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Reference Guide
Memstat::TMemStatMng Class Reference

Definition at line 74 of file TMemStatMng.h.

Public Member Functions

void Disable ()
 Disble memory hooks. More...
 
void Enable ()
 Enable memory hooks. More...
 
void SetBufferSize (Int_t buffersize)
 Set the maximum number of alloc/free calls to be buffered. More...
 
void SetMaxCalls (Int_t maxcalls)
 Set the maximum number of new/delete registered in the output Tree. More...
 
void SetUseGNUBuiltinBacktrace (Bool_t newVal)
 
- Public Member Functions inherited from TObject
 TObject ()
 TObject constructor. More...
 
 TObject (const TObject &object)
 TObject copy ctor. More...
 
virtual ~TObject ()
 TObject destructor. More...
 
void AbstractMethod (const char *method) const
 Use this method to implement an "abstract" method that you don't want to leave purely abstract. More...
 
virtual void AppendPad (Option_t *option="")
 Append graphics object to current pad. More...
 
virtual void Browse (TBrowser *b)
 Browse object. May be overridden for another default action. More...
 
ULong_t CheckedHash ()
 Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More...
 
virtual const char * ClassName () const
 Returns name of class to which the object belongs. More...
 
virtual void Clear (Option_t *="")
 
virtual TObjectClone (const char *newname="") const
 Make a clone of an object using the Streamer facility. More...
 
virtual Int_t Compare (const TObject *obj) const
 Compare abstract method. More...
 
virtual void Copy (TObject &object) const
 Copy this to obj. More...
 
virtual void Delete (Option_t *option="")
 Delete this object. More...
 
virtual Int_t DistancetoPrimitive (Int_t px, Int_t py)
 Computes distance from point (px,py) to the object. More...
 
virtual void Draw (Option_t *option="")
 Default Draw method for all objects. More...
 
virtual void DrawClass () const
 Draw class inheritance tree of the class to which this object belongs. More...
 
virtual TObjectDrawClone (Option_t *option="") const
 Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More...
 
virtual void Dump () const
 Dump contents of object on stdout. More...
 
virtual void Error (const char *method, const char *msgfmt,...) const
 Issue error message. More...
 
virtual void Execute (const char *method, const char *params, Int_t *error=0)
 Execute method on this object with the given parameter string, e.g. More...
 
virtual void Execute (TMethod *method, TObjArray *params, Int_t *error=0)
 Execute method on this object with parameters stored in the TObjArray. More...
 
virtual void ExecuteEvent (Int_t event, Int_t px, Int_t py)
 Execute action corresponding to an event at (px,py). More...
 
virtual void Fatal (const char *method, const char *msgfmt,...) const
 Issue fatal error message. More...
 
virtual TObjectFindObject (const char *name) const
 Must be redefined in derived classes. More...
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes. More...
 
virtual Option_tGetDrawOption () const
 Get option used by the graphics system to draw this object. More...
 
virtual const char * GetIconName () const
 Returns mime type name of object. More...
 
virtual const char * GetName () const
 Returns name of object. More...
 
virtual char * GetObjectInfo (Int_t px, Int_t py) const
 Returns string containing info about the object at position (px,py). More...
 
virtual Option_tGetOption () const
 
virtual const char * GetTitle () const
 Returns title of object. More...
 
virtual UInt_t GetUniqueID () const
 Return the unique object id. More...
 
virtual Bool_t HandleTimer (TTimer *timer)
 Execute action in response of a timer timing out. More...
 
virtual ULong_t Hash () const
 Return hash value for this object. More...
 
