diff --git a/src/com/android/settings/Utils.java b/src/com/android/settings/Utils.java
index 78d4098..5f90442 100644
--- a/src/com/android/settings/Utils.java
+++ b/src/com/android/settings/Utils.java
@@ -79,6 +79,15 @@
     public static final float DISABLED_ALPHA = 0.4f;
 
     /**
+     * Color spectrum to use to indicate badness.  0 is completely transparent (no data),
+     * 1 is most bad (red), the last value is least bad (green).
+     */
+    public static final int[] BADNESS_COLORS = new int[] {
+            0x00000000, 0xffc43828, 0xffe54918, 0xfff47b00,
+            0xfffabf2c, 0xff679e37, 0xff0a7f42
+    };
+
+    /**
      * Name of the meta-data item that should be set in the AndroidManifest.xml
      * to specify the icon that should be displayed for the preference.
      */
diff --git a/src/com/android/settings/applications/LinearColorPreference.java b/src/com/android/settings/applications/LinearColorPreference.java
index 8d9fb72..b5f707e 100644
--- a/src/com/android/settings/applications/LinearColorPreference.java
+++ b/src/com/android/settings/applications/LinearColorPreference.java
@@ -25,6 +25,9 @@
     float mRedRatio;
     float mYellowRatio;
     float mGreenRatio;
+    int mRedColor = 0xffaa5030;
+    int mYellowColor = 0xffaaaa30;
+    int mGreenColor = 0xff30aa50;
     int mColoredRegions = LinearColorBar.REGION_ALL;
     LinearColorBar.OnRegionTappedListener mOnRegionTappedListener;
 
