1 files changed, 127 insertions, 0 deletions
diff --git a/includes/profiler/ProfilerSimple.php b/includes/profiler/ProfilerSimple.php
new file mode 100644
index 00000000..bbdbec8e
--- /dev/null
+++ b/includes/profiler/ProfilerSimple.php
@@ -0,0 +1,127 @@
+<?php
+/**
+ * @file
+ * @ingroup Profiler
+ */
+
+/**
+ * Simple profiler base class.
+ * @todo document methods (?)
+ * @ingroup Profiler
+ */
+class ProfilerSimple extends Profiler {
+	var $mMinimumTime = 0;
+
+	var $zeroEntry = array('cpu'=> 0.0, 'cpu_sq' => 0.0, 'real' => 0.0, 'real_sq' => 0.0, 'count' => 0);
+	var $errorEntry;
+
+	function __construct( $params ) {
+		global $wgRequestTime, $wgRUstart;
+		parent::__construct( $params );
+
+		$this->errorEntry = $this->zeroEntry;
+		$this->errorEntry['count'] = 1;
+
+		if (!empty($wgRequestTime) && !empty($wgRUstart)) {
+			# Remove the -total entry from parent::__construct
+			$this->mWorkStack = array();
+
+			$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 = $this->zeroEntry;
+				$this->mCollated["-setup"] =& $entry;
+			}
+			$entry['cpu'] += $elapsedcpu;
+			$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
+			$entry['real'] += $elapsedreal;
+			$entry['real_sq'] += $elapsedreal*$elapsedreal;
+			$entry['count']++;
+		}
+	}
+
+	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 ), microtime(true), $this->getCpuTime());
+	}
+
+	function profileOut($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;
+			}
+			$entry =& $this->mCollated[$functionname];
+			$elapsedcpu = $this->getCpuTime() - $octime;
+			$elapsedreal = microtime(true) - $ortime;
+			if (!is_array($entry)) {
+				$entry = $this->zeroEntry;
+				$this->mCollated[$functionname] =& $entry;
+			}
+			$entry['cpu'] += $elapsedcpu;
+			$entry['cpu_sq'] += $elapsedcpu*$elapsedcpu;
+			$entry['real'] += $elapsedreal;
+			$entry['real_sq'] += $elapsedreal*$elapsedreal;
+			$entry['count']++;
+
+		}
+	}
+
+	public function getFunctionReport() {
+		/* Implement in output subclasses */
+		return '';
+	}
+
+	public function logData() {
+		/* Implement in subclasses */
+	}
+
+	function getCpuTime($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 ($time==null) {
+			return microtime(true);
+		}
+		list($a,$b)=explode(" ",$time);
+		return (float)($a+$b);
+	}
+}