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/*
* 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_STORETRACE_HH__
#define __MEM_RUBY_PROFILER_STORETRACE_HH__
#include <iostream>
#include "base/types.hh"
#include "mem/ruby/common/Address.hh"
#include "mem/ruby/common/Histogram.hh"
class StoreTrace
{
public:
StoreTrace() { }
explicit StoreTrace(Addr addr);
~StoreTrace();
void store(NodeID node);
void downgrade(NodeID node);
int getTotal() const { return m_total_samples; }
static void initSummary();
static void printSummary(std::ostream& out);
static void clearSummary();
void print(std::ostream& out) const;
private:
static bool s_init;
static int64_t s_total_samples; // Total number of store lifetimes
// of all lines
static Histogram* s_store_count_ptr;
static Histogram* s_store_first_to_stolen_ptr;
static Histogram* s_store_last_to_stolen_ptr;
static Histogram* s_store_first_to_last_ptr;
Addr m_addr;
NodeID m_last_writer;
Tick m_first_store;
Tick m_last_store;
int m_stores_this_interval;
int64_t m_total_samples; // Total number of store lifetimes of this line
Histogram m_store_count;
Histogram m_store_first_to_stolen;
Histogram m_store_last_to_stolen;
Histogram m_store_first_to_last;
};
inline bool
node_less_then_eq(const StoreTrace* n1, const StoreTrace* n2)
{
return n1->getTotal() > n2->getTotal();
}
inline std::ostream&
operator<<(std::ostream& out, const StoreTrace& obj)
{
obj.print(out);
out << std::flush;
return out;
}
#endif // __MEM_RUBY_PROFILER_STORETRACE_HH__
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