Equalizer  1.6.1
statisticSampler.h
1 
2 /* Copyright (c) 2009-2013, Stefan Eilemann <eile@equalizergraphics.com>
3  * 2012, Daniel Nachbaur <danielnachbaur@gmail.com>
4  *
5  * This library is free software; you can redistribute it and/or modify it under
6  * the terms of the GNU Lesser General Public License version 2.1 as published
7  * by the Free Software Foundation.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
17  */
18 
19 #ifndef EQ_STATISTICSAMPLER_H
20 #define EQ_STATISTICSAMPLER_H
21 
22 #include <eq/client/configEvent.h> // member
23 
24 namespace eq
25 {
33  template< typename Owner > class StatisticSampler
34  {
35  public:
44  StatisticSampler( const Statistic::Type type, Owner* owner,
45  const uint32_t frameNumber = LB_UNDEFINED_UINT32 )
46  : _owner( owner )
47  {
48  LBASSERT( owner );
49  LBASSERT( owner->getID() != 0 );
50  LBASSERT( owner->getSerial() != EQ_INSTANCE_INVALID );
51  event.data.type = Event::STATISTIC;
52  event.data.serial = owner->getSerial();
53  event.data.originator = owner->getID();
54  event.data.statistic.type = type;
55  event.data.statistic.frameNumber = frameNumber;
56  event.data.statistic.resourceName[0] = '\0';
57  event.data.statistic.startTime = 0;
58  event.data.statistic.endTime = 0;
59 
60  if( event.data.statistic.frameNumber == LB_UNDEFINED_UINT32 )
61  event.data.statistic.frameNumber = owner->getCurrentFrame();
62  }
63 
66  {
67  LBASSERTINFO( event.data.statistic.startTime <=
68  event.data.statistic.endTime, event.data.statistic );
69  }
70 
72 
73  protected:
74  Owner* const _owner;
75  };
76 
77 }
78 
79 #endif // EQ_STATISTICSAMPLER_H
Utility to sample an statistics event.
Type
The type of the statistics event.
Definition: statistic.h:39
Statistic event in statistic.
Definition: event.h:226
StatisticSampler(const Statistic::Type type, Owner *owner, const uint32_t frameNumber=LB_UNDEFINED_UINT32)
Construct a new statistics sampler.
virtual ~StatisticSampler()
Destruct and finish statistics sampling.
ConfigEvent event
The statistics event.