org.adoptopenjdk.jitwatch.jarscan.allocationcount.InstructionAllocCountMap Maven / Gradle / Ivy

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A Maven plugin that scans the project artifact and its dependencies for methods that cannot be inlined by the JIT compiler. It uses the JarScan utility from the JITWatch project to do that. See https://github.com/AdoptOpenJDK/jitwatch .

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/*
 * Copyright (c) 2013-2016 Chris Newland.
 * Licensed under https://github.com/AdoptOpenJDK/jitwatch/blob/master/LICENSE-BSD
 * Instructions: https://github.com/AdoptOpenJDK/jitwatch/wiki
 */
package org.adoptopenjdk.jitwatch.jarscan.allocationcount;

import java.util.EnumMap;
import java.util.Map;

import org.adoptopenjdk.jitwatch.model.bytecode.Opcode;

public class InstructionAllocCountMap
{
	private Map opcodeMap = new EnumMap<>(Opcode.class);

	public void count(Opcode opcode, String allocatedType)
	{
		AllocCountMap typeCountMap = opcodeMap.get(opcode);

		if (typeCountMap == null)
		{
			typeCountMap = new AllocCountMap();
			opcodeMap.put(opcode, typeCountMap);
		}

		typeCountMap.countAllocationOfType(allocatedType);
	}

	public String toString(int limitPerInvoke)
	{
		StringBuilder builder = new StringBuilder();

		for (Map.Entry entry : opcodeMap.entrySet())
		{
			Opcode opcode = entry.getKey();
			AllocCountMap typeCountMap = entry.getValue();
			
			builder.append(typeCountMap.toString(opcode, limitPerInvoke));
		}

		return builder.toString();
	}
}