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/*
* 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.
*/
#ifndef __KERNEL_STATS_HH__
#define __KERNEL_STATS_HH__
#include <map>
#include <stack>
#include <string>
#include <vector>
#include "cpu/static_inst.hh"
class BaseCPU;
class ExecContext;
class FnEvent;
// What does kernel stats expect is included?
class System;
namespace Kernel {
enum cpu_mode { kernel, user, idle, interrupt, cpu_mode_num };
extern const char *modestr[];
class Binning
{
private:
std::string myname;
System *system;
private:
// lisa's binning stuff
struct fnCall
{
Stats::MainBin *myBin;
std::string name;
};
struct SWContext
{
Counter calls;
std::stack<fnCall *> callStack;
};
std::map<const std::string, Stats::MainBin *> fnBins;
std::map<const Addr, SWContext *> swCtxMap;
std::multimap<const std::string, std::string> callerMap;
void populateMap(std::string caller, std::string callee);
std::vector<FnEvent *> fnEvents;
Stats::Scalar<> fnCalls;
Stats::MainBin *getBin(const std::string &name);
bool findCaller(std::string, std::string) const;
SWContext *findContext(Addr pcb);
bool addContext(Addr pcb, SWContext *ctx)
{
return (swCtxMap.insert(std::make_pair(pcb, ctx))).second;
}
void remContext(Addr pcb)
{
swCtxMap.erase(pcb);
}
void dumpState() const;
SWContext *swctx;
std::vector<std::string> binned_fns;
private:
Stats::MainBin *modeBin[cpu_mode_num];
public:
const bool bin;
const bool fnbin;
cpu_mode themode;
void palSwapContext(ExecContext *xc);
void execute(ExecContext *xc, StaticInstPtr inst);
void call(ExecContext *xc, Stats::MainBin *myBin);
void changeMode(cpu_mode mode);
public:
Binning(System *sys);
virtual ~Binning();
const std::string name() const { return myname; }
void regStats(const std::string &name);
public:
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string §ion);
};
class Statistics : public Serializable
{
private:
friend class Binning;
private:
std::string myname;
ExecContext *xc;
Addr idleProcess;
cpu_mode themode;
Tick lastModeTick;
bool bin_int;
void changeMode(cpu_mode newmode);
private:
Stats::Scalar<> _arm;
Stats::Scalar<> _quiesce;
Stats::Scalar<> _ivlb;
Stats::Scalar<> _ivle;
Stats::Scalar<> _hwrei;
Stats::Vector<> _iplCount;
Stats::Vector<> _iplGood;
Stats::Vector<> _iplTicks;
Stats::Formula _iplUsed;
Stats::Vector<> _callpal;
Stats::Vector<> _syscall;
Stats::Vector<> _faults;
Stats::Vector<> _mode;
Stats::Vector<> _modeGood;
Stats::Formula _modeFraction;
Stats::Vector<> _modeTicks;
Stats::Scalar<> _swap_context;
private:
int iplLast;
Tick iplLastTick;
public:
Statistics(ExecContext *context);
const std::string name() const { return myname; }
void regStats(const std::string &name);
public:
void arm() { _arm++; }
void quiesce() { _quiesce++; }
void ivlb() { _ivlb++; }
void ivle() { _ivle++; }
void hwrei() { _hwrei++; }
void fault(Fault fault)
{
if(fault == NoFault) _faults[0]++;
else if(fault == MachineCheckFault) _faults[2]++;
else if(fault == AlignmentFault) _faults[7]++;
else _faults[fault->id]++;
}// FIXME: When there are no generic system fault objects, this will go back to _faults[fault]++; }
void swpipl(int ipl);
void mode(cpu_mode newmode);
void context(Addr oldpcbb, Addr newpcbb);
void callpal(int code);
void setIdleProcess(Addr idle);
public:
virtual void serialize(std::ostream &os);
virtual void unserialize(Checkpoint *cp, const std::string §ion);
};
/* end namespace Kernel */ }
#endif // __KERNEL_STATS_HH__
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