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
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
|
/**
* @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"
#include "lltrace.h"
class LLStopWatchControlsMixinCommon
{
public:
virtual ~LLStopWatchControlsMixinCommon() {}
enum EStopWatchState
{
STOPPED,
PAUSED,
STARTED
};
virtual void start();
virtual void stop();
virtual void pause();
virtual void resume();
virtual void restart();
virtual void reset();
bool isStarted() const { return mState == STARTED; }
bool isPaused() const { return mState == PAUSED; }
bool isStopped() const { return mState == STOPPED; }
EStopWatchState getPlayState() const { return mState; }
protected:
LLStopWatchControlsMixinCommon()
: mState(STOPPED)
{}
// derived classes can call this from their copy constructor in order
// to duplicate play state of source
void initTo(EStopWatchState state);
private:
// trigger active behavior (without reset)
virtual void handleStart(){};
// stop active behavior
virtual void handleStop(){};
// clear accumulated state, can be called while started
virtual void handleReset(){};
EStopWatchState mState;
};
template<typename DERIVED>
class LLStopWatchControlsMixin
: public LLStopWatchControlsMixinCommon
{
public:
typedef LLStopWatchControlsMixin<DERIVED> self_t;
virtual void splitTo(DERIVED& other)
{
handleSplitTo(other);
}
virtual void splitFrom(DERIVED& other)
{
static_cast<self_t&>(other).handleSplitTo(*static_cast<DERIVED*>(this));
}
private:
// atomically stop this object while starting the other
// no data can be missed in between stop and start
virtual void handleSplitTo(DERIVED& other) {};
};
namespace LLTrace
{
class Recording : public LLStopWatchControlsMixin<Recording>
{
public:
Recording();
Recording(const Recording& other);
~Recording();
void makePrimary();
bool isPrimary() const;
void makeUnique();
// accumulate data from subsequent, non-overlapping recording
void appendRecording(const Recording& other);
// gather data from recording, ignoring time relationship (for example, pulling data from slave threads)
void mergeRecording(const Recording& other);
void update();
// Timer accessors
LLUnit<LLUnits::Seconds, F64> getSum(const TraceType<TimeBlockAccumulator>& stat) const;
LLUnit<LLUnits::Seconds, F64> getSum(const TraceType<TimeBlockAccumulator::SelfTimeAspect>& stat) const;
U32 getSum(const TraceType<TimeBlockAccumulator::CallCountAspect>& stat) const;
LLUnit<LLUnits::Seconds, F64> getPerSec(const TraceType<TimeBlockAccumulator>& stat) const;
LLUnit<LLUnits::Seconds, F64> getPerSec(const TraceType<TimeBlockAccumulator::SelfTimeAspect>& stat) const;
F32 getPerSec(const TraceType<TimeBlockAccumulator::CallCountAspect>& stat) const;
// Memory accessors
LLUnit<LLUnits::Bytes, U32> getSum(const TraceType<MemStatAccumulator>& stat) const;
LLUnit<LLUnits::Bytes, F32> getPerSec(const TraceType<MemStatAccumulator>& stat) const;
// Count accessors
F64 getSum(const TraceType<CountAccumulator<F64> >& stat) const;
S64 getSum(const TraceType<CountAccumulator<S64> >& stat) const;
template <typename T>
T getSum(const Count<T>& stat) const
{
return (T)getSum(static_cast<const TraceType<CountAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getPerSec(const TraceType<CountAccumulator<F64> >& stat) const;
F64 getPerSec(const TraceType<CountAccumulator<S64> >& stat) const;
template <typename T>
T getPerSec(const Count<T>& stat) const
{
return (T)getPerSec(static_cast<const TraceType<CountAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
U32 getSampleCount(const TraceType<CountAccumulator<F64> >& stat) const;
U32 getSampleCount(const TraceType<CountAccumulator<S64> >& stat) const;
// Measurement accessors
F64 getSum(const TraceType<MeasurementAccumulator<F64> >& stat) const;
S64 getSum(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getSum(const Measurement<T>& stat) const
{
return (T)getSum(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getPerSec(const TraceType<MeasurementAccumulator<F64> >& stat) const;
F64 getPerSec(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getPerSec(const Measurement<T>& stat) const
{
return (T)getPerSec(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getMin(const TraceType<MeasurementAccumulator<F64> >& stat) const;
S64 getMin(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getMin(const Measurement<T>& stat) const
{
return (T)getMin(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getMax(const TraceType<MeasurementAccumulator<F64> >& stat) const;
S64 getMax(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getMax(const Measurement<T>& stat) const
{
return (T)getMax(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getMean(const TraceType<MeasurementAccumulator<F64> >& stat) const;
F64 getMean(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getMean(Measurement<T>& stat) const
{
return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getStandardDeviation(const TraceType<MeasurementAccumulator<F64> >& stat) const;
F64 getStandardDeviation(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getStandardDeviation(const Measurement<T>& stat) const
{
return (T)getMean(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
F64 getLastValue(const TraceType<MeasurementAccumulator<F64> >& stat) const;
