src/mem/probes/stack_dist.hh

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#ifndef __MEM_PROBES_STACK_DIST_HH__
#define __MEM_PROBES_STACK_DIST_HH__

#include "mem/packet.hh"
#include "mem/probes/base.hh"
#include "mem/stack_dist_calc.hh"
#include "sim/stats.hh"

namespace gem5
{

struct StackDistProbeParams;

class StackDistProbe : public BaseMemProbe
{
  public:
    StackDistProbe(const StackDistProbeParams &params);

  protected:
    void handleRequest(const probing::PacketInfo &pkt_info) override;

  protected:
    // Cache line size to simulate
    const unsigned lineSize;

    // Disable the linear histograms
    const bool disableLinearHists;

    // Disable the logarithmic histograms
    const bool disableLogHists;

  protected:
    StackDistCalc calc;

    struct StackDistProbeStats : public statistics::Group
    {
        StackDistProbeStats(StackDistProbe* parent);

        // Reads linear histogram
        statistics::Histogram readLinearHist;

        // Reads logarithmic histogram
        statistics::SparseHistogram readLogHist;

        // Writes linear histogram
        statistics::Histogram writeLinearHist;

        // Writes logarithmic histogram
        statistics::SparseHistogram writeLogHist;

        // Writes logarithmic histogram
        statistics::Scalar infiniteSD;
    } stats;
};

} // namespace gem5

#endif //__MEM_PROBES_STACK_DIST_HH__