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/profiler/AccessTraceForAddress.hh"
30
31#include "mem/ruby/common/Histogram.hh"
32
33AccessTraceForAddress::~AccessTraceForAddress()
34{
35    if (m_histogram_ptr) {
36        delete m_histogram_ptr;
37        m_histogram_ptr = NULL;
38    }
39}
40
41void
42AccessTraceForAddress::print(std::ostream& out) const
43{
44    out << m_addr;
45
46    if (m_histogram_ptr == NULL) {
47        out << " " << m_total;
48        out << " | " << m_loads;
49        out << " " << m_stores;
50        out << " " << m_atomics;
51        out << " | " << m_user;
52        out << " " << m_total-m_user;
53        out << " | " << m_sharing;
54        out << " | " << m_touched_by.count();
55    } else {
56        assert(m_total == 0);
57        out << " " << (*m_histogram_ptr);
58    }
59}
60
61void
62AccessTraceForAddress::update(RubyRequestType type,
63                              RubyAccessMode access_mode, NodeID cpu,
64                              bool sharing_miss)
65{
66    m_touched_by.add(cpu);
67    m_total++;
68    if (type == RubyRequestType_ATOMIC) {
69        m_atomics++;
70    } else if (type == RubyRequestType_LD){
71        m_loads++;
72    } else if (type == RubyRequestType_ST){
73        m_stores++;
74    } else {
75        //  ERROR_MSG("Trying to add invalid access to trace");
76    }
77
78    if (access_mode == RubyAccessMode_User) {
79        m_user++;
80    }
81
82    if (sharing_miss) {
83        m_sharing++;
84    }
85}
86
87int
88AccessTraceForAddress::getTotal() const
89{
90    if (m_histogram_ptr == NULL) {
91        return m_total;
92    } else {
93        return m_histogram_ptr->getTotal();
94    }
95}
96
97void
98AccessTraceForAddress::addSample(int value)
99{
100    assert(m_total == 0);
101    if (m_histogram_ptr == NULL) {
102        m_histogram_ptr = new Histogram;
103    }
104    m_histogram_ptr->add(value);
105}
106