1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
<?php
/**
* Base class for simple profiling.
*
* 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
* @ingroup Profiler
*/
/**
* Simple profiler base class.
* @todo document methods (?)
* @ingroup Profiler
*/
class ProfilerSimple extends Profiler {
var $mMinimumTime = 0;
var $zeroEntry = array( 'cpu' => 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0 );
var $errorEntry;
public function isPersistent() {
/* Implement in output subclasses */
return false;
}
protected function addInitialStack() {
$this->errorEntry = $this->zeroEntry;
$this->errorEntry['count'] = 1;
$initialTime = $this->getInitialTime();
$initialCpu = $this->getInitialTime( 'cpu' );
if ( $initialTime !== null && $initialCpu !== null ) {
$this->mWorkStack[] = array( '-total', 0, $initialTime, $initialCpu );
$this->mWorkStack[] = array( '-setup', 1, $initialTime, $initialCpu );
$this->profileOut( '-setup' );
} else {
$this->profileIn( '-total' );
}
}
function setMinimum( $min ) {
$this->mMinimumTime = $min;
}
function profileIn( $functionname ) {
global $wgDebugFunctionEntry;
if ( $wgDebugFunctionEntry ) {
$this->debug( str_repeat( ' ', count( $this->mWorkStack ) ) . 'Entering ' . $functionname . "\n" );
}
$this->mWorkStack[] = array( $functionname, count( $this->mWorkStack ), $this->getTime(), $this->getTime( 'cpu' ) );
}
function profileOut( $functionname ) {
global $wgDebugFunctionEntry;
if ( $wgDebugFunctionEntry ) {
$this->debug( str_repeat( ' ', count( $this->mWorkStack ) - 1 ) . 'Exiting ' . $functionname . "\n" );
}
list( $ofname, /* $ocount */, $ortime, $octime ) = array_pop( $this->mWorkStack );
if ( !$ofname ) {
$this->debug( "Profiling error: $functionname\n" );
} else {
if ( $functionname == 'close' ) {
$message = "Profile section ended by close(): {$ofname}";
$functionname = $ofname;
$this->debug( "$message\n" );
$this->mCollated[$message] = $this->errorEntry;
}
elseif ( $ofname != $functionname ) {
$message = "Profiling error: in({$ofname}), out($functionname)";
$this->debug( "$message\n" );
$this->mCollated[$message] = $this->errorEntry;
}
$entry =& $this->mCollated[$functionname];
$elapsedcpu = $this->getTime( 'cpu' ) - $octime;
$elapsedreal = $this->getTime() - $ortime;
if ( !is_array( $entry ) ) {
$entry = $this->zeroEntry;
$this->mCollated[$functionname] =& $entry;
}
$entry['cpu'] += $elapsedcpu;
$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
$entry['real'] += $elapsedreal;
$entry['real_sq'] += $elapsedreal*$elapsedreal;
$entry['count']++;
}
}
public function getFunctionReport() {
/* Implement in output subclasses */
return '';
}
public function logData() {
/* Implement in subclasses */
}
/**
* Get the actual CPU time or the initial one if $ru is set.
*
* @deprecated in 1.20
* @return float|null
*/
function getCpuTime( $ru = null ) {
wfDeprecated( __METHOD__, '1.20' );
if ( $ru === null ) {
return $this->getTime( 'cpu' );
} else {
# It theory we should use $ru here, but it always $wgRUstart that is passed here
return $this->getInitialTime( 'cpu' );
}
}
}
|
