/** * @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