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More bad behavior: ANR and long-term wedge in system process.
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Use ActivityController (the special monkey hook) to wedge
ActivityManagerService, useful for triggering system ANRs
and for setting off the watchdog.

Also add more logging so it's clear what happens when.
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@egnor
egnor committed Mar 5, 2010
1 parent 82ace4a commit 9d53382
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Showing 4 changed files with 149 additions and 52 deletions.
1 change: 1 addition & 0 deletions apps/Development/AndroidManifest.xml
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Expand Up @@ -28,6 +28,7 @@
<uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
<uses-permission android:name="android.permission.REBOOT" />
<uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
<uses-permission android:name="android.permission.SET_ACTIVITY_WATCHER" />
<uses-permission android:name="android.permission.SET_ALWAYS_FINISH" />
<uses-permission android:name="android.permission.SET_ANIMATION_SCALE" />
<uses-permission android:name="android.permission.SET_DEBUG_APP" />
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112 changes: 64 additions & 48 deletions apps/Development/res/layout/bad_behavior.xml
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Expand Up @@ -14,54 +14,70 @@
limitations under the License.
-->

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent">

<Button android:id="@+id/bad_behavior_crash_system"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_system_label" />

<Button android:id="@+id/bad_behavior_crash_main"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_main_label" />

<Button android:id="@+id/bad_behavior_crash_thread"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_thread_label" />

<Button android:id="@+id/bad_behavior_crash_native"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_native_label" />

<Button android:id="@+id/bad_behavior_wtf"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_wtf_label" />

<Button android:id="@+id/bad_behavior_anr"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_label" />

<Button android:id="@+id/bad_behavior_anr_activity"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_activity_label" />

<Button android:id="@+id/bad_behavior_anr_broadcast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_broadcast_label" />

<Button android:id="@+id/bad_behavior_anr_service"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_service_label" />

</LinearLayout>
<LinearLayout
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">

<Button android:id="@+id/bad_behavior_crash_main"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_main_label" />

<Button android:id="@+id/bad_behavior_crash_thread"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_thread_label" />

<Button android:id="@+id/bad_behavior_crash_native"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_native_label" />

<Button android:id="@+id/bad_behavior_crash_system"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_crash_system_label" />

<Button android:id="@+id/bad_behavior_wtf"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_wtf_label" />

<Button android:id="@+id/bad_behavior_anr"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_label" />

<Button android:id="@+id/bad_behavior_anr_activity"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_activity_label" />

<Button android:id="@+id/bad_behavior_anr_broadcast"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_broadcast_label" />

<Button android:id="@+id/bad_behavior_anr_service"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_service_label" />

<Button android:id="@+id/bad_behavior_anr_system"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_anr_system_label" />

<Button android:id="@+id/bad_behavior_wedge_system"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="@string/bad_behavior_wedge_system_label" />

</LinearLayout>

</ScrollView>
6 changes: 4 additions & 2 deletions apps/Development/res/values/strings.xml
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Expand Up @@ -196,13 +196,15 @@
<string name="select_account_to_sync">Select account to sync</string>

<!-- BadBehaviorActivity -->
<string name="bad_behavior_crash_system_label">Crash the system server</string>
<string name="bad_behavior_crash_main_label">Crash the main app thread</string>
<string name="bad_behavior_crash_thread_label">Crash an auxiliary app thread</string>
<string name="bad_behavior_crash_native_label">Crash the native process</string>
<string name="bad_behavior_crash_system_label">Crash the system server</string>
<string name="bad_behavior_wtf_label">Report a WTF condition</string>
<string name="bad_behavior_anr_label">ANR (Stop responding for 20 seconds)</string>
<string name="bad_behavior_anr_activity_label">ANR launching a new Activity</string>
<string name="bad_behavior_anr_activity_label">ANR starting an Activity</string>
<string name="bad_behavior_anr_broadcast_label">ANR receiving a broadcast Intent</string>
<string name="bad_behavior_anr_service_label">ANR starting a Service</string>
<string name="bad_behavior_anr_system_label">System ANR (in ActivityManager)</string>
<string name="bad_behavior_wedge_system_label">Wedge system (5 minute system ANR)</string>
</resources>
82 changes: 80 additions & 2 deletions apps/Development/src/com/android/development/BadBehaviorActivity.java
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Expand Up @@ -17,6 +17,9 @@
package com.android.development;