@@ -40,6 +43,13 @@
         notifyChanged();
     }
 
+    public void setColors(int red, int yellow, int green) {
+        mRedColor = red;
+        mYellowColor = yellow;
+        mGreenColor = green;
+        notifyChanged();
+    }
+
     public void setOnRegionTappedListener(LinearColorBar.OnRegionTappedListener listener) {
         mOnRegionTappedListener = listener;
         notifyChanged();
@@ -57,7 +67,7 @@
         LinearColorBar colors = (LinearColorBar)view.findViewById(
                 R.id.linear_color_bar);
         colors.setShowIndicator(false);
-        colors.setColors(0xffaa5030, 0xffaaaa30, 0xff30aa50);
+        colors.setColors(mRedColor, mYellowColor, mGreenColor);
         colors.setRatios(mRedRatio, mYellowRatio, mGreenRatio);
         colors.setColoredRegions(mColoredRegions);
         colors.setOnRegionTappedListener(mOnRegionTappedListener);
diff --git a/src/com/android/settings/applications/ProcessStatsMemDetail.java b/src/com/android/settings/applications/ProcessStatsMemDetail.java
new file mode 100644
index 0000000..65e94f7
--- /dev/null
+++ b/src/com/android/settings/applications/ProcessStatsMemDetail.java
@@ -0,0 +1,152 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.applications;
+
+import android.app.Fragment;
+import android.os.Bundle;
+import android.text.format.Formatter;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+import com.android.internal.app.ProcessStats;
+import com.android.settings.R;
+
+import static com.android.settings.Utils.prepareCustomPreferencesList;
+
+public class ProcessStatsMemDetail extends Fragment {
+    public static final String EXTRA_MEM_TIMES = "mem_times";
+    public static final String EXTRA_MEM_STATE_WEIGHTS = "mem_state_weights";
+    public static final String EXTRA_MEM_CACHED_WEIGHT = "mem_cached_weight";
+    public static final String EXTRA_MEM_FREE_WEIGHT = "mem_free_weight";
+    public static final String EXTRA_MEM_ZRAM_WEIGHT = "mem_zram_weight";
+    public static final String EXTRA_MEM_KERNEL_WEIGHT = "mem_kernel_weight";
+    public static final String EXTRA_MEM_NATIVE_WEIGHT = "mem_native_weight";
+    public static final String EXTRA_MEM_TOTAL_WEIGHT = "mem_total_weight";
+    public static final String EXTRA_USE_USS = "use_uss";
+    public static final String EXTRA_TOTAL_TIME = "total_time";
+
+    long[] mMemTimes;
+    double[] mMemStateWeights;
+    double mMemCachedWeight;
+    double mMemFreeWeight;
+    double mMemZRamWeight;
+    double mMemKernelWeight;
+    double mMemNativeWeight;
+    double mMemTotalWeight;
+    boolean mUseUss;
+    long mTotalTime;
+
+    private View mRootView;
+    private ViewGroup mMemStateParent;
+    private ViewGroup mMemUseParent;
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        final Bundle args = getArguments();
+        mMemTimes = args.getLongArray(EXTRA_MEM_TIMES);
+        mMemStateWeights = args.getDoubleArray(EXTRA_MEM_STATE_WEIGHTS);
+        mMemCachedWeight = args.getDouble(EXTRA_MEM_CACHED_WEIGHT);
+        mMemFreeWeight = args.getDouble(EXTRA_MEM_FREE_WEIGHT);
+        mMemZRamWeight = args.getDouble(EXTRA_MEM_ZRAM_WEIGHT);
+        mMemKernelWeight = args.getDouble(EXTRA_MEM_KERNEL_WEIGHT);
+        mMemNativeWeight = args.getDouble(EXTRA_MEM_NATIVE_WEIGHT);
+        mMemTotalWeight = args.getDouble(EXTRA_MEM_TOTAL_WEIGHT);
+        mUseUss = args.getBoolean(EXTRA_USE_USS);
+        mTotalTime = args.getLong(EXTRA_TOTAL_TIME);
+    }
+
+    @Override
+    public View onCreateView(
+            LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
+        final View view = inflater.inflate(R.layout.process_stats_mem_details, container, false);
+        prepareCustomPreferencesList(container, view, view, false);
+
+        mRootView = view;
+        createDetails();
+        return view;
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+    }
+
+    private void createDetails() {
+        mMemStateParent = (ViewGroup)mRootView.findViewById(R.id.mem_state);
+        mMemUseParent = (ViewGroup)mRootView.findViewById(R.id.mem_use);
+
+        fillMemStateSection();
+        fillMemUseSection();
+    }
+
+    private void addDetailsItem(ViewGroup parent, CharSequence title,
+            float level, CharSequence value) {
+        LayoutInflater inflater = getActivity().getLayoutInflater();
+        ViewGroup item = (ViewGroup) inflater.inflate(R.layout.app_percentage_item,
+                null);
+        parent.addView(item);
+        item.findViewById(android.R.id.icon).setVisibility(View.GONE);
+        TextView titleView = (TextView) item.findViewById(android.R.id.title);
+        TextView valueView = (TextView) item.findViewById(android.R.id.text1);
+        titleView.setText(title);
+        valueView.setText(value);
+        ProgressBar progress = (ProgressBar) item.findViewById(android.R.id.progress);
+        progress.setProgress(Math.round(level*100));
+    }
+
+    private void fillMemStateSection() {
+        CharSequence[] labels = getResources().getTextArray(R.array.proc_stats_memory_states);
+        for (int i=0; i<ProcessStats.ADJ_MEM_FACTOR_COUNT; i++) {
+            if (mMemTimes[i] > 0) {
+                float level = ((float)mMemTimes[i])/mTotalTime;
+                addDetailsItem(mMemStateParent, labels[i], level,
+                        Formatter.formatShortElapsedTime(getActivity(), mMemTimes[i]));
+            }
+        }
+    }
+
+    private void addMemUseDetailsItem(ViewGroup parent, CharSequence title, double weight) {
+        if (weight > 0) {
+            float level = (float)(weight/mMemTotalWeight);
+            String value = Formatter.formatShortFileSize(getActivity(),
+                    (long)((weight * 1024) / mTotalTime));
+            addDetailsItem(parent, title, level, value);
+        }
+    }
+
+    private void fillMemUseSection() {
+        CharSequence[] labels = getResources().getTextArray(R.array.proc_stats_process_states);
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_kernel_type), mMemKernelWeight);
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_native_type), mMemNativeWeight);
+        for (int i=0; i<ProcessStats.STATE_COUNT; i++) {
+            addMemUseDetailsItem(mMemUseParent, labels[i], mMemStateWeights[i]);
+        }
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_kernel_cache_type), mMemCachedWeight);
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_zram_type), mMemZRamWeight);
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_free_type), mMemFreeWeight);
+        addMemUseDetailsItem(mMemUseParent,
+                getResources().getText(R.string.mem_use_total), mMemTotalWeight);
+    }
+}
diff --git a/src/com/android/settings/applications/ProcessStatsUi.java b/src/com/android/settings/applications/ProcessStatsUi.java
index 4e88675..f887b2d 100644
--- a/src/com/android/settings/applications/ProcessStatsUi.java
+++ b/src/com/android/settings/applications/ProcessStatsUi.java
@@ -112,6 +112,15 @@
     long mMaxWeight;
     long mTotalTime;
 
