traffic_gen.hh

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#ifndef __CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__
#define __CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__
 
#include <unordered_map>
 
#include "cpu/testers/traffic_gen/base.hh"
 
namespace gem5
{
 
struct TrafficGenParams;
 
class TrafficGen : public BaseTrafficGen
{
  private: // Params
    const std::string configFile;
 
  private:
    std::string resolveFile(const std::string &name);
 
    void parseConfig();
 
    size_t nextState();
 
    struct Transition
    {
        uint32_t from;
        uint32_t to;
        double p;
    };
 
    std::vector<std::vector<double> > transitionMatrix;
 
    uint32_t currState;
 
    std::unordered_map<uint32_t, std::shared_ptr<BaseGen>> states;
 
  protected: // BaseTrafficGen
    std::shared_ptr<BaseGen> nextGenerator() override;
 
  public:
 
    TrafficGen(const TrafficGenParams &p);
 
    ~TrafficGen() {}
 
    void init() override;
    void initState() override;
 
    void serialize(CheckpointOut &cp) const override;
    void unserialize(CheckpointIn &cp) override;
 
};
 
} // namespace gem5
 
#endif //__CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__