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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();
+}
+