StoreTrace.hh revision 7048:2ab58c54de63
1/* 2 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are 7 * met: redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer; 9 * redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution; 12 * neither the name of the copyright holders nor the names of its 13 * contributors may be used to endorse or promote products derived from 14 * this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29#ifndef __MEM_RUBY_PROFILER_STORETRACE_HH__ 30#define __MEM_RUBY_PROFILER_STORETRACE_HH__ 31 32#include "mem/ruby/common/Address.hh" 33#include "mem/ruby/common/Global.hh" 34#include "mem/ruby/common/Histogram.hh" 35 36class StoreTrace 37{ 38 public: 39 StoreTrace() { } 40 explicit StoreTrace(const Address& addr); 41 ~StoreTrace(); 42 43 void store(NodeID node); 44 void downgrade(NodeID node); 45 int getTotal() const { return m_total_samples; } 46 static void initSummary(); 47 static void printSummary(ostream& out); 48 static void clearSummary(); 49 50 void print(ostream& out) const; 51 52 private: 53 static bool s_init; 54 static int64 s_total_samples; // Total number of store lifetimes 55 // of all lines 56 static Histogram* s_store_count_ptr; 57 static Histogram* s_store_first_to_stolen_ptr; 58 static Histogram* s_store_last_to_stolen_ptr; 59 static Histogram* s_store_first_to_last_ptr; 60 61 Address m_addr; 62 NodeID m_last_writer; 63 Time m_first_store; 64 Time m_last_store; 65 int m_stores_this_interval; 66 67 int64 m_total_samples; // Total number of store lifetimes of this line 68 Histogram m_store_count; 69 Histogram m_store_first_to_stolen; 70 Histogram m_store_last_to_stolen; 71 Histogram m_store_first_to_last; 72}; 73 74inline bool 75node_less_then_eq(const StoreTrace* n1, const StoreTrace* n2) 76{ 77 return n1->getTotal() > n2->getTotal(); 78} 79 80inline ostream& 81operator<<(ostream& out, const StoreTrace& obj) 82{ 83 obj.print(out); 84 out << flush; 85 return out; 86} 87 88#endif // __MEM_RUBY_PROFILER_STORETRACE_HH__ 89