gem5  v20.1.0.0
base_gen.hh
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37 
43 #ifndef __CPU_TRAFFIC_GEN_BASE_GEN_HH__
44 #define __CPU_TRAFFIC_GEN_BASE_GEN_HH__
45 
46 #include "base/bitfield.hh"
47 #include "base/intmath.hh"
48 #include "mem/packet.hh"
49 
50 class BaseTrafficGen;
51 
57 class BaseGen
58 {
59 
60  protected:
61 
63  const std::string _name;
64 
67 
76  PacketPtr getPacket(Addr addr, unsigned size, const MemCmd& cmd,
77  Request::FlagsType flags = 0);
78 
79  public:
80 
82  const Tick duration;
83 
91  BaseGen(SimObject &obj, RequestorID requestor_id, Tick _duration);
92 
93  virtual ~BaseGen() { }
94 
100  std::string name() const { return _name; }
101 
105  virtual void enter() = 0;
106 
112  virtual PacketPtr getNextPacket() = 0;
113 
117  virtual void exit() { };
118 
128  virtual Tick nextPacketTick(bool elastic, Tick delay) const = 0;
129 
130 };
131 
132 class StochasticGen : public BaseGen
133 {
134  public:
136  RequestorID requestor_id, Tick _duration,
137  Addr start_addr, Addr end_addr,
138  Addr _blocksize, Addr cacheline_size,
139  Tick min_period, Tick max_period,
140  uint8_t read_percent, Addr data_limit);
141 
142  protected:
145 
147  const Addr endAddr;
148 
151 
154 
158 
162  const uint8_t readPercent;
163 
166 };
167 
168 #endif
BaseGen
Base class for all generators, with the shared functionality and virtual functions for entering,...
Definition: base_gen.hh:57
Request::FlagsType
uint64_t FlagsType
Definition: request.hh:90
Tick
uint64_t Tick
Tick count type.
Definition: types.hh:63
BaseGen::name
std::string name() const
Get the name, useful for DPRINTFs.
Definition: base_gen.hh:100
BaseGen::getNextPacket
virtual PacketPtr getNextPacket()=0
Get the next generated packet.
packet.hh
StochasticGen::readPercent
const uint8_t readPercent
Percent of generated transactions that should be reads.
Definition: base_gen.hh:162
BaseGen::exit
virtual void exit()
Exit this generator state.
Definition: base_gen.hh:117
RequestorID
uint16_t RequestorID
Definition: request.hh:85
bitfield.hh
BaseTrafficGen
The traffic generator is a module that generates stimuli for the memory system, based on a collection...
Definition: base.hh:64
MemCmd
Definition: packet.hh:71
BaseGen::duration
const Tick duration
Time to spend in this state.
Definition: base_gen.hh:82
StochasticGen
Definition: base_gen.hh:132
StochasticGen::StochasticGen
StochasticGen(SimObject &obj, RequestorID requestor_id, Tick _duration, Addr start_addr, Addr end_addr, Addr _blocksize, Addr cacheline_size, Tick min_period, Tick max_period, uint8_t read_percent, Addr data_limit)
Definition: base_gen.cc:79
StochasticGen::minPeriod
const Tick minPeriod
Request generation period.
Definition: base_gen.hh:156
BaseGen::nextPacketTick
virtual Tick nextPacketTick(bool elastic, Tick delay) const =0
Determine the tick when the next packet is available.
BaseGen::BaseGen
BaseGen(SimObject &obj, RequestorID requestor_id, Tick _duration)
Create a base generator.
Definition: base_gen.cc:49
BaseGen::enter
virtual void enter()=0
Enter this generator state.
Addr
uint64_t Addr
Address type This will probably be moved somewhere else in the near future.
Definition: types.hh:142
BaseGen::getPacket
PacketPtr getPacket(Addr addr, unsigned size, const MemCmd &cmd, Request::FlagsType flags=0)
Generate a new request and associated packet.
Definition: base_gen.cc:56
StochasticGen::blocksize
const Addr blocksize
Blocksize and address increment.
Definition: base_gen.hh:150
StochasticGen::cacheLineSize
const Addr cacheLineSize
Cache line size in the simulated system.
Definition: base_gen.hh:153
Packet
A Packet is used to encapsulate a transfer between two objects in the memory system (e....
Definition: packet.hh:257
addr
ip6_addr_t addr
Definition: inet.hh:423
StochasticGen::maxPeriod
const Tick maxPeriod
Definition: base_gen.hh:157
BaseGen::_name
const std::string _name
Name to use for status and debug printing.
Definition: base_gen.hh:63
StochasticGen::endAddr
const Addr endAddr
End of address range.
Definition: base_gen.hh:147
BaseGen::~BaseGen
virtual ~BaseGen()
Definition: base_gen.hh:93
BaseGen::requestorId
const RequestorID requestorId
The RequestorID used for generating requests.
Definition: base_gen.hh:66
intmath.hh
StochasticGen::startAddr
const Addr startAddr
Start of address range.
Definition: base_gen.hh:144
StochasticGen::dataLimit
const Addr dataLimit
Maximum amount of data to manipulate.
Definition: base_gen.hh:165
SimObject
Abstract superclass for simulation objects.
Definition: sim_object.hh:92

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