AccessTraceForAddress.cc revision 8165:5955406f7ed0
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#include "mem/ruby/common/Histogram.hh" 30#include "mem/ruby/profiler/AccessTraceForAddress.hh" 31 32AccessTraceForAddress::~AccessTraceForAddress() 33{ 34 if (m_histogram_ptr) { 35 delete m_histogram_ptr; 36 m_histogram_ptr = NULL; 37 } 38} 39 40void 41AccessTraceForAddress::print(std::ostream& out) const 42{ 43 out << m_addr; 44 45 if (m_histogram_ptr == NULL) { 46 out << " " << m_total; 47 out << " | " << m_loads; 48 out << " " << m_stores; 49 out << " " << m_atomics; 50 out << " | " << m_user; 51 out << " " << m_total-m_user; 52 out << " | " << m_sharing; 53 out << " | " << m_touched_by.count(); 54 } else { 55 assert(m_total == 0); 56 out << " " << (*m_histogram_ptr); 57 } 58} 59 60void 61AccessTraceForAddress::update(RubyRequestType type, 62 RubyAccessMode access_mode, NodeID cpu, 63 bool sharing_miss) 64{ 65 m_touched_by.add(cpu); 66 m_total++; 67 if(type == RubyRequestType_ATOMIC) { 68 m_atomics++; 69 } else if(type == RubyRequestType_LD){ 70 m_loads++; 71 } else if (type == RubyRequestType_ST){ 72 m_stores++; 73 } else { 74 // ERROR_MSG("Trying to add invalid access to trace"); 75 } 76 77 if (access_mode == RubyAccessMode_User) { 78 m_user++; 79 } 80 81 if (sharing_miss) { 82 m_sharing++; 83 } 84} 85 86int 87AccessTraceForAddress::getTotal() const 88{ 89 if (m_histogram_ptr == NULL) { 90 return m_total; 91 } else { 92 return m_histogram_ptr->getTotal(); 93 } 94} 95 96void 97AccessTraceForAddress::addSample(int value) 98{ 99 assert(m_total == 0); 100 if (m_histogram_ptr == NULL) { 101 m_histogram_ptr = new Histogram; 102 } 103 m_histogram_ptr->add(value); 104} 105