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cpuStack.h

/*
 *                         Sun Public License Notice
 *
 * The contents of this file are subject to the Sun Public License
 * Version 1.0 (the "License"); you may not use this file except
 * in compliance with the License. A copy of the License is available
 * at http://www.sun.com/
 *
 * The Original Code is the Java Profiler module.  The Initial Developers
 * of the Original Code are Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
 * Lukas Petru and Marek Przeczek.
 *
 * Portions created by Jan Stola are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Pavel Vacha are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Michal Pise are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Petr Luner are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Lukas Petru are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Portions created by Marek Przeczek are Copyright (C) 2000-2001.
 * All Rights Reserved.
 *
 * Contributors: Jan Stola, Pavel Vacha, Michal Pise, Petr Luner,
 *               Lukas Petru and Marek Przeczek.
 */

#ifndef _CPU_STACK_H_
#define _CPU_STACK_H_

#include "../main/includes.h"

class CpuStack {

        struct Frame {

                JVMPI_CallFrame callFrame;
                
                jlong entryTime;                

                jlong calleesTime;              
        };

private:

        Frame* stack;           

        long size;                      

        long top;                       

public:

        CpuStack() :

                stack( NULL),
                size( 0),
                top( -1)

                {}

        ~CpuStack();

        void push( JVMPI_CallFrame& callFrame, jlong entryTime);

        void pop( jlong exitTime, jlong& totalTime, jlong& pureTime);

        int getTopCallTrace(int maxFrames, JVMPI_CallFrame* frames) const;

private:

        void grow();
};

#endif // _CPU_STACK_H_

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