summaryrefslogtreecommitdiff
path: root/includes/ProfilerSimple.php
diff options
context:
space:
mode:
authorPierre Schmitz <pierre@archlinux.de>2006-10-11 18:12:39 +0000
committerPierre Schmitz <pierre@archlinux.de>2006-10-11 18:12:39 +0000
commit183851b06bd6c52f3cae5375f433da720d410447 (patch)
treea477257decbf3360127f6739c2f9d0ec57a03d39 /includes/ProfilerSimple.php
MediaWiki 1.7.1 wiederhergestellt
Diffstat (limited to 'includes/ProfilerSimple.php')
-rw-r--r--includes/ProfilerSimple.php108
1 files changed, 108 insertions, 0 deletions
diff --git a/includes/ProfilerSimple.php b/includes/ProfilerSimple.php
new file mode 100644
index 00000000..ed058c65
--- /dev/null
+++ b/includes/ProfilerSimple.php
@@ -0,0 +1,108 @@
+<?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 );
+ }
+ }
+}
+?>