Public Member Functions | |
| SyncSwitch (int num_nodes) | |
| ~SyncSwitch () | |
| bool | run (bool same_tick) override |
| Core method to perform a full dist sync. More... | |
| bool | progress (Tick max_req_tick, Tick next_repeat, ReqType do_ckpt, ReqType do_exit, ReqType do_stop_sync) override |
| Callback when the receiver thread gets a sync ack message. More... | |
| void | requestCkpt (ReqType) override |
| void | requestExit (ReqType) override |
| void | requestStopSync (ReqType) override |
| 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::DistIface::Sync | |
| void | init (Tick start, Tick repeat) |
| Initialize periodic sync params. More... | |
| void | abort () |
| Abort processing an on-going sync event (in case of an error, e.g. More... | |
| void | drainComplete () |
| 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) |
Private Attributes | |
| unsigned | numExitReq |
| Counter for recording exit requests. More... | |
| unsigned | numCkptReq |
| Counter for recording ckpt requests. More... | |
| unsigned | numStopSyncReq |
| Counter for recording stop sync requests. More... | |
| unsigned | numNodes |
| Number of connected simulated nodes. More... | |
Additional Inherited Members | |
| 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... | |
| Protected Attributes inherited from gem5::DistIface::Sync | |
| std::mutex | lock |
| The lock to protect access to the Sync object. More... | |
| std::condition_variable | cv |
| Condition variable for the simulation thread to wait on until all receiver threads completes the current global synchronisation. More... | |
| unsigned | waitNum |
| Number of receiver threads that not yet completed the current global synchronisation. More... | |
| bool | doExit |
| Flag is set if exit is permitted upon sync completion. More... | |
| bool | doCkpt |
| Flag is set if taking a ckpt is permitted upon sync completion. More... | |
| bool | doStopSync |
| Flag is set if sync is to stop upon sync completion. More... | |
| Tick | nextRepeat |
| The repeat value for the next periodic sync. More... | |
| Tick | nextAt |
| Tick for the next periodic sync (if the event is not scheduled yet) More... | |
| bool | isAbort |
| Flag is set if the sync is aborted (e.g. More... | |
Detailed Description
Definition at line 240 of file dist_iface.hh.
Constructor & Destructor Documentation
◆ SyncSwitch()
| gem5::DistIface::SyncSwitch::SyncSwitch | ( | int | num_nodes | ) |
Definition at line 97 of file dist_iface.cc.
◆ ~SyncSwitch()
|
inline |
Definition at line 262 of file dist_iface.hh.
Member Function Documentation
◆ progress()
|
overridevirtual |
Callback when the receiver thread gets a sync ack message.
- Returns
- false if the receiver thread needs to stop (e.g. simulation is to exit)
Implements gem5::DistIface::Sync.
Definition at line 202 of file dist_iface.cc.
References gem5::DistHeaderPkt::collective, gem5::DistHeaderPkt::immediate, and gem5::X86ISA::lock.
◆ requestCkpt()
|
inlineoverridevirtual |
◆ requestExit()
|
inlineoverridevirtual |
◆ requestStopSync()
|
inlineoverridevirtual |
◆ run()
|
overridevirtual |
Core method to perform a full dist sync.
- Returns
- true if the sync completes, false if it gets aborted
Implements gem5::DistIface::Sync.
Definition at line 159 of file dist_iface.cc.
References gem5::DistHeaderPkt::cmdSyncAck, gem5::curTick(), header, gem5::DistHeaderPkt::immediate, gem5::X86ISA::lock, gem5::DistHeaderPkt::none, gem5::DistIface::primary, and gem5::DistIface::sendCmd().
◆ serialize()
|
overridevirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
- Parameters
-
cp Checkpoint state
Implements gem5::DistIface::Sync.
Definition at line 322 of file dist_iface.cc.
References SERIALIZE_SCALAR.
◆ unserialize()
|
overridevirtual |
Unserialize an object.
Read an object's state from the current checkpoint section.
- Parameters
-
cp Checkpoint state
Implements gem5::DistIface::Sync.
Definition at line 328 of file dist_iface.cc.
References UNSERIALIZE_SCALAR.
Member Data Documentation
◆ numCkptReq
|
private |
Counter for recording ckpt requests.
Definition at line 250 of file dist_iface.hh.
◆ numExitReq
|
private |
Counter for recording exit requests.
Definition at line 246 of file dist_iface.hh.
◆ numNodes
|
private |
Number of connected simulated nodes.
Definition at line 258 of file dist_iface.hh.
◆ numStopSyncReq
|
private |
Counter for recording stop sync requests.
Definition at line 254 of file dist_iface.hh.
The documentation for this class was generated from the following files:
- dev/net/dist_iface.hh
- dev/net/dist_iface.cc