src/arch/alpha/kernel_stats.hh

   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
  43 class ThreadContext;
  44
  45 namespace AlphaISA {
  46 namespace Kernel {
  47
  48 enum cpu_mode { kernel, user, idle, cpu_mode_num };
  49 extern const char *modestr[];
  50
  51 class 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
  63     Stats::Scalar _hwrei;
  64
  65     Stats::Vector _mode;
  66     Stats::Vector _modeGood;
  67     Stats::Formula _modeFraction;
  68     Stats::Vector _modeTicks;
  69
  70     Stats::Scalar _swap_context;
  71
  72     Stats::Vector _iplCount;
  73     Stats::Vector _iplGood;
  74     Stats::Vector _iplTicks;
  75     Stats::Formula _iplUsed;
  76
  77   private:
  78     int iplLast;
  79     Tick iplLastTick;
  80
  81   public:
  82     Statistics();
  83
  84     void regStats(const std::string &name) override;
  85
  86   public:
  87     void mode(cpu_mode newmode, ThreadContext *tc);
  88     void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc);
  89     void callpal(int code, ThreadContext *tc);
  90     void hwrei() { _hwrei++; }
  91     void swpipl(int ipl);
  92
  93     void setIdleProcess(Addr idle, ThreadContext *tc);
  94
  95   public:
  96     void serialize(CheckpointOut &cp) const override;
  97     void unserialize(CheckpointIn &cp) override;
  98 };
  99
 100 } // namespace Kernel
 101 } // namespace AlphaISA
 102
 103 #endif // __ARCH_ALPHA_KERNEL_STATS_HH__