Work around database corruption reported on WP:VPT -- unlinked title instead of PHP...

[lhc/web/wiklou.git] / includes / ProfilerSimple.php

diff --git a/includes/ProfilerSimple.php b/includes/ProfilerSimple.php
index 7239df9..349a7ca 100644 (file)
--- a/includes/ProfilerSimple.php
+++ b/includes/ProfilerSimple.php
@@ -1,29 +1,37 @@
 <?php
+/**
+ * @file
+ * @ingroup Profiler
+ */
 
 require_once(dirname(__FILE__).'/Profiler.php');
 
 /**
  * Simple profiler base class.
  * @todo document methods (?)
- * @addtogroup Profiler
+ * @ingroup Profiler
  */
 class ProfilerSimple extends Profiler {
        var $mMinimumTime = 0;
        var $mProfileID = false;
 
        function __construct() {
-               global $wgRequestTime;
-               if (!empty($wgRequestTime)) {
-                       $this->mWorkStack[] = array( '-total', 0, $wgRequestTime);
+               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('real' => 0.0, 'count' => 0);
+                               $entry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
                                $this->mCollated["-setup"] =& $entry;
                        }
+                       $entry['cpu'] += $elapsedcpu;
+                       $entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
                        $entry['real'] += $elapsedreal;
+                       $entry['real_sq'] += $elapsedreal*$elapsedreal;
                        $entry['count']++;
                }
        }
@@ -49,7 +57,7 @@ class ProfilerSimple extends Profiler {
                if ($wgDebugFunctionEntry) {
                        $this->debug(str_repeat(' ', count($this->mWorkStack)).'Entering '.$functionname."\n");
                }
-               $this->mWorkStack[] = array($functionname, count( $this->mWorkStack));
+               $this->mWorkStack[] = array($functionname, count( $this->mWorkStack ), microtime(true), $this->getCpuTime());
        }
 
        function profileOut($functionname) {
@@ -68,19 +76,26 @@ class ProfilerSimple extends Profiler {
                                $message = "Profile section ended by close(): {$ofname}";
                                $functionname = $ofname;
                                $this->debug( "$message\n" );
+                               $this->mCollated[$message] = array(
+                                       'real' => 0.0, 'count' => 1);
                        }
                        elseif ($ofname != $functionname) {
                                $message = "Profiling error: in({$ofname}), out($functionname)";
                                $this->debug( "$message\n" );
+                               $this->mCollated[$message] = array(
+                                       'real' => 0.0, 'count' => 1);
                        }
                        $entry =& $this->mCollated[$functionname];
                        $elapsedcpu = $this->getCpuTime() - $octime;
                        $elapsedreal = microtime(true) - $ortime;
                        if (!is_array($entry)) {
-                               $entry = array('real' => 0.0, 'count' => 0);
+                               $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']++;
 
                }
@@ -90,6 +105,17 @@ class ProfilerSimple extends Profiler {
                /* Implement in output subclasses */
        }
 
+       function getCpuTime($ru=null) {
+               if ( function_exists( 'getrusage' ) ) {
+                       if ( $ru == null )
+                               $ru = getrusage();
+                       return ($ru['ru_utime.tv_sec'] + $ru['ru_stime.tv_sec'] + ($ru['ru_utime.tv_usec'] +
+                               $ru['ru_stime.tv_usec']) * 1e-6);
+               } else {
+                       return 0;
+               }
+       }
+
        /* If argument is passed, it assumes that it is dual-format time string, returns proper float time value */
        function getTime($time=null) {
                if ($time==null)
@@ -97,11 +123,4 @@ class ProfilerSimple extends Profiler {
                list($a,$b)=explode(" ",$time);
                return (float)($a+$b);
        }
-
-       function debug( $s ) {
-               if (function_exists( 'wfDebug' ) ) {
-                       wfDebug( $s );
-               }
-       }
 }
-