AccessTraceForAddress.cc revision 7455 
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(CacheRequestType type,
62                              AccessModeType access_mode, NodeID cpu,
63                              bool sharing_miss)
64{
65    m_touched_by.add(cpu);
66    m_total++;
67    if(type == CacheRequestType_ATOMIC) {
68        m_atomics++;
69    } else if(type == CacheRequestType_LD){
70        m_loads++;
71    } else if (type == CacheRequestType_ST){
72        m_stores++;
73    } else {
74        //  ERROR_MSG("Trying to add invalid access to trace");
75    }
76
77    if (access_mode == AccessModeType_UserMode) {
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