AccessTraceForAddress.cc revision 7055:4e24742201d7 
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    m_histogram_ptr = NULL;
35}
36
37AccessTraceForAddress::AccessTraceForAddress(const Address& addr)
38{
39    m_addr = addr;
40    m_total = 0;
41    m_loads = 0;
42    m_stores = 0;
43    m_atomics = 0;
44    m_user = 0;
45    m_sharing = 0;
46    m_histogram_ptr = NULL;
47}
48
49AccessTraceForAddress::~AccessTraceForAddress()
50{
51    if (m_histogram_ptr != NULL) {
52        delete m_histogram_ptr;
53        m_histogram_ptr = NULL;
54    }
55}
56
57void
58AccessTraceForAddress::print(std::ostream& out) const
59{
60    out << m_addr;
61
62    if (m_histogram_ptr == NULL) {
63        out << " " << m_total;
64        out << " | " << m_loads;
65        out << " " << m_stores;
66        out << " " << m_atomics;
67        out << " | " << m_user;
68        out << " " << m_total-m_user;
69        out << " | " << m_sharing;
70        out << " | " << m_touched_by.count();
71    } else {
72        assert(m_total == 0);
73        out << " " << (*m_histogram_ptr);
74    }
75}
76
77void
78AccessTraceForAddress::update(CacheRequestType type,
79                              AccessModeType access_mode, NodeID cpu,
80                              bool sharing_miss)
81{
82    m_touched_by.add(cpu);
83    m_total++;
84    if(type == CacheRequestType_ATOMIC) {
85        m_atomics++;
86    } else if(type == CacheRequestType_LD){
87        m_loads++;
88    } else if (type == CacheRequestType_ST){
89        m_stores++;
90    } else {
91        //  ERROR_MSG("Trying to add invalid access to trace");
92    }
93
94    if (access_mode == AccessModeType_UserMode) {
95        m_user++;
96    }
97
98    if (sharing_miss) {
99        m_sharing++;
100    }
101}
102
103int
104AccessTraceForAddress::getTotal() const
105{
106    if (m_histogram_ptr == NULL) {
107        return m_total;
108    } else {
109        return m_histogram_ptr->getTotal();
110    }
111}
112
113void
114AccessTraceForAddress::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