Gitiles
Code Review Sign In
gerrit-public.fairphone.software / platform / frameworks / base / 3989eb02bc3396a71ca15fe8419697887f53504a / . / services / core / java / com / android / server / stats / StatsCompanionService.java
blob: 9f1eace321807a74f451cf7ad4ad4264f36d239d [file] [log] [blame]
/*
* Copyright (C) 2017 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.stats;
import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;
import static android.content.pm.PermissionInfo.PROTECTION_DANGEROUS;
import static android.os.Process.getPidsForCommands;
import static android.os.Process.getUidForPid;
import static com.android.internal.util.Preconditions.checkNotNull;
import static com.android.server.am.MemoryStatUtil.readCmdlineFromProcfs;
import static com.android.server.am.MemoryStatUtil.readMemoryStatFromProcfs;
import static com.android.server.am.MemoryStatUtil.readRssHighWaterMarkFromProcfs;
import static com.android.server.am.MemoryStatUtil.readSystemIonHeapSizeFromDebugfs;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.app.ActivityManagerInternal;
import android.app.AlarmManager;
import android.app.AlarmManager.OnAlarmListener;
import android.app.ProcessMemoryHighWaterMark;
import android.app.ProcessMemoryState;
import android.app.StatsManager;
import android.bluetooth.BluetoothActivityEnergyInfo;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.UidTraffic;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.IntentSender;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PermissionInfo;
import android.content.pm.UserInfo;
import android.hardware.biometrics.BiometricsProtoEnums;
import android.hardware.face.FaceManager;
import android.hardware.fingerprint.FingerprintManager;
import android.net.ConnectivityManager;
import android.net.INetworkStatsService;
import android.net.Network;
import android.net.NetworkRequest;
import android.net.NetworkStats;
import android.net.wifi.IWifiManager;
import android.net.wifi.WifiActivityEnergyInfo;
import android.os.BatteryStats;
import android.os.BatteryStatsInternal;
import android.os.Binder;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.os.FileUtils;
import android.os.Handler;
import android.os.HandlerThread;
import android.os.IBinder;
import android.os.IStatsCompanionService;
import android.os.IStatsManager;
import android.os.IStoraged;
import android.os.IThermalEventListener;
import android.os.IThermalService;
import android.os.Looper;
import android.os.ParcelFileDescriptor;
import android.os.Parcelable;
import android.os.Process;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.StatFs;
import android.os.StatsDimensionsValue;
import android.os.StatsLogEventWrapper;
import android.os.SynchronousResultReceiver;
import android.os.SystemClock;
import android.os.SystemProperties;
import android.os.Temperature;
import android.os.UserHandle;
import android.os.UserManager;
import android.os.storage.DiskInfo;
import android.os.storage.StorageManager;
import android.os.storage.VolumeInfo;
import android.telephony.ModemActivityInfo;
import android.telephony.TelephonyManager;
import android.util.ArrayMap;
import android.util.ArraySet;
import android.util.Log;
import android.util.Slog;
import android.util.StatsLog;
import android.util.proto.ProtoOutputStream;
import com.android.internal.annotations.GuardedBy;
import com.android.internal.app.procstats.IProcessStats;
import com.android.internal.app.procstats.ProcessStats;
import com.android.internal.os.BatterySipper;
import com.android.internal.os.BatteryStatsHelper;
import com.android.internal.os.BinderCallsStats.ExportedCallStat;
import com.android.internal.os.KernelCpuSpeedReader;
import com.android.internal.os.KernelCpuThreadReader;
import com.android.internal.os.KernelCpuThreadReaderSettingsObserver;
import com.android.internal.os.KernelCpuUidTimeReader.KernelCpuUidActiveTimeReader;
import com.android.internal.os.KernelCpuUidTimeReader.KernelCpuUidClusterTimeReader;
import com.android.internal.os.KernelCpuUidTimeReader.KernelCpuUidFreqTimeReader;
import com.android.internal.os.KernelCpuUidTimeReader.KernelCpuUidUserSysTimeReader;
import com.android.internal.os.KernelWakelockReader;
import com.android.internal.os.KernelWakelockStats;
import com.android.internal.os.LooperStats;
import com.android.internal.os.PowerProfile;
import com.android.internal.os.ProcessCpuTracker;
import com.android.internal.os.StoragedUidIoStatsReader;
import com.android.internal.util.DumpUtils;
import com.android.server.BinderCallsStatsService;
import com.android.server.LocalServices;
import com.android.server.SystemService;
import com.android.server.SystemServiceManager;
import com.android.server.am.MemoryStatUtil.MemoryStat;
import com.android.server.role.RoleManagerInternal;
import com.android.server.storage.DiskStatsFileLogger;
import com.android.server.storage.DiskStatsLoggingService;
import libcore.io.IoUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.File;
import java.io.FileDescriptor;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
/**
* Helper service for statsd (the native stats management service in cmds/statsd/).
* Used for registering and receiving alarms on behalf of statsd.
*
* @hide
*/
public class StatsCompanionService extends IStatsCompanionService.Stub {
/**
* How long to wait on an individual subsystem to return its stats.
*/
private static final long EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS = 2000;
private static final long MILLIS_IN_A_DAY = TimeUnit.DAYS.toMillis(1);
public static final String RESULT_RECEIVER_CONTROLLER_KEY = "controller_activity";
public static final String CONFIG_DIR = "/data/misc/stats-service";
static final String TAG = "StatsCompanionService";
static final boolean DEBUG = false;
public static final int CODE_DATA_BROADCAST = 1;
public static final int CODE_SUBSCRIBER_BROADCAST = 1;
public static final int CODE_ACTIVE_CONFIGS_BROADCAST = 1;
/**
* The last report time is provided with each intent registered to
* StatsManager#setFetchReportsOperation. This allows easy de-duping in the receiver if
* statsd is requesting the client to retrieve the same statsd data. The last report time
* corresponds to the last_report_elapsed_nanos that will provided in the current
* ConfigMetricsReport, and this timestamp also corresponds to the
* current_report_elapsed_nanos of the most recently obtained ConfigMetricsReport.
*/
public static final String EXTRA_LAST_REPORT_TIME = "android.app.extra.LAST_REPORT_TIME";
public static final int DEATH_THRESHOLD = 10;
/**
* Which native processes to snapshot memory for.
*
* <p>Processes are matched by their cmdline in procfs. Example: cat /proc/pid/cmdline returns
* /system/bin/statsd for the stats daemon.
*/
private static final String[] MEMORY_INTERESTING_NATIVE_PROCESSES = new String[]{
"/system/bin/statsd", // Stats daemon.
"/system/bin/surfaceflinger",
"/system/bin/apexd", // APEX daemon.
"/system/bin/audioserver",
"/system/bin/cameraserver",
"/system/bin/drmserver",
"/system/bin/healthd",
"/system/bin/incidentd",
"/system/bin/installd",
"/system/bin/lmkd", // Low memory killer daemon.
"/system/bin/logd",
"media.codec",
"media.extractor",
"media.metrics",
"/system/bin/mediadrmserver",
"/system/bin/mediaserver",
"/system/bin/performanced",
"/system/bin/tombstoned",
"/system/bin/traced", // Perfetto.
"/system/bin/traced_probes", // Perfetto.
"webview_zygote",
"zygote",
"zygote64",
};
private static final int CPU_TIME_PER_THREAD_FREQ_MAX_NUM_FREQUENCIES = 8;
static final class CompanionHandler extends Handler {
CompanionHandler(Looper looper) {
super(looper);
}
}
private final Context mContext;
private final AlarmManager mAlarmManager;
private final INetworkStatsService mNetworkStatsService;
@GuardedBy("sStatsdLock")
private static IStatsManager sStatsd;
private static final Object sStatsdLock = new Object();
private final OnAlarmListener mAnomalyAlarmListener = new AnomalyAlarmListener();
private final OnAlarmListener mPullingAlarmListener = new PullingAlarmListener();
private final OnAlarmListener mPeriodicAlarmListener = new PeriodicAlarmListener();
private final BroadcastReceiver mAppUpdateReceiver;
private final BroadcastReceiver mUserUpdateReceiver;
private final ShutdownEventReceiver mShutdownEventReceiver;
private final KernelWakelockReader mKernelWakelockReader = new KernelWakelockReader();
private final KernelWakelockStats mTmpWakelockStats = new KernelWakelockStats();
private IWifiManager mWifiManager = null;
private TelephonyManager mTelephony = null;
@GuardedBy("sStatsdLock")
private final HashSet<Long> mDeathTimeMillis = new HashSet<>();
@GuardedBy("sStatsdLock")
private final HashMap<Long, String> mDeletedFiles = new HashMap<>();
private final CompanionHandler mHandler;
// Disables throttler on CPU time readers.
private KernelCpuUidUserSysTimeReader mCpuUidUserSysTimeReader =
new KernelCpuUidUserSysTimeReader(false);
private KernelCpuSpeedReader[] mKernelCpuSpeedReaders;
private KernelCpuUidFreqTimeReader mCpuUidFreqTimeReader =
new KernelCpuUidFreqTimeReader(false);
private KernelCpuUidActiveTimeReader mCpuUidActiveTimeReader =
new KernelCpuUidActiveTimeReader(false);
private KernelCpuUidClusterTimeReader mCpuUidClusterTimeReader =
new KernelCpuUidClusterTimeReader(false);
private StoragedUidIoStatsReader mStoragedUidIoStatsReader =
new StoragedUidIoStatsReader();
@Nullable
private final KernelCpuThreadReader mKernelCpuThreadReader;
private long mDebugElapsedClockPreviousValue = 0;
private long mDebugElapsedClockPullCount = 0;
private long mDebugFailingElapsedClockPreviousValue = 0;
private long mDebugFailingElapsedClockPullCount = 0;
private BatteryStatsHelper mBatteryStatsHelper = null;
private static final int MAX_BATTERY_STATS_HELPER_FREQUENCY_MS = 1000;
private long mBatteryStatsHelperTimestampMs = -MAX_BATTERY_STATS_HELPER_FREQUENCY_MS;
private static IThermalService sThermalService;
private File mBaseDir =
new File(SystemServiceManager.ensureSystemDir(), "stats_companion");
@GuardedBy("this")
ProcessCpuTracker mProcessCpuTracker = null;
public StatsCompanionService(Context context) {
super();
mContext = context;
mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);
mNetworkStatsService = INetworkStatsService.Stub.asInterface(
ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
mBaseDir.mkdirs();
mAppUpdateReceiver = new AppUpdateReceiver();
mUserUpdateReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
synchronized (sStatsdLock) {
sStatsd = fetchStatsdService();
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd for UserUpdateReceiver");
return;
}
try {
// Pull the latest state of UID->app name, version mapping.
