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egnoregnor
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More bad behavior: ANR and long-term wedge in system process.
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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4 files changed

+149
-52
lines changed

4 files changed

+149
-52
lines changed

‎apps/Development/AndroidManifest.xml‎

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Original file line numberDiff line numberDiff line change
@@ -28,6 +28,7 @@
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<uses-permission android:name="android.permission.MANAGE_ACCOUNTS" />
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<uses-permission android:name="android.permission.REBOOT" />
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<uses-permission android:name="android.permission.KILL_BACKGROUND_PROCESSES" />
31+
<uses-permission android:name="android.permission.SET_ACTIVITY_WATCHER" />
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<uses-permission android:name="android.permission.SET_ALWAYS_FINISH" />
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<uses-permission android:name="android.permission.SET_ANIMATION_SCALE" />
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<uses-permission android:name="android.permission.SET_DEBUG_APP" />

‎apps/Development/res/layout/bad_behavior.xml‎

Lines changed: 64 additions & 48 deletions
Original file line numberDiff line numberDiff line change
@@ -14,54 +14,70 @@
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limitations under the License.
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-->
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:orientation="vertical"
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<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<Button android:id="@+id/bad_behavior_crash_system"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_system_label" />
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<Button android:id="@+id/bad_behavior_crash_main"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_main_label" />
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<Button android:id="@+id/bad_behavior_crash_thread"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_thread_label" />
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<Button android:id="@+id/bad_behavior_crash_native"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_native_label" />
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<Button android:id="@+id/bad_behavior_wtf"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_wtf_label" />
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<Button android:id="@+id/bad_behavior_anr"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_label" />
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<Button android:id="@+id/bad_behavior_anr_activity"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_activity_label" />
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<Button android:id="@+id/bad_behavior_anr_broadcast"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_broadcast_label" />
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<Button android:id="@+id/bad_behavior_anr_service"
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android:layout_width="wrap_content"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_service_label" />
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67-
</LinearLayout>
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<LinearLayout
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android:orientation="vertical"
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android:layout_width="match_parent"
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android:layout_height="match_parent">
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<Button android:id="@+id/bad_behavior_crash_main"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_main_label" />
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<Button android:id="@+id/bad_behavior_crash_thread"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_thread_label" />
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<Button android:id="@+id/bad_behavior_crash_native"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_native_label" />
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<Button android:id="@+id/bad_behavior_crash_system"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_crash_system_label" />
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<Button android:id="@+id/bad_behavior_wtf"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_wtf_label" />
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<Button android:id="@+id/bad_behavior_anr"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_label" />
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<Button android:id="@+id/bad_behavior_anr_activity"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_activity_label" />
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<Button android:id="@+id/bad_behavior_anr_broadcast"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_broadcast_label" />
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<Button android:id="@+id/bad_behavior_anr_service"
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android:layout_width="match_parent"
68+
android:layout_height="wrap_content"
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android:text="@string/bad_behavior_anr_service_label" />
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<Button android:id="@+id/bad_behavior_anr_system"
72+
android:layout_width="match_parent"
73+
android:layout_height="wrap_content"
74+
android:text="@string/bad_behavior_anr_system_label" />
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<Button android:id="@+id/bad_behavior_wedge_system"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="@string/bad_behavior_wedge_system_label" />
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</LinearLayout>
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</ScrollView>

‎apps/Development/res/values/strings.xml‎

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Original file line numberDiff line numberDiff line change
@@ -196,13 +196,15 @@
196196
<string name="select_account_to_sync">Select account to sync</string>
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198198
<!-- BadBehaviorActivity -->
199-
<string name="bad_behavior_crash_system_label">Crash the system server</string>
200199
<string name="bad_behavior_crash_main_label">Crash the main app thread</string>
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<string name="bad_behavior_crash_thread_label">Crash an auxiliary app thread</string>
202201
<string name="bad_behavior_crash_native_label">Crash the native process</string>
202+
<string name="bad_behavior_crash_system_label">Crash the system server</string>
203203
<string name="bad_behavior_wtf_label">Report a WTF condition</string>
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<string name="bad_behavior_anr_label">ANR (Stop responding for 20 seconds)</string>
205-
<string name="bad_behavior_anr_activity_label">ANR launching a new Activity</string>
205+
<string name="bad_behavior_anr_activity_label">ANR starting an Activity</string>
206206
<string name="bad_behavior_anr_broadcast_label">ANR receiving a broadcast Intent</string>
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<string name="bad_behavior_anr_service_label">ANR starting a Service</string>
208+
<string name="bad_behavior_anr_system_label">System ANR (in ActivityManager)</string>
209+
<string name="bad_behavior_wedge_system_label">Wedge system (5 minute system ANR)</string>
208210
</resources>

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

Lines changed: 80 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -17,6 +17,9 @@
1717
package com.android.development;
1818

