AccessTraceForAddress.hh 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#ifndef __MEM_RUBY_PROFILER_ACCESSTRACEFORADDRESS_HH__
30#define __MEM_RUBY_PROFILER_ACCESSTRACEFORADDRESS_HH__
31
32#include <iostream>
33
34#include "mem/protocol/RubyAccessMode.hh"
35#include "mem/protocol/RubyRequestType.hh"
36#include "mem/ruby/common/Address.hh"
37#include "mem/ruby/common/Global.hh"
38#include "mem/ruby/common/Set.hh"
39#include "mem/ruby/system/NodeID.hh"
40
41class Histogram;
42
43class AccessTraceForAddress
44{
45  public:
46    AccessTraceForAddress()
47        : m_loads(0), m_stores(0), m_atomics(0), m_total(0), m_user(0),
48          m_sharing(0), m_histogram_ptr(NULL)
49    { }
50    ~AccessTraceForAddress();
51
52    void setAddress(const Address& addr) { m_addr = addr; }
53    void update(RubyRequestType type, RubyAccessMode access_mode, NodeID cpu,
54                bool sharing_miss);
55    int getTotal() const;
56    int getSharing() const { return m_sharing; }
57    int getTouchedBy() const { return m_touched_by.count(); }
58    const Address& getAddress() const { return m_addr; }
59    void addSample(int value);
60
61    void print(std::ostream& out) const;
62
63    static inline bool
64    less_equal(const AccessTraceForAddress* n1,
65        const AccessTraceForAddress* n2)
66    {
67        return n1->getTotal() <= n2->getTotal();
68    }
69
70  private:
71    Address m_addr;
72    uint64 m_loads;
73    uint64 m_stores;
74    uint64 m_atomics;
75    uint64 m_total;
76    uint64 m_user;
77    uint64 m_sharing;
78    Set m_touched_by;
79    Histogram* m_histogram_ptr;
80};
81
82inline std::ostream&
83operator<<(std::ostream& out, const AccessTraceForAddress& obj)
84{
85    obj.print(out);
86    out << std::flush;
87    return out;
88}
89
90#endif // __MEM_RUBY_PROFILER_ACCESSTRACEFORADDRESS_HH__
91