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
|
<?php
/**
* Simple profiler base class
* @package MediaWiki
*/
/**
* @todo document
* @package MediaWiki
*/
require_once(dirname(__FILE__).'/Profiling.php');
class ProfilerSimple extends Profiler {
function ProfilerSimple() {
global $wgRequestTime,$wgRUstart;
if (!empty($wgRequestTime) && !empty($wgRUstart)) {
$this->mWorkStack[] = array( '-total', 0, $wgRequestTime,$this->getCpuTime($wgRUstart));
$elapsedcpu = $this->getCpuTime() - $this->getCpuTime($wgRUstart);
$elapsedreal = microtime(true) - $wgRequestTime;
$entry =& $this->mCollated["-setup"];
if (!is_array($entry)) {
$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
$this->mCollated[$functionname] =& $entry;
}
$entry['cpu'] += $elapsedcpu;
$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
$entry['real'] += $elapsedreal;
$entry['real_sq'] += $elapsedreal*$elapsedreal;
$entry['count']++;
}
}
function profileIn($functionname) {
global $wgDebugFunctionEntry;
if ($wgDebugFunctionEntry) {
$this->debug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
}
$this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());
}
function profileOut($functionname) {
$memory = memory_get_usage();
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" );
}
elseif ($ofname != $functionname) {
$message = "Profiling error: in({$ofname}), out($functionname)";
$this->debug( "$message\n" );
}
$entry =& $this->mCollated[$functionname];
$elapsedcpu = $this->getCpuTime() - $octime;
$elapsedreal = microtime(true) - $ortime;
if (!is_array($entry)) {
$entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
$this->mCollated[$functionname] =& $entry;
}
$entry['cpu'] += $elapsedcpu;
$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
$entry['real'] += $elapsedreal;
$entry['real_sq'] += $elapsedreal*$elapsedreal;
$entry['count']++;
}
}
function getFunctionReport() {
/* Implement in output subclasses */
}
function getCpuTime($ru=null) {
if ($ru==null)
$ru=getrusage();
return ($ru['ru_utime.tv_sec']+$ru['ru_stime.tv_sec']+($ru['ru_utime.tv_usec']+$ru['ru_stime.tv_usec'])*1e-6);
}
/* If argument is passed, it assumes that it is dual-format time string, returns proper float time value */
function getTime($time=null) {
if ($time==null)
return microtime(true);
list($a,$b)=explode(" ",$time);
return (float)($a+$b);
}
function debug( $s ) {
if (function_exists( 'wfDebug' ) ) {
wfDebug( $s );
}
}
}
?>
|
