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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/**
* @file lltracerecording.h
* @brief Sampling object for collecting runtime statistics originating from lltrace.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2012, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#ifndef LL_LLTRACERECORDING_H
#define LL_LLTRACERECORDING_H
#include "stdtypes.h"
#include "llpreprocessor.h"
#include "llpointer.h"
#include "lltimer.h"
namespace LLTrace
{
template<typename T, typename IS_UNIT> class Rate;
template<typename T, typename IS_UNIT> class Measurement;
template<typename T> class AccumulatorBuffer;
template<typename T> class RateAccumulator;
template<typename T> class MeasurementAccumulator;
class TimerAccumulator;
class LL_COMMON_API Recording
{
public:
Recording();
~Recording();
void makePrimary();
bool isPrimary();
void start();
void stop();
void resume();
void mergeSamples(const Recording& other);
void mergeDeltas(const Recording& baseline, const Recording& target);
void reset();
bool isStarted() { return mIsStarted; }
F32 getSum(Rate<F32, void>& stat);
F32 getPerSec(Rate<F32, void>& stat);
F32 getSum(Measurement<F32, void>& stat);
F32 getMin(Measurement<F32, void>& stat);
F32 getMax(Measurement<F32, void>& stat);
F32 getMean(Measurement<F32, void>& stat);
F32 getStandardDeviation(Measurement<F32, void>& stat);
F64 getSampleTime() { return mElapsedSeconds; }
private:
friend class ThreadRecorder;
// returns data for current thread
class ThreadRecorder* getThreadRecorder();
LLCopyOnWritePointer<AccumulatorBuffer<RateAccumulator<F32> > > mRates;
LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<F32> > > mMeasurements;
LLCopyOnWritePointer<AccumulatorBuffer<TimerAccumulator> > mStackTimers;
bool mIsStarted;
LLTimer mSamplingTimer;
F64 mElapsedSeconds;
};
class LL_COMMON_API PeriodicRecording
{
};
}
#endif // LL_LLTRACERECORDING_H
|