Bool_t HasInconsistentHash () const
 Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More...
 
virtual void Info (const char *method, const char *msgfmt,...) const
 Issue info message. More...
 
virtual Bool_t InheritsFrom (const char *classname) const
 Returns kTRUE if object inherits from class "classname". More...
 
virtual Bool_t InheritsFrom (const TClass *cl) const
 Returns kTRUE if object inherits from TClass cl. More...
 
virtual void Inspect () const
 Dump contents of this object in a graphics canvas. More...
 
void InvertBit (UInt_t f)
 
virtual Bool_t IsEqual (const TObject *obj) const
 Default equal comparison (objects are equal if they have the same address in memory). More...
 
virtual Bool_t IsFolder () const
 Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More...
 
R__ALWAYS_INLINE Bool_t IsOnHeap () const
 
virtual Bool_t IsSortable () const
 
R__ALWAYS_INLINE Bool_t IsZombie () const
 
virtual void ls (Option_t *option="") const
 The ls function lists the contents of a class on stdout. More...
 
void MayNotUse (const char *method) const
 Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More...
 
virtual Bool_t Notify ()
 This method must be overridden to handle object notification. More...
 
void Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const
 Use this method to declare a method obsolete. More...
 
void operator delete (void *ptr)
 Operator delete. More...
 
void operator delete[] (void *ptr)
 Operator delete []. More...
 
voidoperator new (size_t sz)
 
voidoperator new (size_t sz, void *vp)
 
voidoperator new[] (size_t sz)
 
voidoperator new[] (size_t sz, void *vp)
 
TObjectoperator= (const TObject &rhs)
 TObject assignment operator. More...
 
virtual void Paint (Option_t *option="")
 This method must be overridden if a class wants to paint itself. More...
 
virtual void Pop ()
 Pop on object drawn in a pad to the top of the display list. More...
 
virtual void Print (Option_t *option="") const
 This method must be overridden when a class wants to print itself. More...
 
virtual Int_t Read (const char *name)
 Read contents of object with specified name from the current directory. More...
 
virtual void RecursiveRemove (TObject *obj)
 Recursively remove this object from a list. More...
 
void ResetBit (UInt_t f)
 
virtual void SaveAs (const char *filename="", Option_t *option="") const
 Save this object in the file specified by filename. More...
 
virtual void SavePrimitive (std::ostream &out, Option_t *option="")
 Save a primitive as a C++ statement(s) on output stream "out". More...
 
void SetBit (UInt_t f, Bool_t set)
 Set or unset the user status bits as specified in f. More...
 
void SetBit (UInt_t f)
 
virtual void SetDrawOption (Option_t *option="")
 Set drawing option for object. More...
 
virtual void SetUniqueID (UInt_t uid)
 Set the unique object id. More...
 
virtual void SysError (const char *method, const char *msgfmt,...) const
 Issue system error message. More...
 
R__ALWAYS_INLINE Bool_t TestBit (UInt_t f) const
 
Int_t TestBits (UInt_t f) const
 
virtual void UseCurrentStyle ()
 Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More...
 
virtual void Warning (const char *method, const char *msgfmt,...) const
 Issue warning message. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0)
 Write this object to the current directory. More...
 
virtual Int_t Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const
 Write this object to the current directory. More...
 

Static Public Member Functions

static void Close ()
 Close - a static function This method stops the manager, flashes all the buffered data and closes the output tree. More...
 
static TMemStatMngGetInstance ()
 GetInstance - a static function Initialize a singleton of MemStat manager. More...
 
- Static Public Member Functions inherited from TObject
static Long_t GetDtorOnly ()
 Return destructor only flag. More...
 
static Bool_t GetObjectStat ()
 Get status of object stat flag. More...
 
static void SetDtorOnly (void *obj)
 Set destructor only flag. More...
 
static void SetObjectStat (Bool_t stat)
 Turn on/off tracking of objects in the TObjectTable. More...
 

Protected Member Functions

void AddPointer (void *ptr, Int_t size)
 Add pointer to table. More...
 
void FillTree ()
 loop on all entries in the buffer and fill the output Tree entries with alloc and free in the buffer are eliminated More...
 
Int_t generateBTID (UChar_t *CRCdigest, Int_t stackEntries, void **stackPointers)
 An internal function, which returns a bitid for a corresponding CRC digest cache variables. More...
 
void Init ()
 old free function More...
 
