示例#1
0
        // Returns a list of paths. Each path is a sequence of objects, starting
        // on an object of type 'type' and ending on a root.
        public PathTree GetRoots(IProgressListener listener, int type)
        {
            RootInfo rootInfo = new RootInfo();
            PathTree pathTree = new PathTree(this);

            foreach (int obj in GetObjectsByType(type))
            {
                rootInfo.BaseObjects [obj] = obj;
            }

            int nc = 0;

            foreach (int obj in GetObjectsByType(type))
            {
                if (listener.Cancelled)
                {
                    return(null);
                }

                rootInfo.nc = 0;

                FindRoot(rootInfo, pathTree, obj);

                // Register partial paths to the root, to avoid having to
                // recalculate them again

//				if (nc % 100 == 0)
//					Console.WriteLine ("NC: " + nc + " " + rootInfo.Roots.Count);

                pathTree.AddBaseObject(obj);
                foreach (KeyValuePair <int, int[]> e in rootInfo.Roots)
                {
                    pathTree.AddPath(e.Value);
                }
                rootInfo.Visited.Clear();
                rootInfo.Roots.Clear();
                nc++;

                double newp = (double)nc / (double)rootInfo.BaseObjects.Count;
                listener.ReportProgress("Looking for roots", newp);
            }

            pathTree.Flush();
            return(pathTree);
        }
        //
        // Code to read the log files generated at runtime
        //
        private void ReadLogFile(IProgressListener progress)
        {
            BufferHeader bheader;
            long         start_position = reader.Position;
            long         last_pct       = 0;

            if (header == null)
            {
                header = Header.Read(reader);
            }
            if (header == null)
            {
                return;
            }

            while (!reader.IsEof)
            {
                // We check if we must cancel before reading more data (and after processing all the data we've read).
                // This way we don't cancel in the middle of event processing (since we store data at class level
                // we may end up with corruption the next time we read the same buffer otherwise).
                if (progress != null)
                {
                    if (progress.Cancelled)
                    {
                        return;
                    }

                    long pct = (reader.Position - start_position) * 100 / (reader.Length - start_position);
                    if (pct != last_pct)
                    {
                        last_pct = pct;
                        progress.ReportProgress("Loading profiler log", pct / 100.0f);
                    }
                }

                bheader = BufferHeader.Read(reader);
                if (bheader == null)
                {
                    // entire buffer isn't available (yet)
                    return;
                }

                //Console.WriteLine ("BUFFER ThreadId: " + bheader.ThreadId + " Len:" + bheader.Length);
                currentObjBase = bheader.ObjBase;
                currentPtrBase = bheader.PtrBase;

                while (!reader.IsBufferEmpty)
                {
                    MetadataEvent me;
                    HeapEvent     he;
                    GcEvent       ge;

                    Event e = Event.Read(reader);
                    //Console.WriteLine ("Event: {0}", e);
                    if ((me = e as MetadataEvent) != null)
                    {
                        ReadLogFileChunk_Type(me);
                    }
                    else if ((he = e as HeapEvent) != null)
                    {
                        ReadLogFileChunk_Object(he);
                    }
                    else if ((ge = e as GcEvent) != null)
                    {
                        ReadGcEvent(ge);
                    }
                }
            }
        }
示例#3
0
        //
        // Code to read the log files generated at runtime
        //
        private void ReadLogFile(IProgressListener progress)
        {
            BufferHeader bheader;
            long start_position = reader.Position;
            long last_pct = 0;

            if (header == null)
                header = Header.Read (reader);
            if (header == null)
                return;

            reader.Header = header;

            while (!reader.IsEof) {
                // We check if we must cancel before reading more data (and after processing all the data we've read).
                // This way we don't cancel in the middle of event processing (since we store data at class level
                // we may end up with corruption the next time we read the same buffer otherwise).
                if (progress != null) {
                    if (progress.Cancelled)
                        return;

                    long pct = (reader.Position - start_position) * 100 / (reader.Length - start_position);
                    if (pct != last_pct) {
                        last_pct = pct;
                        progress.ReportProgress ("Loading profiler log", pct / 100.0f);
                    }
                }

                bheader = BufferHeader.Read (reader);
                if (bheader == null) {
                    // entire buffer isn't available (yet)
                    return;
                }

                //Console.WriteLine ("BUFFER ThreadId: " + bheader.ThreadId + " Len:" + bheader.Length);
                currentObjBase = bheader.ObjBase;
                currentPtrBase = bheader.PtrBase;

                while (!reader.IsBufferEmpty) {
                    MetadataEvent me;
                    HeapEvent he;
                    GcEvent ge;

                    Event e = Event.Read (reader);
                    if ((me = e as MetadataEvent) != null)
                        ReadLogFileChunk_Type (me);
                    else if ((he = e as HeapEvent) != null)
                        ReadLogFileChunk_Object (he);
                    else if ((ge = e as GcEvent) != null)
                        ReadGcEvent (ge);
                }
            }
        }