kernel_stats.hh revision 10905:a6ca6831e775 
1/*
2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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 * Authors: Lisa Hsu
29 *          Nathan Binkert
30 */
31
32#ifndef __KERNEL_STATS_HH__
33#define __KERNEL_STATS_HH__
34
35#include <string>
36
37#include "config/the_isa.hh"
38#include "sim/serialize.hh"
39#include "sim/stats.hh"
40
41// What does kernel stats expect is included?
42class System;
43
44namespace Kernel {
45
46class Statistics : public Serializable
47{
48  protected:
49    std::string myname;
50
51  protected:
52    Stats::Scalar _arm;
53    Stats::Scalar _quiesce;
54    Stats::Scalar _hwrei;
55
56    Stats::Vector _iplCount;
57    Stats::Vector _iplGood;
58    Stats::Vector _iplTicks;
59    Stats::Formula _iplUsed;
60
61#if THE_ISA == ALPHA_ISA
62    Stats::Vector _syscall;
63#endif
64//    Stats::Vector _faults;
65
66  private:
67    int iplLast;
68    Tick iplLastTick;
69
70  public:
71    Statistics(System *system);
72    virtual ~Statistics() {}
73
74    const std::string name() const { return myname; }
75    void regStats(const std::string &name);
76
77  public:
78    void arm() { _arm++; }
79    void quiesce() { _quiesce++; }
80    void swpipl(int ipl);
81
82  public:
83    void serialize(CheckpointOut &cp) const M5_ATTR_OVERRIDE;
84    void unserialize(CheckpointIn &cp) M5_ATTR_OVERRIDE;
85};
86
87} // namespace Kernel
88
89#endif // __KERNEL_STATS_HH__
90