src/base/stats/group.cc

   1 /*
   2  * Copyright (c) 2019 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,
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  35  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  36  */
  37
  38 #include "base/stats/group.hh"
  39
  40 #include <cassert>
  41
  42 #include "base/stats/info.hh"
  43 #include "base/trace.hh"
  44 #include "debug/Stats.hh"
  45 #include "sim/sim_object.hh"
  46
  47 namespace Stats {
  48
  49 Group::Group(Group *parent, const char *name)
  50     : mergedParent(name ? nullptr : parent)
  51 {
  52     if (parent && name) {
  53         parent->addStatGroup(name, this);
  54     } else if (parent && !name) {
  55         parent->mergeStatGroup(this);
  56     }
  57 }
  58
  59 Group::~Group()
  60 {
  61 }
  62
  63 void
  64 Group::regStats()
  65 {
  66     for (auto &g : mergedStatGroups)
  67         g->regStats();
  68
  69     for (auto &g : statGroups) {
  70         if (DTRACE(Stats)) {
  71             const SimObject M5_VAR_USED *so =
  72                 dynamic_cast<const SimObject *>(this);
  73             DPRINTF(Stats, "%s: regStats in group %s\n",
  74                     so ? so->name() : "?",
  75                     g.first);
  76         }
  77         g.second->regStats();
  78     }
  79 }
  80
  81 void
  82 Group::resetStats()
  83 {
  84     for (auto &s : stats)
  85         s->reset();
  86
  87     for (auto &g : mergedStatGroups)
  88         g->resetStats();
  89
  90     for (auto &g : statGroups)
  91         g.second->resetStats();
  92 }
  93
  94 void
  95 Group::preDumpStats()
  96 {
  97     for (auto &g : mergedStatGroups)
  98         g->preDumpStats();
  99
 100     for (auto &g : statGroups)
 101         g.second->preDumpStats();
 102 }
 103
 104 void
 105 Group::addStat(Stats::Info *info)
 106 {
 107     stats.push_back(info);
 108     if (mergedParent)
 109         mergedParent->addStat(info);
 110 }
 111
 112 void
 113 Group::addStatGroup(const char *name, Group *block)
 114 {
 115     assert(statGroups.find(name) == statGroups.end());
 116
 117     statGroups[name] = block;
 118 }
 119
 120 void
 121 Group::mergeStatGroup(Group *block)
 122 {
 123     mergedStatGroups.push_back(block);
 124 }
 125
 126 const std::map<std::string, Group *> &
 127 Group::getStatGroups() const
 128 {
 129     return statGroups;
 130 }
 131
 132 const std::vector<Info *> &
 133 Group::getStats() const
 134 {
 135     return stats;
 136 }
 137
 138 } // namespace Stats