diff -r 000000000000 -r 08ec8eefde2f persistentstorage/sql/SRC/Server/SqlSrvResourceProfiler.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/persistentstorage/sql/SRC/Server/SqlSrvResourceProfiler.h	Fri Jan 22 11:06:30 2010 +0200
@@ -0,0 +1,170 @@
+// Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#ifndef __SQLSRVRESOURCEPROFILER_H__
+#define __SQLSRVRESOURCEPROFILER_H__
+
+#include <e32cmn.h>
+#include "SqlUtil.h"
+
+#ifdef _SQLPROFILER
+
+///////////////////////////////// Heap max alloc /////////////////////////////////////
+
+extern TBool TheSqlSrvProfilerMaxAllocEnabled;
+extern TInt  TheSqlSrvProfilerMaxAllocSize;
+
+#define SQLPROFILER_REPORT_ALLOC(size) 													\
+	do																					\
+		{																				\
+		if(TheSqlSrvProfilerMaxAllocEnabled && (size) > TheSqlSrvProfilerMaxAllocSize) 	\
+			{																			\
+			TheSqlSrvProfilerMaxAllocSize = (size);										\
+			}																			\
+		}																				\
+	while(0)
+
+///////////////////////////////// IPC counters ///////////////////////////////////////
+
+enum TSqlIpcType
+		{
+		ESqlIpcRq,
+		ESqlIpcRead,
+		ESqlIpcWrite,
+		//	
+		ESqlIpcLast
+		};
+
+extern TBool TheSqlSrvProfilerIpcEnabled;
+extern TInt  TheSqlSrvProfilerIpc[];
+extern TInt64 TheSqlSrvProfilerIpcBytes[];
+
+#define SQLPROFILER_REPORT_IPC(type, bytes) 				\
+		do													\
+			{												\
+			if(TheSqlSrvProfilerIpcEnabled)					\
+				{											\
+				++TheSqlSrvProfilerIpc[type];				\
+				TheSqlSrvProfilerIpcBytes[type] += bytes;	\
+				}											\
+			}												\
+		while(0)
+
+////////////////////////// IPC & SQL tracing related /////////////////////////////////
+
+//Every time, when the SQL server starts, the time is stored in TheSqlSrvStartTime variable.
+//It is used later to calculate and trace the time offset of particular trace. 
+extern TTime TheSqlSrvStartTime;
+
+//Level 1 IPC calls count. IPC calls types included:
+// ESqlSrvDbExec8, ESqlSrvDbExec16, ESqlSrvDbScalarFullSelect16, ESqlSrvStmtExec,
+// ESqlSrvStmtAsyncExec, ESqlSrvStmtBindExec, ESqlSrvStmtAsyncBindExec, ESqlSrvStmtNext,
+// ESqlSrvStmtBindNext;
+const TInt KIpcTraceTypeCount = 10; 
+
+//A TSqlIpcTraceData array of KIpcTraceTypeCount elements is a member of the CSqlSrvSession class.
+//During the tracing, if level 1 or level 2 is enabled, all relevant information is summarized there.
