policy_pf.hh

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#ifndef __MEM_QOS_POLICY_PF_HH__
#define __MEM_QOS_POLICY_PF_HH__
 
#include <vector>
 
#include "base/compiler.hh"
#include "mem/qos/policy.hh"
#include "mem/request.hh"
 
namespace gem5
{
 
struct QoSPropFairPolicyParams;
 
namespace memory
{
 
namespace qos
{
 
class PropFairPolicy : public Policy
{
    using Params = QoSPropFairPolicyParams;
 
  public:
    PropFairPolicy(const Params &);
    virtual ~PropFairPolicy();
 
    void initRequestorName(const std::string requestor, const double score);
 
    void initRequestorObj(const SimObject* requestor, const double score);
 
    virtual uint8_t
    schedule(const RequestorID id, const uint64_t pkt_size) override;
 
  protected:
    template <typename Requestor>
    void initRequestor(const Requestor requestor, const double score);
 
    inline double
    updateScore(const double old_score, const uint64_t served_bytes) const;
 
  protected:
    const double weight;
 
    using RequestorHistory = std::pair<RequestorID, double>;
    std::vector<RequestorHistory> history;
};
 
} // namespace qos
} // namespace memory
} // namespace gem5
 
#endif // __MEM_QOS_POLICY_PF_HH__