Merge "Improve debugging for issue #7586414: AlarmManager wakelocks held" into jb-mr1.1-dev

Author: Dianne Hackborn

core/java/android/app/ActivityManagerNative.java

@@ -1701,6 +1701,21 @@ public boolean onTransact(int code, Parcel data, Parcel reply, int flags)
             return true;
         }
 
+        case GET_INTENT_FOR_INTENT_SENDER_TRANSACTION: {
+            data.enforceInterface(IActivityManager.descriptor);
+            IIntentSender r = IIntentSender.Stub.asInterface(
+                data.readStrongBinder());
+            Intent intent = getIntentForIntentSender(r);
+            reply.writeNoException();
+            if (intent != null) {
+                reply.writeInt(1);
+                intent.writeToParcel(reply, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
+            } else {
+                reply.writeInt(0);
+            }
+            return true;
+        }
+
         case UPDATE_PERSISTENT_CONFIGURATION_TRANSACTION: {
             data.enforceInterface(IActivityManager.descriptor);
             Configuration config = Configuration.CREATOR.createFromParcel(data);
@@ -3977,6 +3992,20 @@ public boolean isIntentSenderAnActivity(IIntentSender sender) throws RemoteExcep
         return res;
     }
 
+    public Intent getIntentForIntentSender(IIntentSender sender) throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        data.writeInterfaceToken(IActivityManager.descriptor);
+        data.writeStrongBinder(sender.asBinder());
+        mRemote.transact(GET_INTENT_FOR_INTENT_SENDER_TRANSACTION, data, reply, 0);
+        reply.readException();
+        Intent res = reply.readInt() != 0
+                ? Intent.CREATOR.createFromParcel(reply) : null;
+        data.recycle();
+        reply.recycle();
+        return res;
+    }
+
     public void updatePersistentConfiguration(Configuration values) throws RemoteException
     {
         Parcel data = Parcel.obtain();

core/java/android/app/IActivityManager.java

@@ -341,6 +341,8 @@ public void setPackageAskScreenCompat(String packageName, boolean ask)
 
     public boolean isIntentSenderAnActivity(IIntentSender sender) throws RemoteException;
 
+    public Intent getIntentForIntentSender(IIntentSender sender) throws RemoteException;
+
     public void updatePersistentConfiguration(Configuration values) throws RemoteException;
 
     public long[] getProcessPss(int[] pids) throws RemoteException;
@@ -621,4 +623,5 @@ private WaitResult(Parcel source) {
     int REQUEST_BUG_REPORT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+157;
     int INPUT_DISPATCHING_TIMED_OUT_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+158;
     int CLEAR_PENDING_BACKUP_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+159;
+    int GET_INTENT_FOR_INTENT_SENDER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+160;
 }

core/java/android/app/PendingIntent.java

@@ -789,6 +789,20 @@ public boolean isActivity() {
         }
     }
 
+    /**
+     * @hide
+     * Return the Intent of this PendingIntent.
+     */
+    public Intent getIntent() {
+        try {
+            return ActivityManagerNative.getDefault()
+                .getIntentForIntentSender(mTarget);
+        } catch (RemoteException e) {
+            // Should never happen.
+            return null;
+        }
+    }
+
     /**
      * Comparison operator on two PendingIntent objects, such that true
      * is returned then they both represent the same operation from the

core/java/android/os/BatteryStats.java

@@ -18,6 +18,8 @@
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
 import java.util.Formatter;
 import java.util.List;
 import java.util.Map;
@@ -1127,8 +1129,10 @@ private static final String printWakeLock(StringBuilder sb, Timer timer,
             if (totalTimeMillis != 0) {
                 sb.append(linePrefix);
                 formatTimeMs(sb, totalTimeMillis);
-                if (name != null) sb.append(name);
-                sb.append(' ');
+                if (name != null) {
+                    sb.append(name);
+                    sb.append(' ');
+                }
                 sb.append('(');
                 sb.append(count);
                 sb.append(" times)");
@@ -1440,8 +1444,21 @@ public final void dumpCheckinLocked(PrintWriter pw, int which, int reqUid) {
         }
     }
 
