stats.cc revision 10458:64809024b924 
1/*
2 * Copyright (c) 2014 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 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions are
16 * met: redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer;
18 * redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution;
21 * neither the name of the copyright holders nor the names of its
22 * contributors may be used to endorse or promote products derived from
23 * this software without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
28 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
29 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
30 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
32 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
33 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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35 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 *
37 * Authors: Andrew Bardsley
38 */
39
40/**
41 * @file
42 *
43 *  C++-only configuration stats handling example
44 *
45 *  Register with: Stats::registerHandlers(statsReset, statsDump)
46 */
47
48#include "base/statistics.hh"
49#include "stats.hh"
50
51namespace CxxConfig
52{
53
54void statsPrepare()
55{
56    std::list<Stats::Info *> stats = Stats::statsList();
57
58    /* gather_stats -> prepare */
59    for (auto i = stats.begin(); i != stats.end(); ++i)
60        (*i)->prepare();
61}
62
63void statsDump()
64{
65    std::cerr << "Stats dump\n";
66
67    Stats::processDumpQueue();
68
69    std::list<Stats::Info *> stats = Stats::statsList();
70
71    statsPrepare();
72
73    /* gather_stats -> convert_value */
74    for (auto i = stats.begin(); i != stats.end(); ++i) {
75        Stats::Info *stat = *i;
76
77        Stats::ScalarInfo *scalar = dynamic_cast<Stats::ScalarInfo *>(stat);
78        Stats::VectorInfo *vector = dynamic_cast<Stats::VectorInfo *>(stat);
79
80        if (scalar) {
81            std::cerr << "SCALAR " << stat->name << ' '
82                << scalar->value() << '\n';
83        } else if (vector) {
84            Stats::VResult results = vector->value();
85
86            unsigned int index = 0;
87            for (auto e = results.begin(); e != results.end(); ++e) {
88                std::cerr << "VECTOR " << stat->name << '[' << index
89                    << "] " << (*e) << '\n';
90                index++;
91            }
92            std::cerr << "VTOTAL " << stat->name << ' '
93                << vector->total() << '\n';
94        } else {
95            std::cerr << "?????? " << stat->name << '\n';
96        }
97    }
98}
99
100void statsReset()
101{
102    std::cerr << "Stats reset\n";
103
104    Stats::processResetQueue();
105}
106
107void statsEnable()
108{
109    std::list<Stats::Info *> stats = Stats::statsList();
110
111    for (auto i = stats.begin(); i != stats.end(); ++i)
112        (*i)->enable();
113}
114
115}
116