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-rw-r--r--includes/profiler/ProfilerSectionOnly.php104
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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
+ *
+ * @code
+ * $wgProfiler['class'] = 'ProfilerSectionOnly';
+ * $wgProfiler['output'] = 'text';
+ * $wgProfiler['visible'] = true;
+ * @endcode
+ *
+ * @author Aaron Schulz
+ * @ingroup Profiler
+ * @since 1.25
+ */
+class ProfilerSectionOnly extends Profiler {
+ /** @var SectionProfiler */
+ protected $sprofiler;
+
+ public function __construct( array $params = array() ) {
+ 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, function( $a, $b ) {
+ if ( $a['real'] === $b['real'] ) {
+ return 0;
+ }
+ return ( $a['real'] > $b['real'] ) ? -1 : 1; // descending
+ } );
+
+ $width = 140;
+ $nameWidth = $width - 65;
+ $format = "%-{$nameWidth}s %6d %9d %9d %9d %9d %7.3f%% %9d";
+ $out = array();
+ $out[] = sprintf( "%-{$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 );
+ }
+}