/*

* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  ?Description

*

*/

package com.nokia.mj.impl.utils;

import com.nokia.mj.impl.rt.support.Jvm;

import com.nokia.mj.impl.utils.Logger;

public final class StartUpTrace

{

    static

    {

        try

        {

            Jvm.loadSystemLibrary("javautils");

        }

        catch (Exception e)

        {

            Logger.ELOG(Logger.EUtils, "Error loading startup trace native.",

                        e);

        }

    }

    /**

     * Utility method for tracing the startup time.

     * @param[in] header The header of the trace.

     * @param[in] freeMem The amount of free memory of the Java heap. Set to -1

     *                    if unknown.

     * @param[in] totalMem The size of the Java heap. Set to -1 if unknown.

     */

    public static void doTrace(String header)

    {

        Runtime rt = Runtime.getRuntime();

        _doTrace(header, rt.freeMemory(), rt.totalMemory());

    }

    private static native void _doTrace(String header, long free, long total);

}