2 * Copyright (c) 2004 The Regents of The University of Michigan
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14 * this software without specific prior written permission.
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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_cpu.hh"
43 #include "sim/eventq.hh"
44 #include "sim/sim_object.hh"
45 #include "sim/stat_control.hh"
46 #include "sim/universe.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
;
65 class SimTicksReset
: public Callback
79 Time elapsed
= now
- statTime
;
86 return curTick
- startTick
;
89 SimTicksReset simTicksReset
;
95 .functor(BaseCPU::numSimulatedInstructions
)
97 .desc("Number of instructions simulated")
104 .desc("Number of seconds simulated")
108 .scalar(ticksPerSecond
)
110 .desc("Frequency of simulated ticks")
114 .functor(statElapsedTicks
)
116 .desc("Number of ticks simulated")
120 .name("host_inst_rate")
121 .desc("Simulator instruction rate (inst/s)")
128 .name("host_mem_usage")
129 .desc("Number of bytes of host memory used")
134 .functor(statElapsedTime
)
135 .name("host_seconds")
136 .desc("Real time elapsed on the host")
141 .name("host_tick_rate")
142 .desc("Simulator tick rate (ticks/s)")
146 simSeconds
= simTicks
/ simFreq
;
147 hostInstRate
= simInsts
/ hostSeconds
;
148 hostTickRate
= simTicks
/ hostSeconds
;
150 registerResetCallback(&simTicksReset
);
153 class StatEvent
: public Event
160 StatEvent(int _flags
, Tick _when
, Tick _repeat
);
161 virtual void process();
162 virtual const char *description();
165 StatEvent::StatEvent(int _flags
, Tick _when
, Tick _repeat
)
166 : Event(&mainEventQueue
, Stat_Event_Pri
),
167 flags(_flags
), repeat(_repeat
)
169 setFlags(AutoDelete
);
174 StatEvent::description()
176 return "Statistics dump and/or reset";
182 if (flags
& Stats::Dump
)
185 if (flags
& Stats::Reset
)
189 schedule(curTick
+ repeat
);
192 list
<Output
*> OutputList
;
197 list
<Output
*>::iterator i
= OutputList
.begin();
198 list
<Output
*>::iterator end
= OutputList
.end();
199 for (; i
!= end
; ++i
) {
201 if (!output
->valid())
209 SetupEvent(int flags
, Tick when
, Tick repeat
)
211 new StatEvent(flags
, when
, repeat
);
214 /* namespace Stats */ }