kernel_stats.hh revision 3544:3db423e3b41d
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 <map> 36#include <stack> 37#include <string> 38#include <vector> 39 40#include "cpu/static_inst.hh" 41 42class BaseCPU; 43class ThreadContext; 44class FnEvent; 45// What does kernel stats expect is included? 46class System; 47 48namespace Kernel { 49 50enum cpu_mode { kernel, user, idle, cpu_mode_num }; 51extern const char *modestr[]; 52 53class Statistics : public Serializable 54{ 55 private: 56 std::string myname; 57 58 Addr idleProcess; 59 cpu_mode themode; 60 Tick lastModeTick; 61 62 void changeMode(cpu_mode newmode, ThreadContext *tc); 63 64 private: 65 Stats::Scalar<> _arm; 66 Stats::Scalar<> _quiesce; 67 Stats::Scalar<> _hwrei; 68 69 Stats::Vector<> _iplCount; 70 Stats::Vector<> _iplGood; 71 Stats::Vector<> _iplTicks; 72 Stats::Formula _iplUsed; 73 74 Stats::Vector<> _callpal; 75 Stats::Vector<> _syscall; 76// Stats::Vector<> _faults; 77 78 Stats::Vector<> _mode; 79 Stats::Vector<> _modeGood; 80 Stats::Formula _modeFraction; 81 Stats::Vector<> _modeTicks; 82 83 Stats::Scalar<> _swap_context; 84 85 private: 86 int iplLast; 87 Tick iplLastTick; 88 89 public: 90 Statistics(System *system); 91 92 const std::string name() const { return myname; } 93 void regStats(const std::string &name); 94 95 public: 96 void arm() { _arm++; } 97 void quiesce() { _quiesce++; } 98 void hwrei() { _hwrei++; } 99 void swpipl(int ipl); 100 void mode(cpu_mode newmode, ThreadContext *tc); 101 void context(Addr oldpcbb, Addr newpcbb, ThreadContext *tc); 102 void callpal(int code, ThreadContext *tc); 103 104 void setIdleProcess(Addr idle, ThreadContext *tc); 105 106 public: 107 virtual void serialize(std::ostream &os); 108 virtual void unserialize(Checkpoint *cp, const std::string §ion); 109}; 110 111/* end namespace Kernel */ } 112 113#endif // __KERNEL_STATS_HH__ 114