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-rw-r--r--cmds/statsd/src/external/StatsPullerManager.cpp15
-rw-r--r--services/core/java/com/android/server/stats/StatsCompanionService.java106
2 files changed, 105 insertions, 16 deletions
diff --git a/cmds/statsd/src/external/StatsPullerManager.cpp b/cmds/statsd/src/external/StatsPullerManager.cpp
index 66392f80f1fe..5fb196ff4884 100644
--- a/cmds/statsd/src/external/StatsPullerManager.cpp
+++ b/cmds/statsd/src/external/StatsPullerManager.cpp
@@ -163,10 +163,7 @@ const std::map<int, PullAtomInfo> StatsPullerManager::kAllPullAtomInfo = {
new ResourceHealthManagerPuller(android::util::FULL_BATTERY_CAPACITY)}},
// battery_voltage
{android::util::BATTERY_VOLTAGE,
- {{},
- {},
- 1 * NS_PER_SEC,
- new ResourceHealthManagerPuller(android::util::BATTERY_VOLTAGE)}},
+ {{}, {}, 1 * NS_PER_SEC, new ResourceHealthManagerPuller(android::util::BATTERY_VOLTAGE)}},
// process_memory_state
{android::util::PROCESS_MEMORY_STATE,
{{4, 5, 6, 7, 8, 9},
@@ -204,17 +201,17 @@ const std::map<int, PullAtomInfo> StatsPullerManager::kAllPullAtomInfo = {
{{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::APP_SIZE)}},
// Size of specific categories of files. Eg. Music.
{android::util::CATEGORY_SIZE,
- {{},
- {},
- 1 * NS_PER_SEC,
- new StatsCompanionServicePuller(android::util::CATEGORY_SIZE)}},
+ {{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::CATEGORY_SIZE)}},
// Number of fingerprints registered to each user.
{android::util::NUM_FINGERPRINTS,
{{},
{},
1 * NS_PER_SEC,
new StatsCompanionServicePuller(android::util::NUM_FINGERPRINTS)}},
- };
+ // ProcStats.
+ {android::util::PROC_STATS,
+ {{}, {}, 1 * NS_PER_SEC, new StatsCompanionServicePuller(android::util::PROC_STATS)}},
+};
StatsPullerManager::StatsPullerManager() : mNextPullTimeNs(NO_ALARM_UPDATE) {
}
diff --git a/services/core/java/com/android/server/stats/StatsCompanionService.java b/services/core/java/com/android/server/stats/StatsCompanionService.java
index c6e6449313c0..3c64dd278f78 100644
--- a/services/core/java/com/android/server/stats/StatsCompanionService.java
+++ b/services/core/java/com/android/server/stats/StatsCompanionService.java
@@ -47,6 +47,7 @@ import android.os.IStatsManager;
import android.os.IStoraged;
import android.os.IThermalEventListener;
import android.os.IThermalService;
+import android.os.ParcelFileDescriptor;
import android.os.Parcelable;
import android.os.Process;
import android.os.RemoteException;
@@ -63,10 +64,13 @@ import android.os.storage.StorageManager;
import android.telephony.ModemActivityInfo;
import android.telephony.TelephonyManager;
import android.util.ArrayMap;
+import android.util.Log;
import android.util.Slog;
import android.util.StatsLog;
import com.android.internal.annotations.GuardedBy;
+import com.android.internal.app.procstats.IProcessStats;
+import com.android.internal.app.procstats.ProcessStats;
import com.android.internal.net.NetworkStatsFactory;
import com.android.internal.os.BinderCallsStats.ExportedCallStat;
import com.android.internal.os.KernelCpuSpeedReader;
@@ -82,6 +86,7 @@ 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.storage.DiskStatsFileLogger;
import com.android.server.storage.DiskStatsLoggingService;
@@ -95,6 +100,7 @@ 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;
@@ -123,7 +129,7 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
public static final String CONFIG_DIR = "/data/misc/stats-service";
static final String TAG = "StatsCompanionService";
- static final boolean DEBUG = true;
+ static final boolean DEBUG = false;
public static final int CODE_DATA_BROADCAST = 1;
public static final int CODE_SUBSCRIBER_BROADCAST = 1;
@@ -174,12 +180,14 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
new KernelUidCpuClusterTimeReader();
private static IThermalService sThermalService;
+ private File mBaseDir =
+ new File(SystemServiceManager.ensureSystemDir(), "stats_companion");
public StatsCompanionService(Context context) {
super();
mContext = context;
mAlarmManager = (AlarmManager) mContext.getSystemService(Context.ALARM_SERVICE);
-
+ mBaseDir.mkdirs();
mAppUpdateReceiver = new AppUpdateReceiver();
mUserUpdateReceiver = new BroadcastReceiver() {
@Override
@@ -1245,6 +1253,86 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
Binder.restoreCallingIdentity(token);
}
+ long mLastProcStatsHighWaterMark = readProcStatsHighWaterMark();
+
+ private long readProcStatsHighWaterMark() {
+ try {
+ File[] files = mBaseDir.listFiles();
+ 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());
+ } 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 tagId, long elapsedNanos, long wallClockNanos,
+ List<StatsLogEventWrapper> pulledData) {
+ try {
+ List<ParcelFileDescriptor> statsFiles = new ArrayList<>();
+ long highWaterMark = mProcessStats.getCommittedStats(
+ mLastProcStatsHighWaterMark, ProcessStats.REPORT_ALL, 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() + "/" + mLastProcStatsHighWaterMark).delete();
+ mLastProcStatsHighWaterMark = highWaterMark;
+ new File(
+ mBaseDir.getAbsolutePath() + "/" + mLastProcStatsHighWaterMark).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;
+ }
+ }
+ }
+
/**
* Pulls various data.
*/
@@ -1358,6 +1446,10 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
pullNumFingerprints(tagId, elapsedNanos, wallClockNanos, ret);
break;
}
+ case StatsLog.PROC_STATS: {
+ pullProcessStats(tagId, elapsedNanos, wallClockNanos, ret);
+ break;
+ }
default:
Slog.w(TAG, "No such tagId data as " + tagId);
return null;
@@ -1368,13 +1460,13 @@ public class StatsCompanionService extends IStatsCompanionService.Stub {
@Override // Binder call
public void statsdReady() {
enforceCallingPermission();
- if (DEBUG) Slog.d(TAG, "learned that statsdReady");
+ 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)
+ mContext.sendBroadcastAsUser(new Intent(StatsManager.ACTION_STATSD_STARTED)
.addFlags(Intent.FLAG_RECEIVER_INCLUDE_BACKGROUND),
- UserHandle.SYSTEM,
- android.Manifest.permission.DUMP);
+ UserHandle.SYSTEM, android.Manifest.permission.DUMP);
}
@Override
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-07 09:48:36 +0000