perftools / xhgui

        while ($row = $stmt->fetch(\PDO::FETCH_ASSOC)) {

            $date = new \DateTime($row['request_time']);

            $formattedDate = $date->format('Y-m-d H:i');

            if (empty($aggregatedData[$formattedDate])) {

                $aggregatedData[$formattedDate] = [

                    'wall_times'    => [],

                    'cpu_times'     => [],

                    'mu_times'      => [],

                    'pmu_times'     => [],

                    'row_count'     => 0

                ];

            }

            $aggregatedData[$formattedDate]['wall_times'][] = $row['main_wt'];

            $aggregatedData[$formattedDate]['cpu_times'][]  = $row['main_cpu'];

            );

            $formattedDate = $date->format('Y-m-d H:i');

            if (empty($result['result'][$formattedDate])) {

                $result['result'][$formattedDate] = [

                    'wall_times'    => [],

                    'cpu_times'     => [],

                    'mu_times'      => [],

                    'pmu_times'     => [],

                    'row_count'     => 0

                ];

            }

            $result['result'][$formattedDate]['wall_times'][]    = $row['profile']['main()']['wt'];

            $result['result'][$formattedDate]['cpu_times'][]     = $row['profile']['main()']['cpu'];