kernel_stats.hh revision 12181:2150eff234c1 
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 "sim/serialize.hh"
38#include "sim/stats.hh"
39
40// What does kernel stats expect is included?
41namespace Kernel {
42
43class Statistics : public Serializable
44{
45  protected:
46    std::string myname;
47
48  protected:
49    Stats::Scalar _arm;
50    Stats::Scalar _quiesce;
51    Stats::Scalar _hwrei;
52
53    Stats::Vector _iplCount;
54    Stats::Vector _iplGood;
55    Stats::Vector _iplTicks;
56    Stats::Formula _iplUsed;
57
58  private:
59    int iplLast;
60    Tick iplLastTick;
61
62  public:
63    Statistics();
64    virtual ~Statistics() {}
65
66    const std::string name() const { return myname; }
67    void regStats(const std::string &name);
68
69  public:
70    void arm() { _arm++; }
71    void quiesce() { _quiesce++; }
72    void swpipl(int ipl);
73
74  public:
75    void serialize(CheckpointOut &cp) const override;
76    void unserialize(CheckpointIn &cp) override;
77};
78
79} // namespace Kernel
80
81#endif // __KERNEL_STATS_HH__
82