- Protected Member Functions inherited from TObject
virtual void DoError (int level, const char *location, const char *fmt, va_list va) const
 Interface to ErrorHandler (protected). More...
 
void MakeZombie ()
 

Static Protected Member Functions

static voidAllocHook (size_t size, const void *)
 AllocHook - a static function A glibc memory allocation hook. More...
 
static void FreeHook (void *ptr, const void *)
 FreeHook - a static function A glibc memory deallocation hook. More...
 
static void MacAllocHook (void *ptr, size_t size)
 AllocHook - a static function a special memory hook for Mac OS X memory zones. More...
 
static void MacFreeHook (void *ptr)
 AllocHook - a static function a special memory hook for Mac OS X memory zones. More...
 

Protected Attributes

Double_t fBeginTime
 
Int_t fBtID
 
Int_tfBufBtID
 
Int_t fBufferSize
 
Int_t fBufN
 
Int_tfBufNBytes
 
ULong64_tfBufPos
 
Int_tfBufTimems
 
TFilefDumpFile
 
TTreefDumpTree
 file to dump current information More...
 
Int_tfIndex
 
Int_t fMaxCalls
 
Bool_tfMustWrite
 
Int_t fNBytes
 
ULong64_t fPos
 
TMemStatHook::FreeHookFunc_t fPreviousFreeHook
 old malloc function More...
 
TMemStatHook::MallocHookFunc_t fPreviousMallocHook
 
Int_t fTimems
 
TTimeStamp fTimeStamp
 
Bool_t fUseGNUBuiltinBacktrace
 

Static Protected Attributes

static TMemStatMngfgInstance = NULL
 tree to dump information More...
 
static voidfgStackTop
 

Private Types

typedef std::map< SCustomDigest, Int_tCRCSet_t
 

Private Member Functions

 TMemStatMng ()
 
virtual ~TMemStatMng ()
 if an instance is destructed - the hooks are reseted to old hooks More...
 

Private Attributes

CRCSet_t fBTChecksums
 
Int_t fBTCount
 
UInt_t fBTIDCount
 
TMemStatFAddrContainer fFAddrs
 
TObjArrayfFAddrsList
 
TH1IfHbtids
 
TNamedfSysInfo
 

Additional Inherited Members

- Public Types inherited from TObject
enum  {
  kIsOnHeap = 0x01000000, kNotDeleted = 0x02000000, kZombie = 0x04000000, kInconsistent = 0x08000000,
  kBitMask = 0x00ffffff
}
 
enum  { kSingleKey = BIT(0), kOverwrite = BIT(1), kWriteDelete = BIT(2) }
 
enum  EDeprecatedStatusBits { kObjInCanvas = BIT(3) }
 
enum  EStatusBits {
  kCanDelete = BIT(0), kMustCleanup = BIT(3), kIsReferenced = BIT(4), kHasUUID = BIT(5),
  kCannotPick = BIT(6), kNoContextMenu = BIT(8), kInvalidObject = BIT(13)
}
 

#include <TMemStatMng.h>

Inheritance diagram for Memstat::TMemStatMng:
[legend]

Member Typedef Documentation

◆ CRCSet_t

Definition at line 75 of file TMemStatMng.h.

Constructor & Destructor Documentation

◆ TMemStatMng()

TMemStatMng::TMemStatMng ( )
private

Definition at line 38 of file TMemStatMng.cxx.

◆ ~TMemStatMng()

TMemStatMng::~TMemStatMng ( )
privatevirtual

if an instance is destructed - the hooks are reseted to old hooks

Definition at line 191 of file TMemStatMng.cxx.

Member Function Documentation

◆ AddPointer()

void TMemStatMng::AddPointer ( void ptr,
Int_t  size 
)
protected

Add pointer to table.

