gem5/src/kern/kernel_stats.hh

92 lines
2.7 KiB
C++

/*
* Copyright (c) 2004-2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* 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;
* neither the name of the copyright holders 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.
*
* Authors: Lisa Hsu
* Nathan Binkert
*/
#ifndef __KERNEL_STATS_HH__
#define __KERNEL_STATS_HH__
#include <string>
#include "cpu/static_inst.hh"
#include "sim/serialize.hh"
#include "sim/stats.hh"
class BaseCPU;
class ThreadContext;
class FnEvent;
// What does kernel stats expect is included?
class System;
namespace Kernel {
class Statistics : public Serializable
{
protected:
std::string myname;
protected:
Stats::Scalar _arm;
Stats::Scalar _quiesce;
Stats::Scalar _hwrei;
Stats::Vector _iplCount;
Stats::Vector _iplGood;
Stats::Vector _iplTicks;
Stats::Formula _iplUsed;
#if THE_ISA == ALPHA_ISA
Stats::Vector _syscall;
#endif
// Stats::Vector _faults;
private:
int iplLast;
Tick iplLastTick;
public:
Statistics(System *system);
virtual ~Statistics() {}
const std::string name() const { return myname; }
void regStats(const std::string &name);
public:
void arm() { _arm++; }
void quiesce() { _quiesce++; }
void swpipl(int ipl);
public:
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string &section);
};
} // namespace Kernel
#endif // __KERNEL_STATS_HH__