gem5  v22.1.0.0
GarnetSyntheticTraffic.hh
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28 
29 #ifndef __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
30 #define __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
31 
32 #include <set>
33 
34 #include "base/statistics.hh"
35 #include "mem/port.hh"
36 #include "params/GarnetSyntheticTraffic.hh"
37 #include "sim/clocked_object.hh"
38 #include "sim/eventq.hh"
39 #include "sim/sim_exit.hh"
40 #include "sim/sim_object.hh"
41 #include "sim/stats.hh"
42 
43 namespace gem5
44 {
45 
49  NEIGHBOR_ = 3,
50  SHUFFLE_ = 4,
51  TORNADO_ = 5,
55 
56 class Packet;
58 {
59  public:
60  typedef GarnetSyntheticTrafficParams Params;
62 
63  void init() override;
64 
65  // main simulation loop (one cycle)
66  void tick();
67 
68  Port &getPort(const std::string &if_name,
69  PortID idx=InvalidPortID) override;
70 
75  void printAddr(Addr a);
76 
77  protected:
79 
80  class CpuPort : public RequestPort
81  {
83 
84  public:
85 
86  CpuPort(const std::string &_name, GarnetSyntheticTraffic *_tester)
87  : RequestPort(_name, _tester), tester(_tester)
88  { }
89 
90  protected:
91 
92  virtual bool recvTimingResp(PacketPtr pkt);
93 
94  virtual void recvReqRetry();
95  };
96 
98 
100  {
101  public:
104  : data(_data)
105  { }
106 
107  // Hold onto data pointer
108  uint8_t *data;
109  };
110 
112  unsigned size;
113  int id;
114 
115  std::map<std::string, TrafficType> trafficStringToEnum;
116 
117  unsigned blockSizeBits;
118 
120 
127 
128  std::string trafficType; // string
129  TrafficType traffic; // enum from string
130  double injRate;
131  int injVnet;
133 
135 
137 
138  void completeRequest(PacketPtr pkt);
139 
140  void generatePkt();
141  void sendPkt(PacketPtr pkt);
142  void initTrafficType();
143 
144  void doRetry();
145 
146  friend class MemCompleteEvent;
147 };
148 
149 } // namespace gem5
150 
151 #endif // __CPU_GARNET_SYNTHETIC_TRAFFIC_HH__
The ClockedObject class extends the SimObject with a clock and accessor functions to relate ticks to ...
Cycles is a wrapper class for representing cycle counts, i.e.
Definition: types.hh:79
virtual bool recvTimingResp(PacketPtr pkt)
Receive a timing response from the peer.
virtual void recvReqRetry()
Called by the peer if sendTimingReq was called on this peer (causing recvTimingReq to be called on th...
CpuPort(const std::string &_name, GarnetSyntheticTraffic *_tester)
GarnetSyntheticTrafficParams Params
Port & getPort(const std::string &if_name, PortID idx=InvalidPortID) override
Get a port with a given name and index.
std::map< std::string, TrafficType > trafficStringToEnum
void printAddr(Addr a)
Print state of address in memory system via PrintReq (for debugging).
void init() override
init() is called after all C++ SimObjects have been created and all ports are connected.
const std::string _name
Definition: named.hh:41
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:294
Ports are used to interface objects to each other.
Definition: port.hh:62
A RequestPort is a specialisation of a Port, which implements the default protocol for the three diff...
Definition: port.hh:79
ClockedObject declaration and implementation.
Port Object Declaration.
Bitfield< 8 > a
Definition: misc_types.hh:66
Bitfield< 54 > p
Definition: pagetable.hh:70
ProbePointArg< PacketInfo > Packet
Packet probe point.
Definition: mem.hh:109
Reference material can be found at the JEDEC website: UFS standard http://www.jedec....
const PortID InvalidPortID
Definition: types.hh:246
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:147
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition: types.hh:245
uint64_t Tick
Tick count type.
Definition: types.hh:58
uint16_t RequestorID
Definition: request.hh:95
Declaration of Statistics objects.
A virtual base opaque structure used to hold state associated with the packet (e.g....
Definition: packet.hh:468

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