/* * Copyright (c) 2003, 2004, 2005 * The Regents of The University of Michigan * All Rights Reserved * * This code is part of the M5 simulator, developed by Nathan Binkert, * Erik Hallnor, Steve Raasch, and Steve Reinhardt, with contributions * from Ron Dreslinski, Dave Greene, Lisa Hsu, Kevin Lim, Ali Saidi, * and Andrew Schultz. * * Permission is granted to use, copy, create derivative works and * redistribute this software and such derivative works for any * purpose, so long as the copyright notice above, this grant of * permission, and the disclaimer below appear in all copies made; and * so long as the name of The University of Michigan is not used in * any advertising or publicity pertaining to the use or distribution * of this software without specific, written prior authorization. * * THIS SOFTWARE IS PROVIDED AS IS, WITHOUT REPRESENTATION FROM THE * UNIVERSITY OF MICHIGAN AS TO ITS FITNESS FOR ANY PURPOSE, AND * WITHOUT WARRANTY BY THE UNIVERSITY OF MICHIGAN OF ANY KIND, EITHER * EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE. THE REGENTS OF THE UNIVERSITY OF MICHIGAN SHALL NOT BE * LIABLE FOR ANY DAMAGES, INCLUDING DIRECT, SPECIAL, INDIRECT, * INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WITH RESPECT TO ANY CLAIM * ARISING OUT OF OR IN CONNECTION WITH THE USE OF THE SOFTWARE, EVEN * IF IT HAS BEEN OR IS HEREAFTER ADVISED OF THE POSSIBILITY OF SUCH * DAMAGES. */#ifndef __SAMPLING_CPU_HH__#define __SAMPLING_CPU_HH__#include <vector>#include "sim/sim_object.hh"#include "sim/eventq.hh"class BaseCPU;class Sampler : public SimObject{  private:    std::vector<BaseCPU *> phase0_cpus;    std::vector<BaseCPU *> phase1_cpus;    std::vector<Tick> periods;    int	phase;    int numFinished;    int size;  protected:    friend class CpuSwitchEvent;  public:    Sampler(const std::string &_name,	    std::vector<BaseCPU *> &_phase0_cpus, 	    std::vector<BaseCPU *> &_phase1_cpus, 	    std::vector<Tick> &_periods);    virtual ~Sampler();    virtual void init();    virtual void startup();    void switchCPUs();    void signalSwitched();    void serialize(std::ostream &os);    void unserialize(Checkpoint *cp, const std::string &section);    };#endif // __SAMPLING_CPU_HH__