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/*
* Copyright (c) 2003 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.
*/
// 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/str.hh"
#include "base/time.hh"
#include "base/stats/output.hh"
#include "sim/eventq.hh"
#include "sim/sim_object.hh"
#include "sim/stat_control.hh"
#include "sim/universe.hh"
using namespace std;
Statistics::Formula hostInstRate;
Statistics::Formula hostMemory;
Statistics::Formula hostSeconds;
Statistics::Formula hostTickRate;
Statistics::Formula simInsts;
Statistics::Formula simSeconds;
Statistics::Formula simTicks;
namespace Statistics {
Time statTime(true);
Tick startTick;
class SimTicksReset : public Callback
{
public:
void process()
{
statTime.set();
startTick = curTick;
}
};
double
statElapsedTime()
{
Time now(true);
Time elapsed = now - statTime;
return elapsed();
}
SimTicksReset simTicksReset;
void
InitSimStats()
{
simInsts
.name("sim_insts")
.desc("Number of instructions simulated")
.precision(0)
.prereq(simInsts)
;
simSeconds
.name("sim_seconds")
.desc("Number of seconds simulated")
;
simTicks
.name("sim_ticks")
.desc("Number of ticks simulated")
;
hostInstRate
.name("host_inst_rate")
.desc("Simulator instruction rate (inst/s)")
.precision(0)
.prereq(simInsts)
;
hostMemory
.name("host_mem_usage")
.desc("Number of bytes of host memory used")
.prereq(hostMemory)
;
hostSeconds
.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)
;
simInsts = constant(0);
simTicks = scalar(curTick) - scalar(startTick);
simSeconds = simTicks / scalar(ticksPerSecond);
hostMemory = functor(memUsage);
hostSeconds = functor(statElapsedTime);
hostInstRate = simInsts / hostSeconds;
hostTickRate = simTicks / hostSeconds;
registerResetCallback(&simTicksReset);
}
class StatEvent : public Event
{
protected:
int flags;
Tick repeat;
public:
StatEvent(int _flags, Tick _when, Tick _repeat);
virtual void process();
virtual const char *description();
};
StatEvent::StatEvent(int _flags, Tick _when, Tick _repeat)
: Event(&mainEventQueue, Stat_Event_Pri),
flags(_flags), repeat(_repeat)
{
setFlags(AutoDelete);
schedule(_when);
}
const char *
StatEvent::description()
{
return "Statistics dump and/or reset";
}
void
StatEvent::process()
{
if (flags & Statistics::Dump)
DumpNow();
if (flags & Statistics::Reset)
reset();
if (repeat)
schedule(curTick + repeat);
}
list<Output *> OutputList;
void
DumpNow()
{
list<Output *>::iterator i = OutputList.begin();
list<Output *>::iterator end = OutputList.end();
for (; i != end; ++i) {
Output *output = *i;
if (!output->valid())
continue;
output->output();
}
}
void
SetupEvent(int flags, Tick when, Tick repeat)
{
new StatEvent(flags, when, repeat);
}
/* namespace Statistics */ }
extern "C" void
debugDumpStats()
{
Statistics::DumpNow();
}
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