/usr/include/root/TStopwatch.h is in libroot-core-dev 5.34.00-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 | // @(#)root/base:$Id: TStopwatch.h 20877 2007-11-19 11:17:07Z rdm $
// Author: Fons Rademakers 11/10/95
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TStopwatch
#define ROOT_TStopwatch
//////////////////////////////////////////////////////////////////////////
// //
// TStopwatch //
// //
// Stopwatch class. This class returns the real and cpu time between //
// the start and stop events. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObject
#include "TObject.h"
#endif
class TStopwatch : public TObject {
private:
enum EState { kUndefined, kStopped, kRunning };
Double_t fStartRealTime; //wall clock start time
Double_t fStopRealTime; //wall clock stop time
Double_t fStartCpuTime; //cpu start time
Double_t fStopCpuTime; //cpu stop time
Double_t fTotalCpuTime; //total cpu time
Double_t fTotalRealTime; //total real time
EState fState; //stopwatch state
Int_t fCounter; //number of times the stopwatch was started
static Double_t GetRealTime();
static Double_t GetCPUTime();
public:
TStopwatch();
void Start(Bool_t reset = kTRUE);
void Stop();
void Continue();
Int_t Counter() const { return fCounter; }
Double_t RealTime();
void Reset() { ResetCpuTime(); ResetRealTime(); }
void ResetCpuTime(Double_t time = 0) { Stop(); fTotalCpuTime = time; }
void ResetRealTime(Double_t time = 0) { Stop(); fTotalRealTime = time; }
Double_t CpuTime();
void Print(Option_t *option="") const;
ClassDef(TStopwatch,1) //A stopwatch which times real and cpu time
};
#endif
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