-<?
-# This file is only included if profiling is enabled
-$wgDebugProfiling = true;
+<?php
+/**
+ * This file is only included if profiling is enabled
+ * @package MediaWiki
+ */
-function wfProfileIn( $functionname )
-{
+/**
+ * @param $functioname name of the function we will profile
+ */
+function wfProfileIn( $functionname ) {
global $wgProfiler;
$wgProfiler->profileIn( $functionname );
}
-function wfProfileOut( $functionname = "missing" )
-{
+/**
+ * @param $functioname name of the function we have profiled
+ */
+function wfProfileOut( $functionname = 'missing' ) {
global $wgProfiler;
$wgProfiler->profileOut( $functionname );
}
return $wgProfiler->getOutput( $start, $elapsed );
}
-function wfProfileClose()
-{
+function wfProfileClose() {
global $wgProfiler;
$wgProfiler->close();
}
+if( !function_exists( 'memory_get_usage' ) ) {
+ # Old PHP or --enable-memory-limit not compiled in
+ function memory_get_usage() {
+ return 0;
+ }
+}
+
+/**
+ * @todo document
+ * @package MediaWiki
+ */
class Profiler
{
var $mStack = array(), $mWorkStack = array(), $mCollated = array();
}
*/
- function profileIn( $functionname )
- {
- array_push( $this->mWorkStack, array($functionname, count( $this->mWorkStack ), microtime() ) );
+ function profileIn( $functionname ) {
+ global $wgDebugFunctionEntry;
+ if ( $wgDebugFunctionEntry && function_exists( 'wfDebug' ) ) {
+ wfDebug( str_repeat( ' ', count( $this->mWorkStack ) ) . 'Entering '.$functionname."\n" );
+ }
+ array_push( $this->mWorkStack, array($functionname, count( $this->mWorkStack ), microtime(), memory_get_usage() ) );
}
- function profileOut( $functionname)
- {
- global $wgDebugProfiling;
+ function profileOut( $functionname ) {
+ $memory = memory_get_usage();
+ global $wgDebugProfiling, $wgDebugFunctionEntry;
+
+ if ( $wgDebugFunctionEntry && function_exists( 'wfDebug' ) ) {
+ wfDebug( str_repeat( ' ', count( $this->mWorkStack ) ) . 'Exiting '.$functionname."\n" );
+ }
+
$bit = array_pop( $this->mWorkStack );
- if ( $wgDebugProfiling ) {
- if ( $functionname == "close" ) {
- wfDebug( "Profile section ended by close(): {$bit[0]}\n" );
- } elseif ( $bit[0] != $functionname ) {
- wfDebug( "Profiling error: in({$bit[0]}), out($functionname)\n" );
+ if ( !$bit ) {
+ wfDebug( "Profiling error, !\$bit: $functionname\n" );
+ } else {
+ if ( $wgDebugProfiling ) {
+ if ( $functionname == 'close' ) {
+ wfDebug( "Profile section ended by close(): {$bit[0]}\n" );
+ } elseif ( $bit[0] != $functionname ) {
+ wfDebug( "Profiling error: in({$bit[0]}), out($functionname)\n" );
+ }
}
+ array_push( $bit, microtime() );
+ array_push( $bit, $memory );
+ array_push( $this->mStack, $bit );
}
- array_push( $bit, microtime() );
- array_push( $this->mStack, $bit );
}
- function close()
- {
+ function close() {
while ( count( $this->mWorkStack ) ) {
- $this->profileOut( "close" );
+ $this->profileOut( 'close' );
}
}
- function getOutput( $scriptStart, $scriptElapsed )
- {
+ function getOutput() {
+ global $wgDebugFunctionEntry;
+ $wgDebugFunctionEntry = false;
+
if( !count( $this->mStack ) ) {
return "No profiling output\n";
}
-
- $format = "%-49s %6d %6.3f %6.3f %6.3f%%\n";
- $titleFormat = "%-49s %9s %9s %9s %9s\n";
+ $this->close();
+ $width = 125;
+ $format = "%-" . ($width - 34) . "s %6d %6.3f %6.3f %6.3f%% %6d\n";
+ $titleFormat = "%-" . ($width - 34) . "s %9s %9s %9s %9s %6s\n";