S64 getLastValue(const TraceType<MeasurementAccumulator<S64> >& stat) const;
template <typename T>
T getLastValue(const Measurement<T>& stat) const
{
return (T)getLastValue(static_cast<const TraceType<MeasurementAccumulator<LLUnits::HighestPrecisionType<T>::type_t> >&> (stat));
}
U32 getSampleCount(const TraceType<MeasurementAccumulator<F64> >& stat) const;
U32 getSampleCount(const TraceType<MeasurementAccumulator<S64> >& stat) const;
LLUnit<LLUnits::Seconds, F64> getDuration() const { return LLUnit<LLUnits::Seconds, F64>(mElapsedSeconds); }
private:
friend class ThreadRecorder;
// implementation for LLStopWatchControlsMixin
/*virtual*/ void handleStart();
/*virtual*/ void handleStop();
/*virtual*/ void handleReset();
/*virtual*/ void handleSplitTo(Recording& other);
// returns data for current thread
class ThreadRecorder* getThreadRecorder();
LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<F64> > > mCountsFloat;
LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<F64> > > mMeasurementsFloat;
LLCopyOnWritePointer<AccumulatorBuffer<CountAccumulator<S64> > > mCounts;
LLCopyOnWritePointer<AccumulatorBuffer<MeasurementAccumulator<S64> > > mMeasurements;
LLCopyOnWritePointer<AccumulatorBuffer<TimeBlockAccumulator> > mStackTimers;
LLCopyOnWritePointer<AccumulatorBuffer<MemStatAccumulator> > mMemStats;
LLTimer mSamplingTimer;
F64 mElapsedSeconds;
};
class LL_COMMON_API PeriodicRecording
: public LLStopWatchControlsMixin<PeriodicRecording>
{
public:
PeriodicRecording(S32 num_periods, EStopWatchState state = STOPPED);
PeriodicRecording(PeriodicRecording& recording);
~PeriodicRecording();
void nextPeriod();
S32 getNumPeriods() { return mNumPeriods; }
Recording& getLastRecordingPeriod()
{
return mRecordingPeriods[(mCurPeriod + mNumPeriods - 1) % mNumPeriods];
}
const Recording& getLastRecordingPeriod() const
{
return getPrevRecordingPeriod(1);
}
Recording& getCurRecordingPeriod()
{
return mRecordingPeriods[mCurPeriod];
}
const Recording& getCurRecordingPeriod() const
{
return mRecordingPeriods[mCurPeriod];
}
Recording& getPrevRecordingPeriod(S32 offset)
{
offset = llclamp(offset, 0, mNumPeriods - 1);
return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
}
const Recording& getPrevRecordingPeriod(S32 offset) const
{
offset = llclamp(offset, 0, mNumPeriods - 1);
return mRecordingPeriods[(mCurPeriod + mNumPeriods - offset) % mNumPeriods];
}
Recording snapshotCurRecordingPeriod() const
{
Recording recording_copy(getCurRecordingPeriod());
recording_copy.stop();
return recording_copy;
}
Recording& getTotalRecording();
template <typename T>
typename T::value_t getPeriodMin(const TraceType<T>& stat) const
{
typename T::value_t min_val = (std::numeric_limits<typename T::value_t>::max)();
for (S32 i = 0; i < mNumPeriods; i++)
{
min_val = llmin(min_val, mRecordingPeriods[i].getSum(stat));
}
return min_val;
}
template <typename T>
F64 getPeriodMinPerSec(const TraceType<T>& stat) const
{
F64 min_val = (std::numeric_limits<F64>::max)();
for (S32 i = 0; i < mNumPeriods; i++)
{
min_val = llmin(min_val, mRecordingPeriods[i].getPerSec(stat));
}
return min_val;
}
template <typename T>
typename T::value_t getPeriodMax(const TraceType<T>& stat) const
{
typename T::value_t max_val = (std::numeric_limits<typename T::value_t>::min)();
for (S32 i = 0; i < mNumPeriods; i++)
{
max_val = llmax(max_val, mRecordingPeriods[i].getSum(stat));
}
return max_val;
}
template <typename T>
F64 getPeriodMaxPerSec(const TraceType<T>& stat) const
{
F64 max_val = (std::numeric_limits<F64>::min)();
for (S32 i = 0; i < mNumPeriods; i++)
{
max_val = llmax(max_val, mRecordingPeriods[i].getPerSec(stat));
}
return max_val;
}
template <typename T>
typename TraceType<T>::mean_t getPeriodMean(const TraceType<T>& stat) const
{
typename TraceType<T>::mean_t mean = 0.0;
for (S32 i = 0; i < mNumPeriods; i++)
{
if (mRecordingPeriods[i].getDuration() > 0.f)
{
mean += mRecordingPeriods[i].getSum(stat);
}
}
mean /= mNumPeriods;
return mean;
}
template <typename T>
typename TraceType<T>::mean_t getPeriodMeanPerSec(const TraceType<T>& stat) const
{
typename TraceType<T>::mean_t mean = 0.0;
for (S32 i = 0; i < mNumPeriods; i++)
{
if (mRecordingPeriods[i].getDuration() > 0.f)
{
mean += mRecordingPeriods[i].getPerSec(stat);
}
}
mean /= mNumPeriods;
return mean;
}
// implementation for LLStopWatchControlsMixin
/*virtual*/ void start();
/*virtual*/ void stop();
/*virtual*/ void pause();
/*virtual*/ void resume();
/*virtual*/ void restart();
/*virtual*/ void reset();
/*virtual*/ void splitTo(PeriodicRecording& other);
/*virtual*/ void splitFrom(PeriodicRecording& other);
private:
Recording* mRecordingPeriods;
Recording mTotalRecording;
bool mTotalValid;
S32 mNumPeriods,
mCurPeriod;
};
PeriodicRecording& get_frame_recording();
class ExtendableRecording
: public LLStopWatchControlsMixin<ExtendableRecording>
{
void extend();
// implementation for LLStopWatchControlsMixin
/*virtual*/ void start();
/*virtual*/ void stop();
/*virtual*/ void pause();
/*virtual*/ void resume();
/*virtual*/ void restart();
/*virtual*/ void reset();
/*virtual*/ void splitTo(ExtendableRecording& other);
/*virtual*/ void splitFrom(ExtendableRecording& other);
private:
Recording mAcceptedRecording;
Recording mPotentialRecording;
};
}
#endif // LL_LLTRACERECORDING_H
|
