gem5 v24.0.0.0
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This BloomFilter has multiple sub-filters, each with its own hashing functionality. More...
#include <multi_bloom_filter.hh>
Public Member Functions | |
Multi (const BloomFilterMultiParams &p) | |
~Multi () | |
void | clear () override |
Clear the filter by resetting all values. | |
void | set (Addr addr) override |
Perform the filter specific function to set the corresponding entries (can be multiple) of an address. | |
void | unset (Addr addr) override |
Perform the filter specific function to clear the corresponding entries (can be multiple) of an address. | |
void | merge (const Base *other) override |
Merges the contents of both filters into this' (Bloom Filter union). | |
bool | isSet (Addr addr) const override |
Check if the corresponding filter entries of an address should be considered as set. | |
int | getCount (Addr addr) const override |
Get the value stored in the corresponding filter entry of an address. | |
int | getTotalCount () const override |
Get the total value stored in the filter entries. | |
Public Member Functions inherited from gem5::bloom_filter::Base | |
Base (const BloomFilterBaseParams &p) | |
Create and clear the filter. | |
virtual | ~Base () |
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. | |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. | |
virtual void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. | |
virtual void | regProbePoints () |
Register probe points for this object. | |
virtual void | regProbeListeners () |
Register probe listeners for this object. | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. | |
virtual Port & | getPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a port with a given name and index. | |
virtual void | startup () |
startup() is the final initialization call before simulation. | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. | |
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. | |
void | setCurTick (Tick newVal) |
EventManager (EventManager &em) | |
Event manger manages events in the event queue. | |
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. | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. | |
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. | |
virtual void | notifyFork () |
Notify a child process of a fork. | |
Public Member Functions inherited from gem5::statistics::Group | |
Group (Group *parent, const char *name=nullptr) | |
Construct a new statistics group. | |
virtual | ~Group () |
virtual void | regStats () |
Callback to set stat parameters. | |
virtual void | resetStats () |
Callback to reset stats. | |
virtual void | preDumpStats () |
Callback before stats are dumped. | |
void | addStat (statistics::Info *info) |
Register a stat with this group. | |
const std::map< std::string, Group * > & | getStatGroups () const |
Get all child groups associated with this object. | |
const std::vector< Info * > & | getStats () const |
Get all stats associated with this object. | |
void | addStatGroup (const char *name, Group *block) |
Add a stat block as a child of this block. | |
const Info * | resolveStat (std::string name) const |
Resolve a stat by its name within this group. | |
void | mergeStatGroup (Group *block) |
Merge the contents (stats & children) of a block to this block. | |
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 |
Private Attributes | |
std::vector< Base * > | filters |
Sub-filters used by this filter. | |
Additional Inherited Members | |
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. | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. | |
static void | setSimObjectResolver (SimObjectResolver *resolver) |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
static SimObjectResolver * | getSimObjectResolver () |
There is a single object name resolver, and it is only set when simulation is restoring from checkpoints. | |
Static Public Member Functions inherited from gem5::Serializable | |
static const std::string & | currentSection () |
Gets the fully-qualified name of the active section. | |
static void | generateCheckpointOut (const std::string &cpt_dir, std::ofstream &outstream) |
Generate a checkpoint file so that the serialization can be routed to it. | |
Protected Member Functions inherited from gem5::Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. | |
void | signalDrainDone () const |
Signal that an object is drained. | |
Protected Attributes inherited from gem5::bloom_filter::Base | |
const unsigned | offsetBits |
Number of LSB bits to ignore from the the addresses. | |
std::vector< SatCounter8 > | filter |
The filter itself. | |
const int | sizeBits |
Number of bits needed to represent the size of the filter. | |
const int | setThreshold |
Threshold at which a filter entry starts being considered as set. | |
Protected Attributes inherited from gem5::SimObject | |
const SimObjectParams & | _params |
Cached copy of the object parameters. | |
Protected Attributes inherited from gem5::EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. | |
This BloomFilter has multiple sub-filters, each with its own hashing functionality.
The results of the operations are the results of applying them to each sub-filter.
Definition at line 50 of file multi_bloom_filter.hh.
gem5::bloom_filter::Multi::Multi | ( | const BloomFilterMultiParams & | p | ) |
Definition at line 41 of file multi_bloom_filter.cc.
gem5::bloom_filter::Multi::~Multi | ( | ) |
Definition at line 46 of file multi_bloom_filter.cc.
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overridevirtual |
Clear the filter by resetting all values.
Reimplemented from gem5::bloom_filter::Base.
Definition at line 51 of file multi_bloom_filter.cc.
References gem5::bloom_filter::Base::clear(), and filters.
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overridevirtual |
Get the value stored in the corresponding filter entry of an address.
addr | The address being parsed. |
Get | the value stored in the respective filter entry. |
Reimplemented from gem5::bloom_filter::Base.
Definition at line 97 of file multi_bloom_filter.cc.
References gem5::X86ISA::addr, gem5::X86ISA::count, and filters.
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overridevirtual |
Get the total value stored in the filter entries.
Reimplemented from gem5::bloom_filter::Base.
Definition at line 107 of file multi_bloom_filter.cc.
References gem5::X86ISA::count, and filters.
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overridevirtual |
Check if the corresponding filter entries of an address should be considered as set.
addr | The address being parsed. |
Reimplemented from gem5::bloom_filter::Base.
Definition at line 85 of file multi_bloom_filter.cc.
References gem5::X86ISA::addr, gem5::X86ISA::count, filters, and gem5::bloom_filter::Base::setThreshold.
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overridevirtual |
Merges the contents of both filters into this' (Bloom Filter union).
Both must have the same number of entries.
other | The other bloom filter to merge with. |
Reimplemented from gem5::bloom_filter::Base.
Definition at line 59 of file multi_bloom_filter.cc.
References filters, and gem5::ArmISA::i.
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overridevirtual |
Perform the filter specific function to set the corresponding entries (can be multiple) of an address.
addr | The address being parsed. |
Implements gem5::bloom_filter::Base.
Definition at line 69 of file multi_bloom_filter.cc.
References gem5::X86ISA::addr, and filters.
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overridevirtual |
Perform the filter specific function to clear the corresponding entries (can be multiple) of an address.
By default a bloom filter does not support element deletion.
addr | The address being parsed. |
Reimplemented from gem5::bloom_filter::Base.
Definition at line 77 of file multi_bloom_filter.cc.
References gem5::X86ISA::addr, and filters.
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private |
Sub-filters used by this filter.
Definition at line 67 of file multi_bloom_filter.hh.
Referenced by clear(), getCount(), getTotalCount(), isSet(), merge(), set(), and unset().