| /* |
| * Copyright (c) 2004-2005 The Regents of The University of Michigan |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Nathan Binkert |
| */ |
| |
| // This file will contain default statistics for the simulator that |
| // don't really belong to a specific simulator object |
| |
| #include <fstream> |
| #include <iostream> |
| #include <list> |
| |
| #include "base/callback.hh" |
| #include "base/hostinfo.hh" |
| #include "base/statistics.hh" |
| #include "base/time.hh" |
| #include "cpu/base.hh" |
| #include "sim/eventq.hh" |
| |
| using namespace std; |
| |
| Stats::Formula hostInstRate; |
| Stats::Formula hostTickRate; |
| Stats::Value hostMemory; |
| Stats::Value hostSeconds; |
| |
| Stats::Value simTicks; |
| Stats::Value simInsts; |
| Stats::Value simFreq; |
| Stats::Formula simSeconds; |
| |
| namespace Stats { |
| |
| Time statTime(true); |
| Tick startTick; |
| |
| struct SimTicksReset : public Callback |
| { |
| void process() |
| { |
| statTime.set(); |
| startTick = curTick; |
| } |
| }; |
| |
| double |
| statElapsedTime() |
| { |
| Time now(true); |
| Time elapsed = now - statTime; |
| return elapsed(); |
| } |
| |
| Tick |
| statElapsedTicks() |
| { |
| return curTick - startTick; |
| } |
| |
| SimTicksReset simTicksReset; |
| |
| void |
| initSimStats() |
| { |
| simInsts |
| .functor(BaseCPU::numSimulatedInstructions) |
| .name("sim_insts") |
| .desc("Number of instructions simulated") |
| .precision(0) |
| .prereq(simInsts) |
| ; |
| |
| simSeconds |
| .name("sim_seconds") |
| .desc("Number of seconds simulated") |
| ; |
| |
| simFreq |
| .scalar(Clock::Frequency) |
| .name("sim_freq") |
| .desc("Frequency of simulated ticks") |
| ; |
| |
| simTicks |
| .functor(statElapsedTicks) |
| .name("sim_ticks") |
| .desc("Number of ticks simulated") |
| ; |
| |
| hostInstRate |
| .name("host_inst_rate") |
| .desc("Simulator instruction rate (inst/s)") |
| .precision(0) |
| .prereq(simInsts) |
| ; |
| |
| hostMemory |
| .functor(memUsage) |
| .name("host_mem_usage") |
| .desc("Number of bytes of host memory used") |
| .prereq(hostMemory) |
| ; |
| |
| hostSeconds |
| .functor(statElapsedTime) |
| .name("host_seconds") |
| .desc("Real time elapsed on the host") |
| .precision(2) |
| ; |
| |
| hostTickRate |
| .name("host_tick_rate") |
| .desc("Simulator tick rate (ticks/s)") |
| .precision(0) |
| ; |
| |
| simSeconds = simTicks / simFreq; |
| hostInstRate = simInsts / hostSeconds; |
| hostTickRate = simTicks / hostSeconds; |
| |
| registerResetCallback(&simTicksReset); |
| } |
| |
| class _StatEvent : public Event |
| { |
| private: |
| bool dump; |
| bool reset; |
| Tick repeat; |
| |
| public: |
| _StatEvent(bool _dump, bool _reset, Tick _when, Tick _repeat) |
| : Event(&mainEventQueue, Stat_Event_Pri), dump(_dump), reset(_reset), |
| repeat(_repeat) |
| { |
| setFlags(AutoDelete); |
| schedule(_when); |
| } |
| |
| virtual void |
| process() |
| { |
| if (dump) |
| Stats::dump(); |
| |
| if (reset) |
| Stats::reset(); |
| |
| if (repeat) |
| new _StatEvent(dump, reset, curTick + repeat, repeat); |
| } |
| }; |
| |
| void |
| StatEvent(bool dump, bool reset, Tick when, Tick repeat) |
| { |
| new _StatEvent(dump, reset, when, repeat); |
| } |
| |
| /* namespace Stats */ } |