kernel_stats.hh revision 3560 
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/base_kernel_stats.hh"
42
43class BaseCPU;
44class ThreadContext;
45class FnEvent;
46// What does kernel stats expect is included?
47class System;
48
49namespace AlphaISA {
50namespace Kernel {
51
52enum cpu_mode { kernel, user, idle, cpu_mode_num };
53extern const char *modestr[];
54
55class Statistics : public ::Kernel::Statistics
56{
57  protected:
58    Addr idleProcess;
59    cpu_mode themode;
60    Tick lastModeTick;
61
62    void changeMode(cpu_mode newmode, ThreadContext *tc);
63
64  private:
65    Stats::Vector<> _callpal;
66//    Stats::Vector<> _faults;
67
68    Stats::Vector<> _mode;
69    Stats::Vector<> _modeGood;
70    Stats::Formula _modeFraction;
71    Stats::Vector<> _modeTicks;
72
73    Stats::Scalar<> _swap_context;
74
75  public:
76    Statistics(System *system);
77
78    void regStats(const std::string &name);
79
80  public:
81    void mode(cpu_mode newmode, ThreadContext *tc);
82    void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
83    void callpal(int code, ThreadContext *tc);
84    void hwrei() { _hwrei++; }
85
86    void setIdleProcess(Addr idle, ThreadContext *tc);
87
88  public:
89    void serialize(std::ostream &os);
90    void unserialize(Checkpoint *cp, const std::string &section);
91};
92
93} /* end namespace AlphaISA::Kernel */
94} /* end namespace AlphaISA */
95
96#endif // __ARCH_ALPHA_KERNEL_STATS_HH__
97