Make BackgroundDexOpt aware of thermal state (5d8c1369) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/pm/BackgroundDexOptService.java

+43 −2

Original line number	Diff line number	Diff line
		@@ -31,6 +31,9 @@ import android.content.IntentFilter;
		import android.content.pm.PackageInfo;
		import android.os.BatteryManagerInternal;
		import android.os.Environment;
		import android.os.IThermalService;
		import android.os.PowerManager;
		import android.os.RemoteException;
		import android.os.ServiceManager;
		import android.os.SystemProperties;
		import android.os.UserHandle;
		@@ -82,10 +85,15 @@ public class BackgroundDexOptService extends JobService {
		private static final int OPTIMIZE_ABORT_BY_JOB_SCHEDULER = 2;
		// Optimizations should be aborted. No space left on device.
		private static final int OPTIMIZE_ABORT_NO_SPACE_LEFT = 3;
		// Optimizations should be aborted. Thermal throttling level too high.
		private static final int OPTIMIZE_ABORT_THERMAL = 4;

		// Used for calculating space threshold for downgrading unused apps.
		private static final int LOW_THRESHOLD_MULTIPLIER_FOR_DOWNGRADE = 2;

		// Thermal cutoff value used if one isn't defined by a system property.
		private static final int THERMAL_CUTOFF_DEFAULT = PowerManager.THERMAL_STATUS_MODERATE;

		/**
		* Set of failed packages remembered across job runs.
		*/
		@@ -107,8 +115,14 @@ public class BackgroundDexOptService extends JobService {
		private static final long mDowngradeUnusedAppsThresholdInMillis =
		getDowngradeUnusedAppsThresholdInMillis();

		private final IThermalService mThermalService =
		IThermalService.Stub.asInterface(
		ServiceManager.getService(Context.THERMAL_SERVICE));

		private static List<PackagesUpdatedListener> sPackagesUpdatedListeners = new ArrayList<>();

		private int mThermalStatusCutoff = THERMAL_CUTOFF_DEFAULT;

		public static void schedule(Context context) {
		if (isBackgroundDexoptDisabled()) {
		return;
		@@ -251,12 +265,18 @@ public class BackgroundDexOptService extends JobService {
		Slog.w(TAG, "Idle optimizations aborted because of space constraints.");
		} else if (result == OPTIMIZE_ABORT_BY_JOB_SCHEDULER) {
		Slog.w(TAG, "Idle optimizations aborted by job scheduler.");
		} else if (result == OPTIMIZE_ABORT_THERMAL) {
		Slog.w(TAG, "Idle optimizations aborted by thermal throttling.");
		} else {
		Slog.w(TAG, "Idle optimizations ended with unexpected code: " + result);
		}
		if (result != OPTIMIZE_ABORT_BY_JOB_SCHEDULER) {

		if (result == OPTIMIZE_ABORT_THERMAL) {
		// Abandon our timeslice and reschedule
		jobFinished(jobParams, /* wantsReschedule */ true);
		} else if (result != OPTIMIZE_ABORT_BY_JOB_SCHEDULER) {
		// Abandon our timeslice and do not reschedule.
		jobFinished(jobParams, /* reschedule */ false);
		jobFinished(jobParams, /* wantsReschedule */ false);
		}
		}
		}.start();
		@@ -542,6 +562,24 @@ public class BackgroundDexOptService extends JobService {
		// JobScheduler requested an early abort.
		return OPTIMIZE_ABORT_BY_JOB_SCHEDULER;
		}

		// Abort background dexopt if the device is in a moderate or stronger thermal throttling
		// state.
		try {
		final int thermalStatus = mThermalService.getCurrentThermalStatus();

		if (DEBUG) {
		Log.i(TAG, "Thermal throttling status during bgdexopt: " + thermalStatus);
		}

		if (thermalStatus >= mThermalStatusCutoff) {
		return OPTIMIZE_ABORT_THERMAL;
		}
		} catch (RemoteException ex) {
		// Because this is a intra-process Binder call it is impossible for a RemoteException
		// to be raised.
		}

		long usableSpace = mDataDir.getUsableSpace();
		if (usableSpace < lowStorageThreshold) {
		// Rather bail than completely fill up the disk.
		@@ -603,6 +641,9 @@ public class BackgroundDexOptService extends JobService {
		return false;
		}

		mThermalStatusCutoff =
		SystemProperties.getInt("dalvik.vm.dexopt.thermal-cutoff", THERMAL_CUTOFF_DEFAULT);

		boolean result;
		if (params.getJobId() == JOB_POST_BOOT_UPDATE) {
		result = runPostBootUpdate(params, pm, pkgs);

tests/BackgroundDexOptServiceIntegrationTests/OWNERS

0 → 100644

+1 −0

Original line number	Diff line number	Diff line
		include platform/art:/OWNERS

tests/BackgroundDexOptServiceIntegrationTests/src/com/android/server/pm/BackgroundDexOptServiceIntegrationTests.java

+32 −3

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.app.AlarmManager;
		import android.content.Context;
		import android.os.Environment;
		import android.os.ParcelFileDescriptor;
		import android.os.PowerManager;
		import android.os.SystemProperties;
		import android.os.storage.StorageManager;
		import android.util.Log;
		@@ -201,11 +202,16 @@ public final class BackgroundDexOptServiceIntegrationTests {
		fillUpStorage((long) (getStorageLowBytes() * LOW_STORAGE_MULTIPLIER));
		}

		// TODO(aeubanks): figure out how to get scheduled bg-dexopt to run
		private static void runBackgroundDexOpt() throws IOException {
		runBackgroundDexOpt("Success");
		}

		// TODO(aeubanks): figure out how to get scheduled bg-dexopt to run
		private static void runBackgroundDexOpt(String expectedStatus) throws IOException {
		String result = runShellCommand("cmd package bg-dexopt-job " + PACKAGE_NAME);
		if (!result.trim().equals("Success")) {
		throw new IllegalStateException("Expected command success, received >" + result + "<");
		if (!result.trim().equals(expectedStatus)) {
		throw new IllegalStateException("Expected status: " + expectedStatus
		+ "; Received: " + result.trim());
		}
		}

		@@ -242,6 +248,16 @@ public final class BackgroundDexOptServiceIntegrationTests {
		runShellCommand(String.format("cmd package compile -f -m %s %s", filter, pkg));
		}

		// Override the thermal status of the device
		public static void overrideThermalStatus(int status) throws IOException {
		runShellCommand("cmd thermalservice override-status " + status);
		}

		// Reset the thermal status of the device
		public static void resetThermalStatus() throws IOException {
		runShellCommand("cmd thermalservice reset");
		}

		// Test that background dexopt under normal conditions succeeds.
		@Test
		public void testBackgroundDexOpt() throws IOException {
		@@ -307,4 +323,17 @@ public final class BackgroundDexOptServiceIntegrationTests {
		}
		}

		// Test that background dexopt job doesn't trigger if the device is under thermal throttling.
		@Test
		public void testBackgroundDexOptThermalThrottling() throws IOException {
		try {
		compilePackageWithFilter(PACKAGE_NAME, "verify");
		overrideThermalStatus(PowerManager.THERMAL_STATUS_MODERATE);
		// The bgdexopt task should fail when onStartJob is run
		runBackgroundDexOpt("Failure");
		Assert.assertEquals("verify", getCompilerFilter(PACKAGE_NAME));
		} finally {
		resetThermalStatus();
		}
		}
		}