util/cxx_config/stats.cc

   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
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   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,
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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
  51 namespace CxxConfig
  52 {
  53
  54 void 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
  63 void 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
 100 void statsReset()
 101 {
 102     std::cerr << "Stats reset\n";
 103
 104     Stats::processResetQueue();
 105 }
 106
 107 void 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 }