// Needed since the new user basically has a version of every app.
informAllUidsLocked(context);
} catch (RemoteException e) {
Slog.e(TAG, "Failed to inform statsd latest update of all apps", e);
forgetEverythingLocked();
}
}
}
};
mShutdownEventReceiver = new ShutdownEventReceiver();
if (DEBUG) Slog.d(TAG, "Registered receiver for ACTION_PACKAGE_REPLACED and ADDED.");
PowerProfile powerProfile = new PowerProfile(context);
final int numClusters = powerProfile.getNumCpuClusters();
mKernelCpuSpeedReaders = new KernelCpuSpeedReader[numClusters];
int firstCpuOfCluster = 0;
for (int i = 0; i < numClusters; i++) {
final int numSpeedSteps = powerProfile.getNumSpeedStepsInCpuCluster(i);
mKernelCpuSpeedReaders[i] = new KernelCpuSpeedReader(firstCpuOfCluster,
numSpeedSteps);
firstCpuOfCluster += powerProfile.getNumCoresInCpuCluster(i);
}
// Enable push notifications of throttling from vendor thermal
// management subsystem via thermalservice.
IBinder b = ServiceManager.getService("thermalservice");
if (b != null) {
sThermalService = IThermalService.Stub.asInterface(b);
try {
sThermalService.registerThermalEventListenerWithType(
new ThermalEventListener(), Temperature.TYPE_SKIN);
Slog.i(TAG, "register thermal listener successfully");
} catch (RemoteException e) {
// Should never happen.
Slog.e(TAG, "register thermal listener error");
}
} else {
Slog.e(TAG, "cannot find thermalservice, no throttling push notifications");
}
// Default NetworkRequest should cover all transport types.
final NetworkRequest request = new NetworkRequest.Builder().build();
final ConnectivityManager connectivityManager =
(ConnectivityManager) mContext.getSystemService(Context.CONNECTIVITY_SERVICE);
connectivityManager.registerNetworkCallback(request, new ConnectivityStatsCallback());
HandlerThread handlerThread = new HandlerThread(TAG);
handlerThread.start();
mHandler = new CompanionHandler(handlerThread.getLooper());
mKernelCpuThreadReader =
KernelCpuThreadReaderSettingsObserver.getSettingsModifiedReader(mContext);
}
@Override
public void sendDataBroadcast(IBinder intentSenderBinder, long lastReportTimeNs) {
enforceCallingPermission();
IntentSender intentSender = new IntentSender(intentSenderBinder);
Intent intent = new Intent();
intent.putExtra(EXTRA_LAST_REPORT_TIME, lastReportTimeNs);
try {
intentSender.sendIntent(mContext, CODE_DATA_BROADCAST, intent, null, null);
} catch (IntentSender.SendIntentException e) {
Slog.w(TAG, "Unable to send using IntentSender");
}
}
@Override
public void sendActiveConfigsChangedBroadcast(IBinder intentSenderBinder, long[] configIds) {
enforceCallingPermission();
IntentSender intentSender = new IntentSender(intentSenderBinder);
Intent intent = new Intent();
intent.putExtra(StatsManager.EXTRA_STATS_ACTIVE_CONFIG_KEYS, configIds);
try {
intentSender.sendIntent(mContext, CODE_ACTIVE_CONFIGS_BROADCAST, intent, null, null);
if (DEBUG) {
Slog.d(TAG, "Sent broadcast with config ids " + Arrays.toString(configIds));
}
} catch (IntentSender.SendIntentException e) {
Slog.w(TAG, "Unable to send active configs changed broadcast using IntentSender");
}
}
@Override
public void sendSubscriberBroadcast(IBinder intentSenderBinder, long configUid, long configKey,
long subscriptionId, long subscriptionRuleId, String[] cookies,
StatsDimensionsValue dimensionsValue) {
enforceCallingPermission();
IntentSender intentSender = new IntentSender(intentSenderBinder);
Intent intent =
new Intent()
.putExtra(StatsManager.EXTRA_STATS_CONFIG_UID, configUid)
.putExtra(StatsManager.EXTRA_STATS_CONFIG_KEY, configKey)
.putExtra(StatsManager.EXTRA_STATS_SUBSCRIPTION_ID, subscriptionId)
.putExtra(StatsManager.EXTRA_STATS_SUBSCRIPTION_RULE_ID, subscriptionRuleId)
.putExtra(StatsManager.EXTRA_STATS_DIMENSIONS_VALUE, dimensionsValue);
ArrayList<String> cookieList = new ArrayList<>(cookies.length);
for (String cookie : cookies) {
cookieList.add(cookie);
}
intent.putStringArrayListExtra(
StatsManager.EXTRA_STATS_BROADCAST_SUBSCRIBER_COOKIES, cookieList);
if (DEBUG) {
Slog.d(TAG,
String.format("Statsd sendSubscriberBroadcast with params {%d %d %d %d %s %s}",
configUid, configKey, subscriptionId, subscriptionRuleId,
Arrays.toString(cookies),
dimensionsValue));
}
try {
intentSender.sendIntent(mContext, CODE_SUBSCRIBER_BROADCAST, intent, null, null);
} catch (IntentSender.SendIntentException e) {
Slog.w(TAG,
"Unable to send using IntentSender from uid " + configUid
+ "; presumably it had been cancelled.");
}
}
private final static int[] toIntArray(List<Integer> list) {
int[] ret = new int[list.size()];
for (int i = 0; i < ret.length; i++) {
ret[i] = list.get(i);
}
return ret;
}
private final static long[] toLongArray(List<Long> list) {
long[] ret = new long[list.size()];
for (int i = 0; i < ret.length; i++) {
ret[i] = list.get(i);
}
return ret;
}
// Assumes that sStatsdLock is held.
@GuardedBy("sStatsdLock")
private final void informAllUidsLocked(Context context) throws RemoteException {
UserManager um = (UserManager) context.getSystemService(Context.USER_SERVICE);
PackageManager pm = context.getPackageManager();
final List<UserInfo> users = um.getUsers(true);
if (DEBUG) {
Slog.d(TAG, "Iterating over " + users.size() + " profiles.");
}
List<Integer> uids = new ArrayList<>();
List<Long> versions = new ArrayList<>();
List<String> apps = new ArrayList<>();
List<String> versionStrings = new ArrayList<>();
List<String> installers = new ArrayList<>();
// Add in all the apps for every user/profile.
for (UserInfo profile : users) {
List<PackageInfo> pi =
pm.getInstalledPackagesAsUser(PackageManager.MATCH_KNOWN_PACKAGES, profile.id);
for (int j = 0; j < pi.size(); j++) {
if (pi.get(j).applicationInfo != null) {
String installer;
try {
installer = pm.getInstallerPackageName(pi.get(j).packageName);
} catch (IllegalArgumentException e) {
installer = "";
}
installers.add(installer == null ? "" : installer);
uids.add(pi.get(j).applicationInfo.uid);
versions.add(pi.get(j).getLongVersionCode());
versionStrings.add(pi.get(j).versionName);
apps.add(pi.get(j).packageName);
}
}
}
sStatsd.informAllUidData(toIntArray(uids), toLongArray(versions),
versionStrings.toArray(new String[versionStrings.size()]),
apps.toArray(new String[apps.size()]),
installers.toArray(new String[installers.size()]));
if (DEBUG) {
Slog.d(TAG, "Sent data for " + uids.size() + " apps");
}
}
private final static class AppUpdateReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
/**
* App updates actually consist of REMOVE, ADD, and then REPLACE broadcasts. To avoid
* waste, we ignore the REMOVE and ADD broadcasts that contain the replacing flag.
* If we can't find the value for EXTRA_REPLACING, we default to false.
*/
if (!intent.getAction().equals(Intent.ACTION_PACKAGE_REPLACED)
&& intent.getBooleanExtra(Intent.EXTRA_REPLACING, false)) {
return; // Keep only replacing or normal add and remove.
}
if (DEBUG) Slog.d(TAG, "StatsCompanionService noticed an app was updated.");
synchronized (sStatsdLock) {
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd to inform it of an app update");
return;
}
try {
if (intent.getAction().equals(Intent.ACTION_PACKAGE_REMOVED)) {
Bundle b = intent.getExtras();
int uid = b.getInt(Intent.EXTRA_UID);
boolean replacing = intent.getBooleanExtra(Intent.EXTRA_REPLACING, false);
if (!replacing) {
// Don't bother sending an update if we're right about to get another
// intent for the new version that's added.
PackageManager pm = context.getPackageManager();
String app = intent.getData().getSchemeSpecificPart();
sStatsd.informOnePackageRemoved(app, uid);
}
} else {
PackageManager pm = context.getPackageManager();
Bundle b = intent.getExtras();
int uid = b.getInt(Intent.EXTRA_UID);
String app = intent.getData().getSchemeSpecificPart();
PackageInfo pi = pm.getPackageInfo(app, PackageManager.MATCH_ANY_USER);
String installer;
try {
installer = pm.getInstallerPackageName(app);
} catch (IllegalArgumentException e) {
installer = "";
}
sStatsd.informOnePackage(app, uid, pi.getLongVersionCode(), pi.versionName,
installer == null ? "" : installer);
}
} catch (Exception e) {
Slog.w(TAG, "Failed to inform statsd of an app update", e);
}
}
}
}
public final static class AnomalyAlarmListener implements OnAlarmListener {
@Override
public void onAlarm() {
Slog.i(TAG, "StatsCompanionService believes an anomaly has occurred at time "
+ System.currentTimeMillis() + "ms.");
synchronized (sStatsdLock) {
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd to inform it of anomaly alarm firing");
return;
}
try {
// Two-way call to statsd to retain AlarmManager wakelock
sStatsd.informAnomalyAlarmFired();
} catch (RemoteException e) {
Slog.w(TAG, "Failed to inform statsd of anomaly alarm firing", e);
}
}
// AlarmManager releases its own wakelock here.
