Delay packets by a constant time. More...
#include <mem_delay.hh>
Inheritance diagram for gem5::SimpleMemDelay:
Public Member Functions | |
| SimpleMemDelay (const SimpleMemDelayParams ¶ms) | |
 Public Member Functions inherited from gem5::MemDelay | |
| MemDelay (const MemDelayParams ¶ms) | |
| void | init () override |
| init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
| Public Member Functions inherited from gem5::ClockedObject | |
| ClockedObject (const ClockedObjectParams &p) | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| Public Member Functions inherited from gem5::SimObject | |
| const Params & | params () const |
| SimObject (const Params &p) | |
| virtual | ~SimObject () |
| virtual void | loadState (CheckpointIn &cp) |
| loadState() is called on each SimObject when restoring from a checkpoint. More... | |
| virtual void | initState () |
| initState() is called on each SimObject when not restoring from a checkpoint. More... | |
| virtual void | regProbePoints () |
| Register probe points for this object. More... | |
| virtual void | regProbeListeners () |
| Register probe listeners for this object. More... | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. More... | |
| virtual void | startup () |
| startup() is the final initialization call before simulation. More... | |
| DrainState | drain () override |
| Provide a default implementation of the drain interface for objects that don't need draining. More... | |
| virtual void | memWriteback () |
| Write back dirty buffers to memory using functional writes. More... | |
| virtual void | memInvalidate () |
| Invalidate the contents of memory buffers. More... | |
| void | serialize (CheckpointOut &cp) const override |
| Serialize an object. More... | |
| void | unserialize (CheckpointIn &cp) override |
| Unserialize an object. More... | |
| Public Member Functions inherited from gem5::EventManager | |
| EventQueue * | eventQueue () const |
| void | schedule (Event &event, Tick when) |
| void | deschedule (Event &event) |
| void | reschedule (Event &event, Tick when, bool always=false) |
| void | schedule (Event *event, Tick when) |
| void | deschedule (Event *event) |
| void | reschedule (Event *event, Tick when, bool always=false) |
| void | wakeupEventQueue (Tick when=(Tick) -1) |
| This function is not needed by the usual gem5 event loop but may be necessary in derived EventQueues which host gem5 on other schedulers. More... | |
| void | setCurTick (Tick newVal) |
| EventManager (EventManager &em) | |
| Event manger manages events in the event queue. More... | |
| EventManager (EventManager *em) | |
| EventManager (EventQueue *eq) | |
| Public Member Functions inherited from gem5::Serializable | |
| Serializable () | |
| virtual | ~Serializable () |
| void | serializeSection (CheckpointOut &cp, const char *name) const |
| Serialize an object into a new section. More... | |
| void | serializeSection (CheckpointOut &cp, const std::string &name) const |
| void | unserializeSection (CheckpointIn &cp, const char *name) |
| Unserialize an a child object. More... | |
| void | unserializeSection (CheckpointIn &cp, const std::string &name) |
| Public Member Functions inherited from gem5::Drainable | |
| DrainState | drainState () const |
| Return the current drain state of an object. More... | |
| virtual void | notifyFork () |
| Notify a child process of a fork. More... | |
| Public Member Functions inherited from gem5::statistics::Group | |
| Group (Group *parent, const char *name=nullptr) | |
| Construct a new statistics group. More... | |
| virtual | ~Group () |
| virtual void | regStats () |
| Callback to set stat parameters. More... | |
| virtual void | resetStats () |
| Callback to reset stats. More... | |
| virtual void | preDumpStats () |
| Callback before stats are dumped. More... | |
| void | addStat (statistics::Info *info) |
| Register a stat with this group. More... | |
| const std::map< std::string, Group * > & | getStatGroups () const |
| Get all child groups associated with this object. More... | |
| const std::vector< Info * > & | getStats () const |
| Get all stats associated with this object. More... | |
| void | addStatGroup (const char *name, Group *block) |
| Add a stat block as a child of this block. More... | |
| const Info * | resolveStat (std::string name) const |
| Resolve a stat by its name within this group. More... | |
| void | mergeStatGroup (Group *block) |
| Merge the contents (stats & children) of a block to this block. More... | |
| Group ()=delete | |
| Group (const Group &)=delete | |
| Group & | operator= (const Group &)=delete |
| Public Member Functions inherited from gem5::Named | |
| Named (const std::string &name_) | |
| virtual | ~Named ()=default |
| virtual std::string | name () const |
| Public Member Functions inherited from gem5::Clocked | |
| void | updateClockPeriod () |
| Update the tick to the current tick. More... | |
| Tick | clockEdge (Cycles cycles=Cycles(0)) const |
| Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More... | |
| Cycles | curCycle () const |
| Determine the current cycle, corresponding to a tick aligned to a clock edge. More... | |
| Tick | nextCycle () const |
| Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More... | |
| uint64_t | frequency () const |
| Tick | clockPeriod () const |
| double | voltage () const |
| Cycles | ticksToCycles (Tick t) const |
| Tick | cyclesToTicks (Cycles c) const |
Protected Member Functions | |
| Tick | delayReq (PacketPtr pkt) override |
| Delay a request by some number of ticks. More... | |
| Tick | delayResp (PacketPtr pkt) override |
| Delay a response by some number of ticks. More... | |
| Protected Member Functions inherited from gem5::MemDelay | |
| Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) override |
| Get a port with a given name and index. More... | |
| bool | trySatisfyFunctional (PacketPtr pkt) |
| virtual Tick | delaySnoopResp (PacketPtr pkt) |
| Delay a snoop response by some number of ticks. More... | |
| Protected Member Functions inherited from gem5::Drainable | |
| Drainable () | |
| virtual | ~Drainable () |
| virtual void | drainResume () |
| Resume execution after a successful drain. More... | |
| void | signalDrainDone () const |
| Signal that an object is drained. More... | |
| Protected Member Functions inherited from gem5::Clocked | |
| Clocked (ClockDomain &clk_domain) | |
| Create a clocked object and set the clock domain based on the parameters. More... | |
| Clocked (Clocked &)=delete | |
| Clocked & | operator= (Clocked &)=delete |
| virtual | ~Clocked () |
| Virtual destructor due to inheritance. More... | |
| void | resetClock () const |
| Reset the object's clock using the current global tick value. More... | |
| virtual void | clockPeriodUpdated () |
| A hook subclasses can implement so they can do any extra work that's needed when the clock rate is changed. More... | |
Protected Attributes | |
| const Tick | readReqDelay |
| const Tick | readRespDelay |
| const Tick | writeReqDelay |
| const Tick | writeRespDelay |
| Protected Attributes inherited from gem5::MemDelay | |
| RequestPort | requestPort |
| ResponsePort | responsePort |
| ReqPacketQueue | reqQueue |
| RespPacketQueue | respQueue |
| SnoopRespPacketQueue | snoopRespQueue |
| Protected Attributes inherited from gem5::SimObject | |
| const SimObjectParams & | _params |
| Cached copy of the object parameters. More... | |
| Protected Attributes inherited from gem5::EventManager | |
| EventQueue * | eventq |
| A pointer to this object's event queue. More... | |
Additional Inherited Members | |
| Public Types inherited from gem5::ClockedObject | |
| using | Params = ClockedObjectParams |
| Parameters of ClockedObject. More... | |
| Public Types inherited from gem5::SimObject | |
| typedef SimObjectParams | Params |
| Static Public Member Functions inherited from gem5::SimObject | |
| static void | serializeAll (const std::string &cpt_dir) |
| Create a checkpoint by serializing all SimObjects in the system. More... | |
| static SimObject * | find (const char *name) |
| Find the SimObject with the given name and return a pointer to it. More... | |
| static void | setSimObjectResolver (SimObjectResolver *resolver) |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More... | |
| static SimObjectResolver * | getSimObjectResolver () |
| There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. More... | |
| Static Public Member Functions inherited from gem5::Serializable | |
| static const std::string & | currentSection () |
| Gets the fully-qualified name of the active section. More... | |
| static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
| Generate a checkpoint file so that the serialization can be routed to it. More... | |
| Public Attributes inherited from gem5::ClockedObject | |
| PowerState * | powerState |
Detailed Description
Delay packets by a constant time.
Delays can be specified separately for read requests, read responses, write requests, and write responses.
This class does not delay snoops or requests/responses that are neither reads or writes.
Definition at line 166 of file mem_delay.hh.
Constructor & Destructor Documentation
◆ SimpleMemDelay()
| gem5::SimpleMemDelay::SimpleMemDelay | ( | const SimpleMemDelayParams & | params | ) |
Definition at line 183 of file mem_delay.cc.
Member Function Documentation
◆ delayReq()
Delay a request by some number of ticks.
- Returns
- Ticks to delay packet.
Reimplemented from gem5::MemDelay.
Definition at line 193 of file mem_delay.cc.
References gem5::Packet::isRead(), gem5::Packet::isWrite(), readReqDelay, and writeReqDelay.
◆ delayResp()
Delay a response by some number of ticks.
- Returns
- Ticks to delay packet.
Reimplemented from gem5::MemDelay.
Definition at line 205 of file mem_delay.cc.
References gem5::Packet::isRead(), gem5::Packet::isWrite(), readRespDelay, and writeRespDelay.
Member Data Documentation
◆ readReqDelay
|
protected |
Definition at line 176 of file mem_delay.hh.
Referenced by delayReq().
◆ readRespDelay
|
protected |
Definition at line 177 of file mem_delay.hh.
Referenced by delayResp().
◆ writeReqDelay
|
protected |
Definition at line 179 of file mem_delay.hh.
Referenced by delayReq().
◆ writeRespDelay
|
protected |
Definition at line 180 of file mem_delay.hh.
Referenced by delayResp().
The documentation for this class was generated from the following files:
- mem/mem_delay.hh
- mem/mem_delay.cc