Profiler.java

/**
 * Copyright (c) 2005-2017, KoLmafia development team
 * http://kolmafia.sourceforge.net/
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *  [1] Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *  [2] Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the
 *      distribution.
 *  [3] Neither the name "KoLmafia" nor the names of its contributors may
 *      be used to endorse or promote products derived from this software
 *      without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION ) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE ) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

package net.sourceforge.kolmafia.textui;

import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.Iterator;

import net.sourceforge.kolmafia.KoLConstants;

public class Profiler
{
	public String name;
	public int count;
	public long total;	// milliseconds, added to all functions in call stack
	public long net;	// milliseconds, added to current function only
	public long net0;	// starting point for current net time accumulation
	
	private Profiler next;	// linked list
	private static Profiler freeList;
	private static HashMap<String, Profiler> totals =
		new HashMap<String, Profiler>();
	
	private Profiler()
	{
	}
	
	public static Profiler create( String name )
	{
		Profiler rv = Profiler.freeList;
		if ( rv == null )
		{
			rv = new Profiler();
		}
		else
		{
			Profiler.freeList = rv.next;
		}
		rv.name = name;
		rv.total = 0L;
		rv.net = 0L;
		return rv;
	}
	
	public void finish()
	{
		Profiler existing = (Profiler) Profiler.totals.get( this.name );
		if ( existing != null )
		{
			++existing.count;
			existing.total += this.total;
			existing.net += this.net;
			this.next = Profiler.freeList;
			Profiler.freeList = this;
		}
		else
		{
			this.count = 1;
			Profiler.totals.put( this.name, this );
		}
	}
	
	public static String summary()
	{
		StringBuffer buff = new StringBuffer();
		ArrayList<Profiler> list = new ArrayList<Profiler>();
		list.addAll( Profiler.totals.values() );
		Profiler.totals.clear();
		
		buff.append( "<br>" );
		
		Collections.sort( list, new Comparator<Profiler>() {
			public int compare( Profiler left, Profiler right )
			{
				return (int)Math.signum( right.total - left.total );
			}
		} );
		Profiler.addTable( buff, list, "(sorted by total time)" );
		
		buff.append( "<br>" );
		
		Collections.sort( list, new Comparator<Profiler>() {
			public int compare( Profiler left, Profiler right )
			{
				return (int)Math.signum( right.net - left.net );
			}
		} );
		Profiler.addTable( buff, list, "(sorted by net time)" );
		
		buff.append( "<br>" );
		return buff.toString();
	}
	
	private static void addTable( StringBuffer buff, ArrayList<Profiler> list, String title )
	{
		buff.append( "<table border=0><tr><td>Count</td><td>Total</td>" );
		buff.append( "<td>Net</td><td>Name " );
		buff.append( title );
		buff.append( "</td></tr>" );
		Iterator<Profiler> i = list.iterator();
		while ( i.hasNext() )
		{
			Profiler p = i.next();
			buff.append( "<tr><td>" );
			buff.append( p.count );
			buff.append( "</td><td>" );
			buff.append( KoLConstants.NONSCIENTIFIC_FORMAT.format( p.total / 1e9d ) );
			buff.append( "</td><td>" );
			buff.append( KoLConstants.NONSCIENTIFIC_FORMAT.format( p.net / 1e9d ) );
			buff.append( "</td><td>" );
			buff.append( p.name );
			buff.append( "</td></tr>" );
		}
		buff.append( "</table>" );
	}
}