}
}
public final static class PullingAlarmListener implements OnAlarmListener {
@Override
public void onAlarm() {
if (DEBUG) {
Slog.d(TAG, "Time to poll something.");
}
synchronized (sStatsdLock) {
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd to inform it of pulling alarm firing.");
return;
}
try {
// Two-way call to statsd to retain AlarmManager wakelock
sStatsd.informPollAlarmFired();
} catch (RemoteException e) {
Slog.w(TAG, "Failed to inform statsd of pulling alarm firing.", e);
}
}
}
}
public final static class PeriodicAlarmListener implements OnAlarmListener {
@Override
public void onAlarm() {
if (DEBUG) {
Slog.d(TAG, "Time to trigger periodic alarm.");
}
synchronized (sStatsdLock) {
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd to inform it of periodic alarm firing.");
return;
}
try {
// Two-way call to statsd to retain AlarmManager wakelock
sStatsd.informAlarmForSubscriberTriggeringFired();
} catch (RemoteException e) {
Slog.w(TAG, "Failed to inform statsd of periodic alarm firing.", e);
}
}
// AlarmManager releases its own wakelock here.
}
}
public final static class ShutdownEventReceiver extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
/**
* Skip immediately if intent is not relevant to device shutdown.
*/
if (!intent.getAction().equals(Intent.ACTION_REBOOT)
&& !(intent.getAction().equals(Intent.ACTION_SHUTDOWN)
&& (intent.getFlags() & Intent.FLAG_RECEIVER_FOREGROUND) != 0)) {
return;
}
Slog.i(TAG, "StatsCompanionService noticed a shutdown.");
synchronized (sStatsdLock) {
if (sStatsd == null) {
Slog.w(TAG, "Could not access statsd to inform it of a shutdown event.");
return;
}
try {
sStatsd.informDeviceShutdown();
} catch (Exception e) {
Slog.w(TAG, "Failed to inform statsd of a shutdown event.", e);
}
}
}
}
@Override // Binder call
public void setAnomalyAlarm(long timestampMs) {
enforceCallingPermission();
if (DEBUG) Slog.d(TAG, "Setting anomaly alarm for " + timestampMs);
final long callingToken = Binder.clearCallingIdentity();
try {
// using ELAPSED_REALTIME, not ELAPSED_REALTIME_WAKEUP, so if device is asleep, will
// only fire when it awakens.
// AlarmManager will automatically cancel any previous mAnomalyAlarmListener alarm.
mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME, timestampMs, TAG + ".anomaly",
mAnomalyAlarmListener, mHandler);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
@Override // Binder call
public void cancelAnomalyAlarm() {
enforceCallingPermission();
if (DEBUG) Slog.d(TAG, "Cancelling anomaly alarm");
final long callingToken = Binder.clearCallingIdentity();
try {
mAlarmManager.cancel(mAnomalyAlarmListener);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
@Override // Binder call
public void setAlarmForSubscriberTriggering(long timestampMs) {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG,
"Setting periodic alarm in about " + (timestampMs
- SystemClock.elapsedRealtime()));
}
final long callingToken = Binder.clearCallingIdentity();
try {
// using ELAPSED_REALTIME, not ELAPSED_REALTIME_WAKEUP, so if device is asleep, will
// only fire when it awakens.
mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME, timestampMs, TAG + ".periodic",
mPeriodicAlarmListener, mHandler);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
@Override // Binder call
public void cancelAlarmForSubscriberTriggering() {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG, "Cancelling periodic alarm");
}
final long callingToken = Binder.clearCallingIdentity();
try {
mAlarmManager.cancel(mPeriodicAlarmListener);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
@Override // Binder call
public void setPullingAlarm(long nextPullTimeMs) {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG, "Setting pulling alarm in about "
+ (nextPullTimeMs - SystemClock.elapsedRealtime()));
}
final long callingToken = Binder.clearCallingIdentity();
try {
// using ELAPSED_REALTIME, not ELAPSED_REALTIME_WAKEUP, so if device is asleep, will
// only fire when it awakens.
mAlarmManager.setExact(AlarmManager.ELAPSED_REALTIME, nextPullTimeMs, TAG + ".pull",
mPullingAlarmListener, mHandler);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
@Override // Binder call
public void cancelPullingAlarm() {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG, "Cancelling pulling alarm");
}
final long callingToken = Binder.clearCallingIdentity();
try {
mAlarmManager.cancel(mPullingAlarmListener);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
private void addNetworkStats(
int tag, List<StatsLogEventWrapper> ret, NetworkStats stats, boolean withFGBG) {
int size = stats.size();
long elapsedNanos = SystemClock.elapsedRealtimeNanos();
long wallClockNanos = SystemClock.currentTimeMicro() * 1000L;
NetworkStats.Entry entry = new NetworkStats.Entry(); // For recycling
for (int j = 0; j < size; j++) {
stats.getValues(j, entry);
StatsLogEventWrapper e = new StatsLogEventWrapper(tag, elapsedNanos, wallClockNanos);
e.writeInt(entry.uid);
if (withFGBG) {
e.writeInt(entry.set);
}
e.writeLong(entry.rxBytes);
e.writeLong(entry.rxPackets);
e.writeLong(entry.txBytes);
e.writeLong(entry.txPackets);
ret.add(e);
}
}
/**
* Allows rollups per UID but keeping the set (foreground/background) slicing.
* Adapted from groupedByUid in frameworks/base/core/java/android/net/NetworkStats.java
*/
private NetworkStats rollupNetworkStatsByFGBG(NetworkStats stats) {
final NetworkStats ret = new NetworkStats(stats.getElapsedRealtime(), 1);
final NetworkStats.Entry entry = new NetworkStats.Entry();
entry.iface = NetworkStats.IFACE_ALL;
entry.tag = NetworkStats.TAG_NONE;
entry.metered = NetworkStats.METERED_ALL;
entry.roaming = NetworkStats.ROAMING_ALL;
int size = stats.size();
NetworkStats.Entry recycle = new NetworkStats.Entry(); // Used for retrieving values
for (int i = 0; i < size; i++) {
stats.getValues(i, recycle);
// Skip specific tags, since already counted in TAG_NONE
if (recycle.tag != NetworkStats.TAG_NONE) continue;
entry.set = recycle.set; // Allows slicing by background/foreground
entry.uid = recycle.uid;
entry.rxBytes = recycle.rxBytes;
entry.rxPackets = recycle.rxPackets;
entry.txBytes = recycle.txBytes;
entry.txPackets = recycle.txPackets;
// Operations purposefully omitted since we don't use them for statsd.
ret.combineValues(entry);
}
return ret;
}
/**
* Helper method to extract the Parcelable controller info from a
* SynchronousResultReceiver.
*/
private static <T extends Parcelable> T awaitControllerInfo(
@Nullable SynchronousResultReceiver receiver) {
if (receiver == null) {
return null;
}
try {
final SynchronousResultReceiver.Result result =
receiver.awaitResult(EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS);
if (result.bundle != null) {
// This is the final destination for the Bundle.
result.bundle.setDefusable(true);
final T data = result.bundle.getParcelable(
RESULT_RECEIVER_CONTROLLER_KEY);
if (data != null) {
return data;
}
}
Slog.e(TAG, "no controller energy info supplied for " + receiver.getName());
} catch (TimeoutException e) {
Slog.w(TAG, "timeout reading " + receiver.getName() + " stats");
}
return null;
}
private void pullKernelWakelock(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
final KernelWakelockStats wakelockStats =
mKernelWakelockReader.readKernelWakelockStats(mTmpWakelockStats);
for (Map.Entry<String, KernelWakelockStats.Entry> ent : wakelockStats.entrySet()) {
String name = ent.getKey();
KernelWakelockStats.Entry kws = ent.getValue();
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeString(name);
e.writeInt(kws.mCount);
e.writeInt(kws.mVersion);
e.writeLong(kws.mTotalTime);
pulledData.add(e);
}
}
private void pullWifiBytesTransfer(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
try {
// TODO: Consider caching the following call to get BatteryStatsInternal.
BatteryStatsInternal bs = LocalServices.getService(BatteryStatsInternal.class);
String[] ifaces = bs.getWifiIfaces();
if (ifaces.length == 0) {
return;
}
if (mNetworkStatsService == null) {
Slog.e(TAG, "NetworkStats Service is not available!");
return;
}
// Combine all the metrics per Uid into one record.
NetworkStats stats = mNetworkStatsService.getDetailedUidStats(ifaces).groupedByUid();
addNetworkStats(tagId, pulledData, stats, false);
} catch (RemoteException e) {
Slog.e(TAG, "Pulling netstats for wifi bytes has error", e);
} finally {
Binder.restoreCallingIdentity(token);
}
}
private void pullWifiBytesTransferByFgBg(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
try {
BatteryStatsInternal bs = LocalServices.getService(BatteryStatsInternal.class);
String[] ifaces = bs.getWifiIfaces();
if (ifaces.length == 0) {
return;
}
if (mNetworkStatsService == null) {
Slog.e(TAG, "NetworkStats Service is not available!");
return;
}
NetworkStats stats = rollupNetworkStatsByFGBG(
mNetworkStatsService.getDetailedUidStats(ifaces));
addNetworkStats(tagId, pulledData, stats, true);
} catch (RemoteException e) {
Slog.e(TAG, "Pulling netstats for wifi bytes w/ fg/bg has error", e);
} finally {
Binder.restoreCallingIdentity(token);
}
}
private void pullMobileBytesTransfer(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
try {
BatteryStatsInternal bs = LocalServices.getService(BatteryStatsInternal.class);
String[] ifaces = bs.getMobileIfaces();
if (ifaces.length == 0) {
return;
}
if (mNetworkStatsService == null) {
Slog.e(TAG, "NetworkStats Service is not available!");
return;
}
// Combine all the metrics per Uid into one record.
