System::ProcessTime Class Reference

Simple class to hold the time information of a process. More...

#include <Timing.h>

List of all members.

Public Types
typedef long long	TimeValueType
Public Member Functions
	ProcessTime ()
	Constructor.
	ProcessTime (TimeValueType k, TimeValueType u, TimeValueType e)
	Constructor.
template<TimeType T>
TimeValueType	kernelTime () const
	Retrieve the kernel time in the requested unit.
template<TimeType T>
TimeValueType	userTime () const
	Retrieve the user time in the requested unit.
template<TimeType T>
TimeValueType	elapsedTime () const
	Retrieve the elapsed time in the requested unit.
template<TimeType T>
TimeValueType	cpuTime () const
	Retrieve the CPU (user+kernel) time in the requested unit.
ProcessTime	operator- (const ProcessTime &rhs) const
	Return the delta between two ProcessTime objects.
Private Attributes
TimeValueType	i_kernel
	Internal storage.
TimeValueType	i_user
TimeValueType	i_elapsed

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Detailed Description

Simple class to hold the time information of a process.

Simplify the simultaneous handling of kernel, user and elapsed times of a process.

See also:

{bug #87341}

Definition at line 133 of file Timing.h.

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Member Typedef Documentation

typedef long long System::ProcessTime::TimeValueType

Definition at line 135 of file Timing.h.

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Constructor & Destructor Documentation

System::ProcessTime::ProcessTime

(

)

[inline]

Constructor.

Definition at line 138 of file Timing.h.

: i_kernel(0), i_user(0), i_elapsed(0) {}

System::ProcessTime::ProcessTime	(	TimeValueType	k,
		TimeValueType	u,
		TimeValueType	e
	)		[inline]

Constructor.

Definition at line 141 of file Timing.h.

                                                                  :
      i_kernel(k), i_user(u), i_elapsed(e) {}

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Member Function Documentation

template<TimeType T>

TimeValueType System::ProcessTime::cpuTime

(

)

const [inline]

Retrieve the CPU (user+kernel) time in the requested unit.

Definition at line 158 of file Timing.h.

{ return adjustTime<T>(i_user + i_kernel); }

template<TimeType T>

TimeValueType System::ProcessTime::elapsedTime

(

)

const [inline]

Retrieve the elapsed time in the requested unit.

Definition at line 154 of file Timing.h.

{ return adjustTime<T>(i_elapsed); }

template<TimeType T>

TimeValueType System::ProcessTime::kernelTime

(

)

const [inline]

Retrieve the kernel time in the requested unit.

Definition at line 146 of file Timing.h.

{ return adjustTime<T>(i_kernel); }

ProcessTime System::ProcessTime::operator-

(

const ProcessTime &

rhs )

const [inline]

Return the delta between two ProcessTime objects.

Definition at line 161 of file Timing.h.

                                                               {
      return ProcessTime(i_kernel - rhs.i_kernel,
                         i_user - rhs.i_user,
                         i_elapsed - rhs.i_elapsed);
    }

template<TimeType T>

TimeValueType System::ProcessTime::userTime

(

)

const [inline]

Retrieve the user time in the requested unit.

Definition at line 150 of file Timing.h.

{ return adjustTime<T>(i_user); }

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Member Data Documentation

TimeValueType System::ProcessTime::i_elapsed [private]

Definition at line 168 of file Timing.h.

TimeValueType System::ProcessTime::i_kernel [private]

Internal storage.

Definition at line 168 of file Timing.h.

TimeValueType System::ProcessTime::i_user [private]

Definition at line 168 of file Timing.h.

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

• /afs/cern.ch/sw/Gaudi/releases/GAUDI/GAUDI_v23r0/GaudiKernel/GaudiKernel/Timing.h