+struct TSqlSrvIpcTraceData
+    {
+    TInt64  iExecutionTime;     //The summary of the execution time spent in particular level 1 IPC call
+    TInt    iCount;             //The IPC call count for particular level 1 call               
+    };
+
+///////////////////  IPC & SQL tracing functions and macros ///////////////////////////////
+
+void   SqlIpcStart(TUint& aIpcCounter, TUint32& aStartTicks, TUint aDbHandle);
+void   SqlIpcEnd(TUint aIpcCounter, TUint32 aStartTicks, TSqlSrvFunction aFuncCode, 
+                 TUint aDbHandle, TSqlSrvIpcTraceData aIpcTraceData[], TInt aRetCode);
+void   SqlIpcError(TUint aIpcCounter, TSqlSrvFunction aFuncCode, TUint aDbHandle, TInt aError);
+void   SqlPrintSql16(TUint aDbHandle, const TDesC& aSql, TBool aPrepare);
+void   SqlPrintSql8(TUint aDbHandle, const TDesC8& aSql, TBool aPrepare);
+
+void   SqlPrintDbCreate(TUint aDbHandle, const TDesC& aDbName);
+void   SqlPrintDbOpen(TUint aDbHandle, const TDesC& aDbName);
+void   SqlPrintDbClose(TUint aDbHandle);
+
+void   SqlPrintServerStart();
+void   SqlPrintServerStop();
+
+#define SQLPROFILER_IPC_START(aIpcCounter, aDbHandle) \
+    TUint32 startTicks = 0;\
+    SqlIpcStart(aIpcCounter, startTicks, aDbHandle)
+
+#define SQLPROFILER_IPC_END(aIpcCounter, aFuncCode, aDbHandle, aIpcTraceData, aRetCode) \
+    SqlIpcEnd(aIpcCounter, startTicks, aFuncCode, aDbHandle, aIpcTraceData, aRetCode)
+
+#define SQLPROFILER_IPC_ERROR(aIpcCounter, aFuncCode, aDbHandle, aError) \
+    SqlIpcError(aIpcCounter, aFuncCode, aDbHandle, aError)
+
+#define SQLPROFILER_SQL16_PRINT(aDbHandle, aSql, aPrepare) \
+    SqlPrintSql16(aDbHandle, aSql, aPrepare)
+
+#define SQLPROFILER_SQL8_PRINT(aDbHandle, aSql, aPrepare) \
+    SqlPrintSql8(aDbHandle, aSql, aPrepare)
+
+#define SQLPROFILER_DB_CREATE(aDbHandle, aDbName) \
+    SqlPrintDbCreate(aDbHandle, aDbName)
+
+#define SQLPROFILER_DB_OPEN(aDbHandle, aDbName) \
+    SqlPrintDbOpen(aDbHandle, aDbName)
+
+#define SQLPROFILER_DB_CLOSE(aDbHandle) \
+    SqlPrintDbClose(aDbHandle)
+
+#define SQLPROFILER_SERVER_START() \
+    SqlPrintServerStart()
+
+#define SQLPROFILER_SERVER_STOP() \
+    SqlPrintServerStop()
+
+///////////////////////////////////////////////////////////////////////////////////////
+
+#else//_SQLPROFILER
+
+#define SQLPROFILER_REPORT_ALLOC(size) do {} while(0)
+#define SQLPROFILER_REPORT_IPC(type, bytes) do {} while(0)
+
+#define SQLPROFILER_IPC_START(aIpcCounter, aDbHandle) do {} while(0)
+#define SQLPROFILER_IPC_END(aIpcCounter, aFuncCode, aDbHandle, aIpcTraceData, aRetCode) do {} while(0)
+#define SQLPROFILER_IPC_ERROR(aIpcCounter, aFuncCode, aDbHandle, aError) do {} while(0)
+#define SQLPROFILER_SQL16_PRINT(aDbHandle, aSql, aPrepare) do {} while(0)
+#define SQLPROFILER_SQL8_PRINT(aDbHandle, aSql, aPrepare) do {} while(0)
+
+#define SQLPROFILER_DB_CREATE(aDbHandle, aDbName) do {} while(0)
+#define SQLPROFILER_DB_OPEN(aDbHandle, aDbName) do {} while(0)
+#define SQLPROFILER_DB_CLOSE(aDbHandle) do {} while(0)
+
+#define SQLPROFILER_SERVER_START() do {} while(0) 
+#define SQLPROFILER_SERVER_STOP() do {} while(0)
+
+#endif//_SQLPROFILER
+
+/**
+This class can be used for collecting information regarding the SQL server resources usage.
+
+@see TSqlResourceProfiler
+@internalComponent
+*/
+NONSHARABLE_CLASS(TSqlSrvResourceProfiler)
+	{
+public:
+	static void StartL(const RMessage2&);
+	static void StopL(const RMessage2&);
+	static void ResetL(const RMessage2&);
+	static void QueryL(const RMessage2&);
+	
+	};
+	
+#endif//__SQLSRVRESOURCEPROFILER_H__