NetworkStats stats = mNetworkStatsService.getDetailedUidStats(ifaces).groupedByUid();
addNetworkStats(tagId, pulledData, stats, false);
} catch (RemoteException e) {
Slog.e(TAG, "Pulling netstats for mobile bytes has error", e);
} finally {
Binder.restoreCallingIdentity(token);
}
}
private void pullBluetoothBytesTransfer(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
BluetoothActivityEnergyInfo info = fetchBluetoothData();
if (info.getUidTraffic() != null) {
for (UidTraffic traffic : info.getUidTraffic()) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(traffic.getUid());
e.writeLong(traffic.getRxBytes());
e.writeLong(traffic.getTxBytes());
pulledData.add(e);
}
}
}
private void pullMobileBytesTransferByFgBg(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
try {
BatteryStatsInternal bs = LocalServices.getService(BatteryStatsInternal.class);
String[] ifaces = bs.getMobileIfaces();
if (ifaces.length == 0) {
return;
}
if (mNetworkStatsService == null) {
Slog.e(TAG, "NetworkStats Service is not available!");
return;
}
NetworkStats stats = rollupNetworkStatsByFGBG(
mNetworkStatsService.getDetailedUidStats(ifaces));
addNetworkStats(tagId, pulledData, stats, true);
} catch (RemoteException e) {
Slog.e(TAG, "Pulling netstats for mobile bytes w/ fg/bg has error", e);
} finally {
Binder.restoreCallingIdentity(token);
}
}
private void pullCpuTimePerFreq(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
for (int cluster = 0; cluster < mKernelCpuSpeedReaders.length; cluster++) {
long[] clusterTimeMs = mKernelCpuSpeedReaders[cluster].readAbsolute();
if (clusterTimeMs != null) {
for (int speed = clusterTimeMs.length - 1; speed >= 0; --speed) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(cluster);
e.writeInt(speed);
e.writeLong(clusterTimeMs[speed]);
pulledData.add(e);
}
}
}
}
private void pullKernelUidCpuTime(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
mCpuUidUserSysTimeReader.readAbsolute((uid, timesUs) -> {
long userTimeUs = timesUs[0], systemTimeUs = timesUs[1];
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(uid);
e.writeLong(userTimeUs);
e.writeLong(systemTimeUs);
pulledData.add(e);
});
}
private void pullKernelUidCpuFreqTime(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
mCpuUidFreqTimeReader.readAbsolute((uid, cpuFreqTimeMs) -> {
for (int freqIndex = 0; freqIndex < cpuFreqTimeMs.length; ++freqIndex) {
if (cpuFreqTimeMs[freqIndex] != 0) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(uid);
e.writeInt(freqIndex);
e.writeLong(cpuFreqTimeMs[freqIndex]);
pulledData.add(e);
}
}
});
}
private void pullKernelUidCpuClusterTime(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
mCpuUidClusterTimeReader.readAbsolute((uid, cpuClusterTimesMs) -> {
for (int i = 0; i < cpuClusterTimesMs.length; i++) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(uid);
e.writeInt(i);
e.writeLong(cpuClusterTimesMs[i]);
pulledData.add(e);
}
});
}
private void pullKernelUidCpuActiveTime(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
mCpuUidActiveTimeReader.readAbsolute((uid, cpuActiveTimesMs) -> {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(uid);
e.writeLong((long) cpuActiveTimesMs);
pulledData.add(e);
});
}
private void pullWifiActivityInfo(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
synchronized (this) {
if (mWifiManager == null) {
mWifiManager =
IWifiManager.Stub.asInterface(
ServiceManager.getService(Context.WIFI_SERVICE));
}
}
if (mWifiManager != null) {
try {
SynchronousResultReceiver wifiReceiver = new SynchronousResultReceiver("wifi");
mWifiManager.requestActivityInfo(wifiReceiver);
final WifiActivityEnergyInfo wifiInfo = awaitControllerInfo(wifiReceiver);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeLong(wifiInfo.getTimeStamp());
e.writeInt(wifiInfo.getStackState());
e.writeLong(wifiInfo.getControllerTxTimeMillis());
e.writeLong(wifiInfo.getControllerRxTimeMillis());
e.writeLong(wifiInfo.getControllerIdleTimeMillis());
e.writeLong(wifiInfo.getControllerEnergyUsed());
pulledData.add(e);
} catch (RemoteException e) {
Slog.e(TAG,
"Pulling wifiManager for wifi controller activity energy info has error",
e);
} finally {
Binder.restoreCallingIdentity(token);
}
}
}
private void pullModemActivityInfo(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
synchronized (this) {
if (mTelephony == null) {
mTelephony = TelephonyManager.from(mContext);
}
}
if (mTelephony != null) {
SynchronousResultReceiver modemReceiver = new SynchronousResultReceiver("telephony");
mTelephony.requestModemActivityInfo(modemReceiver);
final ModemActivityInfo modemInfo = awaitControllerInfo(modemReceiver);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(modemInfo.getTimestamp());
e.writeLong(modemInfo.getSleepTimeMillis());
e.writeLong(modemInfo.getIdleTimeMillis());
e.writeLong(modemInfo.getTxTimeMillis()[0]);
e.writeLong(modemInfo.getTxTimeMillis()[1]);
e.writeLong(modemInfo.getTxTimeMillis()[2]);
e.writeLong(modemInfo.getTxTimeMillis()[3]);
e.writeLong(modemInfo.getTxTimeMillis()[4]);
e.writeLong(modemInfo.getRxTimeMillis());
e.writeLong(modemInfo.getEnergyUsed());
pulledData.add(e);
}
}
private void pullBluetoothActivityInfo(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
BluetoothActivityEnergyInfo info = fetchBluetoothData();
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(info.getTimeStamp());
e.writeInt(info.getBluetoothStackState());
e.writeLong(info.getControllerTxTimeMillis());
e.writeLong(info.getControllerRxTimeMillis());
e.writeLong(info.getControllerIdleTimeMillis());
e.writeLong(info.getControllerEnergyUsed());
pulledData.add(e);
}
private synchronized BluetoothActivityEnergyInfo fetchBluetoothData() {
final BluetoothAdapter adapter = BluetoothAdapter.getDefaultAdapter();
if (adapter != null) {
SynchronousResultReceiver bluetoothReceiver = new SynchronousResultReceiver(
"bluetooth");
adapter.requestControllerActivityEnergyInfo(bluetoothReceiver);
return awaitControllerInfo(bluetoothReceiver);
} else {
Slog.e(TAG, "Failed to get bluetooth adapter!");
return null;
}
}
private void pullSystemElapsedRealtime(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(SystemClock.elapsedRealtime());
pulledData.add(e);
}
private void pullSystemUpTime(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(SystemClock.uptimeMillis());
pulledData.add(e);
}
private void pullProcessMemoryState(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
List<ProcessMemoryState> processMemoryStates =
LocalServices.getService(
ActivityManagerInternal.class).getMemoryStateForProcesses();
for (ProcessMemoryState processMemoryState : processMemoryStates) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(processMemoryState.uid);
e.writeString(processMemoryState.processName);
e.writeInt(processMemoryState.oomScore);
e.writeLong(processMemoryState.pgfault);
e.writeLong(processMemoryState.pgmajfault);
e.writeLong(processMemoryState.rssInBytes);
e.writeLong(processMemoryState.cacheInBytes);
e.writeLong(processMemoryState.swapInBytes);
e.writeLong(0); // unused
e.writeLong(processMemoryState.startTimeNanos);
pulledData.add(e);
}
}
private void pullNativeProcessMemoryState(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
final List<String> processNames = Arrays.asList(MEMORY_INTERESTING_NATIVE_PROCESSES);
int[] pids = getPidsForCommands(MEMORY_INTERESTING_NATIVE_PROCESSES);
for (int i = 0; i < pids.length; i++) {
int pid = pids[i];
MemoryStat memoryStat = readMemoryStatFromProcfs(pid);
if (memoryStat == null) {
continue;
}
int uid = getUidForPid(pid);
String processName = readCmdlineFromProcfs(pid);
// Sometimes we get here processName that is not included in the whitelist. It comes
// from forking the zygote for an app. We can ignore that sample because this process
// is collected by ProcessMemoryState.
if (!processNames.contains(processName)) {
continue;
}
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(uid);
e.writeString(processName);
e.writeLong(memoryStat.pgfault);
e.writeLong(memoryStat.pgmajfault);
e.writeLong(memoryStat.rssInBytes);
e.writeLong(0); // unused
e.writeLong(memoryStat.startTimeNanos);
pulledData.add(e);
}
}
private void pullProcessMemoryHighWaterMark(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
List<ProcessMemoryHighWaterMark> results = LocalServices.getService(
ActivityManagerInternal.class).getMemoryHighWaterMarkForProcesses();
for (ProcessMemoryHighWaterMark processMemoryHighWaterMark : results) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(processMemoryHighWaterMark.uid);
e.writeString(processMemoryHighWaterMark.processName);
e.writeLong(processMemoryHighWaterMark.rssHighWaterMarkInBytes);
pulledData.add(e);
}
int[] pids = getPidsForCommands(MEMORY_INTERESTING_NATIVE_PROCESSES);
for (int i = 0; i < pids.length; i++) {
final int pid = pids[i];
final int uid = getUidForPid(pid);
final String processName = readCmdlineFromProcfs(pid);
final long rssHighWaterMarkInBytes = readRssHighWaterMarkFromProcfs(pid);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(uid);
e.writeString(processName);
e.writeLong(rssHighWaterMarkInBytes);
pulledData.add(e);
}
// Invoke rss_hwm_reset binary to reset RSS HWM counters for all processes.
