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/str.hh"
42 #include "base/time.hh"
43 #include "base/stats/output.hh"
44 #include "cpu/base.hh"
45 #include "sim/eventq.hh"
46 #include "sim/sim_object.hh"
47 #include "sim/stat_control.hh"
48 #include "sim/root.hh"
52 Stats::Formula hostInstRate
;
53 Stats::Formula hostTickRate
;
54 Stats::Value hostMemory
;
55 Stats::Value hostSeconds
;
57 Stats::Value simTicks
;
58 Stats::Value simInsts
;
60 Stats::Formula simSeconds
;
68 class SimTicksReset
: public Callback
82 Time elapsed
= now
- statTime
;
89 return curTick
- startTick
;
92 SimTicksReset simTicksReset
;
98 .functor(BaseCPU::numSimulatedInstructions
)
100 .desc("Number of instructions simulated")
107 .desc("Number of seconds simulated")
111 .scalar(Clock::Frequency
)
113 .desc("Frequency of simulated ticks")
117 .functor(statElapsedTicks
)
119 .desc("Number of ticks simulated")
123 .name("host_inst_rate")
124 .desc("Simulator instruction rate (inst/s)")
131 .name("host_mem_usage")
132 .desc("Number of bytes of host memory used")
137 .functor(statElapsedTime
)
138 .name("host_seconds")
139 .desc("Real time elapsed on the host")
144 .name("host_tick_rate")
145 .desc("Simulator tick rate (ticks/s)")
149 simSeconds
= simTicks
/ simFreq
;
150 hostInstRate
= simInsts
/ hostSeconds
;
151 hostTickRate
= simTicks
/ hostSeconds
;
153 registerResetCallback(&simTicksReset
);
156 class StatEvent
: public Event
163 StatEvent(EventQueue
*queue
, int _flags
, Tick _when
, Tick _repeat
);
164 virtual void process();
165 virtual const char *description();
168 StatEvent::StatEvent(EventQueue
*queue
, int _flags
, Tick _when
, Tick _repeat
)
169 : Event(queue
, Stat_Event_Pri
),
170 flags(_flags
), repeat(_repeat
)
172 setFlags(AutoDelete
);
177 StatEvent::description()
179 return "Statistics dump and/or reset";
185 if (flags
& Stats::Dump
)
188 if (flags
& Stats::Reset
) {
189 cprintf("Resetting stats at cycle %d!\n", curTick
);
194 schedule(curTick
+ repeat
);
197 list
<Output
*> OutputList
;
202 assert(lastDump
<= curTick
);
203 if (lastDump
== curTick
)
207 list
<Output
*>::iterator i
= OutputList
.begin();
208 list
<Output
*>::iterator end
= OutputList
.end();
209 for (; i
!= end
; ++i
) {
211 if (!output
->valid())
219 SetupEvent(int flags
, Tick when
, Tick repeat
, EventQueue
*queue
)
222 queue
= &mainEventQueue
;
224 new StatEvent(queue
, flags
, when
, repeat
);
227 /* namespace Stats */ }
229 void debugDumpStats()