[SettingsProvider] add generation registry stats to dumpsys (de94d346) · Commits · e / os / android_frameworks_base

core/proto/android/providers/settings.proto

+4 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ option java_multiple_files = true;
		option java_outer_classname = "SettingsServiceProto";

		import "frameworks/base/core/proto/android/providers/settings/config.proto";
		import "frameworks/base/core/proto/android/providers/settings/generation.proto";
		import "frameworks/base/core/proto/android/providers/settings/global.proto";
		import "frameworks/base/core/proto/android/providers/settings/secure.proto";
		import "frameworks/base/core/proto/android/providers/settings/system.proto";
		@@ -37,6 +38,9 @@ message SettingsServiceDumpProto {

		// Config settings
		optional ConfigSettingsProto config_settings = 3;

		// Generation registry stats
		optional GenerationRegistryProto generation_registry = 4;
		}

		message UserSettingsProto {

core/proto/android/providers/settings/generation.proto

0 → 100644

+41 −0

Original line number	Diff line number	Diff line
		/*
		* 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.
		*/

		syntax = "proto2";
		package android.providers.settings;

		option java_multiple_files = true;

		import "frameworks/base/core/proto/android/privacy.proto";

		message GenerationRegistryProto {
		option (android.msg_privacy).dest = DEST_EXPLICIT;
		optional int32 num_backing_stores = 1;
		optional int32 num_max_backing_stores = 2;
		repeated BackingStoreProto backing_stores = 3;
		}

		message BackingStoreProto {
		optional int32 key = 1;
		optional int32 backing_store_size = 2;
		optional int32 num_cached_entries = 3;
		repeated CacheEntryProto cache_entries = 4;
		}

		message CacheEntryProto {
		optional string name = 1;
		optional int32 generation = 2;
		}
		No newline at end of file

packages/SettingsProvider/src/com/android/providers/settings/GenerationRegistry.java

+95 −0

Original line number	Diff line number	Diff line
		@@ -20,14 +20,19 @@ import android.annotation.NonNull;
		import android.os.Bundle;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.providers.settings.BackingStoreProto;
		import android.providers.settings.CacheEntryProto;
		import android.providers.settings.GenerationRegistryProto;
		import android.util.ArrayMap;
		import android.util.MemoryIntArray;
		import android.util.Slog;
		import android.util.proto.ProtoOutputStream;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.annotations.VisibleForTesting;

		import java.io.IOException;
		import java.io.PrintWriter;

		/**
		* This class tracks changes for config/global/secure/system tables
		@@ -292,4 +297,94 @@ final class GenerationRegistry {
		int getMaxNumBackingStores() {
		return mMaxNumBackingStore;
		}

		public void dumpProto(ProtoOutputStream proto) {
		synchronized (mLock) {
		final int numBackingStores = mKeyToBackingStoreMap.size();
		proto.write(GenerationRegistryProto.NUM_BACKING_STORES, numBackingStores);
		proto.write(GenerationRegistryProto.NUM_MAX_BACKING_STORES, getMaxNumBackingStores());

		for (int i = 0; i < numBackingStores; i++) {
		final long token = proto.start(GenerationRegistryProto.BACKING_STORES);
		final int key = mKeyToBackingStoreMap.keyAt(i);
		proto.write(BackingStoreProto.KEY, key);
		try {
		proto.write(BackingStoreProto.BACKING_STORE_SIZE,
		mKeyToBackingStoreMap.valueAt(i).size());
		} catch (IOException ignore) {
		}
		proto.write(BackingStoreProto.NUM_CACHED_ENTRIES,
		mKeyToIndexMapMap.get(key).size());
		final ArrayMap<String, Integer> indexMap = mKeyToIndexMapMap.get(key);
		final MemoryIntArray backingStore = getBackingStoreLocked(key,
		/* createIfNotExist= */ false);
		if (indexMap == null \|\| backingStore == null) {
		continue;
		}
		for (String setting : indexMap.keySet()) {
		try {
		final int index = getKeyIndexLocked(key, setting, mKeyToIndexMapMap,
		backingStore, /* createIfNotExist= */ false);
		if (index < 0) {
		continue;
		}
		final long cacheEntryToken = proto.start(
		BackingStoreProto.CACHE_ENTRIES);
		final int generation = backingStore.get(index);
		proto.write(CacheEntryProto.NAME,
		setting.equals(DEFAULT_MAP_KEY_FOR_UNSET_SETTINGS)
		? "UNSET" : setting);
		proto.write(CacheEntryProto.GENERATION, generation);
		proto.end(cacheEntryToken);
		} catch (IOException e) {
		throw new RuntimeException(e);
		}
		}
		proto.end(token);
		}

