diff --git a/src/projections/Tools/Overview/OverviewPanel.java b/src/projections/Tools/Overview/OverviewPanel.java
index e5dad20a..a9606c71 100644
--- a/src/projections/Tools/Overview/OverviewPanel.java
+++ b/src/projections/Tools/Overview/OverviewPanel.java
@@ -41,7 +41,7 @@ class OverviewPanel extends ScalePanel.Child
 
 	// idleData & mergedData (for supporting - utilization for now - 
 	// the other two data formats)
-	private int[][] idleDataNormalized; // [processor idx][interval]
+	private byte[][] idleDataNormalized; // [processor idx][interval]
 	private int[][] utilizationDataNormalized; // [processor idx][interval]
 
 	private int[][] colors; //The color per processor per interval
@@ -89,15 +89,16 @@ public String getPointInfo(double time,double procs)
 			int interval = (int)(t/intervalSize);
 
 			long  timedisplay = t+startTime;
-			if (interval >= entryData[p].length) {
-				return "some bug has occurred"; // strange bug.
-			}
+
 			if (mode == OverviewWindow.MODE_UTILIZATION) {
 				return "Processor " + pe + 
 				": Usage = " + utilizationDataNormalized[p][interval]+"%" +
 				" IDLE = " + idleDataNormalized[p][interval]+"%" + 
 				" at "+U.humanReadableString(timedisplay)+" ("+timedisplay+" us). ";
 			} else if(mode == OverviewWindow.MODE_EP) {
+				if (interval >= entryData[p].length) {
+					return "some bug has occurred"; // strange bug.
+				}
 				if (entryData[p][interval] > 0) {
 					return "Processor "+pe+": Usage = "+
 					utilizationDataNormalized[p][interval]+"%"+
@@ -329,6 +330,9 @@ protected void setRanges(SortedSet<Integer> selectedPEs, long startTime, long en
 
 	
 		intervalSize = (int )trialintervalSize;
+		if (MainWindow.runObject[myRun].hasSumDetailData()) {
+			intervalSize = (int) MainWindow.runObject[myRun].getSumDetailIntervalSize();
+		}
 		startInterval = (int)(startTime/intervalSize);
 		endInterval = (int)(endTime/intervalSize);
 
@@ -342,55 +346,67 @@ protected void setRanges(SortedSet<Integer> selectedPEs, long startTime, long en
 	 *  for each interval */
 	
 	protected void loadData(boolean saveImage) {
-		if (!MainWindow.runObject[myRun].hasLogData()) {
-			System.err.println("No log files are available.");
-			JOptionPane.showMessageDialog(null, "No log files are available.");
-			return;
-		}
-
 		this.saveImage = saveImage;
-		mode = OverviewWindow.MODE_EP;
-	
-		// Create a list of worker threads
-		LinkedList<Runnable> readyReaders = new LinkedList<Runnable>();
-
-		selectedPEs.size();
+		if (MainWindow.runObject[myRun].hasLogData()) {
+			int numIntervals = endInterval - startInterval;
+			mode = OverviewWindow.MODE_EP;
+
+			// Create a list of worker threads
+			LinkedList<Runnable> readyReaders = new LinkedList<Runnable>();
+
+			entryData = new int[selectedPEs.size()][numIntervals];
+			int pIdx = 0;
+			float[][] idleData = new float[selectedPEs.size()][numIntervals];
+			float[][] utilizationData = new float[selectedPEs.size()][numIntervals];
+			for (Integer pe : selectedPEs) {
+				readyReaders.add(new ThreadedFileReader(pe, intervalSize, myRun,
+						startInterval, endInterval, entryData[pIdx], utilizationData[pIdx], idleData[pIdx]));
+				pIdx++;
+			}
 
