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Commit 378c8860 authored by Ben Murdoch's avatar Ben Murdoch Committed by Automerger Merge Worker
Browse files

Merge "Output a tracing instant when device state changes." into tm-qpr-dev am: c5c9c917 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18661009



Change-Id: Id68483b2cdd4e958a63148299e94a57b243c3077
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 75dec477 c5c9c917

services/core/java/com/android/server/devicestate/DeviceStateManagerService.java

+22 −1
Original line number Diff line number Diff line
@@ -40,6 +40,8 @@ import android.os.IBinder; 
import android.os.RemoteException;

import android.os.ResultReceiver;

import android.os.ShellCallback;

import android.os.SystemProperties;

import android.os.Trace;

import android.util.Slog;

import android.util.SparseArray;
@@ -144,15 +146,30 @@ public final class DeviceStateManagerService extends SystemService { 


    private Set<Integer> mDeviceStatesAvailableForAppRequests;



    @VisibleForTesting

    interface SystemPropertySetter {

        void setDebugTracingDeviceStateProperty(String value);

    }

    @NonNull

    private final SystemPropertySetter mSystemPropertySetter;



    public DeviceStateManagerService(@NonNull Context context) {

        this(context, DeviceStatePolicy.Provider

                .fromResources(context.getResources())

                .instantiate(context));

    }



    private DeviceStateManagerService(@NonNull Context context, @NonNull DeviceStatePolicy policy) {

        this(context, policy, (value) -> {

            SystemProperties.set("debug.tracing.device_state", value);

        });

    }



    @VisibleForTesting

    DeviceStateManagerService(@NonNull Context context, @NonNull DeviceStatePolicy policy) {

    DeviceStateManagerService(@NonNull Context context, @NonNull DeviceStatePolicy policy,

                @NonNull SystemPropertySetter systemPropertySetter) {

        super(context);

        mSystemPropertySetter = systemPropertySetter;

        // We use the DisplayThread because this service indirectly drives

        // display (on/off) and window (position) events through its callbacks.

        DisplayThread displayThread = DisplayThread.get();
@@ -462,6 +479,10 @@ public final class DeviceStateManagerService extends SystemService { 


            FrameworkStatsLog.write(FrameworkStatsLog.DEVICE_STATE_CHANGED,

                    newState.getIdentifier(), !mCommittedState.isPresent());

            String traceString = newState.getIdentifier() + ":" + newState.getName();

            Trace.instantForTrack(

                    Trace.TRACE_TAG_SYSTEM_SERVER, "DeviceStateChanged", traceString);

            mSystemPropertySetter.setDebugTracingDeviceStateProperty(traceString);



            mCommittedState = Optional.of(newState);

            mPendingState = Optional.empty();

services/tests/servicestests/src/com/android/server/devicestate/DeviceStateManagerServiceTest.java

+56 −2
Original line number Diff line number Diff line
@@ -76,12 +76,15 @@ public final class DeviceStateManagerServiceTest { 
    private TestDeviceStatePolicy mPolicy;

    private TestDeviceStateProvider mProvider;

    private DeviceStateManagerService mService;

    private TestSystemPropertySetter mSysPropSetter;



    @Before

    public void setup() {

        mProvider = new TestDeviceStateProvider();

        mPolicy = new TestDeviceStatePolicy(mProvider);

        mService = new DeviceStateManagerService(InstrumentationRegistry.getContext(), mPolicy);

        mSysPropSetter = new TestSystemPropertySetter();

        mService = new DeviceStateManagerService(InstrumentationRegistry.getContext(), mPolicy,

                mSysPropSetter);



        // Necessary to allow us to check for top app process id in tests

        mService.mActivityTaskManagerInternal = mock(ActivityTaskManagerInternal.class);
@@ -107,6 +110,8 @@ public final class DeviceStateManagerServiceTest { 
    public void baseStateChanged() {

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -115,6 +120,8 @@ public final class DeviceStateManagerServiceTest { 
        flushHandler();

        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                OTHER_DEVICE_STATE.getIdentifier());
@@ -128,6 +135,8 @@ public final class DeviceStateManagerServiceTest { 
        flushHandler();

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                OTHER_DEVICE_STATE.getIdentifier());
@@ -136,6 +145,8 @@ public final class DeviceStateManagerServiceTest { 
        flushHandler();

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                OTHER_DEVICE_STATE.getIdentifier());
@@ -157,6 +168,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -170,6 +183,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -182,6 +197,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertThat(mService.getSupportedStates()).asList().containsExactly(DEFAULT_DEVICE_STATE,

                OTHER_DEVICE_STATE);
@@ -193,6 +210,8 @@ public final class DeviceStateManagerServiceTest { 
        // supported.

