StoreTrace.hh revision 6154:6bb54dcb940e
1 2/* 3 * Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer; 10 * redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution; 13 * neither the name of the copyright holders nor the names of its 14 * contributors may be used to endorse or promote products derived from 15 * this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 18 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 19 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 20 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 21 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30/* 31 * $Id$ 32 * 33 * Description: 34 * 35 */ 36 37#ifndef StoreTrace_H 38#define StoreTrace_H 39 40#include "mem/ruby/common/Global.hh" 41#include "mem/ruby/config/RubyConfig.hh" 42#include "mem/ruby/common/Address.hh" 43#include "mem/ruby/common/Histogram.hh" 44 45class StoreTrace { 46public: 47 // Constructors 48 StoreTrace() { } 49 explicit StoreTrace(const Address& addr); 50 51 // Destructor 52 ~StoreTrace(); 53 54 // Public Methods 55 void store(NodeID node); 56 void downgrade(NodeID node); 57 int getTotal() const { return m_total_samples; } 58 static void initSummary(); 59 static void printSummary(ostream& out); 60 static void clearSummary(); 61 62 void print(ostream& out) const; 63private: 64 // Private Methods 65 66 // Private copy constructor and assignment operator 67 // StoreTrace(const StoreTrace& obj); 68 // StoreTrace& operator=(const StoreTrace& obj); 69 70 // Class Members (s_ prefix) 71 static bool s_init; 72 static int64 s_total_samples; // Total number of store lifetimes of all lines 73 static Histogram* s_store_count_ptr; 74 static Histogram* s_store_first_to_stolen_ptr; 75 static Histogram* s_store_last_to_stolen_ptr; 76 static Histogram* s_store_first_to_last_ptr; 77 78 // Data Members (m_ prefix) 79 80 Address m_addr; 81 NodeID m_last_writer; 82 Time m_first_store; 83 Time m_last_store; 84 int m_stores_this_interval; 85 86 int64 m_total_samples; // Total number of store lifetimes of this line 87 Histogram m_store_count; 88 Histogram m_store_first_to_stolen; 89 Histogram m_store_last_to_stolen; 90 Histogram m_store_first_to_last; 91}; 92 93bool node_less_then_eq(const StoreTrace* n1, const StoreTrace* n2); 94 95// Output operator declaration 96ostream& operator<<(ostream& out, const StoreTrace& obj); 97 98// ******************* Definitions ******************* 99 100// Output operator definition 101extern inline 102ostream& operator<<(ostream& out, const StoreTrace& obj) 103{ 104 obj.print(out); 105 out << flush; 106 return out; 107} 108 109#endif //StoreTrace_H 110