c8b919aba2
This patch closes a number of space gaps in debug messages caused by the incorrect use of line continuation within strings. (There's also one consistency change to a similar, but correct, use of line continuation)
302 lines
8.1 KiB
C++
302 lines
8.1 KiB
C++
/*
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* Copyright (c) 2012 ARM Limited
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* All rights reserved
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*
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* The license below extends only to copyright in the software and shall
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* not be construed as granting a license to any other intellectual
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* property including but not limited to intellectual property relating
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* to a hardware implementation of the functionality of the software
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* licensed hereunder. You may use the software subject to the license
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* terms below provided that you ensure that this notice is replicated
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* unmodified and in its entirety in all distributions of the software,
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* modified or unmodified, in source code or in binary form.
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*
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* Copyright (c) 2004-2005 The Regents of The University of Michigan
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* Copyright (c) 2013 Advanced Micro Devices, Inc.
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* Copyright (c) 2013 Mark D. Hill and David A. Wood
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Nathan Binkert
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* Sascha Bischoff
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*/
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// This file will contain default statistics for the simulator that
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// don't really belong to a specific simulator object
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#include <fstream>
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#include <iostream>
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#include <list>
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#include "base/callback.hh"
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#include "base/hostinfo.hh"
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#include "base/statistics.hh"
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#include "base/time.hh"
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#include "cpu/base.hh"
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#include "sim/global_event.hh"
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#include "sim/stat_control.hh"
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using namespace std;
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Stats::Formula simSeconds;
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Stats::Value simTicks;
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Stats::Value finalTick;
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Stats::Value simFreq;
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namespace Stats {
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Time statTime(true);
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Tick startTick;
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GlobalEvent *dumpEvent;
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struct SimTicksReset : public Callback
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{
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void process()
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{
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statTime.setTimer();
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startTick = curTick();
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}
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};
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double
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statElapsedTime()
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{
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Time now;
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now.setTimer();
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Time elapsed = now - statTime;
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return elapsed;
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}
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Tick
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statElapsedTicks()
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{
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return curTick() - startTick;
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}
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Tick
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statFinalTick()
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{
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return curTick();
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}
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SimTicksReset simTicksReset;
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struct Global
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{
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Stats::Formula hostInstRate;
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Stats::Formula hostOpRate;
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Stats::Formula hostTickRate;
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Stats::Value hostMemory;
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Stats::Value hostSeconds;
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Stats::Value simInsts;
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Stats::Value simOps;
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Global();
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};
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Global::Global()
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{
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simInsts
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.functor(BaseCPU::numSimulatedInsts)
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.name("sim_insts")
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.desc("Number of instructions simulated")
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.precision(0)
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.prereq(simInsts)
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;
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simOps
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.functor(BaseCPU::numSimulatedOps)
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.name("sim_ops")
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.desc("Number of ops (including micro ops) simulated")
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.precision(0)
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.prereq(simOps)
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;
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simSeconds
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.name("sim_seconds")
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.desc("Number of seconds simulated")
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;
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simFreq
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.scalar(SimClock::Frequency)
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.name("sim_freq")
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.desc("Frequency of simulated ticks")
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;
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simTicks
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.functor(statElapsedTicks)
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.name("sim_ticks")
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.desc("Number of ticks simulated")
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;
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finalTick
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.functor(statFinalTick)
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.name("final_tick")
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.desc("Number of ticks from beginning of simulation "
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"(restored from checkpoints and never reset)")
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;
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hostInstRate
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.name("host_inst_rate")
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.desc("Simulator instruction rate (inst/s)")
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.precision(0)
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.prereq(simInsts)
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;
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hostOpRate
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.name("host_op_rate")
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.desc("Simulator op (including micro ops) rate (op/s)")
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.precision(0)
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.prereq(simOps)
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;
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hostMemory
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.functor(memUsage)
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.name("host_mem_usage")
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.desc("Number of bytes of host memory used")
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.prereq(hostMemory)
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;
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hostSeconds
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.functor(statElapsedTime)
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.name("host_seconds")
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.desc("Real time elapsed on the host")
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.precision(2)
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;
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hostTickRate
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.name("host_tick_rate")
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.desc("Simulator tick rate (ticks/s)")
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.precision(0)
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;
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simSeconds = simTicks / simFreq;
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hostInstRate = simInsts / hostSeconds;
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hostOpRate = simOps / hostSeconds;
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hostTickRate = simTicks / hostSeconds;
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registerResetCallback(&simTicksReset);
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}
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void
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initSimStats()
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{
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static Global global;
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}
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/**
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* Event to dump and/or reset the statistics.
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*/
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class StatEvent : public GlobalEvent
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{
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private:
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bool dump;
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bool reset;
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Tick repeat;
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public:
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StatEvent(Tick _when, bool _dump, bool _reset, Tick _repeat)
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: GlobalEvent(_when, Stat_Event_Pri, 0),
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dump(_dump), reset(_reset), repeat(_repeat)
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{
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}
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virtual void
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process()
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{
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if (dump)
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Stats::dump();
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if (reset)
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Stats::reset();
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if (repeat) {
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Stats::schedStatEvent(dump, reset, curTick() + repeat, repeat);
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}
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}
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const char *description() const { return "GlobalStatEvent"; }
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};
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void
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schedStatEvent(bool dump, bool reset, Tick when, Tick repeat)
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{
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// simQuantum is being added to the time when the stats would be
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// dumped so as to ensure that this event happens only after the next
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// sync amongst the event queues. Asingle event queue simulation
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// should remain unaffected.
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dumpEvent = new StatEvent(when + simQuantum, dump, reset, repeat);
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}
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void
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periodicStatDump(Tick period)
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{
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/*
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* If the period is set to 0, then we do not want to dump periodically,
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* thus we deschedule the event. Else, if the period is not 0, but the event
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* has already been scheduled, we need to get rid of the old event before we
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* create a new one, as the old event will no longer be moved forward in the
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* event that we resume from a checkpoint.
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*/
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if (dumpEvent != NULL && (period == 0 || dumpEvent->scheduled())) {
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// Event should AutoDelete, so we do not need to free it.
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dumpEvent->deschedule();
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}
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/*
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* If the period is not 0, we schedule the event. If this is called with a
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* period that is less than the current tick, then we shift the first dump
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* by curTick. This ensures that we do not schedule the event is the past.
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*/
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if (period != 0) {
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// Schedule the event
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if (period >= curTick()) {
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schedStatEvent(true, true, (Tick)period, (Tick)period);
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} else {
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schedStatEvent(true, true, (Tick)period + curTick(), (Tick)period);
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}
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}
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}
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void
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updateEvents()
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{
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/*
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* If the dumpEvent has been scheduled, but is scheduled in the past, then
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* we need to shift the event to be at a valid point in time. Therefore, we
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* shift the event by curTick.
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*/
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if (dumpEvent != NULL &&
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(dumpEvent->scheduled() && dumpEvent->when() < curTick())) {
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// shift by curTick() and reschedule
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Tick _when = dumpEvent->when();
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dumpEvent->reschedule(_when + curTick());
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}
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}
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} // namespace Stats
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