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1 | <?php |
2 | /** |
3 | * This program is free software; you can redistribute it and/or modify |
4 | * it under the terms of the GNU General Public License as published by |
5 | * the Free Software Foundation; either version 2 of the License, or |
6 | * (at your option) any later version. |
7 | * |
8 | * This program is distributed in the hope that it will be useful, |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
11 | * GNU General Public License for more details. |
12 | * |
13 | * You should have received a copy of the GNU General Public License along |
14 | * with this program; if not, write to the Free Software Foundation, Inc., |
15 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
16 | * http://www.gnu.org/copyleft/gpl.html |
17 | * |
18 | * @file |
19 | */ |
20 | |
21 | /** |
22 | * Profiler that only tracks explicit profiling sections |
23 | * |
24 | * @ingroup Profiler |
25 | * @since 1.25 |
26 | * @see $wgProfiler |
27 | */ |
28 | class ProfilerSectionOnly extends Profiler { |
29 | /** @var SectionProfiler */ |
30 | protected $sprofiler; |
31 | |
32 | public function __construct( array $params = [] ) { |
33 | parent::__construct( $params ); |
34 | $this->sprofiler = new SectionProfiler(); |
35 | } |
36 | |
37 | public function scopedProfileIn( $section ) { |
38 | return $this->sprofiler->scopedProfileIn( $section ); |
39 | } |
40 | |
41 | public function close() { |
42 | } |
43 | |
44 | public function getFunctionStats() { |
45 | return $this->sprofiler->getFunctionStats(); |
46 | } |
47 | |
48 | public function getOutput() { |
49 | return $this->getFunctionReport(); |
50 | } |
51 | |
52 | /** |
53 | * Get a report of profiled functions sorted by inclusive wall clock time |
54 | * in descending order. |
55 | * |
56 | * Each line of the report includes this data: |
57 | * - Function name |
58 | * - Number of times function was called |
59 | * - Total wall clock time spent in function in microseconds |
60 | * - Minimum wall clock time spent in function in microseconds |
61 | * - Average wall clock time spent in function in microseconds |
62 | * - Maximum wall clock time spent in function in microseconds |
63 | * - Percentage of total wall clock time spent in function |
64 | * - Total delta of memory usage from start to end of function in bytes |
65 | * |
66 | * @return string |
67 | */ |
68 | protected function getFunctionReport() { |
69 | $data = $this->getFunctionStats(); |
70 | usort( $data, static function ( $a, $b ) { |
71 | return $b['real'] <=> $a['real']; // descending |
72 | } ); |
73 | |
74 | $width = 140; |
75 | $nameWidth = $width - 65; |
76 | $format = "%-{$nameWidth}s %6d %9d %9d %9d %9d %7.3f%% %9d"; |
77 | $out = []; |
78 | $out[] = sprintf( "%-{$nameWidth}s %6s %9s %9s %9s %9s %7s %9s", |
79 | 'Name', 'Calls', 'Total', 'Min', 'Each', 'Max', '%', 'Mem' |
80 | ); |
81 | foreach ( $data as $stats ) { |
82 | $out[] = sprintf( $format, |
83 | $stats['name'], |
84 | $stats['calls'], |
85 | $stats['real'] * 1000, |
86 | $stats['min_real'] * 1000, |
87 | $stats['real'] / $stats['calls'] * 1000, |
88 | $stats['max_real'] * 1000, |
89 | $stats['%real'], |
90 | $stats['memory'] |
91 | ); |
92 | } |
93 | return implode( "\n", $out ); |
94 | } |
95 | } |