src/mem/probes/stack_dist.hh

   1 /*
   2  * Copyright (c) 2015 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 #ifndef __MEM_PROBES_STACK_DIST_HH__
  39 #define __MEM_PROBES_STACK_DIST_HH__
  40
  41 #include "mem/packet.hh"
  42 #include "mem/probes/base.hh"
  43 #include "mem/stack_dist_calc.hh"
  44 #include "sim/stats.hh"
  45
  46 struct StackDistProbeParams;
  47
  48 class StackDistProbe : public BaseMemProbe
  49 {
  50   public:
  51     StackDistProbe(const StackDistProbeParams &params);
  52
  53   protected:
  54     void handleRequest(const ProbePoints::PacketInfo &pkt_info) override;
  55
  56   protected:
  57     // Cache line size to simulate
  58     const unsigned lineSize;
  59
  60     // Disable the linear histograms
  61     const bool disableLinearHists;
  62
  63     // Disable the logarithmic histograms
  64     const bool disableLogHists;
  65
  66   protected:
  67     StackDistCalc calc;
  68
  69     struct StackDistProbeStats : public Stats::Group
  70     {
  71         StackDistProbeStats(StackDistProbe* parent);
  72
  73         // Reads linear histogram
  74         Stats::Histogram readLinearHist;
  75
  76         // Reads logarithmic histogram
  77         Stats::SparseHistogram readLogHist;
  78
  79         // Writes linear histogram
  80         Stats::Histogram writeLinearHist;
  81
  82         // Writes logarithmic histogram
  83         Stats::SparseHistogram writeLogHist;
  84
  85         // Writes logarithmic histogram
  86         Stats::Scalar infiniteSD;
  87     } stats;
  88 };
  89
  90
  91 #endif //__MEM_PROBES_STACK_DIST_HH__