description = array(); $this->startTime = array(); $this->endTime = array(); $this->initTime = 0; $this->cur_timer = ""; $this->stack = array(); $this->trail = ""; $this->trace = ""; $this->count = array(); $this->running = array(); $this->initTime = $this->getMicroTime(); $this->output_enabled = $output_enabled; $this->trace_enabled = $trace_enabled; $this->startTimer('unprofiled'); } // Public Methods public static function init() { if(!self::$inst) self::$inst = new Profiler(true,true); } public static function mark($name, $level2 = "", $desc = "") { if($level2 && $_GET['debug_profile'] > 1) $name .= " $level2"; if(!self::$inst) self::$inst = new Profiler(true,true); self::$inst->startTimer($name, $desc); } public static function unmark($name, $level2 = "", $desc = "") { if($level2 && $_GET['debug_profile'] > 1) $name .= " $level2"; if(!self::$inst) self::$inst = new Profiler(true,true); self::$inst->stopTimer($name, $desc); } public static function show($showTrace = false) { if(!self::$inst) self::$inst = new Profiler(true,true); echo "

"; echo "

"; self::$inst->printTimers(); if($showTrace) self::$inst->printTrace(); echo "

"; } /** * Start an individual timer * This will pause the running timer and place it on a stack. * @param string $name name of the timer * @param string optional $desc description of the timer */ public function startTimer($name, $desc="" ){ $this->trace.="start $name\n"; $n=array_push( $this->stack, $this->cur_timer ); $this->__suspendTimer( $this->stack[$n-1] ); $this->startTime[$name] = $this->getMicroTime(); $this->cur_timer=$name; $this->description[$name] = $desc; if (!array_key_exists($name,$this->count)) $this->count[$name] = 1; else $this->count[$name]++; } /** * Stop an individual timer * Restart the timer that was running before this one * @param string $name name of the timer */ public function stopTimer($name){ $this->trace.="stop $name\n"; $this->endTime[$name] = $this->getMicroTime(); if (!array_key_exists($name, $this->running)) $this->running[$name] = $this->elapsedTime($name); else $this->running[$name] += $this->elapsedTime($name); $this->cur_timer=array_pop($this->stack); $this->__resumeTimer($this->cur_timer); } /** * measure the elapsed time of a timer without stoping the timer if * it is still running */ public function elapsedTime($name){ // This shouldn't happen, but it does once. if (!array_key_exists($name,$this->startTime)) return 0; if(array_key_exists($name,$this->endTime)){ return ($this->endTime[$name] - $this->startTime[$name]); } else { $now=$this->getMicroTime(); return ($now - $this->startTime[$name]); } }//end start_time /** * Measure the elapsed time since the profile class was initialised * */ public function elapsedOverall(){ $oaTime = $this->getMicroTime() - $this->initTime; return($oaTime); }//end start_time /** * print out a log of all the timers that were registered * */ public function printTimers($enabled=false) { if($this->output_enabled||$enabled){ $TimedTotal = 0; $tot_perc = 0; ksort($this->description); print("

\n");
            $oaTime = $this->getMicroTime() - $this->initTime;
            echo"============================================================================\n";
            echo "                              PROFILER OUTPUT\n";
            echo"============================================================================\n";
            print( "Calls                    Time  Routine\n");
            echo"-----------------------------------------------------------------------------\n";
            while (list ($key, $val) = each ($this->description)) {
                $t = $this->elapsedTime($key);
                $total = $this->running[$key];
                $count = $this->count[$key];
                $TimedTotal += $total;
                $perc = ($total/$oaTime)*100;
                $tot_perc+=$perc;
                // $perc=sprintf("%3.2f", $perc );
                $lines[ sprintf( "%3d    %3.4f ms (%3.2f %%)  %s\n", $count, $total*1000, $perc, $key) ] = $total;
            }
			arsort($lines);
			foreach($lines as $line => $total) {
				echo $line;
			}

            echo "\n";

            $missed=$oaTime-$TimedTotal;
            $perc = ($missed/$oaTime)*100;
            $tot_perc+=$perc;
            // $perc=sprintf("%3.2f", $perc );
            printf( "       %3.4f ms (%3.2f %%)  %s\n", $missed*1000,$perc, "Missed");

            echo"============================================================================\n";

            printf( "       %3.4f ms (%3.2f %%)  %s\n", $oaTime*1000,$tot_perc, "OVERALL TIME");

            echo"============================================================================\n";

            print("

"); } } public function printTrace( $enabled=false ) { if($this->trace_enabled||$enabled){ print("

");
            print("Trace\n$this->trace\n\n");
            print("

"); } } /// Internal Use Only Functions /** * Get the current time as accuratly as possible * */ public function getMicroTime(){ $tmp=explode(' ', microtime()); $rt=$tmp[0]+$tmp[1]; return $rt; } /** * resume an individual timer * */ public function __resumeTimer($name){ $this->trace.="resume $name\n"; $this->startTime[$name] = $this->getMicroTime(); } /** * suspend an individual timer * */ public function __suspendTimer($name){ $this->trace.="suspend $name\n"; $this->endTime[$name] = $this->getMicroTime(); if (!array_key_exists($name, $this->running)) $this->running[$name] = $this->elapsedTime($name); else $this->running[$name] += $this->elapsedTime($name); } }