-		int numIntervals = endInterval - startInterval;
-		
-		entryData = new int[selectedPEs.size()][numIntervals];
-		float[][] idleData = new float[selectedPEs.size()][numIntervals];
-		float[][] utilizationData = new float[selectedPEs.size()][numIntervals];
-		
-		int pIdx=0;		
-		
-		for(Integer pe : selectedPEs){
-			readyReaders.add( new ThreadedFileReader(pe, intervalSize, myRun, 
-					startInterval, endInterval, entryData[pIdx], utilizationData[pIdx], idleData[pIdx]) );
-			pIdx++;
-		}
-		
-		// Pass this list of threads to a class that manages/runs the threads nicely
-		TimedProgressThreadExecutor threadManager = new TimedProgressThreadExecutor("Loading Overview in Parallel", readyReaders, this, true);
-		threadManager.runAll();
-		
-		// For historical reasons, we use a utilization range of 0 to 100
-		utilizationDataNormalized = new int[utilizationData.length][utilizationData[0].length];
-		idleDataNormalized = new int[idleData.length][idleData[0].length];
-
-		for (int i=0; i<utilizationData.length; i++) {
-			for (int j=0; j<utilizationData[i].length; j++) {
-				utilizationDataNormalized[i][j] = (int) (100.0f * utilizationData[i][j]);
-				idleDataNormalized[i][j] = (int) (100.0f * idleData[i][j]);
+			// Pass this list of threads to a class that manages/runs the threads nicely
+			TimedProgressThreadExecutor threadManager = new TimedProgressThreadExecutor("Loading Overview in Parallel", readyReaders, this, true);
+			threadManager.runAll();
+
+			// For historical reasons, we use a utilization range of 0 to 100
+			utilizationDataNormalized = new int[utilizationData.length][utilizationData[0].length];
+			idleDataNormalized = new byte[idleData.length][idleData[0].length];
+			for (int i = 0; i < utilizationData.length; i++) {
+				for (int j = 0; j < utilizationData[i].length; j++) {
+					utilizationDataNormalized[i][j] = (int) (100.0f * utilizationData[i][j]);
+					idleDataNormalized[i][j] = (byte) (100.0f * idleData[i][j]);
+				}
+			}
+			// We default to coloring by entry method for log files
+			colorByEntry();
+		} else if (MainWindow.runObject[myRun].hasSumDetailData()) {
+			int intervalSize = (int) MainWindow.runObject[myRun].getSumDetailIntervalSize();
+			startInterval = (int) startTime / intervalSize;
+			endInterval = (int) Math.ceil(((double) endTime) / intervalSize) - 1;
+			int numIntervals = endInterval - startInterval + 1;
+
+			utilizationDataNormalized = new int[selectedPEs.size()][numIntervals];
+			idleDataNormalized = new byte[selectedPEs.size()][numIntervals];
+
+			MainWindow.runObject[myRun].LoadGraphData(intervalSize, startInterval, endInterval, false, selectedPEs);
+
+			utilizationDataNormalized = MainWindow.runObject[myRun].getSumDetailData_PE_interval();
+			idleDataNormalized = MainWindow.runObject[myRun].sumAnalyzer.getIdlePercentage();
+			double scale = 100.0 / intervalSize;
+
+			// idleDataNormalized is already in terms of percentage, so don't convert it
+			for (int i = 0; i < utilizationDataNormalized.length; i++) {
+				for (int j = 0; j < utilizationDataNormalized[i].length - 1; j++) {
+					utilizationDataNormalized[i][j] = (int) (scale * utilizationDataNormalized[i][j]);
+				}
 			}
+			// Color by utilization for sumdetail
+			colorByUtil();
+		} else {
+			System.err.println("Does not work for sum files");
+			JOptionPane.showMessageDialog(null, "Does not work for sum files");
+			return;
 		}
-		
-		// dispose of unneeded utilizationData
-		utilizationData = null;
-	
-		// We default to coloring by entry method
-		colorByEntry();
-		
 	}
 
 	protected void colorByEntry() {
diff --git a/src/projections/Tools/Overview/OverviewWindow.java b/src/projections/Tools/Overview/OverviewWindow.java
index 25eccc8c..403c1e13 100644
--- a/src/projections/Tools/Overview/OverviewWindow.java
+++ b/src/projections/Tools/Overview/OverviewWindow.java
@@ -119,25 +119,29 @@ private void createLayout()
 		scalePanel.setStatusDisplay(this);
 		
