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-rw-r--r--services/autofill/java/com/android/server/autofill/FieldClassificationEventLogger.java94
-rw-r--r--services/autofill/java/com/android/server/autofill/RemoteFieldClassificationService.java16
2 files changed, 107 insertions, 3 deletions
diff --git a/services/autofill/java/com/android/server/autofill/FieldClassificationEventLogger.java b/services/autofill/java/com/android/server/autofill/FieldClassificationEventLogger.java
new file mode 100644
index 000000000000..ffb4632164a3
--- /dev/null
+++ b/services/autofill/java/com/android/server/autofill/FieldClassificationEventLogger.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.autofill;
+
+import static com.android.internal.util.FrameworkStatsLog.AUTOFILL_FIELD_CLASSIFICATION_EVENT_REPORTED;
+import static com.android.server.autofill.Helper.sVerbose;
+
+import android.util.Slog;
+
+import com.android.internal.util.FrameworkStatsLog;
+
+import java.util.Optional;
+
+/**
+ * Helper class to log Field Classification stats.
+ */
+public final class FieldClassificationEventLogger {
+ private static final String TAG = "FieldClassificationEventLogger";
+ private Optional<FieldClassificationEventInternal> mEventInternal;
+
+ private FieldClassificationEventLogger() {
+ mEventInternal = Optional.empty();
+ }
+
+ /**
+ * A factory constructor to create FieldClassificationEventLogger.
+ */
+ public static FieldClassificationEventLogger createLogger() {
+ return new FieldClassificationEventLogger();
+ }
+
+ /**
+ * Reset mEventInternal before logging for a new request. It shall be called for each
+ * FieldClassification request.
+ */
+ public void startNewLogForRequest() {
+ if (!mEventInternal.isEmpty()) {
+ Slog.w(TAG, "FieldClassificationEventLogger is not empty before starting for a new "
+ + "request");
+ }
+ mEventInternal = Optional.of(new FieldClassificationEventInternal());
+ }
+
+ /**
+ * Set latency as long as mEventInternal presents.
+ */
+ public void maybeSetLatencyMillis(long timestamp) {
+ mEventInternal.ifPresent(event -> {
+ event.mLatencyClassificationRequestMillis = timestamp;
+ });
+ }
+
+ /**
+ * Log an AUTOFILL_FIELD_CLASSIFICATION_EVENT_REPORTED event.
+ */
+ public void logAndEndEvent() {
+ if (!mEventInternal.isPresent()) {
+ Slog.w(TAG, "Shouldn't be logging AutofillFieldClassificationEventInternal again for "
+ + "same event");
+ return;
+ }
+ FieldClassificationEventInternal event = mEventInternal.get();
+ if (sVerbose) {
+ Slog.v(TAG, "Log AutofillFieldClassificationEventReported:"
+ + " mLatencyClassificationRequestMillis="
+ + event.mLatencyClassificationRequestMillis);
+ }
+ FrameworkStatsLog.write(
+ AUTOFILL_FIELD_CLASSIFICATION_EVENT_REPORTED,
+ event.mLatencyClassificationRequestMillis);
+ mEventInternal = Optional.empty();
+ }
+
+ private static final class FieldClassificationEventInternal {
+ long mLatencyClassificationRequestMillis = -1;
+
+ FieldClassificationEventInternal() {
+ }
+ }
+}
diff --git a/services/autofill/java/com/android/server/autofill/RemoteFieldClassificationService.java b/services/autofill/java/com/android/server/autofill/RemoteFieldClassificationService.java
index 99a2291016e9..feae56e89784 100644
--- a/services/autofill/java/com/android/server/autofill/RemoteFieldClassificationService.java
+++ b/services/autofill/java/com/android/server/autofill/RemoteFieldClassificationService.java
@@ -30,6 +30,7 @@ import android.content.pm.PackageManager;
import android.content.pm.ServiceInfo;
import android.os.ICancellationSignal;
import android.os.RemoteException;
+import android.os.SystemClock;
import android.service.assist.classification.FieldClassificationRequest;
import android.service.assist.classification.FieldClassificationResponse;
import android.service.assist.classification.FieldClassificationService;
@@ -132,7 +133,7 @@ final class RemoteFieldClassificationService
public void onFieldClassificationRequest(@NonNull FieldClassificationRequest request,
FieldClassificationServiceCallbacks fieldClassificationServiceCallbacks) {
-
+ final long startTime = SystemClock.elapsedRealtime();
if (sVerbose) {
Slog.v(TAG, "onFieldClassificationRequest request:" + request);
}
@@ -144,6 +145,7 @@ final class RemoteFieldClassificationService
new IFieldClassificationCallback.Stub() {
@Override
public void onCancellable(ICancellationSignal cancellation) {
+ logLatency(startTime);
if (sDebug) {
Log.d(TAG, "onCancellable");
}
@@ -151,15 +153,15 @@ final class RemoteFieldClassificationService
@Override
public void onSuccess(FieldClassificationResponse response) {
+ logLatency(startTime);
if (sDebug) {
Log.d(TAG, "onSuccess Response: " + response);
}
- fieldClassificationServiceCallbacks
- .onClassificationRequestSuccess(response);
}
@Override
public void onFailure() {
+ logLatency(startTime);
if (sDebug) {
Log.d(TAG, "onFailure");
}
@@ -174,4 +176,12 @@ final class RemoteFieldClassificationService
public void cancel() throws RemoteException {}
}));
}
+
+ private void logLatency(long startTime) {
+ final FieldClassificationEventLogger logger = FieldClassificationEventLogger.createLogger();
+ logger.startNewLogForRequest();
+ logger.maybeSetLatencyMillis(
+ SystemClock.elapsedRealtime() - startTime);
+ logger.logAndEndEvent();
+ }
}