2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
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29 // This file will contain default statistics for the simulator that
30 // don't really belong to a specific simulator object
36 #include "base/callback.hh"
37 #include "base/hostinfo.hh"
38 #include "base/statistics.hh"
39 #include "base/str.hh"
40 #include "base/time.hh"
41 #include "base/stats/output.hh"
42 #include "cpu/base.hh"
43 #include "sim/eventq.hh"
44 #include "sim/sim_object.hh"
45 #include "sim/stat_control.hh"
46 #include "sim/root.hh"
50 Stats::Formula hostInstRate
;
51 Stats::Formula hostTickRate
;
52 Stats::Value hostMemory
;
53 Stats::Value hostSeconds
;
55 Stats::Value simTicks
;
56 Stats::Value simInsts
;
58 Stats::Formula simSeconds
;
66 class SimTicksReset
: public Callback
80 Time elapsed
= now
- statTime
;
87 return curTick
- startTick
;
90 SimTicksReset simTicksReset
;
96 .functor(BaseCPU::numSimulatedInstructions
)
98 .desc("Number of instructions simulated")
105 .desc("Number of seconds simulated")
109 .scalar(Clock::Frequency
)
111 .desc("Frequency of simulated ticks")
115 .functor(statElapsedTicks
)
117 .desc("Number of ticks simulated")
121 .name("host_inst_rate")
122 .desc("Simulator instruction rate (inst/s)")
129 .name("host_mem_usage")
130 .desc("Number of bytes of host memory used")
135 .functor(statElapsedTime
)
136 .name("host_seconds")
137 .desc("Real time elapsed on the host")
142 .name("host_tick_rate")
143 .desc("Simulator tick rate (ticks/s)")
147 simSeconds
= simTicks
/ simFreq
;
148 hostInstRate
= simInsts
/ hostSeconds
;
149 hostTickRate
= simTicks
/ hostSeconds
;
151 registerResetCallback(&simTicksReset
);
154 class StatEvent
: public Event
161 StatEvent(int _flags
, Tick _when
, Tick _repeat
);
162 virtual void process();
163 virtual const char *description();
166 StatEvent::StatEvent(int _flags
, Tick _when
, Tick _repeat
)
167 : Event(&mainEventQueue
, Stat_Event_Pri
),
168 flags(_flags
), repeat(_repeat
)
170 setFlags(AutoDelete
);
175 StatEvent::description()
177 return "Statistics dump and/or reset";
183 if (flags
& Stats::Dump
)
186 if (flags
& Stats::Reset
)
190 schedule(curTick
+ repeat
);
193 list
<Output
*> OutputList
;
198 assert(lastDump
<= curTick
);
199 if (lastDump
== curTick
)
203 list
<Output
*>::iterator i
= OutputList
.begin();
204 list
<Output
*>::iterator end
= OutputList
.end();
205 for (; i
!= end
; ++i
) {
207 if (!output
->valid())
215 SetupEvent(int flags
, Tick when
, Tick repeat
)
217 new StatEvent(flags
, when
, repeat
);
220 /* namespace Stats */ }