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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Profiler that only tracks explicit profiling sections
*
* @ingroup Profiler
* @since 1.25
* @see $wgProfiler
*/
class ProfilerSectionOnly extends Profiler {
/** @var SectionProfiler */
protected $sprofiler;
public function __construct( array $params = [] ) {
parent::__construct( $params );
$this->sprofiler = new SectionProfiler();
}
public function scopedProfileIn( $section ) {
return $this->sprofiler->scopedProfileIn( $section );
}
public function close() {
}
public function getFunctionStats() {
return $this->sprofiler->getFunctionStats();
}
public function getOutput() {
return $this->getFunctionReport();
}
/**
* Get a report of profiled functions sorted by inclusive wall clock time
* in descending order.
*
* Each line of the report includes this data:
* - Function name
* - Number of times function was called
* - Total wall clock time spent in function in microseconds
* - Minimum wall clock time spent in function in microseconds
* - Average wall clock time spent in function in microseconds
* - Maximum wall clock time spent in function in microseconds
* - Percentage of total wall clock time spent in function
* - Total delta of memory usage from start to end of function in bytes
*
* @return string
*/
protected function getFunctionReport() {
$data = $this->getFunctionStats();
usort( $data, static function ( $a, $b ) {
return $b['real'] <=> $a['real']; // descending
} );
$width = 140;
$nameWidth = $width - 65;
$format = "%-{$nameWidth}s %6d %9d %9d %9d %9d %7.3f%% %9d";
$out = [];
$out[] = sprintf( "%-{$nameWidth}s %6s %9s %9s %9s %9s %7s %9s",
'Name', 'Calls', 'Total', 'Min', 'Each', 'Max', '%', 'Mem'
);
foreach ( $data as $stats ) {
$out[] = sprintf( $format,
$stats['name'],
$stats['calls'],
$stats['real'] * 1000,
$stats['min_real'] * 1000,
$stats['real'] / $stats['calls'] * 1000,
$stats['max_real'] * 1000,
$stats['%real'],
$stats['memory']
);
}
return implode( "\n", $out );
}
}