#include <multi.hh>
Inheritance diagram for gem5::prefetch::Multi:
Public Member Functions | |
| Multi (const MultiPrefetcherParams &p) | |
| void | setCache (BaseCache *_cache) override |
| PacketPtr | getPacket () override |
| Tick | nextPrefetchReadyTime () const override |
| void | notify (const PacketPtr &pkt, const PrefetchInfo &pfi) override |
| Ignore notifications since each sub-prefetcher already gets a notification through their probes-based interface. More... | |
| void | notifyFill (const PacketPtr &pkt) override |
| Notify prefetcher of cache fill. More... | |
 Public Member Functions inherited from gem5::prefetch::Base | |
| Base (const BasePrefetcherParams &p) | |
| virtual | ~Base ()=default |
| void | prefetchUnused () |
| void | incrDemandMhsrMisses () |
| void | pfHitInCache () |
| void | pfHitInMSHR () |
| void | pfHitInWB () |
| void | regProbeListeners () override |
| Register probe points for this object. More... | |
| void | probeNotify (const PacketPtr &pkt, bool miss) |
| Process a notification event from the ProbeListener. More... | |
| void | addEventProbe (SimObject *obj, const char *name) |
| Add a SimObject and a probe name to listen events from. More... | |
| void | addTLB (BaseTLB *tlb) |
| Add a BaseTLB object to be used whenever a translation is needed. 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 | init () |
| init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
| 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... | |
| ProbeManager * | getProbeManager () |
| Get the probe manager for this object. More... | |
| virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
| Get a port with a given name and index. 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 Attributes | |
| std::vector< Base * > | prefetchers |
| List of sub-prefetchers ordered by priority. More... | |
| uint8_t | lastChosenPf |
| Protected Attributes inherited from gem5::prefetch::Base | |
| BaseCache * | cache |
| Pointr to the parent cache. More... | |
| unsigned | blkSize |
| The block size of the parent cache. More... | |
| unsigned | lBlkSize |
| log_2(block size of the parent cache). More... | |
| const bool | onMiss |
| Only consult prefetcher on cache misses? More... | |
| const bool | onRead |
| Consult prefetcher on reads? More... | |
| const bool | onWrite |
| Consult prefetcher on reads? More... | |
| const bool | onData |
| Consult prefetcher on data accesses? More... | |
| const bool | onInst |
| Consult prefetcher on instruction accesses? More... | |
| const RequestorID | requestorId |
| Request id for prefetches. More... | |
| const Addr | pageBytes |
| const bool | prefetchOnAccess |
| Prefetch on every access, not just misses. More... | |
| const bool | prefetchOnPfHit |
| Prefetch on hit on prefetched lines. More... | |
| const bool | useVirtualAddresses |
| Use Virtual Addresses for prefetching. More... | |
| gem5::prefetch::Base::StatGroup | prefetchStats |
| uint64_t | issuedPrefetches |
| Total prefetches issued. More... | |
| uint64_t | usefulPrefetches |
| Total prefetches that has been useful. More... | |
| BaseTLB * | tlb |
| Registered tlb for address translations. More... | |
| 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 |
| Protected Member Functions inherited from gem5::prefetch::Base | |
| bool | observeAccess (const PacketPtr &pkt, bool miss) const |
| Determine if this access should be observed. More... | |
| bool | inCache (Addr addr, bool is_secure) const |
| Determine if address is in cache. More... | |
| bool | inMissQueue (Addr addr, bool is_secure) const |
| Determine if address is in cache miss queue. More... | |
| bool | hasBeenPrefetched (Addr addr, bool is_secure) const |
| bool | samePage (Addr a, Addr b) const |
| Determine if addresses are on the same page. More... | |
| Addr | blockAddress (Addr a) const |
| Determine the address of the block in which a lays. More... | |
| Addr | blockIndex (Addr a) const |
| Determine the address of a at block granularity. More... | |
| Addr | pageAddress (Addr a) const |
| Determine the address of the page in which a lays. More... | |
| Addr | pageOffset (Addr a) const |
| Determine the page-offset of a More... | |
| Addr | pageIthBlockAddress (Addr page, uint32_t i) const |
| Build the address of the i-th block inside the page. 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... | |
Detailed Description
Constructor & Destructor Documentation
◆ Multi()
| gem5::prefetch::Multi::Multi | ( | const MultiPrefetcherParams & | p | ) |
Member Function Documentation
◆ getPacket()
|
overridevirtual |
Implements gem5::prefetch::Base.
Definition at line 75 of file multi.cc.
References gem5::curTick(), gem5::prefetch::Base::issuedPrefetches, lastChosenPf, nextPrefetchReadyTime(), panic_if, gem5::X86ISA::pf, gem5::prefetch::Base::StatGroup::pfIssued, prefetchers, and gem5::prefetch::Base::prefetchStats.
◆ nextPrefetchReadyTime()
|
overridevirtual |
Implements gem5::prefetch::Base.
Definition at line 64 of file multi.cc.
References gem5::MaxTick, gem5::X86ISA::pf, and prefetchers.
Referenced by getPacket().
◆ notify()
|
inlineoverridevirtual |
Ignore notifications since each sub-prefetcher already gets a notification through their probes-based interface.
Implements gem5::prefetch::Base.
◆ notifyFill()
|
inlineoverridevirtual |
Notify prefetcher of cache fill.
Reimplemented from gem5::prefetch::Base.
◆ setCache()
|
overridevirtual |
Reimplemented from gem5::prefetch::Base.
Definition at line 57 of file multi.cc.
References gem5::X86ISA::pf, and prefetchers.
Member Data Documentation
◆ lastChosenPf
|
protected |
Definition at line 76 of file multi.hh.
Referenced by getPacket().
◆ prefetchers
|
protected |
List of sub-prefetchers ordered by priority.
Definition at line 75 of file multi.hh.
Referenced by getPacket(), nextPrefetchReadyTime(), and setCache().
The documentation for this class was generated from the following files: