Gaudi::Utils::LockedChrono Class Reference

#include </builds/gaudi/Gaudi/GaudiKernel/include/GaudiKernel/LockedChrono.h>

Collaboration diagram for Gaudi::Utils::LockedChrono:

Public Member Functions
	LockedChrono (ChronoEntity &c, bool &lock)
	constructor from the actual timer: start the timer More...
	~LockedChrono ()
	destructor: More...
	LockedChrono ()=delete
	no default constructor More...

Private Attributes
ChronoEntity &	m_timer
	the actual timer More...
bool &	m_locker
	the actual locker More...
bool	m_locked = false
	locked ? More...

Detailed Description

Helper object, useful for measurement of CPU-performance of highly-recursive structures, e.g. Data-On-Demand service, complex algorithms, etc...

class MyClass ...
{
 
public:
 
void doSomethingRecursive() const
  {
    ...
    LockedChrono timer ( m_chrono , m_lock ) ;
    ...
    // some direct or indirect recursive call:
    if ( ... ) { doSomethingRecursive () ; }
    ...
  }
 
private:
 
   mutable bool         m_lock   ;    // lock
   mutable ChronoEntity m_chrono ;    // actual timer
 
};

Author

Vanya BELYAEV Ivan..nosp@m.Bely.nosp@m.aev@n.nosp@m.ikhe.nosp@m.f.nl

Date

2009-08-10

Definition at line 60 of file LockedChrono.h.

Constructor & Destructor Documentation

LockedChrono() [1/2]

Gaudi::Utils::LockedChrono::LockedChrono ( ChronoEntity &  c, bool &  lock  )

inline

constructor from the actual timer: start the timer

Definition at line 64 of file LockedChrono.h.

                                                  : m_timer( c ), m_locker( lock ) {
        if ( !lock ) {
          m_timer.start();
          m_locker = true;
          m_locked = true;
        }
      }

~LockedChrono()

Gaudi::Utils::LockedChrono::~LockedChrono ( )

inline

destructor:

Definition at line 72 of file LockedChrono.h.

                      {
        if ( m_locked ) {
          m_timer.stop();
          m_locker = false;
        }
      }

LockedChrono() [2/2]

Gaudi::Utils::LockedChrono::LockedChrono ( )

delete

no default constructor

Member Data Documentation

m_locked

bool Gaudi::Utils::LockedChrono::m_locked = false

private

locked ?

Definition at line 89 of file LockedChrono.h.

m_locker

bool& Gaudi::Utils::LockedChrono::m_locker

private

the actual locker

Definition at line 87 of file LockedChrono.h.

m_timer

ChronoEntity& Gaudi::Utils::LockedChrono::m_timer

private

the actual timer

Definition at line 85 of file LockedChrono.h.

---

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

• GaudiKernel/include/GaudiKernel/LockedChrono.h