--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/crashanalysercmd/PerfToolsSharedLibraries/Engine/SymbianStructuresLib/Debug/Trace/TraceTimeStamp.cs	Thu Feb 11 15:50:58 2010 +0200
@@ -0,0 +1,125 @@
+/*
+* Copyright (c) 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:
+*
+*/
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using SymbianUtils;
+using SymbianUtils.Threading;
+
+namespace SymbianStructuresLib.Debug.Trace
+{
+    public class TraceTimeStamp : IFormattable
+    {
+        #region Constructors
+        public TraceTimeStamp( ulong aNanoSeconds )
+        {
+            iValue = aNanoSeconds;
+        }
+        #endregion
+
+        #region API
+        #endregion
+
+        #region Properties
+        public ulong NanoSeconds
+        {
+            get { return iValue; }
+        }
+        #endregion
+
+        #region From System.Object
+        public override string ToString()
+        {
+            string ret = ToString( "full", null );
+            return ret;
+        }
+        #endregion
+
+        #region From IFormattable
+        public string ToString( string aFormat, IFormatProvider aFormatProvider )
+        {
+            StringBuilder ret = new StringBuilder();
+            //
+            if ( aFormat == "nanoseconds" )
+            {
+                ret.AppendFormat( "[{0:d}]", iValue );
+            }
+            else
+            {
+                try
+                {
+                    ulong milliseconds = iValue / KNanosecondsToMilliseconds;
+                    ulong ticks = milliseconds * (ulong) TimeSpan.TicksPerMillisecond;
+                    
+                    // Now we have a time span, but it includes the rather ugly number of days
+                    // and also an inaccurate number of microseconds.
+                    TimeSpan ts = new TimeSpan( (long) ticks );
+                    
+                    // First with discard all the milli seconds
+                    ts = ts.Subtract( new TimeSpan( 0, 0, 0, 0, ts.Milliseconds ) );
+
+                    // Next, we calculate the microseconds fraction
+                    ulong oneNsInSeconds = KNanosecondsToMilliseconds * 1000;
+                    ulong totalNsInSeconds = (ulong) ( ts.TotalSeconds * oneNsInSeconds );
+                    ulong nsLeftOver = iValue % totalNsInSeconds;
+                    float usFraction = (float) nsLeftOver / (float) oneNsInSeconds;
+
+                    // Now discard the number of days - we're not interested in this at all.
+                    ts = ts.Subtract( new TimeSpan( ts.Days, 0, 0, 0, 0 ) );
+
+                    // Finally, we can assemble the time stamp. First we'll add in the
+                    // hh:mm:ss part, and there will be no ms, so the decimal aspect is
+                    // entirely missing at this stage.
+                    ret.Append( ts.ToString() );
+
+                    // Next, we'll add back in the fractional part, ignoring the leading 0 prefix
+                    // (i.e. the non fraction part of the string representation of a fractional number, 
+                    // e.g. in 0.05, we throw away the leading 0, to leave .05).
+                    string fraction = usFraction.ToString( "0.00000000" ).Substring( 1 );
+                    ret.Append( fraction );
+                }
+                catch
+                {
+                    // Fall back
+                    ret.Append( this.ToString() );
+                }
+            }
+            //
+            return ret.ToString();
+        }
+        #endregion
+
+        #region Internal constants
+        private const ulong KNanosecondsToMilliseconds = 1000000;
+
+	    private const int TEN = 10;
+	    private const int THOUSAND = 1000;
+	    private const int HOURS_IN_DAY = 24;
+	    private const int MINUTES_IN_HOUR = 60;
+	    private const int SECONDS_IN_MINUTE = 60;
+	    private const int MILLISECS_IN_SECOND = THOUSAND;
+	    private const ulong MILLISECS_IN_MINUTE = MILLISECS_IN_SECOND * SECONDS_IN_MINUTE;
+	    private const ulong MILLISECS_IN_HOUR = MILLISECS_IN_MINUTE * MINUTES_IN_HOUR;
+	    private const ulong MILLISECS_IN_DAY = MILLISECS_IN_HOUR * HOURS_IN_DAY;
+        #endregion
+
+        #region Data members
+        private ulong iValue;
+        #endregion
+    }
+}