A++ » INCLUDE » TTreePerfStats

class TTreePerfStats: public TVirtualPerfStats


TTreePerfStats

TTree I/O performance measurement

Function Members (Methods)

public:
virtual~TTreePerfStats()
voidTObject::AbstractMethod(const char* method) const
virtual voidTObject::AppendPad(Option_t* option = "")
virtual voidBrowse(TBrowser* b)
static TClass*Class()
virtual const char*TObject::ClassName() const
virtual voidTObject::Clear(Option_t* = "")
virtual TObject*TObject::Clone(const char* newname = "") const
virtual Int_tTObject::Compare(const TObject* obj) const
virtual voidTObject::Copy(TObject& object) const
static TVirtualPerfStats*&TVirtualPerfStats::CurrentPerfStats()
virtual voidTObject::Delete(Option_t* option = "")MENU
virtual Int_tDistancetoPrimitive(Int_t px, Int_t py)
virtual voidDraw(Option_t* option = "")
virtual voidTObject::DrawClass() constMENU
virtual TObject*TObject::DrawClone(Option_t* option = "") constMENU
virtual voidTObject::Dump() constMENU
virtual voidTObject::Error(const char* method, const char* msgfmt) const
static const char*TVirtualPerfStats::EventType(TVirtualPerfStats::EEventType type)
virtual voidTObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual voidTObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual voidExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual voidTObject::Fatal(const char* method, const char* msgfmt) const
virtual voidFileEvent(const char*, const char*, const char*, const char*, Bool_t)
virtual voidFileOpenEvent(TFile*, const char*, Double_t)
virtual voidFileReadEvent(TFile* file, Int_t len, Double_t start)
virtual TObject*TObject::FindObject(const char* name) const
virtual TObject*TObject::FindObject(const TObject* obj) const
virtual voidFinish()
virtual Long64_tGetBytesRead() const
virtual Long64_tGetBytesReadExtra() const
virtual Double_tGetCpuTime() const
virtual Double_tGetDiskTime() const
virtual Option_t*TObject::GetDrawOption() const
static Long_tTObject::GetDtorOnly()
TGraphErrors*GetGraphIO()
TGraphErrors*GetGraphTime()
const char*GetHostInfo() const
virtual const char*TObject::GetIconName() const
virtual const char*GetName() const
virtual Int_tGetNleaves() const
virtual Long64_tGetNumEvents() const
virtual char*TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_tTObject::GetObjectStat()
virtual Option_t*TObject::GetOption() const
TPaveText*GetPave()
virtual Int_tGetReadaheadSize() const
virtual Int_tGetReadCalls() const
virtual Double_tGetRealTime() const
TStopwatch*GetStopwatch() const
virtual const char*TObject::GetTitle() const
virtual Int_tGetTreeCacheSize() const
virtual UInt_tTObject::GetUniqueID() const
virtual Double_tGetUnzipTime() const
virtual Bool_tTObject::HandleTimer(TTimer* timer)
virtual ULong_tTObject::Hash() const
virtual voidTObject::Info(const char* method, const char* msgfmt) const
virtual Bool_tTObject::InheritsFrom(const char* classname) const
virtual Bool_tTObject::InheritsFrom(const TClass* cl) const
virtual voidTObject::Inspect() constMENU
voidTObject::InvertBit(UInt_t f)
virtual TClass*IsA() const
virtual Bool_tTObject::IsEqual(const TObject* obj) const
virtual Bool_tTObject::IsFolder() const