 		
-		colorByEntryMethod = new JRadioButton("Entry Method");
-		colorByUtil = new JRadioButton("Utilization");
-		colorByEntryMethod.setSelected(true);
-	    //Group the radio buttons.
-	    ButtonGroup group = new ButtonGroup();
-	    group.add(colorByEntryMethod);
-	    group.add(colorByUtil);
-	    colorByEntryMethod.addActionListener(this);
-	    colorByUtil.addActionListener(this);
-	    JPanel radioPanel = new JPanel();
-	    radioPanel.setLayout(new GridBagLayout());   
 		mChooseColors = new JButton("Choose Entry Method Colors");
 		mChooseColors.addActionListener(this);
-	    
-	    Util.gblAdd(radioPanel, new JLabel("Color By:"), gbc, 0,0, 1,1, 1,1);
-		Util.gblAdd(radioPanel, colorByEntryMethod, gbc, 1,0, 1,1, 1,1);
-		Util.gblAdd(radioPanel, colorByUtil, gbc, 2,0, 1,1, 1,1);
+		ButtonGroup group = new ButtonGroup();
+		JPanel radioPanel = new JPanel();
+		radioPanel.setLayout(new GridBagLayout());
+		Util.gblAdd(radioPanel, new JLabel("Color By:"), gbc, 0,0, 1,1, 1,1);
+
+		if(MainWindow.runObject[myRun].hasLogFiles()){
+			colorByEntryMethod = new JRadioButton("Entry Method");
+			colorByEntryMethod.setSelected(true);
+			group.add(colorByEntryMethod);
+			colorByEntryMethod.addActionListener(this);
+			Util.gblAdd(radioPanel, colorByEntryMethod, gbc, 1,0, 1,1, 1,1);
+		}
 
+		colorByUtil = new JRadioButton("Utilization");
+		group.add(colorByUtil);
+		colorByUtil.addActionListener(this);
+		if(MainWindow.runObject[myRun].hasSumDetailFiles()){
+			colorByUtil.setSelected(true);
+		}
 		
+		Util.gblAdd(radioPanel, colorByUtil, gbc, 2,0, 1,1, 1,1);
 		gbc.fill = GridBagConstraints.HORIZONTAL;
 		Util.gblAdd(windowPane, radioPanel, gbc, 0,3, 1,1, 0,0, 1,1,1,1);
 		Util.gblAdd(windowPane, mChooseColors, gbc, 1,3, 1,1, 0,0, 1,1,1,1);
diff --git a/src/projections/Tools/TimeProfile/TimeProfileWindow.java b/src/projections/Tools/TimeProfile/TimeProfileWindow.java
index 7b070862..c959d527 100644
--- a/src/projections/Tools/TimeProfile/TimeProfileWindow.java
+++ b/src/projections/Tools/TimeProfile/TimeProfileWindow.java
@@ -360,7 +360,7 @@ else if( MainWindow.runObject[myRun].hasSumDetailFiles()) //Bilge
                         MainWindow.runObject[myRun].LoadGraphData(intervalSize, startInterval, endInterval, false,
                                 processorList);
 
-                        int[][] sumDetailData = MainWindow.runObject[myRun].getSumDetailData();
+                        int[][] sumDetailData = MainWindow.runObject[myRun].getSumDetailData_interval_EP();
 
                         for(int i=0;i<numIntervals;i++){
 						    //for(int j=0;j<numEPs+special;j++){
diff --git a/src/projections/analysis/Analysis.java b/src/projections/analysis/Analysis.java
index b2a116a4..f71a4b81 100644
--- a/src/projections/analysis/Analysis.java
+++ b/src/projections/analysis/Analysis.java
@@ -6,7 +6,6 @@
 import java.awt.Paint;
 import java.io.File;
 import java.io.IOException;
-import java.util.Arrays;
 import java.util.Iterator;
 import java.util.SortedSet;
 import java.util.TreeSet;
@@ -359,9 +358,16 @@ public double getSumDetailNumIntervals(){
         return intervalData.getNumIntervals();
     }
 