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertThat(mService.getSupportedStates()).asList().containsExactly(DEFAULT_DEVICE_STATE);
@@ -211,6 +230,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertThat(mService.getSupportedStates()).asList().containsExactly(DEFAULT_DEVICE_STATE,

                OTHER_DEVICE_STATE);
@@ -223,6 +244,8 @@ public final class DeviceStateManagerServiceTest { 
        // supported.

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertThat(mService.getSupportedStates()).asList().containsExactly(DEFAULT_DEVICE_STATE,

                OTHER_DEVICE_STATE);
@@ -315,6 +338,8 @@ public final class DeviceStateManagerServiceTest { 
                TestDeviceStateManagerCallback.STATUS_ACTIVE);

        // Committed state changes as there is a requested override.

        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getOverrideState().get(), OTHER_DEVICE_STATE);

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),
@@ -333,6 +358,8 @@ public final class DeviceStateManagerServiceTest { 
                TestDeviceStateManagerCallback.STATUS_CANCELED);

        // Committed state is set back to the requested state once the override is cleared.

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertFalse(mService.getOverrideState().isPresent());

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),
@@ -385,9 +412,10 @@ public final class DeviceStateManagerServiceTest { 
        // callback.

        assertEquals(callback.getLastNotifiedStatus(secondRequestToken),

                TestDeviceStateManagerCallback.STATUS_UNKNOWN);



        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -397,6 +425,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -412,6 +442,8 @@ public final class DeviceStateManagerServiceTest { 


        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getPendingState(), Optional.empty());

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                DEFAULT_DEVICE_STATE.getIdentifier());
@@ -458,6 +490,8 @@ public final class DeviceStateManagerServiceTest { 
        // Committed state changes as there is a requested override.

        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertEquals(mService.getOverrideState().get(), OTHER_DEVICE_STATE);

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                OTHER_DEVICE_STATE.getIdentifier());
@@ -471,6 +505,8 @@ public final class DeviceStateManagerServiceTest { 
        // Committed state is set back to the requested state once the override is cleared.

        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mService.getBaseState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertFalse(mService.getOverrideState().isPresent());

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),

                OTHER_DEVICE_STATE.getIdentifier());
@@ -495,6 +531,8 @@ public final class DeviceStateManagerServiceTest { 
                TestDeviceStateManagerCallback.STATUS_ACTIVE);

        // Committed state changes as there is a requested override.

        assertEquals(mService.getCommittedState(), Optional.of(OTHER_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                OTHER_DEVICE_STATE.getIdentifier() + ":" + OTHER_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mService.getOverrideState().get(), OTHER_DEVICE_STATE);

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),
@@ -509,6 +547,8 @@ public final class DeviceStateManagerServiceTest { 
        // Committed state is set back to the requested state as the override state is no longer

        // supported.

        assertEquals(mService.getCommittedState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertEquals(mSysPropSetter.getValue(),

                DEFAULT_DEVICE_STATE.getIdentifier() + ":" + DEFAULT_DEVICE_STATE.getName());

        assertEquals(mService.getBaseState(), Optional.of(DEFAULT_DEVICE_STATE));

        assertFalse(mService.getOverrideState().isPresent());

        assertEquals(mPolicy.getMostRecentRequestedStateToConfigure(),
@@ -673,4 +713,18 @@ public final class DeviceStateManagerServiceTest { 
            return mLastNotifiedStatus.getOrDefault(requestToken, STATUS_UNKNOWN);

        }

    }



    private static final class TestSystemPropertySetter implements

            DeviceStateManagerService.SystemPropertySetter {

        private String mValue;



        @Override

        public void setDebugTracingDeviceStateProperty(String value) {

            mValue = value;

        }



        public String getValue() {

            return mValue;

        }

    }

}