SystemProperties.set("sys.rss_hwm_reset.on", "1");
}
private void pullSystemIonHeapSize(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
final long systemIonHeapSizeInBytes = readSystemIonHeapSizeFromDebugfs();
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(systemIonHeapSizeInBytes);
pulledData.add(e);
}
private void pullBinderCallsStats(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
BinderCallsStatsService.Internal binderStats =
LocalServices.getService(BinderCallsStatsService.Internal.class);
if (binderStats == null) {
throw new IllegalStateException("binderStats is null");
}
List<ExportedCallStat> callStats = binderStats.getExportedCallStats();
binderStats.reset();
for (ExportedCallStat callStat : callStats) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(callStat.workSourceUid);
e.writeString(callStat.className);
e.writeString(callStat.methodName);
e.writeLong(callStat.callCount);
e.writeLong(callStat.exceptionCount);
e.writeLong(callStat.latencyMicros);
e.writeLong(callStat.maxLatencyMicros);
e.writeLong(callStat.cpuTimeMicros);
e.writeLong(callStat.maxCpuTimeMicros);
e.writeLong(callStat.maxReplySizeBytes);
e.writeLong(callStat.maxRequestSizeBytes);
e.writeLong(callStat.recordedCallCount);
e.writeInt(callStat.screenInteractive ? 1 : 0);
e.writeInt(callStat.callingUid);
pulledData.add(e);
}
}
private void pullBinderCallsStatsExceptions(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
BinderCallsStatsService.Internal binderStats =
LocalServices.getService(BinderCallsStatsService.Internal.class);
if (binderStats == null) {
throw new IllegalStateException("binderStats is null");
}
ArrayMap<String, Integer> exceptionStats = binderStats.getExportedExceptionStats();
// TODO: decouple binder calls exceptions with the rest of the binder calls data so that we
// can reset the exception stats.
for (Entry<String, Integer> entry : exceptionStats.entrySet()) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeString(entry.getKey());
e.writeInt(entry.getValue());
pulledData.add(e);
}
}
private void pullLooperStats(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
LooperStats looperStats = LocalServices.getService(LooperStats.class);
if (looperStats == null) {
throw new IllegalStateException("looperStats null");
}
List<LooperStats.ExportedEntry> entries = looperStats.getEntries();
looperStats.reset();
for (LooperStats.ExportedEntry entry : entries) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(entry.workSourceUid);
e.writeString(entry.handlerClassName);
e.writeString(entry.threadName);
e.writeString(entry.messageName);
e.writeLong(entry.messageCount);
e.writeLong(entry.exceptionCount);
e.writeLong(entry.recordedMessageCount);
e.writeLong(entry.totalLatencyMicros);
e.writeLong(entry.cpuUsageMicros);
e.writeBoolean(entry.isInteractive);
e.writeLong(entry.maxCpuUsageMicros);
e.writeLong(entry.maxLatencyMicros);
e.writeLong(entry.recordedDelayMessageCount);
e.writeLong(entry.delayMillis);
e.writeLong(entry.maxDelayMillis);
pulledData.add(e);
}
}
private void pullDiskStats(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
// Run a quick-and-dirty performance test: write 512 bytes
byte[] junk = new byte[512];
for (int i = 0; i < junk.length; i++) junk[i] = (byte) i; // Write nonzero bytes
File tmp = new File(Environment.getDataDirectory(), "system/statsdperftest.tmp");
FileOutputStream fos = null;
IOException error = null;
long before = SystemClock.elapsedRealtime();
try {
fos = new FileOutputStream(tmp);
fos.write(junk);
} catch (IOException e) {
error = e;
} finally {
try {
if (fos != null) fos.close();
} catch (IOException e) {
// Do nothing.
}
}
long latency = SystemClock.elapsedRealtime() - before;
if (tmp.exists()) tmp.delete();
if (error != null) {
Slog.e(TAG, "Error performing diskstats latency test");
latency = -1;
}
// File based encryption.
boolean fileBased = StorageManager.isFileEncryptedNativeOnly();
//Recent disk write speed. Binder call to storaged.
int writeSpeed = -1;
try {
IBinder binder = ServiceManager.getService("storaged");
if (binder == null) {
Slog.e(TAG, "storaged not found");
}
IStoraged storaged = IStoraged.Stub.asInterface(binder);
writeSpeed = storaged.getRecentPerf();
} catch (RemoteException e) {
Slog.e(TAG, "storaged not found");
}
// Add info pulledData.
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(latency);
e.writeBoolean(fileBased);
e.writeInt(writeSpeed);
pulledData.add(e);
}
private void pullDirectoryUsage(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
StatFs statFsData = new StatFs(Environment.getDataDirectory().getAbsolutePath());
StatFs statFsSystem = new StatFs(Environment.getRootDirectory().getAbsolutePath());
StatFs statFsCache = new StatFs(Environment.getDownloadCacheDirectory().getAbsolutePath());
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.DIRECTORY_USAGE__DIRECTORY__DATA);
e.writeLong(statFsData.getAvailableBytes());
e.writeLong(statFsData.getTotalBytes());
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.DIRECTORY_USAGE__DIRECTORY__CACHE);
e.writeLong(statFsCache.getAvailableBytes());
e.writeLong(statFsCache.getTotalBytes());
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.DIRECTORY_USAGE__DIRECTORY__SYSTEM);
e.writeLong(statFsSystem.getAvailableBytes());
e.writeLong(statFsSystem.getTotalBytes());
pulledData.add(e);
}
private void pullAppSize(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
try {
String jsonStr = IoUtils.readFileAsString(DiskStatsLoggingService.DUMPSYS_CACHE_PATH);
JSONObject json = new JSONObject(jsonStr);
long cache_time = json.optLong(DiskStatsFileLogger.LAST_QUERY_TIMESTAMP_KEY, -1L);
JSONArray pkg_names = json.getJSONArray(DiskStatsFileLogger.PACKAGE_NAMES_KEY);
JSONArray app_sizes = json.getJSONArray(DiskStatsFileLogger.APP_SIZES_KEY);
JSONArray app_data_sizes = json.getJSONArray(DiskStatsFileLogger.APP_DATA_KEY);
JSONArray app_cache_sizes = json.getJSONArray(DiskStatsFileLogger.APP_CACHES_KEY);
// Sanity check: Ensure all 4 lists have the same length.
int length = pkg_names.length();
if (app_sizes.length() != length || app_data_sizes.length() != length
|| app_cache_sizes.length() != length) {
Slog.e(TAG, "formatting error in diskstats cache file!");
return;
}
for (int i = 0; i < length; i++) {
StatsLogEventWrapper e =
new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeString(pkg_names.getString(i));
e.writeLong(app_sizes.optLong(i, -1L));
e.writeLong(app_data_sizes.optLong(i, -1L));
e.writeLong(app_cache_sizes.optLong(i, -1L));
e.writeLong(cache_time);
pulledData.add(e);
}
} catch (IOException | JSONException e) {
Slog.e(TAG, "exception reading diskstats cache file", e);
}
}
private void pullCategorySize(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
try {
String jsonStr = IoUtils.readFileAsString(DiskStatsLoggingService.DUMPSYS_CACHE_PATH);
JSONObject json = new JSONObject(jsonStr);
long cacheTime = json.optLong(DiskStatsFileLogger.LAST_QUERY_TIMESTAMP_KEY, -1L);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__APP_SIZE);
e.writeLong(json.optLong(DiskStatsFileLogger.APP_SIZE_AGG_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__APP_DATA_SIZE);
e.writeLong(json.optLong(DiskStatsFileLogger.APP_DATA_SIZE_AGG_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__APP_CACHE_SIZE);
e.writeLong(json.optLong(DiskStatsFileLogger.APP_CACHE_AGG_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__PHOTOS);
e.writeLong(json.optLong(DiskStatsFileLogger.PHOTOS_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__VIDEOS);
e.writeLong(json.optLong(DiskStatsFileLogger.VIDEOS_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__AUDIO);
e.writeLong(json.optLong(DiskStatsFileLogger.AUDIO_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__DOWNLOADS);
e.writeLong(json.optLong(DiskStatsFileLogger.DOWNLOADS_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__SYSTEM);
e.writeLong(json.optLong(DiskStatsFileLogger.SYSTEM_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(StatsLog.CATEGORY_SIZE__CATEGORY__OTHER);
e.writeLong(json.optLong(DiskStatsFileLogger.MISC_KEY, -1L));
e.writeLong(cacheTime);
pulledData.add(e);
} catch (IOException | JSONException e) {
Slog.e(TAG, "exception reading diskstats cache file", e);
}
}
private void pullNumBiometricsEnrolled(int modality, int tagId, long elapsedNanos,
long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
FingerprintManager fingerprintManager = mContext.getSystemService(FingerprintManager.class);
FaceManager faceManager = mContext.getSystemService(FaceManager.class);
if (modality == BiometricsProtoEnums.MODALITY_FINGERPRINT && fingerprintManager == null) {
return;
}
if (modality == BiometricsProtoEnums.MODALITY_FACE && faceManager == null) {
return;
}
UserManager userManager = mContext.getSystemService(UserManager.class);
if (userManager == null) {
return;
}
final long token = Binder.clearCallingIdentity();
for (UserInfo user : userManager.getUsers()) {
final int userId = user.getUserHandle().getIdentifier();
int numEnrolled = 0;
if (modality == BiometricsProtoEnums.MODALITY_FINGERPRINT) {
numEnrolled = fingerprintManager.getEnrolledFingerprints(userId).size();
} else if (modality == BiometricsProtoEnums.MODALITY_FACE) {
numEnrolled = faceManager.getEnrolledFaces(userId).size();
} else {
return;
}
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(userId);
e.writeInt(numEnrolled);
pulledData.add(e);
}
Binder.restoreCallingIdentity(token);
}
// read high watermark for section
private long readProcStatsHighWaterMark(int section) {
try {
File[] files = mBaseDir.listFiles((d, name) -> {
