timestamp) = $log; $log[4] = $i; if ($level == Logger::LEVEL_PROFILE_BEGIN) { $stack[] = $log; } elseif ($level == Logger::LEVEL_PROFILE_END) { if (($last = array_pop($stack)) !== null && $last[0] === $token) { $timings[$last[4]] = array(count($stack), $token, $category, $timestamp - $last[3]); } } } $now = microtime(true); while (($last = array_pop($stack)) !== null) { $delta = $now - $last[3]; $timings[$last[4]] = array(count($stack), $last[0], $last[2], $delta); } ksort($timings); $rows = array(); foreach ($timings as $timing) { $time = sprintf('%0.5f', $timing[3]); $procedure = str_repeat(' ', $timing[0] * 4) . Html::encode($timing[1]); $category = Html::encode($timing[2]); $rows[] = "$category$procedure{$time}s"; } $rows = implode("\n", $rows); return <<Performance Profiling $rows

Category	Procedure	Time

EOD; } public function save() { $target = $this->module->logTarget; $messages = $target->filterMessages($target->messages, Logger::LEVEL_PROFILE); return array( 'messages' => $messages, ); } }