Reduce texture fetch and main thread contention from LLViewerStatsRecorder via simpleton.

indra/newview/llappviewer.cpp

@@ -1284,6 +1284,7 @@ bool LLAppViewer::init()
     //LLSimpleton creations
     LLEnvironment::createInstance();
     LLWorld::createInstance();
+    LLViewerStatsRecorder::createInstance();
     LLSelectMgr::createInstance();
     LLViewerCamera::createInstance();
     LL::GLTFSceneManager::createInstance();
@@ -2166,6 +2167,7 @@ bool LLAppViewer::cleanup()
     LL::GLTFSceneManager::deleteSingleton();
     LLEnvironment::deleteSingleton();
     LLSelectMgr::deleteSingleton();
+    LLViewerStatsRecorder::deleteSingleton();
     LLViewerEventRecorder::deleteSingleton();
     LLWorld::deleteSingleton();
     LLVoiceClient::deleteSingleton();

indra/newview/llstartup.cpp

@@ -1285,7 +1285,6 @@ bool idle_startup()
         //
         // Initialize classes w/graphics stuff.
         //
-        LLViewerStatsRecorder::instance(); // Since textures work in threads
         LLSurface::initClasses();
         display_startup();
 

indra/newview/llviewerstatsrecorder.cpp

@@ -27,16 +27,13 @@
 #include "llviewerprecompiledheaders.h"
 #include "llviewerstatsrecorder.h"
 
-
 #include "llcontrol.h"
 #include "llfile.h"
+#include "llviewercontrol.h"
 #include "llviewerregion.h"
 #include "llviewerobject.h"
 #include "llworld.h"
 
-extern LLControlGroup  gSavedSettings;
-
-LLViewerStatsRecorder* LLViewerStatsRecorder::sInstance = NULL;
 LLViewerStatsRecorder::LLViewerStatsRecorder() :
     mStatsFile(NULL),
     mTimer(),
@@ -48,11 +45,6 @@ LLViewerStatsRecorder::LLViewerStatsRecorder() :
     mMaxDuration(300.f),
     mSkipSaveIfZeros(false)
 {
-    if (NULL != sInstance)
-    {
-        LL_ERRS() << "Attempted to create multiple instances of LLViewerStatsRecorder!" << LL_ENDL;
-    }
-    sInstance = this;
     clearStats();
 }
 

indra/newview/llviewerstatsrecorder.h

@@ -38,13 +38,12 @@
 class LLMutex;
 class LLViewerObject;
 
-class LLViewerStatsRecorder : public LLSingleton<LLViewerStatsRecorder>
+class LLViewerStatsRecorder : public LLSimpleton<LLViewerStatsRecorder>
 {
-    LLSINGLETON(LLViewerStatsRecorder);
+public:
+    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.
@@ -140,8 +139,6 @@ private:
     void closeStatsFile();
     void makeStatsFileName();
 
-    static LLViewerStatsRecorder* sInstance;
-
     LLFILE *    mStatsFile;         // File to write data into
     std::string mStatsFileName;