Bool_tTObject::IsOnHeap() const
virtual Bool_tTObject::IsSortable() const
Bool_tTObject::IsZombie() const
virtual voidTObject::ls(Option_t* option = "") const
voidTObject::MayNotUse(const char* method) const
virtual Bool_tTObject::Notify()
voidTObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
voidTObject::operator delete(void* ptr)
voidTObject::operator delete(void* ptr, void* vp)
voidTObject::operator delete[](void* ptr)
voidTObject::operator delete[](void* ptr, void* vp)
void*TObject::operator new(size_t sz)
void*TObject::operator new(size_t sz, void* vp)
void*TObject::operator new[](size_t sz)
void*TObject::operator new[](size_t sz, void* vp)
TTreePerfStats&operator=(const TTreePerfStats&)
virtual voidPacketEvent(const char*, const char*, const char*, Long64_t, Double_t, Double_t, Double_t, Long64_t)
virtual voidPaint(Option_t* chopt = "")
virtual voidTObject::Pop()
virtual voidPrint(Option_t* option = "") const
virtual voidRateEvent(Double_t, Double_t, Long64_t, Long64_t)
virtual Int_tTObject::Read(const char* name)
virtual voidTObject::RecursiveRemove(TObject* obj)
voidTObject::ResetBit(UInt_t f)
virtual voidSaveAs(const char* filename = "", Option_t* option = "") const
virtual voidSavePrimitive(ostream& out, Option_t* option = "")
voidTObject::SetBit(UInt_t f)
voidTObject::SetBit(UInt_t f, Bool_t set)
virtual voidSetBytesRead(Long64_t nbytes)
virtual voidSetBytesReadExtra(Long64_t nbytes)
virtual voidSetCompress(Double_t cx)
virtual voidSetCpuTime(Double_t cptime)
virtual voidSetDiskTime(Double_t t)
virtual voidTObject::SetDrawOption(Option_t* option = "")MENU
static voidTObject::SetDtorOnly(void* obj)
virtual voidSetGraphIO(TGraphErrors* gr)
virtual voidSetGraphTime(TGraphErrors* gr)
virtual voidSetHostInfo(const char* info)
virtual voidSetName(const char* name)
virtual voidSetNleaves(Int_t nleaves)
virtual voidSetNumEvents(Long64_t)
static voidTObject::SetObjectStat(Bool_t stat)
virtual voidSetReadaheadSize(Int_t nbytes)
virtual voidSetReadCalls(Int_t ncalls)
virtual voidSetRealNorm(Double_t rnorm)
virtual voidSetRealTime(Double_t rtime)
virtual voidSetTreeCacheSize(Int_t nbytes)
virtual voidTObject::SetUniqueID(UInt_t uid)
virtual voidSetUnzipTime(Double_t uztime)
virtual voidShowMembers(TMemberInspector& insp) const
virtual voidSimpleEvent(TVirtualPerfStats::EEventType)
virtual voidStreamer(TBuffer&)
voidStreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
virtual voidTObject::SysError(const char* method, const char* msgfmt) const
Bool_tTObject::TestBit(UInt_t f) const
Int_tTObject::TestBits(UInt_t f) const
TTreePerfStats()
TTreePerfStats(const TTreePerfStats&)
TTreePerfStats(const char* name, TTree* T)
virtual voidUnzipEvent(TObject* tree, Long64_t pos, Double_t start, Int_t complen, Int_t objlen)
virtual voidTObject::UseCurrentStyle()
virtual voidTObject::Warning(const char* method, const char* msgfmt) const
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_tTObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const
protected:
virtual voidTObject::DoError(int level, const char* location, const char* fmt, va_list va) const
voidTObject::MakeZombie()