return name.toLowerCase().startsWith(String.valueOf(section) + '_');
});
if (files == null || files.length == 0) {
return 0;
}
if (files.length > 1) {
Log.e(TAG, "Only 1 file expected for high water mark. Found " + files.length);
}
return Long.valueOf(files[0].getName().split("_")[1]);
} catch (SecurityException e) {
Log.e(TAG, "Failed to get procstats high watermark file.", e);
} catch (NumberFormatException e) {
Log.e(TAG, "Failed to parse file name.", e);
}
return 0;
}
private IProcessStats mProcessStats =
IProcessStats.Stub.asInterface(ServiceManager.getService(ProcessStats.SERVICE_NAME));
private void pullProcessStats(int section, int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
synchronized (this) {
try {
long lastHighWaterMark = readProcStatsHighWaterMark(section);
List<ParcelFileDescriptor> statsFiles = new ArrayList<>();
long highWaterMark = mProcessStats.getCommittedStats(
lastHighWaterMark, section, true, statsFiles);
if (statsFiles.size() != 1) {
return;
}
InputStream stream = new ParcelFileDescriptor.AutoCloseInputStream(
statsFiles.get(0));
int[] len = new int[1];
byte[] stats = readFully(stream, len);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeStorage(Arrays.copyOf(stats, len[0]));
pulledData.add(e);
new File(mBaseDir.getAbsolutePath() + "/" + section + "_"
+ lastHighWaterMark).delete();
new File(
mBaseDir.getAbsolutePath() + "/" + section + "_"
+ highWaterMark).createNewFile();
} catch (IOException e) {
Log.e(TAG, "Getting procstats failed: ", e);
} catch (RemoteException e) {
Log.e(TAG, "Getting procstats failed: ", e);
} catch (SecurityException e) {
Log.e(TAG, "Getting procstats failed: ", e);
}
}
}
static byte[] readFully(InputStream stream, int[] outLen) throws IOException {
int pos = 0;
final int initialAvail = stream.available();
byte[] data = new byte[initialAvail > 0 ? (initialAvail + 1) : 16384];
while (true) {
int amt = stream.read(data, pos, data.length - pos);
if (DEBUG) {
Slog.i(TAG, "Read " + amt + " bytes at " + pos + " of avail " + data.length);
}
if (amt < 0) {
if (DEBUG) {
Slog.i(TAG, "**** FINISHED READING: pos=" + pos + " len=" + data.length);
}
outLen[0] = pos;
return data;
}
pos += amt;
if (pos >= data.length) {
byte[] newData = new byte[pos + 16384];
if (DEBUG) {
Slog.i(TAG, "Copying " + pos + " bytes to new array len " + newData.length);
}
System.arraycopy(data, 0, newData, 0, pos);
data = newData;
}
}
}
private void pullPowerProfile(
int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
PowerProfile powerProfile = new PowerProfile(mContext);
checkNotNull(powerProfile);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
ProtoOutputStream proto = new ProtoOutputStream();
powerProfile.writeToProto(proto);
proto.flush();
e.writeStorage(proto.getBytes());
pulledData.add(e);
}
private void pullBuildInformation(int tagId,
long elapsedNanos, long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeString(Build.FINGERPRINT);
e.writeString(Build.BRAND);
e.writeString(Build.PRODUCT);
e.writeString(Build.DEVICE);
e.writeString(Build.VERSION.RELEASE);
e.writeString(Build.ID);
e.writeString(Build.VERSION.INCREMENTAL);
e.writeString(Build.TYPE);
e.writeString(Build.TAGS);
pulledData.add(e);
}
private BatteryStatsHelper getBatteryStatsHelper() {
if (mBatteryStatsHelper == null) {
final long callingToken = Binder.clearCallingIdentity();
try {
// clearCallingIdentity required for BatteryStatsHelper.checkWifiOnly().
mBatteryStatsHelper = new BatteryStatsHelper(mContext, false);
} finally {
Binder.restoreCallingIdentity(callingToken);
}
mBatteryStatsHelper.create((Bundle) null);
}
long currentTime = SystemClock.elapsedRealtime();
if (currentTime - mBatteryStatsHelperTimestampMs >= MAX_BATTERY_STATS_HELPER_FREQUENCY_MS) {
// Load BatteryStats and do all the calculations.
mBatteryStatsHelper.refreshStats(BatteryStats.STATS_SINCE_CHARGED, UserHandle.USER_ALL);
// Calculations are done so we don't need to save the raw BatteryStats data in RAM.
mBatteryStatsHelper.clearStats();
mBatteryStatsHelperTimestampMs = currentTime;
}
return mBatteryStatsHelper;
}
private long milliAmpHrsToNanoAmpSecs(double mAh) {
final long MILLI_AMP_HR_TO_NANO_AMP_SECS = 1_000_000L * 3600L;
return (long) (mAh * MILLI_AMP_HR_TO_NANO_AMP_SECS + 0.5);
}
private void pullDeviceCalculatedPowerUse(int tagId,
long elapsedNanos, final long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
BatteryStatsHelper bsHelper = getBatteryStatsHelper();
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(milliAmpHrsToNanoAmpSecs(bsHelper.getComputedPower()));
pulledData.add(e);
}
private void pullDeviceCalculatedPowerBlameUid(int tagId,
long elapsedNanos, final long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
final List<BatterySipper> sippers = getBatteryStatsHelper().getUsageList();
if (sippers == null) {
return;
}
for (BatterySipper bs : sippers) {
if (bs.drainType != bs.drainType.APP) {
continue;
}
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(bs.uidObj.getUid());
e.writeLong(milliAmpHrsToNanoAmpSecs(bs.totalPowerMah));
pulledData.add(e);
}
}
private void pullDeviceCalculatedPowerBlameOther(int tagId,
long elapsedNanos, final long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
final List<BatterySipper> sippers = getBatteryStatsHelper().getUsageList();
if (sippers == null) {
return;
}
for (BatterySipper bs : sippers) {
if (bs.drainType == bs.drainType.APP) {
continue; // This is a separate atom; see pullDeviceCalculatedPowerBlameUid().
}
if (bs.drainType == bs.drainType.USER) {
continue; // This is not supported. We purposefully calculate over USER_ALL.
}
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(bs.drainType.ordinal());
e.writeLong(milliAmpHrsToNanoAmpSecs(bs.totalPowerMah));
pulledData.add(e);
}
}
private void pullDiskIo(int tagId, long elapsedNanos, final long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
mStoragedUidIoStatsReader.readAbsolute((uid, fgCharsRead, fgCharsWrite, fgBytesRead,
fgBytesWrite, bgCharsRead, bgCharsWrite, bgBytesRead, bgBytesWrite,
fgFsync, bgFsync) -> {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(uid);
e.writeLong(fgCharsRead);
e.writeLong(fgCharsWrite);
e.writeLong(fgBytesRead);
e.writeLong(fgBytesWrite);
e.writeLong(bgCharsRead);
e.writeLong(bgCharsWrite);
e.writeLong(bgBytesRead);
e.writeLong(bgBytesWrite);
e.writeLong(fgFsync);
e.writeLong(bgFsync);
pulledData.add(e);
});
}
private void pullProcessCpuTime(int tagId, long elapsedNanos, final long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
synchronized (this) {
if (mProcessCpuTracker == null) {
mProcessCpuTracker = new ProcessCpuTracker(false);
mProcessCpuTracker.init();
}
mProcessCpuTracker.update();
for (int i = 0; i < mProcessCpuTracker.countStats(); i++) {
ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i);
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos,
wallClockNanos);
e.writeInt(st.uid);
e.writeString(st.name);
e.writeLong(st.base_utime);
e.writeLong(st.base_stime);
pulledData.add(e);
}
}
}
private void pullCpuTimePerThreadFreq(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
if (this.mKernelCpuThreadReader == null) {
throw new IllegalStateException("mKernelCpuThreadReader is null");
}
ArrayList<KernelCpuThreadReader.ProcessCpuUsage> processCpuUsages =
this.mKernelCpuThreadReader.getProcessCpuUsage();
if (processCpuUsages == null) {
throw new IllegalStateException("processCpuUsages is null");
}
int[] cpuFrequencies = mKernelCpuThreadReader.getCpuFrequenciesKhz();
if (cpuFrequencies.length > CPU_TIME_PER_THREAD_FREQ_MAX_NUM_FREQUENCIES) {
String message = "Expected maximum " + CPU_TIME_PER_THREAD_FREQ_MAX_NUM_FREQUENCIES
+ " frequencies, but got " + cpuFrequencies.length;
Slog.w(TAG, message);
throw new IllegalStateException(message);
}
for (int i = 0; i < processCpuUsages.size(); i++) {
KernelCpuThreadReader.ProcessCpuUsage processCpuUsage = processCpuUsages.get(i);
ArrayList<KernelCpuThreadReader.ThreadCpuUsage> threadCpuUsages =
processCpuUsage.threadCpuUsages;
for (int j = 0; j < threadCpuUsages.size(); j++) {
KernelCpuThreadReader.ThreadCpuUsage threadCpuUsage = threadCpuUsages.get(j);
if (threadCpuUsage.usageTimesMillis.length != cpuFrequencies.length) {
String message = "Unexpected number of usage times,"
+ " expected " + cpuFrequencies.length
+ " but got " + threadCpuUsage.usageTimesMillis.length;
Slog.w(TAG, message);
throw new IllegalStateException(message);
}
StatsLogEventWrapper e =
new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(processCpuUsage.uid);
e.writeInt(processCpuUsage.processId);
e.writeInt(threadCpuUsage.threadId);
e.writeString(processCpuUsage.processName);
e.writeString(threadCpuUsage.threadName);
for (int k = 0; k < CPU_TIME_PER_THREAD_FREQ_MAX_NUM_FREQUENCIES; k++) {
if (k < cpuFrequencies.length) {
e.writeInt(cpuFrequencies[k]);
e.writeInt(threadCpuUsage.usageTimesMillis[k]);
} else {
// If we have no more frequencies to write, we still must write empty data.
// We know that this data is empty (and not just zero) because all
// frequencies are expected to be greater than zero
e.writeInt(0);
e.writeInt(0);
}
}
pulledData.add(e);
}
}
}
private void pullTemperature(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long callingToken = Binder.clearCallingIdentity();
try {
List<Temperature> temperatures = sThermalService.getCurrentTemperatures();
for (Temperature temp : temperatures) {
StatsLogEventWrapper e =
new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(temp.getType());
e.writeString(temp.getName());
e.writeInt((int) (temp.getValue() * 10));
pulledData.add(e);
}
} catch (RemoteException e) {
// Should not happen.
