4b1815d6cc
Summary: Ref T8588. It looks like something slow is happening //before// we start DarkConsole. Add some crude reporting to try to narrow it down.
Test Plan: {F743050}
Reviewers: chad
Reviewed By: chad
Maniphest Tasks: T8588
Differential Revision: https://secure.phabricator.com/D13956
85 lines
1.8 KiB
PHP
85 lines
1.8 KiB
PHP
<?php
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final class DarkConsoleStartupPlugin extends DarkConsolePlugin {
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public function getName() {
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return pht('Startup');
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}
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public function getDescription() {
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return pht('Timing information about the startup sequence.');
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}
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/**
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* @phutil-external-symbol class PhabricatorStartup
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*/
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public function generateData() {
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return PhabricatorStartup::getPhases();
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}
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public function renderPanel() {
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$data = $this->getData();
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// Compute the time offset and duration of each startup phase.
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$prev_key = null;
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$init = null;
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$phases = array();
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foreach ($data as $key => $value) {
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if ($init === null) {
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$init = $value;
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}
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$offset = (int)floor(1000 * ($value - $init));
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$phases[$key] = array(
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'time' => $value,
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'offset' => $value - $init,
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);
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if ($prev_key !== null) {
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$phases[$prev_key]['duration'] = $value - $phases[$prev_key]['time'];
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}
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$prev_key = $key;
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}
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// Render the phases.
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$rows = array();
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foreach ($phases as $key => $phase) {
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$offset_ms = (int)floor(1000 * $phase['offset']);
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if (isset($phase['duration'])) {
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$duration_us = (int)floor(1000000 * $phase['duration']);
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} else {
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$duration_us = null;
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}
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$rows[] = array(
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$key,
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pht('+%s ms', new PhutilNumber($offset_ms)),
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($duration_us === null)
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? pht('-')
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: pht('%s us', new PhutilNumber($duration_us)),
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null,
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);
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}
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return id(new AphrontTableView($rows))
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->setHeaders(
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array(
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pht('Phase'),
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pht('Offset'),
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pht('Duration'),
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null,
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))
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->setColumnClasses(
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array(
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'',
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'n right',
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'n right',
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'wide',
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));
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}
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}
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