-    public int[][] getSumDetailData() {
-        return intervalData.sumDetailData();
+	public int[][] getSumDetailData_interval_EP() {
+        return intervalData.getSumDetailData_interval_EP();
     }
+	public int[][] getSumDetailData_PE_EP() {
+        return intervalData.getSumDetailData_PE_EP();
+    }
+	public int[][] getSumDetailData_PE_interval() {
+        return intervalData.getSumDetailData_PE_interval();
+    }
+
     public Color getEntryColor(int entryIdx) {
     	if (entryIdx == IDLE_ENTRY_POINT) {
     		Paint p = getIdleColor();
@@ -444,7 +450,7 @@ else if (hasSumDetailFiles()) {
 					intervalStart,
 					intervalEnd, false, peSet);
 
-			int sumDetailData[][] = intervalData.sumDetailData();
+			int sumDetailData[][] = intervalData.getSumDetailData_interval_EP();
 			data = new long[numUserEntries];
 			for (int interval = 0; interval < numIntervals; interval++) {
 				for (int entry = 0; entry < numUserEntries; entry++) {
diff --git a/src/projections/analysis/IntervalData.java b/src/projections/analysis/IntervalData.java
index 2294739a..99df4aa9 100644
--- a/src/projections/analysis/IntervalData.java
+++ b/src/projections/analysis/IntervalData.java
@@ -57,7 +57,9 @@ public class IntervalData
     private int numIntervals = 0;
     private double intervalSize = 0;
 
-    private int sumDetailData[][] = null;
+    private int sumDetailData_interval_EP[][] = null;
+    private int sumDetailData_PE_EP[][] = null;
+    private int sumDetailData_PE_interval[][] = null;
 
     /**
      *  The constructor
@@ -110,14 +112,18 @@ public void loadSumDetailIntervalData(long intervalSize, int intervalStart,
                                           SortedSet<Integer> processorList){
         int numIntervals = intervalEnd - intervalStart + 1;
 
-        sumDetailData = new int[numIntervals][numEPs];
+        sumDetailData_interval_EP = new int[numIntervals][numEPs];
+        sumDetailData_PE_EP = new int[numPEs][numEPs];
+        sumDetailData_PE_interval = new int[numPEs][numIntervals];
         double[][] tempData;
         for(Integer curPe : processorList) {
             int ii = intervalStart;
             tempData = getData(curPe, TYPE_TIME);
             for(int i=0; i<numIntervals; i++){
                 for(int e=0; e<numEPs; e++){
-                    sumDetailData[i][e] += tempData[e][ii];
+                    sumDetailData_interval_EP[i][e] += (int)tempData[e][ii];
+                    sumDetailData_PE_EP[curPe][e] += (int)tempData[e][ii];
+                    sumDetailData_PE_interval[curPe][i] += (int)tempData[e][ii];
                 }
                 ii++;
             }
@@ -179,7 +185,17 @@ public void loadIntervalData(long intervalSize, int intervalStart,
 	}
     }
 
-    public int[][] sumDetailData() {return  sumDetailData; };
+	public int[][] getSumDetailData_interval_EP() {
+		return sumDetailData_interval_EP;
+	}
+
+	public int[][] getSumDetailData_PE_EP() {
+		return sumDetailData_PE_EP;
+	}
+
+	public int[][] getSumDetailData_PE_interval() {
+		return sumDetailData_PE_interval;
+	}
 
     public int[][][] getSystemUsageData() {
 	return systemUsageData;
diff --git a/src/projections/analysis/SumAnalyzer.java b/src/projections/analysis/SumAnalyzer.java
index cafb63e1..7d254d3a 100644
--- a/src/projections/analysis/SumAnalyzer.java
+++ b/src/projections/analysis/SumAnalyzer.java
@@ -635,4 +635,7 @@ public int[] getTotalIdlePercentage(){
         }
         return totalIdlePercentage;
     }
+	public byte[][] getIdlePercentage(){
+		return IdlePercentage;
+	}
 }