This method is called every time when any of the hooks are triggered. The memory de-/allocation information will is recorded.

Definition at line 430 of file TMemStatMng.cxx.

◆ AllocHook()

void * TMemStatMng::AllocHook ( size_t  size,
const void  
)
staticprotected

AllocHook - a static function A glibc memory allocation hook.

Definition at line 301 of file TMemStatMng.cxx.

◆ Close()

void TMemStatMng::Close ( )
static

Close - a static function This method stops the manager, flashes all the buffered data and closes the output tree.

Definition at line 132 of file TMemStatMng.cxx.

◆ Disable()

void TMemStatMng::Disable ( )

Disble memory hooks.

Definition at line 247 of file TMemStatMng.cxx.

◆ Enable()

void TMemStatMng::Enable ( )

Enable memory hooks.

Definition at line 231 of file TMemStatMng.cxx.

◆ FillTree()

void TMemStatMng::FillTree ( )
protected

loop on all entries in the buffer and fill the output Tree entries with alloc and free in the buffer are eliminated

Definition at line 466 of file TMemStatMng.cxx.

◆ FreeHook()

void TMemStatMng::FreeHook ( void ptr,
const void  
)
staticprotected

FreeHook - a static function A glibc memory deallocation hook.

Definition at line 323 of file TMemStatMng.cxx.

◆ generateBTID()

Int_t TMemStatMng::generateBTID ( UChar_t CRCdigest,
Int_t  stackEntries,
void **  stackPointers 
)
protected

An internal function, which returns a bitid for a corresponding CRC digest cache variables.

Definition at line 343 of file TMemStatMng.cxx.

◆ GetInstance()

TMemStatMng * TMemStatMng::GetInstance ( )
static

GetInstance - a static function Initialize a singleton of MemStat manager.

Definition at line 118 of file TMemStatMng.cxx.

◆ Init()

void TMemStatMng::Init ( )
protected

old free function

Initialize MemStat manager - used only by instance method.

Definition at line 73 of file TMemStatMng.cxx.

◆ MacAllocHook()

void TMemStatMng::MacAllocHook ( void ptr,
size_t  size 
)
staticprotected

AllocHook - a static function a special memory hook for Mac OS X memory zones.

Triggered when memory is allocated.

Definition at line 266 of file TMemStatMng.cxx.

◆ MacFreeHook()

void TMemStatMng::MacFreeHook ( void ptr)
staticprotected

AllocHook - a static function a special memory hook for Mac OS X memory zones.

Triggered when memory is deallocated.

Definition at line 284 of file TMemStatMng.cxx.

◆ SetBufferSize()

void TMemStatMng::SetBufferSize ( Int_t  buffersize)

Set the maximum number of alloc/free calls to be buffered.

if the alloc and free are in the buffer, the corresponding entries are not saved tio the Tree, reducing considerably the Tree output size

Definition at line 207 of file TMemStatMng.cxx.

◆ SetMaxCalls()

void TMemStatMng::SetMaxCalls ( Int_t  maxcalls)

Set the maximum number of new/delete registered in the output Tree.

Definition at line 223 of file TMemStatMng.cxx.

◆ SetUseGNUBuiltinBacktrace()

void Memstat::TMemStatMng::SetUseGNUBuiltinBacktrace ( Bool_t  newVal)
inline

Definition at line 91 of file TMemStatMng.h.

Member Data Documentation

◆ fBeginTime

Double_t Memstat::TMemStatMng::fBeginTime
protected

Definition at line 119 of file TMemStatMng.h.

◆ fBTChecksums

CRCSet_t Memstat::TMemStatMng::fBTChecksums
private

Definition at line 138 of file TMemStatMng.h.

◆ fBTCount

Int_t Memstat::TMemStatMng::fBTCount
private

Definition at line 139 of file TMemStatMng.h.

◆ fBtID

Int_t Memstat::TMemStatMng::fBtID
protected

Definition at line 123 of file TMemStatMng.h.