+    static final class TimerEntry {
+        final String mName;
+        final int mId;
+        final BatteryStats.Timer mTimer;
+        final long mTime;
+        TimerEntry(String name, int id, BatteryStats.Timer timer, long time) {
+            mName = name;
+            mId = id;
+            mTimer = timer;
+            mTime = time;
+        }
+    }
+
     @SuppressWarnings("unused")
-    public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUid) {
+    public final void dumpLocked(PrintWriter pw, String prefix, final int which, int reqUid) {
         final long rawUptime = SystemClock.uptimeMillis() * 1000;
         final long rawRealtime = SystemClock.elapsedRealtime() * 1000;
         final long batteryUptime = getBatteryUptime(rawUptime);
@@ -1516,19 +1533,43 @@ public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUi
         long txTotal = 0;
         long fullWakeLockTimeTotalMicros = 0;
         long partialWakeLockTimeTotalMicros = 0;
-        
+
+        final Comparator<TimerEntry> timerComparator = new Comparator<TimerEntry>() {
+            @Override
+            public int compare(TimerEntry lhs, TimerEntry rhs) {
+                long lhsTime = lhs.mTime;
+                long rhsTime = rhs.mTime;
+                if (lhsTime < rhsTime) {
+                    return 1;
+                }
+                if (lhsTime > rhsTime) {
+                    return -1;
+                }
+                return 0;
+            }
+        };
+
         if (reqUid < 0) {
             Map<String, ? extends BatteryStats.Timer> kernelWakelocks = getKernelWakelockStats();
             if (kernelWakelocks.size() > 0) {
+                final ArrayList<TimerEntry> timers = new ArrayList<TimerEntry>();
                 for (Map.Entry<String, ? extends BatteryStats.Timer> ent : kernelWakelocks.entrySet()) {
-                    
+                    BatteryStats.Timer timer = ent.getValue();
+                    long totalTimeMillis = computeWakeLock(timer, batteryRealtime, which);
+                    if (totalTimeMillis > 0) {
+                        timers.add(new TimerEntry(ent.getKey(), 0, timer, totalTimeMillis));
+                    }
+                }
+                Collections.sort(timers, timerComparator);
+                for (int i=0; i<timers.size(); i++) {
+                    TimerEntry timer = timers.get(i);
                     String linePrefix = ": ";
                     sb.setLength(0);
                     sb.append(prefix);
                     sb.append("  Kernel Wake lock ");
-                    sb.append(ent.getKey());
-                    linePrefix = printWakeLock(sb, ent.getValue(), batteryRealtime, null, which, 
-                            linePrefix);
+                    sb.append(timer.mName);
+                    linePrefix = printWakeLock(sb, timer.mTimer, batteryRealtime, null,
+                            which, linePrefix);
                     if (!linePrefix.equals(": ")) {
                         sb.append(" realtime");
                         // Only print out wake locks that were held
@@ -1537,7 +1578,9 @@ public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUi
                 }
             }
         }
-    
+
+        final ArrayList<TimerEntry> timers = new ArrayList<TimerEntry>();
+
         for (int iu = 0; iu < NU; iu++) {
             Uid u = uidStats.valueAt(iu);
             rxTotal += u.getTcpBytesReceived(which);
@@ -1557,8 +1600,18 @@ public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUi
 
                     Timer partialWakeTimer = wl.getWakeTime(WAKE_TYPE_PARTIAL);
                     if (partialWakeTimer != null) {
-                        partialWakeLockTimeTotalMicros += partialWakeTimer.getTotalTimeLocked(
+                        long totalTimeMicros = partialWakeTimer.getTotalTimeLocked(
                                 batteryRealtime, which);
+                        if (totalTimeMicros > 0) {
+                            if (reqUid < 0) {
+                                // Only show the ordered list of all wake
+                                // locks if the caller is not asking for data
+                                // about a specific uid.
+                                timers.add(new TimerEntry(ent.getKey(), u.getUid(),
+                                        partialWakeTimer, totalTimeMicros));
+                            }
+                            partialWakeLockTimeTotalMicros += totalTimeMicros;
+                        }
                     }
                 }
             }
@@ -1571,7 +1624,7 @@ public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUi
         sb.append(prefix);
                 sb.append("  Total full wakelock time: "); formatTimeMs(sb,
                         (fullWakeLockTimeTotalMicros + 500) / 1000);
-                sb.append(", Total partial waklock time: "); formatTimeMs(sb,
+                sb.append(", Total partial wakelock time: "); formatTimeMs(sb,
                         (partialWakeLockTimeTotalMicros + 500) / 1000);
         pw.println(sb.toString());
 
@@ -1676,9 +1729,26 @@ public final void dumpLocked(PrintWriter pw, String prefix, int which, int reqUi
                     pw.println(getDischargeAmountScreenOnSinceCharge());
             pw.print(prefix); pw.print("    Amount discharged while screen off: ");
                     pw.println(getDischargeAmountScreenOffSinceCharge());
-            pw.println(" ");
+            pw.println();
+        }
+
+        if (timers.size() > 0) {
+            Collections.sort(timers, timerComparator);
+            pw.print(prefix); pw.println("  All partial wake locks:");
+            for (int i=0; i<timers.size(); i++) {
+                TimerEntry timer = timers.get(i);
+                sb.setLength(0);
+                sb.append("  Wake lock #");
+                sb.append(timer.mId);
+                sb.append(" ");
+                sb.append(timer.mName);
+                printWakeLock(sb, timer.mTimer, batteryRealtime, null, which, ": ");
+                sb.append(" realtime");
+                pw.println(sb.toString());
+            }
+            timers.clear();
+            pw.println();
         }
-        
 
         for (int iu=0; iu<NU; iu++) {
             final int uid = uidStats.keyAt(iu);

core/java/com/android/internal/util/LocalLog.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2012 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.internal.util;
+
+import java.io.PrintWriter;
+import java.util.ArrayList;
+
+import android.util.Slog;
+
+/**
+ * Helper class for logging serious issues, which also keeps a small
+ * snapshot of the logged events that can be printed later, such as part
+ * of a system service's dumpsys output.
+ * @hide
+ */
+public class LocalLog {
+    private final String mTag;
+    private final int mMaxLines = 20;
+    private final ArrayList<String> mLines = new ArrayList<String>(mMaxLines);
+
+    public LocalLog(String tag) {
+        mTag = tag;
+    }
+
+    public void w(String msg) {
+        synchronized (mLines) {
+            Slog.w(mTag, msg);
+            if (mLines.size() >= mMaxLines) {
+                mLines.remove(0);
+            }
+            mLines.add(msg);
+        }
+    }
+
+    public boolean dump(PrintWriter pw, String header, String prefix) {
+        synchronized (mLines) {
+            if (mLines.size() <= 0) {
+                return false;
+            }
+            if (header != null) {
+                pw.println(header);
+            }
+            for (int i=0; i<mLines.size(); i++) {
+                if (prefix != null) {
+                    pw.print(prefix);
+                }
+                pw.println(mLines.get(i));
+            }
+            return true;
+        }
+    }
+}