stat_control.hh revision 9554:406fbcf60223 
1/*
2 * Copyright (c) 2012 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2004-2005 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Nathan Binkert
41 *          Sascha Bischoff
42 */
43
44#ifndef __SIM_STAT_CONTROL_HH__
45#define __SIM_STAT_CONTROL_HH__
46
47namespace Stats {
48
49double statElapsedTime();
50
51Tick statElapsedTicks();
52
53Tick statFinalTick();
54
55void initSimStats();
56
57/**
58 * Update the events after resuming from a checkpoint. When resuming from a
59 * checkpoint, curTick will be updated, and any already scheduled events can
60 * end up scheduled in the past. This function checks if the dumpEvent is
61 * scheduled in the past, and reschedules it appropriately.
62 */
63void updateEvents();
64
65/**
66 * Schedule statistics dumping. This allows you to dump and/or reset the
67 * built-in statistics. This can either be done once, or it can be done on a
68 * regular basis.
69 * @param dump Set true to dump the statistics.
70 * @param reset Set true to reset the statistics.
71 * @param when When the dump and/or reset should occur.
72 * @param repeat How often the event should repeat. Set 0 to disable repeating.
73 */
74void schedStatEvent(bool dump, bool reset, Tick when = curTick(),
75                    Tick repeat = 0);
76
77/**
78 * Schedule periodic statistics dumping. This allows you to dump and reset the
79 * built-in statistics on a regular basis, thereby allowing the extraction of
80 * temporal trends in the data.
81 * @param period The period at which the dumping should occur.
82 */
83void periodicStatDump(Tick period = 0);
84} // namespace Stats
85
86#endif // __SIM_STAT_CONTROL_HH__
87