AccessTraceForAddress.cc revision 6145:15cca6ab723a
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 */ 34 35#include "AccessTraceForAddress.hh" 36#include "Histogram.hh" 37 38AccessTraceForAddress::AccessTraceForAddress() 39{ 40 m_histogram_ptr = NULL; 41} 42 43AccessTraceForAddress::AccessTraceForAddress(const Address& addr) 44{ 45 m_addr = addr; 46 m_total = 0; 47 m_loads = 0; 48 m_stores = 0; 49 m_atomics = 0; 50 m_user = 0; 51 m_sharing = 0; 52 m_histogram_ptr = NULL; 53} 54 55AccessTraceForAddress::~AccessTraceForAddress() 56{ 57 if (m_histogram_ptr != NULL) { 58 delete m_histogram_ptr; 59 m_histogram_ptr = NULL; 60 } 61} 62 63void AccessTraceForAddress::print(ostream& out) const 64{ 65 out << m_addr; 66 67 if (m_histogram_ptr == NULL) { 68 out << " " << m_total; 69 out << " | " << m_loads; 70 out << " " << m_stores; 71 out << " " << m_atomics; 72 out << " | " << m_user; 73 out << " " << m_total-m_user; 74 out << " | " << m_sharing; 75 out << " | " << m_touched_by.count(); 76 } else { 77 assert(m_total == 0); 78 out << " " << (*m_histogram_ptr); 79 } 80} 81 82void AccessTraceForAddress::update(CacheRequestType type, AccessModeType access_mode, NodeID cpu, bool sharing_miss) 83{ 84 m_touched_by.add(cpu); 85 m_total++; 86 if(type == CacheRequestType_ATOMIC) { 87 m_atomics++; 88 } else if(type == CacheRequestType_LD){ 89 m_loads++; 90 } else if (type == CacheRequestType_ST){ 91 m_stores++; 92 } else { 93 // ERROR_MSG("Trying to add invalid access to trace"); 94 } 95 96 if (access_mode == AccessModeType_UserMode) { 97 m_user++; 98 } 99 100 if (sharing_miss) { 101 m_sharing++; 102 } 103} 104 105int AccessTraceForAddress::getTotal() const 106{ 107 if (m_histogram_ptr == NULL) { 108 return m_total; 109 } else { 110 return m_histogram_ptr->getTotal(); 111 } 112} 113 114void AccessTraceForAddress::addSample(int value) 115{ 116 assert(m_total == 0); 117 if (m_histogram_ptr == NULL) { 118 m_histogram_ptr = new Histogram; 119 } 120 m_histogram_ptr->add(value); 121} 122 123bool node_less_then_eq(const AccessTraceForAddress* n1, const AccessTraceForAddress* n2) 124{ 125 return (n1->getTotal() > n2->getTotal()); 126} 127