◆ fBTIDCount

UInt_t Memstat::TMemStatMng::fBTIDCount
private

Definition at line 141 of file TMemStatMng.h.

◆ fBufBtID

Int_t* Memstat::TMemStatMng::fBufBtID
protected

Definition at line 130 of file TMemStatMng.h.

◆ fBufferSize

Int_t Memstat::TMemStatMng::fBufferSize
protected

Definition at line 125 of file TMemStatMng.h.

◆ fBufN

Int_t Memstat::TMemStatMng::fBufN
protected

Definition at line 126 of file TMemStatMng.h.

◆ fBufNBytes

Int_t* Memstat::TMemStatMng::fBufNBytes
protected

Definition at line 129 of file TMemStatMng.h.

◆ fBufPos

ULong64_t* Memstat::TMemStatMng::fBufPos
protected

Definition at line 127 of file TMemStatMng.h.

◆ fBufTimems

Int_t* Memstat::TMemStatMng::fBufTimems
protected

Definition at line 128 of file TMemStatMng.h.

◆ fDumpFile

TFile* Memstat::TMemStatMng::fDumpFile
protected

Definition at line 112 of file TMemStatMng.h.

◆ fDumpTree

TTree* Memstat::TMemStatMng::fDumpTree
protected

file to dump current information

Definition at line 113 of file TMemStatMng.h.

◆ fFAddrs

TMemStatFAddrContainer Memstat::TMemStatMng::fFAddrs
private

Definition at line 135 of file TMemStatMng.h.

◆ fFAddrsList

TObjArray* Memstat::TMemStatMng::fFAddrsList
private

Definition at line 136 of file TMemStatMng.h.

◆ fgInstance

TMemStatMng * TMemStatMng::fgInstance = NULL
staticprotected

tree to dump information

Definition at line 114 of file TMemStatMng.h.

◆ fgStackTop

void* Memstat::TMemStatMng::fgStackTop
staticprotected

Definition at line 115 of file TMemStatMng.h.

◆ fHbtids

TH1I* Memstat::TMemStatMng::fHbtids
private

Definition at line 137 of file TMemStatMng.h.

◆ fIndex

Int_t* Memstat::TMemStatMng::fIndex
protected

Definition at line 131 of file TMemStatMng.h.

◆ fMaxCalls

Int_t Memstat::TMemStatMng::fMaxCalls
protected

Definition at line 124 of file TMemStatMng.h.

◆ fMustWrite

Bool_t* Memstat::TMemStatMng::fMustWrite
protected

Definition at line 132 of file TMemStatMng.h.

◆ fNBytes

Int_t Memstat::TMemStatMng::fNBytes
protected

Definition at line 122 of file TMemStatMng.h.

◆ fPos

ULong64_t Memstat::TMemStatMng::fPos
protected

Definition at line 120 of file TMemStatMng.h.

◆ fPreviousFreeHook

TMemStatHook::FreeHookFunc_t Memstat::TMemStatMng::fPreviousFreeHook
protected

old malloc function

Definition at line 98 of file TMemStatMng.h.

◆ fPreviousMallocHook

TMemStatHook::MallocHookFunc_t Memstat::TMemStatMng::fPreviousMallocHook
protected

Definition at line 97 of file TMemStatMng.h.

◆ fSysInfo

TNamed* Memstat::TMemStatMng::fSysInfo
private

Definition at line 142 of file TMemStatMng.h.

◆ fTimems

Int_t Memstat::TMemStatMng::fTimems
protected

Definition at line 121 of file TMemStatMng.h.

◆ fTimeStamp

TTimeStamp Memstat::TMemStatMng::fTimeStamp
protected

Definition at line 118 of file TMemStatMng.h.

◆ fUseGNUBuiltinBacktrace

Bool_t Memstat::TMemStatMng::fUseGNUBuiltinBacktrace
protected

Definition at line 117 of file TMemStatMng.h.

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