102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/**
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* @file lltrace.h
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* @brief Runtime statistics accumulation.
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*
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* $LicenseInfo:firstyear=2001&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2012, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#ifndef LL_LLTRACETHREADRECORDER_H
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#define LL_LLTRACETHREADRECORDER_H
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#include "stdtypes.h"
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#include "llpreprocessor.h"
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#include "llmutex.h"
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#include "lltraceaccumulators.h"
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namespace LLTrace
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{
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class LL_COMMON_API ThreadRecorder
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{
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protected:
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struct ActiveRecording;
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typedef std::vector<ActiveRecording*> active_recording_list_t;
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public:
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ThreadRecorder();
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explicit ThreadRecorder(ThreadRecorder& parent);
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~ThreadRecorder();
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AccumulatorBufferGroup* activate(AccumulatorBufferGroup* recording);
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void deactivate(AccumulatorBufferGroup* recording);
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active_recording_list_t::iterator bringUpToDate(AccumulatorBufferGroup* recording);
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void addChildRecorder(class ThreadRecorder* child);
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void removeChildRecorder(class ThreadRecorder* child);
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// call this periodically to gather stats data from child threads
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void pullFromChildren();
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void pushToParent();
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TimeBlockTreeNode* getTimeBlockTreeNode(size_t index);
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protected:
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void init();
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protected:
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struct ActiveRecording
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{
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ActiveRecording(AccumulatorBufferGroup* target);
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AccumulatorBufferGroup* mTargetRecording;
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AccumulatorBufferGroup mPartialRecording;
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void movePartialToTarget();
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};
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AccumulatorBufferGroup mThreadRecordingBuffers;
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BlockTimerStackRecord mBlockTimerStackRecord;
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active_recording_list_t mActiveRecordings;
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class BlockTimer* mRootTimer;
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TimeBlockTreeNode* mTimeBlockTreeNodes;
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size_t mNumTimeBlockTreeNodes;
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typedef std::list<class ThreadRecorder*> child_thread_recorder_list_t;
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child_thread_recorder_list_t mChildThreadRecorders; // list of child thread recorders associated with this master
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LLMutex mChildListMutex; // protects access to child list
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LLMutex mSharedRecordingMutex;
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AccumulatorBufferGroup mSharedRecordingBuffers;
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ThreadRecorder* mParentRecorder;
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};
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ThreadRecorder* get_thread_recorder();
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void set_thread_recorder(ThreadRecorder*);
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void set_master_thread_recorder(ThreadRecorder*);
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ThreadRecorder* get_master_thread_recorder();
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}
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#endif // LL_LLTRACETHREADRECORDER_H
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