gem5  v20.1.0.0
traffic_gen.hh
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37 
38 #ifndef __CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__
39 #define __CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__
40 
41 #include <unordered_map>
42 
44 
45 struct TrafficGenParams;
46 
67 class TrafficGen : public BaseTrafficGen
68 {
69  private: // Params
73  const std::string configFile;
74 
75  private:
89  std::string resolveFile(const std::string &name);
90 
95  void parseConfig();
96 
100  size_t nextState();
101 
103  struct Transition {
104  uint32_t from;
105  uint32_t to;
106  double p;
107  };
108 
111 
113  uint32_t currState;
114 
116  std::unordered_map<uint32_t, std::shared_ptr<BaseGen>> states;
117 
118  protected: // BaseTrafficGen
119  std::shared_ptr<BaseGen> nextGenerator() override;
120 
121  public:
122 
123  TrafficGen(const TrafficGenParams* p);
124 
126 
127  void init() override;
128  void initState() override;
129 
130  void serialize(CheckpointOut &cp) const override;
131  void unserialize(CheckpointIn &cp) override;
132 
133 };
134 
135 #endif //__CPU_TRAFFIC_GEN_TRAFFIC_GEN_HH__
TrafficGen::Transition
Struct to represent a probabilistic transition during parsing.
Definition: traffic_gen.hh:103
TrafficGen::Transition::from
uint32_t from
Definition: traffic_gen.hh:104
TrafficGen::serialize
void serialize(CheckpointOut &cp) const override
Serialize an object.
Definition: traffic_gen.cc:91
TrafficGen::resolveFile
std::string resolveFile(const std::string &name)
Resolve a file path in the configuration file.
Definition: traffic_gen.cc:110
TrafficGen::unserialize
void unserialize(CheckpointIn &cp) override
Unserialize an object.
Definition: traffic_gen.cc:99
TrafficGen::states
std::unordered_map< uint32_t, std::shared_ptr< BaseGen > > states
Map of generator states.
Definition: traffic_gen.hh:116
std::vector
STL vector class.
Definition: stl.hh:37
TrafficGen::init
void init() override
init() is called after all C++ SimObjects have been created and all ports are connected.
Definition: traffic_gen.cc:68
cp
Definition: cprintf.cc:40
BaseTrafficGen
The traffic generator is a module that generates stimuli for the memory system, based on a collection...
Definition: base.hh:64
TrafficGen::nextState
size_t nextState()
Use the transition matrix to find the next state index.
Definition: traffic_gen.cc:352
TrafficGen::initState
void initState() override
initState() is called on each SimObject when not restoring from a checkpoint.
Definition: traffic_gen.cc:76
TrafficGen::nextGenerator
std::shared_ptr< BaseGen > nextGenerator() override
Definition: traffic_gen.cc:367
TrafficGen::currState
uint32_t currState
Index of the current state.
Definition: traffic_gen.hh:113
TrafficGen::TrafficGen
TrafficGen(const TrafficGenParams *p)
Definition: traffic_gen.cc:54
TrafficGen::~TrafficGen
~TrafficGen()
Definition: traffic_gen.hh:125
base.hh
TrafficGen::transitionMatrix
std::vector< std::vector< double > > transitionMatrix
State transition matrix.
Definition: traffic_gen.hh:110
SimObject::name
virtual const std::string name() const
Definition: sim_object.hh:133
TrafficGen::Transition::to
uint32_t to
Definition: traffic_gen.hh:105
TrafficGen::parseConfig
void parseConfig()
Parse the config file and build the state map and transition matrix.
Definition: traffic_gen.cc:131
CheckpointOut
std::ostream CheckpointOut
Definition: serialize.hh:63
TrafficGen::configFile
const std::string configFile
The config file to parse.
Definition: traffic_gen.hh:73
TrafficGen::Transition::p
double p
Definition: traffic_gen.hh:106
MipsISA::p
Bitfield< 0 > p
Definition: pra_constants.hh:323
CheckpointIn
Definition: serialize.hh:67
TrafficGen
The traffic generator is a module that generates stimuli for the memory system, based on a collection...
Definition: traffic_gen.hh:67

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