Richard Harrison
c1dd8faa29
This is to help diagnose where performance is being used and augments the current performance monitor. The easiest way to active this is to open the performance monitor; however setting the enable property will enable less intrusive logging and overrun detection. Using the GUI performance monitor itself affects the performance when it updates. Properties /sim/performance-monitor/enabled - need to be true to be active (unchanged) /sim/performance-monitor/dump-stats - hierarchical dump to console of all current timing stats for all subsysems /sim/performance-monitor/interval-s - reporting interval (unchanged) /sim/performance-monitor/max-time-per-frame-ms - any subsystem that takes more than this amount of will be logged to the console
65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
// SGPerfMon.hxx -- Performance Tracing
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//
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// Written by Thorsten Brehm, started November 2011.
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//
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// Copyright (C) 2011 Thorsten Brehm - brehmt (at) gmail com
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// 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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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef __SGPERFMON_HXX
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#define __SGPERFMON_HXX
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#include <simgear/props/props.hxx>
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#include <simgear/structure/subsystem_mgr.hxx>
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#include <simgear/timing/timestamp.hxx>
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class SampleStatistic;
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///////////////////////////////////////////////////////////////////////////////
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// SG Performance Monitor ////////////////////////////////////////////////////
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///////////////////////////////////////////////////////////////////////////////
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class SGPerformanceMonitor : public SGSubsystem
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{
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public:
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SGPerformanceMonitor(SGSubsystemMgr* subSysMgr, SGPropertyNode_ptr root);
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virtual void bind (void);
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virtual void unbind (void);
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virtual void init (void);
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virtual void update (double dt);
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private:
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static void subSystemMgrHook(void* userData, const std::string& name, SampleStatistic* timeStat);
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void reportTiming(const std::string& name, SampleStatistic* timeStat);
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SGTimeStamp _lastUpdate;
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SGSubsystemMgr* _subSysMgr;
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SGPropertyNode_ptr _root;
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SGPropertyNode_ptr _statiticsSubsystems;
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SGPropertyNode_ptr _timingDetailsFlag;
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SGPropertyNode_ptr _statisticsFlag;
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SGPropertyNode_ptr _statisticsInterval;
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SGPropertyNode_ptr _maxTimePerFrame_ms;
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bool _isEnabled;
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int _count;
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};
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#endif // __SGPERFMON_HXX
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