38f267f402
This patch refactors ProfilerSimple, moving the code that creates a new profiling entry and the code that updates an existing entry to discrete methods. This allows subclasses to supply a different implementation. It will allow me to introduce a profiler class that uses RunningStat (introduced in Ifedda276d) without breaking existing APIs and without having to duplicate lots of code. Change-Id: Ida7d7d0c1e2a98618b51246861e6af8ec3eb6320
133 lines
3.8 KiB
PHP
133 lines
3.8 KiB
PHP
<?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 $errorEntry;
|
|
|
|
public function getZeroEntry() {
|
|
return array(
|
|
'cpu' => 0.0,
|
|
'cpu_sq' => 0.0,
|
|
'real' => 0.0,
|
|
'real_sq' => 0.0,
|
|
'count' => 0
|
|
);
|
|
}
|
|
|
|
public function getErrorEntry() {
|
|
$entry = $this->getZeroEntry();
|
|
$entry['count'] = 1;
|
|
return $entry;
|
|
}
|
|
|
|
public function updateEntry( $name, $elapsedCpu, $elapsedReal ) {
|
|
$entry =& $this->mCollated[$name];
|
|
if ( !is_array( $entry ) ) {
|
|
$entry = $this->getZeroEntry();
|
|
$this->mCollated[$name] =& $entry;
|
|
}
|
|
$entry['cpu'] += $elapsedCpu;
|
|
$entry['cpu_sq'] += $elapsedCpu * $elapsedCpu;
|
|
$entry['real'] += $elapsedReal;
|
|
$entry['real_sq'] += $elapsedReal * $elapsedReal;
|
|
$entry['count']++;
|
|
}
|
|
|
|
public function isPersistent() {
|
|
/* Implement in output subclasses */
|
|
return false;
|
|
}
|
|
|
|
protected function addInitialStack() {
|
|
$this->errorEntry = $this->getErrorEntry();
|
|
|
|
$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;
|
|
}
|
|
$elapsedcpu = $this->getTime( 'cpu' ) - $octime;
|
|
$elapsedreal = $this->getTime() - $ortime;
|
|
$this->updateEntry( $functionname, $elapsedcpu, $elapsedreal );
|
|
$this->updateTrxProfiling( $functionname, $elapsedreal );
|
|
}
|
|
}
|
|
|
|
public function getFunctionReport() {
|
|
/* Implement in output subclasses */
|
|
return '';
|
|
}
|
|
|
|
public function logData() {
|
|
/* Implement in subclasses */
|
|
}
|
|
}
|