1919
import android.app.Activity;
20+
import android.app.ActivityManagerNative;
21+
import android.app.IActivityController;
22+
import android.app.IActivityManager;
2023
import android.app.Service;
2124
import android.content.BroadcastReceiver;
2225
import android.content.Context;
@@ -45,8 +48,9 @@ private static class BadBehaviorException extends RuntimeException {
4548
public static class BadReceiver extends BroadcastReceiver {
4649
@Override
4750
public void onReceive(Context context, Intent intent) {
48-
Log.i(TAG, "in BadReceiver.onReceive() -- about to hang");
51+
Log.i(TAG, "in broadcast receiver -- about to hang");
4952
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
53+
Log.i(TAG, "broadcast receiver hang finished -- returning");
5054
}
5155
};
5256

@@ -58,20 +62,63 @@ public IBinder onBind(Intent intent) {
5862

5963
@Override
6064
public int onStartCommand(Intent intent, int flags, int id) {
61-
Log.i(TAG, "in BadService.onStartCommand() -- about to hang");
65+
Log.i(TAG, "in service start -- about to hang");
6266
try { Thread.sleep(30000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
67+
Log.i(TAG, "service hang finished -- stopping and returning");
6368
stopSelf();
6469
return START_NOT_STICKY;
6570
}
6671
}
6772

73+
public static class BadController extends IActivityController.Stub {
74+
private int mDelay;
75+
76+
public BadController(int delay) { mDelay = delay; }
77+
78+
public boolean activityStarting(Intent intent, String pkg) {
79+
try {
80+
ActivityManagerNative.getDefault().setActivityController(null);
81+
} catch (RemoteException e) {
82+
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
83+
}
84+
85+
if (mDelay > 0) {
86+
Log.i(TAG, "in activity controller -- about to hang");
87+
try { Thread.sleep(mDelay); } catch (InterruptedException e) { Log.wtf(TAG, e); }
88+
Log.i(TAG, "activity controller hang finished -- disabling and returning");
89+
mDelay = 0;
90+
}
91+
92+
return true;
93+
}
94+
95+
public boolean activityResuming(String pkg) {
96+
return true;
97+
}
98+
99+
public boolean appCrashed(String proc, int pid, String m, String m2, long time, String st) {
100+
return true;
101+
}
102+
103+
public int appNotResponding(String proc, int pid, String st) {
104+
return 0;
105+
}
106+
}
107+
68108
@Override
69109
public void onCreate(Bundle icicle) {
70110
super.onCreate(icicle);
71111

72112
if (getIntent().getBooleanExtra("anr", false)) {
73113
Log.i(TAG, "in ANR activity -- about to hang");
74114
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
115+
Log.i(TAG, "activity hang finished -- finishing");
116+
finish();
117+
return;
118+
}
119+
120+
if (getIntent().getBooleanExtra("dummy", false)) {
121+
Log.i(TAG, "in dummy activity -- finishing");
75122
finish();
76123
return;
77124
}
@@ -127,6 +174,7 @@ public void onClick(View v) {
127174
public void onClick(View v) {
128175
Log.i(TAG, "ANR pressed -- about to hang");
129176
try { Thread.sleep(20000); } catch (InterruptedException e) { Log.wtf(TAG, e); }
177+
Log.i(TAG, "hang finished -- returning");
130178
}
131179
});
132180

@@ -154,5 +202,35 @@ public void onClick(View v) {
154202
startService(new Intent(BadBehaviorActivity.this, BadService.class));
155203
}
156204
});
205+
206+
Button anr_system = (Button) findViewById(R.id.bad_behavior_anr_system);
207+
anr_system.setOnClickListener(new View.OnClickListener() {
208+
public void onClick(View v) {
209+
Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
210+
Log.i(TAG, "ANR system pressed -- about to engage");
211+
try {
212+
ActivityManagerNative.getDefault().setActivityController(
213+
new BadController(20000));
214+
} catch (RemoteException e) {
215+
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
216+
}
217+
startActivity(intent.putExtra("dummy", true));
218+
}
219+
});
220+
221+
Button wedge_system = (Button) findViewById(R.id.bad_behavior_wedge_system);
222+
wedge_system.setOnClickListener(new View.OnClickListener() {
223+
public void onClick(View v) {
224+
Intent intent = new Intent(BadBehaviorActivity.this, BadBehaviorActivity.class);
225+
Log.i(TAG, "Wedge system pressed -- about to engage");
226+
try {
227+
ActivityManagerNative.getDefault().setActivityController(
228+
new BadController(300000));
229+
} catch (RemoteException e) {
230+
Log.e(TAG, "Can't call IActivityManager.setActivityController", e);
231+
}
232+
startActivity(intent.putExtra("dummy", true));
233+
}
234+
});
157235
}
158236
}

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