Slog.e(TAG, "Disconnected from thermal service. Cannot pull temperatures.");
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
private void pullDebugElapsedClock(int tagId,
long elapsedNanos, final long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
final long elapsedMillis = SystemClock.elapsedRealtime();
final long clockDiffMillis = mDebugElapsedClockPreviousValue == 0
? 0 : elapsedMillis - mDebugElapsedClockPreviousValue;
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeLong(mDebugElapsedClockPullCount);
e.writeLong(elapsedMillis);
// Log it twice to be able to test multi-value aggregation from ValueMetric.
e.writeLong(elapsedMillis);
e.writeLong(clockDiffMillis);
e.writeInt(1 /* always set */);
pulledData.add(e);
if (mDebugElapsedClockPullCount % 2 == 1) {
StatsLogEventWrapper e2 = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e2.writeLong(mDebugElapsedClockPullCount);
e2.writeLong(elapsedMillis);
// Log it twice to be able to test multi-value aggregation from ValueMetric.
e2.writeLong(elapsedMillis);
e2.writeLong(clockDiffMillis);
e2.writeInt(2 /* set on odd pulls */);
pulledData.add(e2);
}
mDebugElapsedClockPullCount++;
mDebugElapsedClockPreviousValue = elapsedMillis;
}
private void pullDebugFailingElapsedClock(int tagId,
long elapsedNanos, final long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
final long elapsedMillis = SystemClock.elapsedRealtime();
// Fails every 5 buckets.
if (mDebugFailingElapsedClockPullCount++ % 5 == 0) {
mDebugFailingElapsedClockPreviousValue = elapsedMillis;
throw new RuntimeException("Failing debug elapsed clock");
}
e.writeLong(mDebugFailingElapsedClockPullCount);
e.writeLong(elapsedMillis);
// Log it twice to be able to test multi-value aggregation from ValueMetric.
e.writeLong(elapsedMillis);
e.writeLong(mDebugFailingElapsedClockPreviousValue == 0
? 0 : elapsedMillis - mDebugFailingElapsedClockPreviousValue);
mDebugFailingElapsedClockPreviousValue = elapsedMillis;
pulledData.add(e);
}
private void pullDangerousPermissionState(long elapsedNanos, final long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
long token = Binder.clearCallingIdentity();
try {
PackageManager pm = mContext.getPackageManager();
List<UserInfo> users = mContext.getSystemService(UserManager.class).getUsers();
int numUsers = users.size();
for (int userNum = 0; userNum < numUsers; userNum++) {
UserHandle user = users.get(userNum).getUserHandle();
List<PackageInfo> pkgs = pm.getInstalledPackagesAsUser(
PackageManager.GET_PERMISSIONS, user.getIdentifier());
int numPkgs = pkgs.size();
for (int pkgNum = 0; pkgNum < numPkgs; pkgNum++) {
PackageInfo pkg = pkgs.get(pkgNum);
if (pkg.requestedPermissions == null) {
continue;
}
int numPerms = pkg.requestedPermissions.length;
for (int permNum = 0; permNum < numPerms; permNum++) {
String permName = pkg.requestedPermissions[permNum];
PermissionInfo permissionInfo;
try {
permissionInfo = pm.getPermissionInfo(permName, 0);
} catch (PackageManager.NameNotFoundException ignored) {
continue;
}
if (permissionInfo.getProtection() != PROTECTION_DANGEROUS) {
continue;
}
StatsLogEventWrapper e = new StatsLogEventWrapper(
StatsLog.DANGEROUS_PERMISSION_STATE, elapsedNanos, wallClockNanos);
e.writeString(permName);
e.writeInt(pkg.applicationInfo.uid);
e.writeString(pkg.packageName);
e.writeBoolean((pkg.requestedPermissionsFlags[permNum]
& REQUESTED_PERMISSION_GRANTED) != 0);
pulledData.add(e);
}
}
}
} catch (Throwable t) {
Log.e(TAG, "Could not read permissions", t);
} finally {
Binder.restoreCallingIdentity(token);
}
}
/**
* Add a RoleHolder atom for each package that holds a role.
*
* @param elapsedNanos the time since boot
* @param wallClockNanos the time on the clock
* @param pulledData the data sink to write to
*/
private void pullRoleHolders(long elapsedNanos, final long wallClockNanos,
@NonNull List<StatsLogEventWrapper> pulledData) {
long callingToken = Binder.clearCallingIdentity();
try {
PackageManager pm = mContext.getPackageManager();
RoleManagerInternal rmi = LocalServices.getService(RoleManagerInternal.class);
List<UserInfo> users = mContext.getSystemService(UserManager.class).getUsers();
int numUsers = users.size();
for (int userNum = 0; userNum < numUsers; userNum++) {
int userId = users.get(userNum).getUserHandle().getIdentifier();
ArrayMap<String, ArraySet<String>> roles = rmi.getRolesAndHolders(
userId);
int numRoles = roles.size();
for (int roleNum = 0; roleNum < numRoles; roleNum++) {
String roleName = roles.keyAt(roleNum);
ArraySet<String> holders = roles.valueAt(roleNum);
int numHolders = holders.size();
for (int holderNum = 0; holderNum < numHolders; holderNum++) {
String holderName = holders.valueAt(holderNum);
PackageInfo pkg;
try {
pkg = pm.getPackageInfoAsUser(holderName, 0, userId);
} catch (PackageManager.NameNotFoundException e) {
Log.w(TAG, "Role holder " + holderName + " not found");
return;
}
StatsLogEventWrapper e = new StatsLogEventWrapper(StatsLog.ROLE_HOLDER,
elapsedNanos, wallClockNanos);
e.writeInt(pkg.applicationInfo.uid);
e.writeString(holderName);
e.writeString(roleName);
pulledData.add(e);
}
}
}
} finally {
Binder.restoreCallingIdentity(callingToken);
}
}
private void pullTimeZoneDataInfo(int tagId,
long elapsedNanos, long wallClockNanos, List<StatsLogEventWrapper> pulledData) {
String tzDbVersion = "Unknown";
try {
tzDbVersion = android.icu.util.TimeZone.getTZDataVersion();
} catch (Exception e) {
Log.e(TAG, "Getting tzdb version failed: ", e);
}
StatsLogEventWrapper e = new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeString(tzDbVersion);
pulledData.add(e);
}
private void pullSDCardInfo(int tagId, long elapsedNanos, long wallClockNanos,
List<StatsLogEventWrapper> pulledData) {
StorageManager storageManager = mContext.getSystemService(StorageManager.class);
if (storageManager != null) {
List<VolumeInfo> volumes = storageManager.getVolumes();
for (VolumeInfo vol : volumes) {
final String envState = VolumeInfo.getEnvironmentForState(vol.getState());
final DiskInfo diskInfo = vol.getDisk();
if (diskInfo != null && diskInfo.isSd()) {
if (envState.equals(Environment.MEDIA_MOUNTED)) {
StatsLogEventWrapper e =
new StatsLogEventWrapper(tagId, elapsedNanos, wallClockNanos);
e.writeInt(vol.getType() + 1);
e.writeLong(diskInfo.size);
pulledData.add(e);
}
}
}
}
}
/**
* Pulls various data.
