Merge "Log authenticator service call latencies" into main (8fa69605) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/accounts/AccountManagerService.java

+15 −1

Original line number	Diff line number	Diff line
		@@ -113,6 +113,7 @@ import com.android.internal.util.ArrayUtils;
		import com.android.internal.util.DumpUtils;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.internal.util.Preconditions;
		import com.android.modules.expresslog.Histogram;
		import com.android.server.LocalServices;
		import com.android.server.ServiceThread;
		import com.android.server.SystemService;
		@@ -284,6 +285,11 @@ public class AccountManagerService
		private static AtomicReference<AccountManagerService> sThis = new AtomicReference<>();
		private static final Account[] EMPTY_ACCOUNT_ARRAY = new Account[]{};

		private static Histogram sResponseLatency = new Histogram(
		"app.value_high_authenticator_response_latency",
		new Histogram.ScaledRangeOptions(20, 10000, 10000, 1.5f)
		);

		/**
		* This should only be called by system code. One should only call this after the service
		* has started.
		@@ -4937,6 +4943,9 @@ public class AccountManagerService
		protected boolean mCanStartAccountManagerActivity = false;
		protected final UserAccounts mAccounts;

		private int mAuthenticatorUid;
		private long mBindingStartTime;

		public Session(UserAccounts accounts, IAccountManagerResponse response, String accountType,
		boolean expectActivityLaunch, boolean stripAuthTokenFromResult, String accountName,
		boolean authDetailsRequired) {
		@@ -4974,6 +4983,10 @@ public class AccountManagerService
		}

		IAccountManagerResponse getResponseAndClose() {
		if (mAuthenticatorUid != 0 && mBindingStartTime > 0) {
		sResponseLatency.logSampleWithUid(mAuthenticatorUid,
		SystemClock.uptimeMillis() - mBindingStartTime);
		}
		if (mResponse == null) {
		close();
		return null;
		@@ -5353,7 +5366,8 @@ public class AccountManagerService
		mContext.unbindService(this);
		return false;
		}

		mAuthenticatorUid = authenticatorInfo.uid;
		mBindingStartTime = SystemClock.uptimeMillis();
		return true;
		}
		}