import android.app.Activity;
import android.app.ActivityManagerNative;
import android.app.IActivityController;
import android.app.IActivityManager;
import android.app.Service;
import android.content.BroadcastReceiver;
import android.content.Context;
Expand Down Expand Up @@ -45,8 +48,9 @@ private static class BadBehaviorException extends RuntimeException {
public static class BadReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
Log.i(TAG, "in BadReceiver.onReceive() -- about to hang");
Log.i(TAG, "in broadcast receiver -- about to hang");
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
Log.i(TAG, "broadcast receiver hang finished -- returning");
}
};

Expand All @@ -58,20 +62,63 @@ public IBinder onBind(Intent intent) {

@Override
public int onStartCommand(Intent intent, int flags, int id) {
Log.i(TAG, "in BadService.onStartCommand() -- about to hang");
Log.i(TAG, "in service start -- about to hang");
try { Thread.sleep(30000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
Log.i(TAG, "service hang finished -- stopping and returning");
stopSelf();
return START_NOT_STICKY;
}
}

public static class BadController extends IActivityController.Stub {
private int mDelay;

public BadController(int delay) { mDelay = delay; }

public boolean activityStarting(Intent intent, String pkg) {
try {
ActivityManagerNative.getDefault().setActivityController(null);
} catch (RemoteException e) {
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
}

if (mDelay > 0) {
Log.i(TAG, "in activity controller -- about to hang");
try { Thread.sleep(mDelay); } catch (InterruptedException e) { Log.wtf(TAG, e); }
Log.i(TAG, "activity controller hang finished -- disabling and returning");
mDelay = 0;
}

return true;
}

public boolean activityResuming(String pkg) {
return true;
}

public boolean appCrashed(String proc, int pid, String m, String m2, long time, String st) {
return true;
}

public int appNotResponding(String proc, int pid, String st) {
return 0;
}
}

@Override
public void onCreate(Bundle icicle) {
super.onCreate(icicle);

if (getIntent().getBooleanExtra("anr", false)) {
Log.i(TAG, "in ANR activity -- about to hang");
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
Log.i(TAG, "activity hang finished -- finishing");
finish();
return;
}

if (getIntent().getBooleanExtra("dummy", false)) {
Log.i(TAG, "in dummy activity -- finishing");
finish();
return;
}
Expand Down Expand Up @@ -127,6 +174,7 @@ public void onClick(View v) {
public void onClick(View v) {
Log.i(TAG, "ANR pressed -- about to hang");
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
Log.i(TAG, "hang finished -- returning");
}
});

Expand Down Expand Up @@ -154,5 +202,35 @@ public void onClick(View v) {
startService(new Intent(BadBehaviorActivity.this, BadService.class));
}
});

Button anr_system = (Button) findViewById(R.id.bad_behavior_anr_system);
anr_system.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
Log.i(TAG, "ANR system pressed -- about to engage");
try {
ActivityManagerNative.getDefault().setActivityController(
new BadController(20000));
} catch (RemoteException e) {
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
}
startActivity(intent.putExtra("dummy", true));
}
});

Button wedge_system = (Button) findViewById(R.id.bad_behavior_wedge_system);
wedge_system.setOnClickListener(new View.OnClickListener() {
public void onClick(View v) {
Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
Log.i(TAG, "Wedge system pressed -- about to engage");
try {
ActivityManagerNative.getDefault().setActivityController(
new BadController(300000));
} catch (RemoteException e) {
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
}
startActivity(intent.putExtra("dummy", true));
}
});
}
}

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