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/**
* @file llviewerstatsrecorder.cpp
* @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
* $/LicenseInfo$
*/
#include "llviewerprecompiledheaders.h"
#include "llviewerstatsrecorder.h"
#include "llfile.h"
#include "llviewerregion.h"
#include "llviewerobject.h"
// To do - something using region name or global position
#if LL_WINDOWS
static const std::string STATS_FILE_NAME("C:\\ViewerObjectCacheStats.csv");
#else
static const std::string STATS_FILE_NAME("/tmp/viewerstats.csv");
#endif
LLViewerStatsRecorder* LLViewerStatsRecorder::sInstance = NULL;
LLViewerStatsRecorder::LLViewerStatsRecorder() :
mObjectCacheFile(NULL),
mTimer(),
mStartTime(0.0),
mLastSnapshotTime(0.0)
{
if (NULL != sInstance)
{
llerrs << "Attempted to create multiple instances of LLViewerStatsRecorder!" << llendl;
}
sInstance = this;
clearStats();
}
LLViewerStatsRecorder::~LLViewerStatsRecorder()
{
if (mObjectCacheFile != NULL)
{
// last chance snapshot
writeToLog(0.f);
LLFile::close(mObjectCacheFile);
mObjectCacheFile = NULL;
}
}
void LLViewerStatsRecorder::clearStats()
{
mObjectCacheHitCount = 0;
mObjectCacheHitSize = 0;
mObjectCacheMissFullCount = 0;
mObjectCacheMissFullSize = 0;
mObjectCacheMissCrcCount = 0;
mObjectCacheMissCrcSize = 0;
mObjectFullUpdates = 0;
mObjectFullUpdatesSize = 0;
mObjectTerseUpdates = 0;
mObjectTerseUpdatesSize = 0;
mObjectCacheMissRequests = 0;
mObjectCacheMissResponses = 0;
mObjectCacheMissResponsesSize = 0;
mObjectCacheUpdateDupes = 0;
mObjectCacheUpdateChanges = 0;
mObjectCacheUpdateAdds = 0;
mObjectCacheUpdateReplacements = 0;
mObjectUpdateFailures = 0;
mObjectUpdateFailuresSize = 0;
mTextureFetchSize = 0;
}
void LLViewerStatsRecorder::recordObjectUpdateFailure(U32 local_id, const EObjectUpdateType update_type, S32 msg_size)
{
mObjectUpdateFailures++;
mObjectUpdateFailuresSize += msg_size;
}
void LLViewerStatsRecorder::recordCacheMissEvent(U32 local_id, const EObjectUpdateType update_type, U8 cache_miss_type, S32 msg_size)
{
if (LLViewerRegion::CACHE_MISS_TYPE_FULL == cache_miss_type)
{
mObjectCacheMissFullCount++;
mObjectCacheMissFullSize += msg_size;
}
else
{
mObjectCacheMissCrcCount++;
mObjectCacheMissCrcSize += msg_size;
}
}
void LLViewerStatsRecorder::recordObjectUpdateEvent(U32 local_id, const EObjectUpdateType update_type, LLViewerObject * objectp, S32 msg_size)
{
switch (update_type)
{
case OUT_FULL:
mObjectFullUpdates++;
mObjectFullUpdatesSize += msg_size;
break;
case OUT_TERSE_IMPROVED:
mObjectTerseUpdates++;
mObjectTerseUpdatesSize += msg_size;
break;
case OUT_FULL_COMPRESSED:
mObjectCacheMissResponses++;
mObjectCacheMissResponsesSize += msg_size;
break;
case OUT_FULL_CACHED:
mObjectCacheHitCount++;
mObjectCacheHitSize += msg_size;
break;
default:
llwarns << "Unknown update_type" << llendl;
break;
};
}
void LLViewerStatsRecorder::recordCacheFullUpdate(U32 local_id, const EObjectUpdateType update_type, LLViewerRegion::eCacheUpdateResult update_result, LLViewerObject* objectp, S32 msg_size)
{
switch (update_result)
{
case LLViewerRegion::CACHE_UPDATE_DUPE:
mObjectCacheUpdateDupes++;
break;
case LLViewerRegion::CACHE_UPDATE_CHANGED:
mObjectCacheUpdateChanges++;
break;
case LLViewerRegion::CACHE_UPDATE_ADDED:
mObjectCacheUpdateAdds++;
break;
case LLViewerRegion::CACHE_UPDATE_REPLACED:
mObjectCacheUpdateReplacements++;
break;
default:
llwarns << "Unknown update_result type" << llendl;
break;
};
}
void LLViewerStatsRecorder::recordRequestCacheMissesEvent(S32 count)
{
mObjectCacheMissRequests += count;
}
void LLViewerStatsRecorder::writeToLog( F32 interval )
