src/cpu/minor/stats.cc

   1 /*
   2  * Copyright (c) 2012-2014 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
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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 #include "cpu/minor/stats.hh"
  41
  42 namespace Minor
  43 {
  44
  45 MinorStats::MinorStats()
  46 { }
  47
  48 void
  49 MinorStats::regStats(const std::string &name, BaseCPU &baseCpu)
  50 {
  51     numInsts
  52         .name(name + ".committedInsts")
  53         .desc("Number of instructions committed");
  54
  55     numOps
  56         .name(name + ".committedOps")
  57         .desc("Number of ops (including micro ops) committed");
  58
  59     numDiscardedOps
  60         .name(name + ".discardedOps")
  61         .desc("Number of ops (including micro ops) which were discarded "
  62             "before commit");
  63
  64     numFetchSuspends
  65         .name(name + ".numFetchSuspends")
  66         .desc("Number of times Execute suspended instruction fetching");
  67
  68     quiesceCycles
  69         .name(name + ".quiesceCycles")
  70         .desc("Total number of cycles that CPU has spent quiesced or waiting "
  71               "for an interrupt")
  72         .prereq(quiesceCycles);
  73
  74     cpi
  75         .name(name + ".cpi")
  76         .desc("CPI: cycles per instruction")
  77         .precision(6);
  78     cpi = baseCpu.numCycles / numInsts;
  79
  80     ipc
  81         .name(name + ".ipc")
  82         .desc("IPC: instructions per cycle")
  83         .precision(6);
  84     ipc = numInsts / baseCpu.numCycles;
  85 }
  86
  87 };