Data Members

protected:
Long64_tfBytesReadNumber of bytes read
Long64_tfBytesReadExtraNumber of bytes (overhead) of the readahead cache
Double_tfCompressTree compression factor
Double_tfCpuTimeCpu time
Double_tfDiskTimeTime spent in pure raw disk IO
TFile*fFile!pointer to the file containing the Tree
TGraphErrors*fGraphIOpointer to the graph with IO data
TGraphErrors*fGraphTimepointer to the graph with timestamp info
TStringfHostInfoname of the host system, ROOT version and date
TText*fHostInfoTextGraphics Text object with the fHostInfo data
TStringfNamename of this TTreePerfStats
Int_tfNleavesNumber of leaves in the tree
TPaveText*fPavepointer to annotation pavetext
Int_tfReadCallsNumber of read calls
Int_tfReadaheadSizeReadahead cache size
Double_tfRealNormReal time scale factor for fGraphTime
Double_tfRealTimeReal time
TGaxis*fRealTimeAxispointer to TGaxis object showing real-time
TTree*fTree!pointer to the Tree being monitored
Int_tfTreeCacheSizeTTreeCache buffer size
Double_tfUnzipTimeTime spent uncompressing the data.
TStopwatch*fWatchTStopwatch pointer

Class Charts

Inheritance Chart:
TObject
←
TVirtualPerfStats
←
TTreePerfStats

Function documentation

TTreePerfStats()
TTreePerfStats(const char* name, TTree* T)
virtual ~TTreePerfStats()
void Browse(TBrowser* b)
Int_t DistancetoPrimitive(Int_t px, Int_t py)
void Draw(Option_t* option = "")
void ExecuteEvent(Int_t event, Int_t px, Int_t py)
void Finish()
Long64_t GetBytesRead() const
{return fBytesRead;}
Long64_t GetBytesReadExtra() const
{return fBytesReadExtra;}
Double_t GetCpuTime() const
{return fCpuTime;}
Double_t GetDiskTime() const
{return fDiskTime;}
TGraphErrors * GetGraphIO()
{return fGraphIO;}
TGraphErrors * GetGraphTime()
{return fGraphTime;}
const char * GetHostInfo() const
{return fHostInfo.Data();}
const char * GetName() const
{return fName.Data();}
Int_t GetNleaves() const
{return fNleaves;}
Long64_t GetNumEvents() const
{return 0;}
TPaveText * GetPave()
{return fPave;}
Int_t GetReadaheadSize() const
{return fReadaheadSize;}
Int_t GetReadCalls() const
{return fReadCalls;}
Double_t GetRealTime() const
{return fRealTime;}
TStopwatch * GetStopwatch() const
{return fWatch;}
Int_t GetTreeCacheSize() const
{return fTreeCacheSize;}
Double_t GetUnzipTime() const
{return fUnzipTime; }
void Paint(Option_t* chopt = "")
void Print(Option_t* option = "") const
void SimpleEvent(TVirtualPerfStats::EEventType )
{}
void PacketEvent(const char* , const char* , const char* , Long64_t , Double_t , Double_t , Double_t , Long64_t )
{}
void FileOpenEvent(TFile* , const char* , Double_t )
{}
void FileReadEvent(TFile* file, Int_t len, Double_t start)
void UnzipEvent(TObject* tree, Long64_t pos, Double_t start, Int_t complen, Int_t objlen)
void RateEvent(Double_t , Double_t , Long64_t , Long64_t )
{}
void SaveAs(const char* filename = "", Option_t* option = "") const
void SavePrimitive(ostream& out, Option_t* option = "")
void SetBytesRead(Long64_t nbytes)
{fBytesRead = nbytes;}
void SetBytesReadExtra(Long64_t nbytes)
{fBytesReadExtra = nbytes;}
void SetCompress(Double_t cx)
{fCompress = cx;}
void SetDiskTime(Double_t t)
{fDiskTime = t;}
void SetNumEvents(Long64_t )
{}
void SetCpuTime(Double_t cptime)
{fCpuTime = cptime;}
void SetGraphIO(TGraphErrors* gr)
{fGraphIO = gr;}
void SetGraphTime(TGraphErrors* gr)
{fGraphTime = gr;}
void SetHostInfo(const char* info)
{fHostInfo = info;}
void SetName(const char* name)
{fName = name;}
void SetNleaves(Int_t nleaves)
{fNleaves = nleaves;}
void SetReadaheadSize(Int_t nbytes)
{fReadaheadSize = nbytes;}
void SetReadCalls(Int_t ncalls)
{fReadCalls = ncalls;}
void SetRealNorm(Double_t rnorm)
{fRealNorm = rnorm;}
void SetRealTime(Double_t rtime)
{fRealTime = rtime;}
void SetTreeCacheSize(Int_t nbytes)
{fTreeCacheSize = nbytes;}
void SetUnzipTime(Double_t uztime)
{fUnzipTime = uztime;}