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PhabricatorXHProfProfileSymbolView.php
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Thu, Aug 22, 14:15

PhabricatorXHProfProfileSymbolView.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* @phutil-external-symbol function xhprof_compute_flat_info
*/
final class PhabricatorXHProfProfileSymbolView
extends PhabricatorXHProfProfileView {
private $profileData;
private $symbol;
public function setProfileData(array $data) {
$this->profileData = $data;
return $this;
}
public function setSymbol($symbol) {
$this->symbol = $symbol;
return $this;
}
public function render() {
DarkConsoleXHProfPluginAPI::includeXHProfLib();
$data = $this->profileData;
$GLOBALS['display_calls'] = true;
$totals = array();
$flat = xhprof_compute_flat_info($data, $totals);
unset($GLOBALS['display_calls']);
$symbol = $this->symbol;
$children = array();
$parents = array();
foreach ($this->profileData as $key => $counters) {
if (strpos($key, '==>') !== false) {
list($parent, $child) = explode('==>', $key, 2);
} else {
continue;
}
if ($parent == $symbol) {
$children[$key] = $child;
} else if ($child == $symbol) {
$parents[$key] = $parent;
}
}
$rows = array();
$rows[] = array(
'Metrics for this Call',
'',
'',
'',
);
$rows[] = array(
$this->renderSymbolLink($symbol),
$flat[$symbol]['ct'],
$flat[$symbol]['wt'],
'100%',
);
$rows[] = array(
'Parent Calls',
'',
'',
'',
);
foreach ($parents as $key => $name) {
$rows[] = array(
$this->renderSymbolLink($name),
$data[$key]['ct'],
$data[$key]['wt'],
'',
);
}
$rows[] = array(
'Child Calls',
'',
'',
'',
);
$child_rows = array();
foreach ($children as $key => $name) {
$child_rows[] = array(
$name,
$data[$key]['ct'],
$data[$key]['wt'],
$data[$key]['wt'] / $flat[$symbol]['wt'],
);
}
$child_rows = isort($child_rows, 2);
$child_rows = array_reverse($child_rows);
$rows = array_merge($rows, $this->formatRows($child_rows));
$table = new AphrontTableView($rows);
$table->setHeaders(
array(
'Symbol',
'Count',
'Wall Time',
'%',
));
$table->setColumnClasses(
array(
'wide pri',
'n',
'n',
'n',
));
$panel = new AphrontPanelView();
$panel->setHeader('XHProf Profile');
$panel->appendChild($table);
return $panel->render();
}
private function formatRows($rows) {
$result = array();
foreach ($rows as $row) {
$result[] = array(
$this->renderSymbolLink($row[0]),
number_format($row[1]),
number_format($row[2]).' us',
sprintf('%.1f%%', 100 * $row[3]),
);
}
return $result;
}
}

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