src/kern/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 __KERNEL_STATS_HH__
  33 #define __KERNEL_STATS_HH__
  34
  35 #include <string>
  36
  37 #include "cpu/static_inst.hh"
  38 #include "sim/stats.hh"
  39 #include "sim/serialize.hh"
  40
  41 class BaseCPU;
  42 class ThreadContext;
  43 class FnEvent;
  44 // What does kernel stats expect is included?
  45 class System;
  46
  47 namespace Kernel {
  48
  49 class Statistics : public Serializable
  50 {
  51   protected:
  52     std::string myname;
  53
  54   protected:
  55     Stats::Scalar _arm;
  56     Stats::Scalar _quiesce;
  57     Stats::Scalar _hwrei;
  58
  59     Stats::Vector _iplCount;
  60     Stats::Vector _iplGood;
  61     Stats::Vector _iplTicks;
  62     Stats::Formula _iplUsed;
  63
  64     Stats::Vector _syscall;
  65 //    Stats::Vector _faults;
  66
  67   private:
  68     int iplLast;
  69     Tick iplLastTick;
  70
  71   public:
  72     Statistics(System *system);
  73     virtual ~Statistics() {}
  74
  75     const std::string name() const { return myname; }
  76     void regStats(const std::string &name);
  77
  78   public:
  79     void arm() { _arm++; }
  80     void quiesce() { _quiesce++; }
  81     void swpipl(int ipl);
  82
  83   public:
  84     virtual void serialize(std::ostream &os);
  85     virtual void unserialize(Checkpoint *cp, const std::string &section);
  86 };
  87
  88 /* end namespace Kernel */ }
  89
  90 #endif // __KERNEL_STATS_HH__