+    long[] mMemTimes = new long[ProcessStats.ADJ_MEM_FACTOR_COUNT];
+    double[] mMemStateWeights = new double[ProcessStats.STATE_COUNT];
+    double mMemCachedWeight;
+    double mMemFreeWeight;
+    double mMemZRamWeight;
+    double mMemKernelWeight;
+    double mMemNativeWeight;
+    double mMemTotalWeight;
+
     // The actual duration value to use for each duration option.  Note these
     // are lower than the actual duration, since our durations are computed in
     // batches of 3 hours so we want to allow the time we use to be slightly
@@ -182,6 +191,24 @@
 
     @Override
     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
+        if (preference instanceof LinearColorPreference) {
+            Bundle args = new Bundle();
+            args.putLongArray(ProcessStatsMemDetail.EXTRA_MEM_TIMES, mMemTimes);
+            args.putDoubleArray(ProcessStatsMemDetail.EXTRA_MEM_STATE_WEIGHTS, mMemStateWeights);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_CACHED_WEIGHT, mMemCachedWeight);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_FREE_WEIGHT, mMemFreeWeight);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_ZRAM_WEIGHT, mMemZRamWeight);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_KERNEL_WEIGHT, mMemKernelWeight);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_NATIVE_WEIGHT, mMemNativeWeight);
+            args.putDouble(ProcessStatsMemDetail.EXTRA_MEM_TOTAL_WEIGHT, mMemTotalWeight);
+            args.putBoolean(ProcessStatsMemDetail.EXTRA_USE_USS, mUseUss);
+            args.putLong(ProcessStatsMemDetail.EXTRA_TOTAL_TIME, mTotalTime);
+            ((SettingsActivity) getActivity()).startPreferencePanel(
+                    ProcessStatsMemDetail.class.getName(), args, R.string.mem_details_title,
+                    null, null, 0);
+            return true;
+        }
+
         if (!(preference instanceof ProcessStatsPreference)) {
             return false;
         }
@@ -408,11 +435,13 @@
                 mStats.mMemFactor, mStats.mStartTime, now);
         if (DEBUG) Log.d(TAG, "Total time of stats: " + makeDuration(mTotalTime));
 
-        long[] memTimes = new long[ProcessStats.ADJ_MEM_FACTOR_COUNT];
+        for (int i=0; i<mMemTimes.length; i++) {
+            mMemTimes[i] = 0;
+        }
         for (int iscreen=0; iscreen<ProcessStats.ADJ_COUNT; iscreen+=ProcessStats.ADJ_SCREEN_MOD) {
             for (int imem=0; imem<ProcessStats.ADJ_MEM_FACTOR_COUNT; imem++) {
                 int state = imem+iscreen;
-                memTimes[imem] += mStats.mMemFactorDurations[state];
+                mMemTimes[imem] += mStats.mMemFactorDurations[state];
             }
         }
 