		}
		}

		public void dump(PrintWriter pw) {
		pw.println("GENERATION REGISTRY");
		pw.println("Maximum number of backing stores:" + getMaxNumBackingStores());
		synchronized (mLock) {
		final int numBackingStores = mKeyToBackingStoreMap.size();
		pw.println("Number of backing stores:" + numBackingStores);
		for (int i = 0; i < numBackingStores; i++) {
		final int key = mKeyToBackingStoreMap.keyAt(i);
		pw.print("_Backing store for type:"); pw.print(SettingsState.settingTypeToString(
		SettingsState.getTypeFromKey(key)));
		pw.print(" user:"); pw.print(SettingsState.getUserIdFromKey(key));
		try {
		pw.print(" size:" + mKeyToBackingStoreMap.valueAt(i).size());
		} catch (IOException ignore) {
		}
		pw.println(" cachedEntries:" + mKeyToIndexMapMap.get(key).size());
		final ArrayMap<String, Integer> indexMap = mKeyToIndexMapMap.get(key);
		final MemoryIntArray backingStore = getBackingStoreLocked(key,
		/* createIfNotExist= */ false);
		if (indexMap == null \|\| backingStore == null) {
		continue;
		}
		for (String setting : indexMap.keySet()) {
		try {
		final int index = getKeyIndexLocked(key, setting, mKeyToIndexMapMap,
		backingStore, /* createIfNotExist= */ false);
		if (index < 0) {
		continue;
		}
		final int generation = backingStore.get(index);
		pw.print(" setting: "); pw.print(
		setting.equals(DEFAULT_MAP_KEY_FOR_UNSET_SETTINGS)
		? "UNSET" : setting);
		pw.println(" generation:" + generation);
		} catch (IOException e) {
		throw new RuntimeException(e);
		}
		}
		}
		}
		}
		}
		No newline at end of file

packages/SettingsProvider/src/com/android/providers/settings/SettingsProtoDumpUtil.java

+11 −0

Original line number	Diff line number	Diff line
		@@ -120,6 +120,17 @@ class SettingsProtoDumpUtil {
		dumpProtoUserSettingsLocked(proto, SettingsServiceDumpProto.USER_SETTINGS,
		settingsRegistry, UserHandle.of(users.keyAt(i)));
		}

		// Generation registry
		dumpProtoGenerationRegistryLocked(proto, SettingsServiceDumpProto.GENERATION_REGISTRY,
		settingsRegistry);
		}

		private static void dumpProtoGenerationRegistryLocked(@NonNull ProtoOutputStream proto,
		long fieldId, SettingsProvider.SettingsRegistry settingsRegistry) {
		final long token = proto.start(fieldId);
		settingsRegistry.getGenerationRegistry().dumpProto(proto);
		proto.end(token);
		}

		/**

packages/SettingsProvider/src/com/android/providers/settings/SettingsProvider.java

+6 −0

Original line number	Diff line number	Diff line
		@@ -900,6 +900,7 @@ public class SettingsProvider extends ContentProvider {
		} finally {
		Binder.restoreCallingIdentity(identity);
		}
		mSettingsRegistry.mGenerationRegistry.dump(pw);
		}
		}

		@@ -5991,5 +5992,10 @@ public class SettingsProvider extends ContentProvider {
		return !a11yButtonTargetsSettings.isNull()
		&& !TextUtils.isEmpty(a11yButtonTargetsSettings.getValue());
		}

		@NonNull
		public GenerationRegistry getGenerationRegistry() {
		return mGenerationRegistry;
		}
		}
		}