blob: 56e283f5050b2bb74d30b02e0b977dbbc94edbca [file] [log] [blame]
/*
* Copyright (c) 1999-2008 Mark D. Hill and David A. Wood
* 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 __MEM_RUBY_PROFILER_MEMCNTRLPROFILER_HH__
#define __MEM_RUBY_PROFILER_MEMCNTRLPROFILER_HH__
#include <iostream>
#include <string>
#include <vector>
#include "base/statistics.hh"
#include "mem/ruby/common/TypeDefines.hh"
class MemCntrlProfiler
{
public:
MemCntrlProfiler(const std::string& description, int banks_per_rank,
int ranks_per_dimm, int dimms_per_channel);
~MemCntrlProfiler();
void regStats();
void profileMemReq(int bank);
void profileMemBankBusy();
void profileMemBusBusy();
void profileMemTfawBusy();
void profileMemReadWriteBusy();
void profileMemDataBusBusy();
void profileMemRefresh();
void profileMemRead();
void profileMemWrite();
void profileMemWaitCycles(int cycles);
void profileMemInputQ(int cycles);
void profileMemBankQ(int cycles);
void profileMemArbWait(int cycles);
void profileMemRandBusy();
void profileMemNotOld();
void print(std::ostream& out) const;
private:
// Private copy constructor and assignment operator
MemCntrlProfiler(const MemCntrlProfiler& obj);
MemCntrlProfiler& operator=(const MemCntrlProfiler& obj);
std::string m_description;
Stats::Scalar m_memReq;
Stats::Scalar m_memRead;
Stats::Scalar m_memWrite;
Stats::Scalar m_memRefresh;
Stats::Scalar m_memWaitCycles;
Stats::Scalar m_memInputQ;
Stats::Scalar m_memBankQ;
Stats::Formula m_totalStalls;
Stats::Formula m_stallsPerReq;
Stats::Scalar m_memBankBusy;
Stats::Scalar m_memBusBusy;
Stats::Scalar m_memTfawBusy;
Stats::Scalar m_memReadWriteBusy;
Stats::Scalar m_memDataBusBusy;
Stats::Scalar m_memArbWait;
Stats::Scalar m_memRandBusy;
Stats::Scalar m_memNotOld;
Stats::Vector m_memBankCount;
int m_banks_per_rank;
int m_ranks_per_dimm;
int m_dimms_per_channel;
};
inline std::ostream&
operator<<(std::ostream& out, const MemCntrlProfiler& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_PROFILER_MEMCNTRLPROFILER_HH__