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/*
* Copyright (c) 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: Nathan Binkert
*/
#ifndef __CPU_PROFILE_HH__
#define __CPU_PROFILE_HH__
#include <map>
#include "arch/stacktrace.hh"
#include "base/types.hh"
#include "config/the_isa.hh"
#include "cpu/static_inst.hh"
class ThreadContext;
class ProfileNode
{
private:
friend class FunctionProfile;
typedef std::map<Addr, ProfileNode *> ChildList;
ChildList children;
public:
Counter count;
public:
ProfileNode();
void dump(const std::string &symbol, uint64_t id,
const SymbolTable *symtab, std::ostream &os) const;
void clear();
};
class Callback;
class FunctionProfile
{
private:
Callback *reset;
const SymbolTable *symtab;
ProfileNode top;
std::map<Addr, Counter> pc_count;
TheISA::StackTrace trace;
public:
FunctionProfile(const SymbolTable *symtab);
~FunctionProfile();
ProfileNode *consume(ThreadContext *tc, const StaticInstPtr &inst);
ProfileNode *consume(const std::vector<Addr> &stack);
void clear();
void dump(ThreadContext *tc, std::ostream &out) const;
void sample(ProfileNode *node, Addr pc);
};
inline ProfileNode *
FunctionProfile::consume(ThreadContext *tc, const StaticInstPtr &inst)
{
if (!trace.trace(tc, inst))
return NULL;
trace.dprintf();
return consume(trace.getstack());
}
#endif // __CPU_PROFILE_HH__
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