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/**
* @file llviewerstatsrecorder.h
* @brief record info about viewer events to a metrics log file
*
* $LicenseInfo:firstyear=2010&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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 LLVIEWERSTATSRECORDER_H
#define LLVIEWERSTATSRECORDER_H
// This is a diagnostic class used to record information from the viewer
// for analysis.
#include "llframetimer.h"
#include "llviewerobject.h"
#include "llviewerregion.h"
class LLMutex;
class LLViewerObject;
class LLViewerStatsRecorder : public LLSingleton<LLViewerStatsRecorder>
{
LLSINGLETON(LLViewerStatsRecorder);
LOG_CLASS(LLViewerStatsRecorder);
~LLViewerStatsRecorder();
public:
// Enable/disable stats recording. This is broken down into two
// flags so we can record stats without writing them to the log
// file. This is useful to analyzing updates for scene loading.
void enableObjectStatsRecording(bool enable, bool logging = false);
bool isEnabled() const { return mEnableStatsRecording; }
bool isLogging() const { return mEnableStatsLogging; }
void objectUpdateFailure()
{
if (mEnableStatsRecording)
{
mObjectUpdateFailures++;
}
}
void cacheMissEvent(U8 cache_miss_type)
{
if (mEnableStatsRecording)
{
recordCacheMissEvent(cache_miss_type);
}
}
void cacheHitEvent()
{
if (mEnableStatsRecording)
{
mObjectCacheHitCount++;
}
}
void objectUpdateEvent(const EObjectUpdateType update_type)
{
if (mEnableStatsRecording)
{
recordObjectUpdateEvent(update_type);
}
}
void cacheFullUpdate(LLViewerRegion::eCacheUpdateResult update_result)
{
if (mEnableStatsRecording)
{
recordCacheFullUpdate(update_result);
}
}
void requestCacheMissesEvent(S32 count)
{
if (mEnableStatsRecording)
{
mObjectCacheMissRequests += count;
}
}
void textureFetch()
{
if (mEnableStatsRecording)
{
mTextureFetchCount += 1;
}
}
void meshLoaded()
{
if (mEnableStatsRecording)
{
mMeshLoadedCount += 1;
}
}
void recordObjectKills(S32 num_objects)
{
if (mEnableStatsRecording)
{
mObjectKills += num_objects;
}
}
void idle()
{
writeToLog(mInterval);
}
F32 getTimeSinceStart();
private:
void recordCacheMissEvent(U8 cache_miss_type);
void recordObjectUpdateEvent(const EObjectUpdateType update_type);
void recordCacheFullUpdate(LLViewerRegion::eCacheUpdateResult update_result);
void writeToLog(F32 interval);
void closeStatsFile();
void makeStatsFileName();
static LLViewerStatsRecorder* sInstance;
LLFILE * mStatsFile; // File to write data into
std::string mStatsFileName;
LLFrameTimer mTimer;
F64 mFileOpenTime;
F64 mLastSnapshotTime;
F32 mInterval; // Interval between data log writes
F32 mMaxDuration; // Time limit on file
bool mEnableStatsRecording; // Set to true to enable recording stats data
bool mEnableStatsLogging; // Set true to write stats to log file
bool mSkipSaveIfZeros; // Set true to skip saving stats if all values are zero
S32 mObjectCacheHitCount;
S32 mObjectCacheMissFullCount;
S32 mObjectCacheMissCrcCount;
S32 mObjectFullUpdates;
S32 mObjectTerseUpdates;
S32 mObjectCacheMissRequests;
S32 mObjectCacheUpdateDupes;
S32 mObjectCacheUpdateChanges;
S32 mObjectCacheUpdateAdds;
S32 mObjectCacheUpdateReplacements;
S32 mObjectUpdateFailures;
S32 mTextureFetchCount;
S32 mMeshLoadedCount;
S32 mObjectKills;
void clearStats();
};
#endif // LLVIEWERSTATSRECORDER_H
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