*/
@Override // Binder call
public StatsLogEventWrapper[] pullData(int tagId) {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG, "Pulling " + tagId);
}
List<StatsLogEventWrapper> ret = new ArrayList<>();
long elapsedNanos = SystemClock.elapsedRealtimeNanos();
long wallClockNanos = SystemClock.currentTimeMicro() * 1000L;
switch (tagId) {
case StatsLog.WIFI_BYTES_TRANSFER: {
pullWifiBytesTransfer(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.MOBILE_BYTES_TRANSFER: {
pullMobileBytesTransfer(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.WIFI_BYTES_TRANSFER_BY_FG_BG: {
pullWifiBytesTransferByFgBg(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.MOBILE_BYTES_TRANSFER_BY_FG_BG: {
pullMobileBytesTransferByFgBg(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.BLUETOOTH_BYTES_TRANSFER: {
pullBluetoothBytesTransfer(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.KERNEL_WAKELOCK: {
pullKernelWakelock(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_TIME_PER_FREQ: {
pullCpuTimePerFreq(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_TIME_PER_UID: {
pullKernelUidCpuTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_TIME_PER_UID_FREQ: {
pullKernelUidCpuFreqTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_CLUSTER_TIME: {
pullKernelUidCpuClusterTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_ACTIVE_TIME: {
pullKernelUidCpuActiveTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.WIFI_ACTIVITY_INFO: {
pullWifiActivityInfo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.MODEM_ACTIVITY_INFO: {
pullModemActivityInfo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.BLUETOOTH_ACTIVITY_INFO: {
pullBluetoothActivityInfo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.SYSTEM_UPTIME: {
pullSystemUpTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.SYSTEM_ELAPSED_REALTIME: {
pullSystemElapsedRealtime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.PROCESS_MEMORY_STATE: {
pullProcessMemoryState(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.NATIVE_PROCESS_MEMORY_STATE: {
pullNativeProcessMemoryState(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.PROCESS_MEMORY_HIGH_WATER_MARK: {
pullProcessMemoryHighWaterMark(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.SYSTEM_ION_HEAP_SIZE: {
pullSystemIonHeapSize(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.BINDER_CALLS: {
pullBinderCallsStats(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.BINDER_CALLS_EXCEPTIONS: {
pullBinderCallsStatsExceptions(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.LOOPER_STATS: {
pullLooperStats(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DISK_STATS: {
pullDiskStats(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DIRECTORY_USAGE: {
pullDirectoryUsage(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.APP_SIZE: {
pullAppSize(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CATEGORY_SIZE: {
pullCategorySize(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.NUM_FINGERPRINTS_ENROLLED: {
pullNumBiometricsEnrolled(BiometricsProtoEnums.MODALITY_FINGERPRINT, tagId,
elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.NUM_FACES_ENROLLED: {
pullNumBiometricsEnrolled(BiometricsProtoEnums.MODALITY_FACE, tagId, elapsedNanos,
wallClockNanos, ret);
break;
}
case StatsLog.PROC_STATS: {
pullProcessStats(ProcessStats.REPORT_ALL, tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.PROC_STATS_PKG_PROC: {
pullProcessStats(ProcessStats.REPORT_PKG_PROC_STATS, tagId, elapsedNanos,
wallClockNanos, ret);
break;
}
case StatsLog.DISK_IO: {
pullDiskIo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.POWER_PROFILE: {
pullPowerProfile(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.BUILD_INFORMATION: {
pullBuildInformation(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.PROCESS_CPU_TIME: {
pullProcessCpuTime(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.CPU_TIME_PER_THREAD_FREQ: {
pullCpuTimePerThreadFreq(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DEVICE_CALCULATED_POWER_USE: {
pullDeviceCalculatedPowerUse(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DEVICE_CALCULATED_POWER_BLAME_UID: {
pullDeviceCalculatedPowerBlameUid(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DEVICE_CALCULATED_POWER_BLAME_OTHER: {
pullDeviceCalculatedPowerBlameOther(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.TEMPERATURE: {
pullTemperature(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DEBUG_ELAPSED_CLOCK: {
pullDebugElapsedClock(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DEBUG_FAILING_ELAPSED_CLOCK: {
pullDebugFailingElapsedClock(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.ROLE_HOLDER: {
pullRoleHolders(elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.DANGEROUS_PERMISSION_STATE: {
pullDangerousPermissionState(elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.TIME_ZONE_DATA_INFO: {
pullTimeZoneDataInfo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
case StatsLog.SDCARD_INFO: {
pullSDCardInfo(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
default:
Slog.w(TAG, "No such tagId data as " + tagId);
return null;
}
return ret.toArray(new StatsLogEventWrapper[ret.size()]);
}
@Override // Binder call
public void statsdReady() {
enforceCallingPermission();
if (DEBUG) {
Slog.d(TAG, "learned that statsdReady");
}
sayHiToStatsd(); // tell statsd that we're ready too and link to it
mContext.sendBroadcastAsUser(new Intent(StatsManager.ACTION_STATSD_STARTED)
.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND),
UserHandle.SYSTEM, android.Manifest.permission.DUMP);
}
@Override
public void triggerUidSnapshot() {
enforceCallingPermission();
synchronized (sStatsdLock) {
final long token = Binder.clearCallingIdentity();
try {
informAllUidsLocked(mContext);
} catch (RemoteException e) {
Slog.e(TAG, "Failed to trigger uid snapshot.", e);
} finally {
restoreCallingIdentity(token);
}
}
}
private void enforceCallingPermission() {
if (Binder.getCallingPid() == Process.myPid()) {
return;
}
mContext.enforceCallingPermission(android.Manifest.permission.STATSCOMPANION, null);
}
// Lifecycle and related code
/**
* Fetches the statsd IBinder service
*/
private static IStatsManager fetchStatsdService() {
return IStatsManager.Stub.asInterface(ServiceManager.getService("stats"));
}
public static final class Lifecycle extends SystemService {
private StatsCompanionService mStatsCompanionService;
public Lifecycle(Context context) {
super(context);
}
@Override
public void onStart() {
mStatsCompanionService = new StatsCompanionService(getContext());
try {
publishBinderService(Context.STATS_COMPANION_SERVICE,
mStatsCompanionService);
if (DEBUG) Slog.d(TAG, "Published " + Context.STATS_COMPANION_SERVICE);
} catch (Exception e) {
Slog.e(TAG, "Failed to publishBinderService", e);
}
}
@Override
public void onBootPhase(int phase) {
super.onBootPhase(phase);
if (phase == PHASE_THIRD_PARTY_APPS_CAN_START) {
mStatsCompanionService.systemReady();
}
}
}
/**
* Now that the android system is ready, StatsCompanion is ready too, so inform statsd.
*/
private void systemReady() {
if (DEBUG) Slog.d(TAG, "Learned that systemReady");
sayHiToStatsd();
}
/**
* Tells statsd that statscompanion is ready. If the binder call returns, link to
* statsd.
*/
private void sayHiToStatsd() {
synchronized (sStatsdLock) {
if (sStatsd != null) {
Slog.e(TAG, "Trying to fetch statsd, but it was already fetched",
new IllegalStateException(
"sStatsd is not null when being fetched"));
return;
}
sStatsd = fetchStatsdService();
if (sStatsd == null) {
Slog.i(TAG,
"Could not yet find statsd to tell it that StatsCompanion is "
+ "alive.");
return;
}
if (DEBUG) Slog.d(TAG, "Saying hi to statsd");
try {
sStatsd.statsCompanionReady();
// If the statsCompanionReady two-way binder call returns, link to statsd.
try {
sStatsd.asBinder().linkToDeath(new StatsdDeathRecipient(), 0);
} catch (RemoteException e) {
Slog.e(TAG, "linkToDeath(StatsdDeathRecipient) failed", e);
forgetEverythingLocked();
}
// Setup broadcast receiver for updates.
IntentFilter filter = new IntentFilter(Intent.ACTION_PACKAGE_REPLACED);
filter.addAction(Intent.ACTION_PACKAGE_ADDED);
filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
filter.addDataScheme("package");
mContext.registerReceiverAsUser(mAppUpdateReceiver, UserHandle.ALL, filter,
null,
null);
// Setup receiver for user initialize (which happens once for a new user)
// and
// if a user is removed.
filter = new IntentFilter(Intent.ACTION_USER_INITIALIZE);
filter.addAction(Intent.ACTION_USER_REMOVED);
mContext.registerReceiverAsUser(mUserUpdateReceiver, UserHandle.ALL,
filter, null, null);
// Setup receiver for device reboots or shutdowns.
filter = new IntentFilter(Intent.ACTION_REBOOT);
filter.addAction(Intent.ACTION_SHUTDOWN);
mContext.registerReceiverAsUser(
mShutdownEventReceiver, UserHandle.ALL, filter, null, null);
final long token = Binder.clearCallingIdentity();
try {
// Pull the latest state of UID->app name, version mapping when
// statsd starts.
informAllUidsLocked(mContext);
} finally {
restoreCallingIdentity(token);
}
Slog.i(TAG, "Told statsd that StatsCompanionService is alive.");
} catch (RemoteException e) {
Slog.e(TAG, "Failed to inform statsd that statscompanion is ready", e);
forgetEverythingLocked();
}
}
}
private class StatsdDeathRecipient implements IBinder.DeathRecipient {
@Override
public void binderDied() {
Slog.i(TAG, "Statsd is dead - erase all my knowledge.");
synchronized (sStatsdLock) {
long now = SystemClock.elapsedRealtime();
for (Long timeMillis : mDeathTimeMillis) {
long ageMillis = now - timeMillis;
if (ageMillis > MILLIS_IN_A_DAY) {
mDeathTimeMillis.remove(timeMillis);
}
}
for (Long timeMillis : mDeletedFiles.keySet()) {
long ageMillis = now - timeMillis;
if (ageMillis > MILLIS_IN_A_DAY * 7) {
mDeletedFiles.remove(timeMillis);
}
}
mDeathTimeMillis.add(now);
if (mDeathTimeMillis.size() >= DEATH_THRESHOLD) {
mDeathTimeMillis.clear();
File[] configs = FileUtils.listFilesOrEmpty(new File(CONFIG_DIR));
if (configs.length > 0) {
String fileName = configs[0].getName();
if (configs[0].delete()) {
mDeletedFiles.put(now, fileName);
}
}
}
forgetEverythingLocked();
}
}
}
@GuardedBy("StatsCompanionService.sStatsdLock")
private void forgetEverythingLocked() {
sStatsd = null;
mContext.unregisterReceiver(mAppUpdateReceiver);
mContext.unregisterReceiver(mUserUpdateReceiver);
mContext.unregisterReceiver(mShutdownEventReceiver);
cancelAnomalyAlarm();
cancelPullingAlarm();
BinderCallsStatsService.Internal binderStats =
LocalServices.getService(BinderCallsStatsService.Internal.class);
if (binderStats != null) {
binderStats.reset();
}
LooperStats looperStats = LocalServices.getService(LooperStats.class);
if (looperStats != null) {
looperStats.reset();
}
}
@Override
protected void dump(FileDescriptor fd, PrintWriter writer, String[] args) {
if (!DumpUtils.checkDumpPermission(mContext, TAG, writer)) return;
synchronized (sStatsdLock) {
writer.println(
"Number of configuration files deleted: " + mDeletedFiles.size());
if (mDeletedFiles.size() > 0) {
writer.println(" timestamp, deleted file name");
}
long lastBootMillis =
SystemClock.currentThreadTimeMillis() - SystemClock.elapsedRealtime();
for (Long elapsedMillis : mDeletedFiles.keySet()) {
long deletionMillis = lastBootMillis + elapsedMillis;
writer.println(
" " + deletionMillis + ", " + mDeletedFiles.get(elapsedMillis));
}
}
}
// Thermal event received from vendor thermal management subsystem
private static final class ThermalEventListener extends IThermalEventListener.Stub {
@Override
public void notifyThrottling(Temperature temp) {
boolean isThrottling = temp.getStatus() >= Temperature.THROTTLING_SEVERE;
StatsLog.write(StatsLog.THERMAL_THROTTLING, temp.getType(),
isThrottling ?
StatsLog.THERMAL_THROTTLING_STATE_CHANGED__STATE__START :
StatsLog.THERMAL_THROTTLING_STATE_CHANGED__STATE__STOP,
temp.getValue());
}
}
private static final class ConnectivityStatsCallback extends
ConnectivityManager.NetworkCallback {
@Override
public void onAvailable(Network network) {
StatsLog.write(StatsLog.CONNECTIVITY_STATE_CHANGED, network.netId,
StatsLog.CONNECTIVITY_STATE_CHANGED__STATE__CONNECTED);
}
@Override
public void onLost(Network network) {
StatsLog.write(StatsLog.CONNECTIVITY_STATE_CHANGED, network.netId,
StatsLog.CONNECTIVITY_STATE_CHANGED__STATE__DISCONNECTED);
}
}
}