Debugging help for issue #8734824: WATCHDOG KILLING SYSTEM PROCESS

The monkey now gets told about system hangs, and does stuff about
it!  Most especially, it can collect a bug report.  Monkey wins!

Change-Id: Ic8350721e715ef21d1ec813c6aff9a83262d5faa

apps/Development/src/com/android/development/BadBehaviorActivity.java

@@ -107,6 +107,10 @@ public class BadBehaviorActivity extends Activity {
         public int appNotResponding(String proc, int pid, String st) {
             return 0;
         }
+
+        public int systemNotResponding(String message) {
+            return 0;
+        }
     }
 
     @Override

cmds/monkey/src/com/android/commands/monkey/Monkey.java

@@ -132,6 +132,18 @@ public class Monkey {
      */
     private boolean mRequestAnrBugreport = false;
 
+    /**
+     * This is set by the ActivityController thread to request a
+     * bugreport after a system watchdog report
+     */
+    private boolean mRequestWatchdogBugreport = false;
+
+    /**
+     * Synchronization for the ActivityController callback to block
+     * until we are done handling the reporting of the watchdog error.
+     */
+    private boolean mWatchdogWaiting = false;
+
     /**
      * This is set by the ActivityController thread to request a
      * bugreport after java application crash
@@ -355,6 +367,31 @@ public class Monkey {
             }
             return (mKillProcessAfterError) ? -1 : 1;
         }
+
+        public int systemNotResponding(String message) {
+            StrictMode.ThreadPolicy savedPolicy = StrictMode.allowThreadDiskWrites();
+            System.err.println("// WATCHDOG: " + message);
+            StrictMode.setThreadPolicy(savedPolicy);
+
+            synchronized (Monkey.this) {
+                if (!mIgnoreCrashes) {
+                    mAbort = true;
+                }
+                if (mRequestBugreport) {
+                    mRequestWatchdogBugreport = true;
+                }
+                mWatchdogWaiting = true;
+            }
+            synchronized (Monkey.this) {
+                while (mWatchdogWaiting) {
+                    try {
+                        Monkey.this.wait();
+                    } catch (InterruptedException e) {
+                    }
+                }
+            }
+            return (mKillProcessAfterError) ? -1 : 1;
+        }
     }
 
     /**
@@ -635,6 +672,11 @@ public class Monkey {
                 getBugreport("anr_" + mReportProcessName + "_");
                 mRequestAnrBugreport = false;
             }
+            if (mRequestWatchdogBugreport) {
+                System.out.println("Print the watchdog report");
+                getBugreport("anr_watchdog_");
+                mRequestWatchdogBugreport = false;
+            }
             if (mRequestAppCrashBugreport){
                 getBugreport("app_crash" + mReportProcessName + "_");
                 mRequestAppCrashBugreport = false;
@@ -647,6 +689,10 @@ public class Monkey {
                 getBugreport("Bugreport_");
                 mRequestPeriodicBugreport = false;
             }
+            if (mWatchdogWaiting) {
+                mWatchdogWaiting = false;
+                notifyAll();
+            }
         }
 
         if (mGenerateHprof) {
@@ -1027,6 +1073,11 @@ public class Monkey {
                     getBugreport("anr_" + mReportProcessName + "_");
                     mRequestAnrBugreport = false;
                 }
+                if (mRequestWatchdogBugreport) {
+                    System.out.println("Print the watchdog report");
+                    getBugreport("anr_watchdog_");
+                    mRequestWatchdogBugreport = false;
+                }
                 if (mRequestAppCrashBugreport){
                     getBugreport("app_crash" + mReportProcessName + "_");
                     mRequestAppCrashBugreport = false;
@@ -1053,6 +1104,10 @@ public class Monkey {
                 if (mAbort) {
                     shouldAbort = true;
                 }
+                if (mWatchdogWaiting) {
+                    mWatchdogWaiting = false;
+                    notifyAll();
+                }
             }
 
             // Report ANR, dumpsys after releasing lock on this.