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
|
/**
* @file lltrace.h
* @brief Runtime statistics accumulation.
*
* $LicenseInfo:firstyear=2001&license=viewerlgpl$
* 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_LLTRACETHREADRECORDER_H
#define LL_LLTRACETHREADRECORDER_H
#include "stdtypes.h"
#include "llpreprocessor.h"
#include "llmutex.h"
#include "lltraceaccumulators.h"
namespace LLTrace
{
class LL_COMMON_API ThreadRecorder
{
protected:
struct ActiveRecording;
typedef std::vector<ActiveRecording*> active_recording_list_t;
public:
ThreadRecorder();
explicit ThreadRecorder(ThreadRecorder& parent);
~ThreadRecorder();
AccumulatorBufferGroup* activate(AccumulatorBufferGroup* recording);
void deactivate(AccumulatorBufferGroup* recording);
active_recording_list_t::iterator bringUpToDate(AccumulatorBufferGroup* recording);
void addChildRecorder(class ThreadRecorder* child);
void removeChildRecorder(class ThreadRecorder* child);
// call this periodically to gather stats data from child threads
void pullFromChildren();
void pushToParent();
TimeBlockTreeNode* getTimeBlockTreeNode(size_t index);
protected:
void init();
protected:
struct ActiveRecording
{
ActiveRecording(AccumulatorBufferGroup* target);
AccumulatorBufferGroup* mTargetRecording;
AccumulatorBufferGroup mPartialRecording;
void movePartialToTarget();
};
AccumulatorBufferGroup mThreadRecordingBuffers;
BlockTimerStackRecord mBlockTimerStackRecord;
active_recording_list_t mActiveRecordings;
class BlockTimer* mRootTimer;
TimeBlockTreeNode* mTimeBlockTreeNodes;
size_t mNumTimeBlockTreeNodes;
typedef std::list<class ThreadRecorder*> child_thread_recorder_list_t;
child_thread_recorder_list_t mChildThreadRecorders; // list of child thread recorders associated with this master
LLMutex mChildListMutex; // protects access to child list
LLMutex mSharedRecordingMutex;
AccumulatorBufferGroup mSharedRecordingBuffers;
ThreadRecorder* mParentRecorder;
};
ThreadRecorder* get_thread_recorder();
void set_thread_recorder(ThreadRecorder*);
void set_master_thread_recorder(ThreadRecorder*);
ThreadRecorder* get_master_thread_recorder();
}
#endif // LL_LLTRACETHREADRECORDER_H
|
