kernel_stats.hh revision 12181 
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 __ARCH_ALPHA_KERNEL_STATS_HH__
33#define __ARCH_ALPHA_KERNEL_STATS_HH__
34
35#include <map>
36#include <stack>
37#include <string>
38#include <vector>
39
40#include "cpu/static_inst.hh"
41#include "kern/kernel_stats.hh"
42
43class ThreadContext;
44
45namespace AlphaISA {
46namespace Kernel {
47
48enum cpu_mode { kernel, user, idle, cpu_mode_num };
49extern const char *modestr[];
50
51class Statistics : public ::Kernel::Statistics
52{
53  protected:
54    Addr idleProcess;
55    cpu_mode themode;
56    Tick lastModeTick;
57
58    void changeMode(cpu_mode newmode, ThreadContext *tc);
59
60  private:
61    Stats::Vector _callpal;
62//    Stats::Vector _faults;
63
64    Stats::Vector _mode;
65    Stats::Vector _modeGood;
66    Stats::Formula _modeFraction;
67    Stats::Vector _modeTicks;
68
69    Stats::Scalar _swap_context;
70
71  public:
72    Statistics();
73
74    void regStats(const std::string &name);
75
76  public:
77    void mode(cpu_mode newmode, ThreadContext *tc);
78    void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
79    void callpal(int code, ThreadContext *tc);
80    void hwrei() { _hwrei++; }
81
82    void setIdleProcess(Addr idle, ThreadContext *tc);
83
84  public:
85    void serialize(CheckpointOut &cp) const override;
86    void unserialize(CheckpointIn &cp) override;
87};
88
89} // namespace Kernel
90} // namespace AlphaISA
91
92#endif // __ARCH_ALPHA_KERNEL_STATS_HH__
93