gem5  v20.1.0.0
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Trace::InstPBTrace Class Reference

#include <inst_pb_trace.hh>

Inheritance diagram for Trace::InstPBTrace:
Trace::InstTracer SimObject EventManager Serializable Drainable Stats::Group

Public Member Functions

 InstPBTrace (const InstPBTraceParams *p)
 
virtual ~InstPBTrace ()
 
InstPBTraceRecordgetInstRecord (Tick when, ThreadContext *tc, const StaticInstPtr si, TheISA::PCState pc, const StaticInstPtr mi=NULL) override
 
- Public Member Functions inherited from Trace::InstTracer
 InstTracer (const Params *p)
 
virtual ~InstTracer ()
 
- Public Member Functions inherited from SimObject
const Paramsparams () const
 
 SimObject (const Params *_params)
 
virtual ~SimObject ()
 
virtual const std::string name () const
 
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...
 
virtual void regProbeListeners ()
 Register probe listeners for this object. More...
 
ProbeManagergetProbeManager ()
 Get the probe manager for this object. More...
 
virtual PortgetPort (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 EventManager
EventQueueeventQueue () 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 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 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 Stats::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 (Stats::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 InforesolveStat (std::string name) const
 Resolve a stat by its name within this group. More...
 
 Group ()=delete
 
 Group (const Group &)=delete
 
Groupoperator= (const Group &)=delete
 

Protected Member Functions

void createTraceFile (std::string filename)
 Create the output file and write the header into it. More...
 
void closeStreams ()
 If there is a pending message still write it out and then close the file. More...
 
void traceInst (ThreadContext *tc, StaticInstPtr si, TheISA::PCState pc)
 Write an instruction to the trace file. More...
 
void traceMem (StaticInstPtr si, Addr a, Addr s, unsigned f)
 Write a memory request to the trace file as part of the cur instruction. More...
 
- Protected Member Functions inherited from 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 Attributes

std::unique_ptr< uint8_t[]> buf
 
size_t bufSize
 
ProtoMessage::Inst * curMsg
 This is the message were working on writing. More...
 
- Protected Attributes inherited from SimObject
const SimObjectParams * _params
 Cached copy of the object parameters. More...
 
- Protected Attributes inherited from EventManager
EventQueueeventq
 A pointer to this object's event queue. More...
 

Static Protected Attributes

static ProtoOutputStreamtraceStream
 One output stream for the entire simulation. More...
 

Friends

class InstPBTraceRecord
 

Additional Inherited Members

- Public Types inherited from SimObject
typedef SimObjectParams Params
 
- Static Public Member Functions inherited from SimObject
static void serializeAll (CheckpointOut &cp)
 Serialize all SimObjects in the system. More...
 
static SimObjectfind (const char *name)
 Find the SimObject with the given name and return a pointer to it. More...
 
- Static Public Member Functions inherited from Serializable
static const std::string & currentSection ()
 Gets the fully-qualified name of the active section. More...
 
static void serializeAll (const std::string &cpt_dir)
 Serializes all the SimObjects. More...
 
static void unserializeGlobals (CheckpointIn &cp)
 

Detailed Description

Definition at line 83 of file inst_pb_trace.hh.

Constructor & Destructor Documentation

◆ InstPBTrace()

Trace::InstPBTrace::InstPBTrace ( const InstPBTraceParams *  p)

Definition at line 69 of file inst_pb_trace.cc.

References createTraceFile(), and MipsISA::p.

◆ ~InstPBTrace()

Trace::InstPBTrace::~InstPBTrace ( )
virtual

Definition at line 113 of file inst_pb_trace.cc.

References closeStreams().

Member Function Documentation

◆ closeStreams()

void Trace::InstPBTrace::closeStreams ( )
protected

If there is a pending message still write it out and then close the file.

Definition at line 98 of file inst_pb_trace.cc.

References curMsg, traceStream, and ProtoOutputStream::write().

Referenced by createTraceFile(), and ~InstPBTrace().

◆ createTraceFile()

void Trace::InstPBTrace::createTraceFile ( std::string  filename)
protected

Create the output file and write the header into it.

Parameters
filenamethe file to create (if ends with .gz it will be compressed)

Definition at line 77 of file inst_pb_trace.cc.

References closeStreams(), SimClock::Frequency, registerExitCallback(), OutputDirectory::resolve(), simout, traceStream, and ProtoOutputStream::write().

Referenced by InstPBTrace().

◆ getInstRecord()

InstPBTraceRecord * Trace::InstPBTrace::getInstRecord ( Tick  when,
ThreadContext tc,
const StaticInstPtr  si,
TheISA::PCState  pc,
const StaticInstPtr  mi = NULL 
)
overridevirtual

Implements Trace::InstTracer.

Definition at line 119 of file inst_pb_trace.cc.

References InstPBTraceRecord, ArmISA::mi, MipsISA::pc, and ArmISA::si.

◆ traceInst()

void Trace::InstPBTrace::traceInst ( ThreadContext tc,
StaticInstPtr  si,
TheISA::PCState  pc 
)
protected

Write an instruction to the trace file.

Parameters
tcthread context for the cpu ID
sifor the machInst and opClass
pcfor the PC Addr
Todo:
if we are running multi-threaded I assume we'd need a lock here

Definition at line 131 of file inst_pb_trace.cc.

References buf, bufSize, ThreadContext::cpuId(), curMsg, curTick(), letoh(), MipsISA::pc, ArmISA::si, traceStream, and ProtoOutputStream::write().

Referenced by Trace::InstPBTraceRecord::dump().

◆ traceMem()

void Trace::InstPBTrace::traceMem ( StaticInstPtr  si,
Addr  a,
Addr  s,
unsigned  f 
)
protected

Write a memory request to the trace file as part of the cur instruction.

Parameters
sifor the machInst and opClass
aaddress of the request
ssize of the request
fflags for the request

Definition at line 162 of file inst_pb_trace.cc.

References ArmISA::a, curMsg, ArmISA::f, panic_if, ArmISA::s, and ArmISA::si.

Referenced by Trace::InstPBTraceRecord::dump().

Friends And Related Function Documentation

◆ InstPBTraceRecord

friend class InstPBTraceRecord
friend

Definition at line 133 of file inst_pb_trace.hh.

Referenced by getInstRecord().

Member Data Documentation

◆ buf

std::unique_ptr<uint8_t []> Trace::InstPBTrace::buf
protected

Definition at line 94 of file inst_pb_trace.hh.

Referenced by traceInst().

◆ bufSize

size_t Trace::InstPBTrace::bufSize
protected

Definition at line 95 of file inst_pb_trace.hh.

Referenced by traceInst().

◆ curMsg

ProtoMessage::Inst* Trace::InstPBTrace::curMsg
protected

This is the message were working on writing.

The majority of the message exists however the memory accesses will be delayed.

Definition at line 106 of file inst_pb_trace.hh.

Referenced by closeStreams(), traceInst(), and traceMem().

◆ traceStream

ProtoOutputStream * Trace::InstPBTrace::traceStream
staticprotected

One output stream for the entire simulation.

We encode the CPU & system ID so all we need is a single file

Definition at line 100 of file inst_pb_trace.hh.

Referenced by closeStreams(), createTraceFile(), and traceInst().


The documentation for this class was generated from the following files:

Generated on Wed Sep 30 2020 14:03:14 for gem5 by doxygen 1.8.17