Differential D13956 Diff 33689 src/applications/console/plugin/DarkConsoleStartupPlugin.php

Changeset View

Standalone View

				<?php

				final class DarkConsoleStartupPlugin extends DarkConsolePlugin {

				public function getName() {
				return pht('Startup');
				}

				public function getDescription() {
				return pht('Timing information about the startup sequence.');
				}

				/**
				* @phutil-external-symbol class PhabricatorStartup
				*/
				public function generateData() {
				return PhabricatorStartup::getPhases();
				}

				public function renderPanel() {
				$data = $this->getData();

				// Compute the time offset and duration of each startup phase.
				$prev_key = null;
				$init = null;
				$phases = array();
				foreach ($data as $key => $value) {
				if ($init === null) {
				$init = $value;
				}

				$offset = (int)floor(1000 * ($value - $init));

				$phases[$key] = array(
				'time' => $value,
				'offset' => $value - $init,
				);


				if ($prev_key !== null) {
				$phases[$prev_key]['duration'] = $value - $phases[$prev_key]['time'];
				}
				$prev_key = $key;
				}

				// Render the phases.
				$rows = array();
				foreach ($phases as $key => $phase) {
				$offset_ms = (int)floor(1000 * $phase['offset']);

				if (isset($phase['duration'])) {
				$duration_us = (int)floor(1000000 * $phase['duration']);
				} else {
				$duration_us = null;
				}

				$rows[] = array(
				$key,
				pht('+%s ms', new PhutilNumber($offset_ms)),
				($duration_us === null)
				? pht('-')
				: pht('%s us', new PhutilNumber($duration_us)),
				null,
				);
				}

				return id(new AphrontTableView($rows))
				->setHeaders(
				array(
				pht('Phase'),
				pht('Offset'),
				pht('Duration'),
				null,
				))
				->setColumnClasses(
				array(
				'',
				'n right',
				'n right',
				'wide',
				));
				}

				}