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