$prof = "\nProfiling data\n";
- $prof .= sprintf( $titleFormat, "Name", "Calls", "Total", "Each", "%" );
+ $prof .= sprintf( $titleFormat, 'Name', 'Calls', 'Total', 'Each', '%', 'Mem' );
$this->mCollated = array();
$this->mCalls = array();
+ $this->mMemory = array();
# Estimate profiling overhead
$profileCount = count( $this->mStack );
- wfProfileIn( "-overhead-total" );
+ wfProfileIn( '-overhead-total' );
for ($i=0; $i<$profileCount ; $i++) {
- wfProfileIn( "-overhead-internal" );
- wfProfileOut( "-overhead-internal" );
+ wfProfileIn( '-overhead-internal' );
+ wfProfileOut( '-overhead-internal' );
}
- wfProfileOut( "-overhead-total" );
+ wfProfileOut( '-overhead-total' );
# Collate
foreach ( $this->mStack as $entry ) {
$fname = $entry[0];
$thislevel = $entry[1];
- $start = explode( " ", $entry[2]);
+ $start = explode( ' ', $entry[2]);
$start = (float)$start[0] + (float)$start[1];
- $end = explode( " ", $entry[3]);
+ $end = explode( ' ', $entry[4]);
$end = (float)$end[0] + (float)$end[1];
$elapsed = $end - $start;
+
+ $memory = $entry[5] - $entry[3];
+
+ if ( !array_key_exists( $fname, $this->mCollated ) ) {
+ $this->mCollated[$fname] = 0;
+ $this->mCalls[$fname] = 0;
+ $this->mMemory[$fname] = 0;
+ }
+
$this->mCollated[$fname] += $elapsed;
$this->mCalls[$fname] ++;
+ $this->mMemory[$fname] += $memory;
}
- $total = $this->mCollated["-total"];
- $overhead = $this->mCollated["-overhead-internal"] / $profileCount;
- $this->mCalls["-overhead-total"] = $profileCount;
+ $total = @$this->mCollated['-total'];
+ $overhead = $this->mCollated['-overhead-internal'] / $profileCount;
+ $this->mCalls['-overhead-total'] = $profileCount;
# Output
+ arsort( $this->mCollated, SORT_NUMERIC );
foreach ( $this->mCollated as $fname => $elapsed ) {
$calls = $this->mCalls[$fname];
# Adjust for overhead
- if ( $fname[0] != "-" ) {
+ if ( $fname[0] != '-' ) {
$elapsed -= $overhead * $calls;
}
-
+
$percent = $total ? 100. * $elapsed / $total : 0;
+ $memory = $this->mMemory[$fname];
$prof .= sprintf( $format, $fname, $calls, (float)($elapsed * 1000),
- (float)($elapsed * 1000) / $calls, $percent );
+ (float)($elapsed * 1000) / $calls, $percent, $memory );
+
+ global $wgProfileToDatabase;
+ if( $wgProfileToDatabase ) {
+ Profiler::logToDB( $fname, (float)($elapsed * 1000), $calls );
+ }
}
$prof .= "\nTotal: $total\n\n";
return $prof;
}
+
+
+ /**
+ * @static
+ */
+ function logToDB($name, $timeSum, $eventCount) {
+ $dbw =& wfGetDB( DB_MASTER );
+ $profiling = $dbw->tableName( 'profiling' );
+
+ $name = substr($dbw->strencode( $name ),0,255);
+ $sql = "UPDATE $profiling ".
+ "SET pf_count=pf_count+{$eventCount}, ".
+ "pf_time=pf_time + {$timeSum} ".
+ "WHERE pf_name='{$name}'";
+ $dbw->query($sql);
+
+ $rc = $dbw->affectedRows();
+ if( $rc == 0) {
+ $dbw->insertArray($profiling,array(
+ 'pf_name'=>$name,
+ 'pf_count'=>$eventCount,
+ 'pf_time'=>$timeSum),
+ $fname,array('IGNORE'));
+ }
+ // When we upgrade to mysql 4.1, the insert+update
+ // can be merged into just a insert with this construct added:
+ // "ON DUPLICATE KEY UPDATE ".
+ // "pf_count=pf_count + VALUES(pf_count), ".
+ // "pf_time=pf_time + VALUES(pf_time)";
+ }
+
}
-$wgProfiler = new Profiler();
-$wgProfiler->profileIn( "-total" );
+$wgProfiler = new Profiler();
+$wgProfiler->profileIn( '-total' );
?>
dépôts / lhc / web / wiklou.git / blobdiff