AddressProfiler.hh revision 8174:e21f6e70169e 
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_ADDRESSPROFILER_HH__
30#define __MEM_RUBY_PROFILER_ADDRESSPROFILER_HH__
31
32#include <iostream>
33
34#include "base/hashmap.hh"
35#include "mem/protocol/AccessType.hh"
36#include "mem/protocol/RubyRequest.hh"
37#include "mem/ruby/common/Address.hh"
38#include "mem/ruby/common/Global.hh"
39#include "mem/ruby/common/Histogram.hh"
40#include "mem/ruby/profiler/AccessTraceForAddress.hh"
41#include "mem/ruby/system/NodeID.hh"
42
43class Set;
44
45class AddressProfiler
46{
47  public:
48    typedef m5::hash_map<Address, AccessTraceForAddress> AddressMap;
49
50  public:
51    AddressProfiler(int num_of_sequencers);
52    ~AddressProfiler();
53
54    void printStats(std::ostream& out) const;
55    void clearStats();
56
57    void addTraceSample(Address data_addr, Address pc_addr,
58                        RubyRequestType type, RubyAccessMode access_mode,
59                        NodeID id, bool sharing_miss);
60    void profileRetry(const Address& data_addr, AccessType type, int count);
61    void profileGetX(const Address& datablock, const Address& PC,
62                     const Set& owner, const Set& sharers, NodeID requestor);
63    void profileGetS(const Address& datablock, const Address& PC,
64                     const Set& owner, const Set& sharers, NodeID requestor);
65
66    void print(std::ostream& out) const;
67
68    //added by SS
69    void setHotLines(bool hot_lines);
70    void setAllInstructions(bool all_instructions);
71
72  private:
73    // Private copy constructor and assignment operator
74    AddressProfiler(const AddressProfiler& obj);
75    AddressProfiler& operator=(const AddressProfiler& obj);
76
77    int64 m_sharing_miss_counter;
78
79    AddressMap m_dataAccessTrace;
80    AddressMap m_macroBlockAccessTrace;
81    AddressMap m_programCounterAccessTrace;
82    AddressMap m_retryProfileMap;
83    Histogram m_retryProfileHisto;
84    Histogram m_retryProfileHistoWrite;
85    Histogram m_retryProfileHistoRead;
86    Histogram m_getx_sharing_histogram;
87    Histogram m_gets_sharing_histogram;
88
89    //added by SS
90    bool m_hot_lines;
91    bool m_all_instructions;
92
93    int m_num_of_sequencers;
94};
95
96inline std::ostream&
97operator<<(std::ostream& out, const AddressProfiler& obj)
98{
99    obj.print(out);
100    out << std::flush;
101    return out;
102}
103
104#endif // __MEM_RUBY_PROFILER_ADDRESSPROFILER_HH__
105