2 * Copyright (c) 2004-2005 The Regents of The University of Michigan
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 * Authors: Nathan Binkert
31 // This file will contain default statistics for the simulator that
32 // don't really belong to a specific simulator object
38 #include "base/callback.hh"
39 #include "base/hostinfo.hh"
40 #include "base/statistics.hh"
41 #include "base/time.hh"
43 #include "config/the_isa.hh"
45 #include "arch/noisa/cpu_dummy.hh"
47 #include "cpu/base.hh"
50 #include "sim/eventq.hh"
51 #include "sim/stat_control.hh"
55 Stats::Formula simSeconds
;
56 Stats::Value simTicks
;
64 struct SimTicksReset
: public Callback
69 startTick
= curTick();
77 Time elapsed
= now
- statTime
;
84 return curTick() - startTick
;
87 SimTicksReset simTicksReset
;
91 Stats::Formula hostInstRate
;
92 Stats::Formula hostTickRate
;
93 Stats::Value hostMemory
;
94 Stats::Value hostSeconds
;
96 Stats::Value simInsts
;
104 .functor(BaseCPU::numSimulatedInstructions
)
106 .desc("Number of instructions simulated")
113 .desc("Number of seconds simulated")
117 .scalar(SimClock::Frequency
)
119 .desc("Frequency of simulated ticks")
123 .functor(statElapsedTicks
)
125 .desc("Number of ticks simulated")
129 .name("host_inst_rate")
130 .desc("Simulator instruction rate (inst/s)")
137 .name("host_mem_usage")
138 .desc("Number of bytes of host memory used")
143 .functor(statElapsedTime
)
144 .name("host_seconds")
145 .desc("Real time elapsed on the host")
150 .name("host_tick_rate")
151 .desc("Simulator tick rate (ticks/s)")
155 simSeconds
= simTicks
/ simFreq
;
156 hostInstRate
= simInsts
/ hostSeconds
;
157 hostTickRate
= simTicks
/ hostSeconds
;
159 registerResetCallback(&simTicksReset
);
165 static Global global
;
168 class StatEvent
: public Event
176 StatEvent(bool _dump
, bool _reset
, Tick _repeat
)
177 : Event(Stat_Event_Pri
), dump(_dump
), reset(_reset
), repeat(_repeat
)
179 setFlags(AutoDelete
);
192 Stats::schedStatEvent(dump
, reset
, curTick() + repeat
, repeat
);
198 schedStatEvent(bool dump
, bool reset
, Tick when
, Tick repeat
)
200 Event
*event
= new StatEvent(dump
, reset
, repeat
);
201 mainEventQueue
.schedule(event
, when
);