@@ -421,31 +450,89 @@
 
         LinearColorPreference colors = new LinearColorPreference(getActivity());
         colors.setOrder(-1);
-        colors.setOnRegionTappedListener(this);
         switch (mMemRegion) {
             case LinearColorBar.REGION_RED:
-                colors.setColoredRegions(LinearColorBar.REGION_RED);
-                memTotalTime = memTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL];
+                memTotalTime = mMemTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL];
                 memStates = RED_MEM_STATES;
                 break;
             case LinearColorBar.REGION_YELLOW:
-                colors.setColoredRegions(LinearColorBar.REGION_RED
-                        | LinearColorBar.REGION_YELLOW);
-                memTotalTime = memTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL]
-                        + memTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]
-                        + memTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE];
+                memTotalTime = mMemTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL]
+                        + mMemTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]
+                        + mMemTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE];
                 memStates = YELLOW_MEM_STATES;
                 break;
             default:
-                colors.setColoredRegions(LinearColorBar.REGION_ALL);
                 memTotalTime = mTotalTime;
                 memStates = ProcessStats.ALL_MEM_ADJ;
                 break;
         }
-        colors.setRatios(memTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL] / (float)mTotalTime,
-                (memTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]
-                        + memTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE]) / (float)mTotalTime,
-                memTimes[ProcessStats.ADJ_MEM_FACTOR_NORMAL] / (float)mTotalTime);
+        colors.setColoredRegions(LinearColorBar.REGION_RED);
+
+        // Compute memory badness for chart color.
+        int[] badColors = com.android.settings.Utils.BADNESS_COLORS;
+        long timeGood = mMemTimes[ProcessStats.ADJ_MEM_FACTOR_NORMAL];
+        timeGood += (mMemTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE]*2)/3;
+        timeGood += mMemTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]/3;
+        float memBadness = ((float)timeGood)/mTotalTime;
+        int badnessColor = badColors[1 + Math.round(memBadness*(badColors.length-2))];
+        colors.setColors(badnessColor, badnessColor, badnessColor);
+
+        ProcessStats.TotalMemoryUseCollection totalMem = new ProcessStats.TotalMemoryUseCollection(
+                ProcessStats.ALL_SCREEN_ADJ, memStates);
+        mStats.computeTotalMemoryUse(totalMem, now);
+        double freeWeight = totalMem.sysMemFreeWeight + totalMem.sysMemCachedWeight;
+        double usedWeight = totalMem.sysMemKernelWeight + totalMem.sysMemKernelWeight
+                + totalMem.sysMemZRamWeight;
+        mMemCachedWeight = totalMem.sysMemCachedWeight;
+        mMemFreeWeight = totalMem.sysMemFreeWeight;
+        mMemZRamWeight = totalMem.sysMemZRamWeight;
+        mMemKernelWeight = totalMem.sysMemKernelWeight;
+        mMemNativeWeight = totalMem.sysMemNativeWeight;
+        for (int i=0; i<ProcessStats.STATE_COUNT; i++) {
+            if (i == ProcessStats.STATE_SERVICE_RESTARTING) {
+                // These don't really run.
+                mMemStateWeights[i] = 0;
+            } else {
+                mMemStateWeights[i] = totalMem.processStateWeight[i];
+                if (i >= ProcessStats.STATE_HOME) {
+                    freeWeight += totalMem.processStateWeight[i];
+                } else {
+                    usedWeight += totalMem.processStateWeight[i];
+                }
+            }
+        }
+        mMemTotalWeight = freeWeight + usedWeight;
+        float usedRatio = (float)(usedWeight/(freeWeight+usedWeight));
+        colors.setRatios(usedRatio, 0, 1-usedRatio);
+
+        if (false) {
+            colors.setOnRegionTappedListener(this);
+            switch (mMemRegion) {
+                case LinearColorBar.REGION_RED:
+                    colors.setColoredRegions(LinearColorBar.REGION_RED);
+                    memTotalTime = mMemTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL];
+                    memStates = RED_MEM_STATES;
+                    break;
+                case LinearColorBar.REGION_YELLOW:
+                    colors.setColoredRegions(LinearColorBar.REGION_RED
+                            | LinearColorBar.REGION_YELLOW);
+                    memTotalTime = mMemTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL]
+                            + mMemTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]
+                            + mMemTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE];
+                    memStates = YELLOW_MEM_STATES;
+                    break;
+                default:
+                    colors.setColoredRegions(LinearColorBar.REGION_ALL);
+                    memTotalTime = mTotalTime;
+                    memStates = ProcessStats.ALL_MEM_ADJ;
+                    break;
+            }
+            colors.setRatios(mMemTimes[ProcessStats.ADJ_MEM_FACTOR_CRITICAL] / (float)mTotalTime,
+                    (mMemTimes[ProcessStats.ADJ_MEM_FACTOR_LOW]
+                            + mMemTimes[ProcessStats.ADJ_MEM_FACTOR_MODERATE]) / (float)mTotalTime,
+                    mMemTimes[ProcessStats.ADJ_MEM_FACTOR_NORMAL] / (float)mTotalTime);
+        }
+
         mAppListGroup.addPreference(colors);
 
         ProcessStats.ProcessDataCollection totals = new ProcessStats.ProcessDataCollection(
diff --git a/src/com/android/settings/fuelgauge/BatteryHistoryChart.java b/src/com/android/settings/fuelgauge/BatteryHistoryChart.java
index 85047ce..b030884 100644
--- a/src/com/android/settings/fuelgauge/BatteryHistoryChart.java
+++ b/src/com/android/settings/fuelgauge/BatteryHistoryChart.java
@@ -362,10 +362,7 @@
         mGpsOnPaint.setStyle(Paint.Style.STROKE);
         mWifiRunningPaint.setStyle(Paint.Style.STROKE);
         mCpuRunningPaint.setStyle(Paint.Style.STROKE);
-        mPhoneSignalChart.setColors(new int[] {
-                0x00000000, 0xffc43828, 0xffe54918, 0xfff47b00,
-                0xfffabf2c, 0xff679e37, 0xff0a7f42
-        });
+        mPhoneSignalChart.setColors(com.android.settings.Utils.BADNESS_COLORS);
         mDebugRectPaint.setARGB(255, 255, 0, 0);
         mDebugRectPaint.setStyle(Paint.Style.STROKE);
         mScreenOnPaint.setColor(0xFF009688);