{
size_t data_size = 0;
F64 delta_time = LLTimer::getTotalSeconds() - mLastSnapshotTime;
S32 total_objects = mObjectCacheHitCount + mObjectCacheMissCrcCount + mObjectCacheMissFullCount + mObjectFullUpdates + mObjectTerseUpdates + mObjectCacheMissRequests + mObjectCacheMissResponses + mObjectCacheUpdateDupes + mObjectCacheUpdateChanges + mObjectCacheUpdateAdds + mObjectCacheUpdateReplacements + mObjectUpdateFailures;
if ( delta_time < interval || total_objects == 0) return;
mLastSnapshotTime = LLTimer::getTotalSeconds();
lldebugs << "ILX: "
<< mObjectCacheHitCount << " hits, "
<< mObjectCacheMissFullCount << " full misses, "
<< mObjectCacheMissCrcCount << " crc misses, "
<< mObjectFullUpdates << " full updates, "
<< mObjectTerseUpdates << " terse updates, "
<< mObjectCacheMissRequests << " cache miss requests, "
<< mObjectCacheMissResponses << " cache miss responses, "
<< mObjectCacheUpdateDupes << " cache update dupes, "
<< mObjectCacheUpdateChanges << " cache update changes, "
<< mObjectCacheUpdateAdds << " cache update adds, "
<< mObjectCacheUpdateReplacements << " cache update replacements, "
<< mObjectUpdateFailures << " update failures"
<< llendl;
if (mObjectCacheFile == NULL)
{
mStartTime = LLTimer::getTotalSeconds();
mObjectCacheFile = LLFile::fopen(STATS_FILE_NAME, "wb");
if (mObjectCacheFile)
{ // Write column headers
std::ostringstream data_msg;
data_msg << "EventTime(ms)\t"
<< "Cache Hits\t"
<< "Cache Full Misses\t"
<< "Cache Crc Misses\t"
<< "Full Updates\t"
<< "Terse Updates\t"
<< "Cache Miss Requests\t"
<< "Cache Miss Responses\t"
<< "Cache Update Dupes\t"
<< "Cache Update Changes\t"
<< "Cache Update Adds\t"
<< "Cache Update Replacements\t"
<< "Update Failures\t"
<< "Cache Hits bps\t"
<< "Cache Full Misses bps\t"
<< "Cache Crc Misses bps\t"
<< "Full Updates bps\t"
<< "Terse Updates bps\t"
<< "Cache Miss Responses bps\t"
<< "Texture Fetch bps\t"
<< "\n";
data_size = data_msg.str().size();
if (fwrite(data_msg.str().c_str(), 1, data_size, mObjectCacheFile ) != data_size)
{
llwarns << "failed to write full headers to " << STATS_FILE_NAME << llendl;
}
}
else
{
//llwarns << "Couldn't open " << STATS_FILE_NAME << " for logging." << llendl;
return;
}
}
std::ostringstream data_msg;
data_msg << getTimeSinceStart()
<< "\t " << mObjectCacheHitCount
<< "\t" << mObjectCacheMissFullCount
<< "\t" << mObjectCacheMissCrcCount
<< "\t" << mObjectFullUpdates
<< "\t" << mObjectTerseUpdates
<< "\t" << mObjectCacheMissRequests
<< "\t" << mObjectCacheMissResponses
<< "\t" << mObjectCacheUpdateDupes
<< "\t" << mObjectCacheUpdateChanges
<< "\t" << mObjectCacheUpdateAdds
<< "\t" << mObjectCacheUpdateReplacements
<< "\t" << mObjectUpdateFailures
<< "\t" << (mObjectCacheHitSize * 8 / delta_time)
<< "\t" << (mObjectCacheMissFullSize * 8 / delta_time)
<< "\t" << (mObjectCacheMissCrcSize * 8 / delta_time)
<< "\t" << (mObjectFullUpdatesSize * 8 / delta_time)
<< "\t" << (mObjectTerseUpdatesSize * 8 / delta_time)
<< "\t" << (mObjectCacheMissResponsesSize * 8 / delta_time)
<< "\t" << (mTextureFetchSize * 8 / delta_time)
<< "\n";
data_size = data_msg.str().size();
if ( data_size != fwrite(data_msg.str().c_str(), 1, data_size, mObjectCacheFile ))
{
llwarns << "Unable to write complete column data to " << STATS_FILE_NAME << llendl;
}
clearStats();
}
F32 LLViewerStatsRecorder::getTimeSinceStart()
{
return (F32) (LLTimer::getTotalSeconds() - mStartTime);
}
void LLViewerStatsRecorder::recordTextureFetch( S32 msg_size )
{
mTextureFetchSize += msg_size;
}
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