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Commit cd95d461 authored by Martijn Coenen's avatar Martijn Coenen
Browse files

Atom and puller for historical AppOps. 

This atom contains information about historical AppOps performed by
applications.

Bug: 128925078
Test: builds
      adb shell cmd stats pull-source 10060

Change-Id: Iaaec0987712779e2062139d3ad0e2d4544d4d45f
parent 4d5b76d3

cmds/statsd/src/atoms.proto

+39 −0
Original line number Diff line number Diff line
@@ -363,6 +363,7 @@ message Atom { 
        AppsOnExternalStorageInfo apps_on_external_storage_info = 10057;

        FaceSettings face_settings = 10058;

        CoolingDevice cooling_device = 10059;

        AppOps app_ops = 10060;

    }



    // DO NOT USE field numbers above 100,000 in AOSP.
@@ -6339,3 +6340,41 @@ message GarageModeInfo { 
    // Whether GarageMode is entered.

    optional bool is_garage_mode = 1;

}



/**

 * Historical app ops data per package.

 */

message AppOps {

    // Uid of the package requesting the op

    optional int32 uid = 1 [(is_uid) = true];



    // Nmae of the package performing the op

    optional string package_name = 2;



    // operation id; maps to the OP_* constants in AppOpsManager.java

    optional int32 op_id = 3;



    // The number of times the op was granted while the app was in the

    // foreground (only for trusted requests)

    optional int64 trusted_foreground_granted_count = 4;



    // The number of times the op was granted while the app was in the

    // background (only for trusted requests)

    optional int64 trusted_background_granted_count = 5;



    // The number of times the op was rejected while the app was in the

    // foreground (only for trusted requests)

    optional int64 trusted_foreground_rejected_count = 6;



    // The number of times the op was rejected while the app was in the

    // background (only for trusted requests)

    optional int64 trusted_background_rejected_count = 7;



    // For long-running operations, total duration of the operation

    // while the app was in the foreground (only for trusted requests)

    optional int64 trusted_foreground_duration_millis = 8;



    // For long-running operations, total duration of the operation

    // while the app was in the background (only for trusted requests)

    optional int64 trusted_background_duration_millis = 9;

}

cmds/statsd/src/external/StatsPullerManager.cpp

+3 −0
Original line number Diff line number Diff line
@@ -260,6 +260,9 @@ std::map<int, PullAtomInfo> StatsPullerManager::kAllPullAtomInfo = { 
        // Face Settings

        {android::util::FACE_SETTINGS,

         {.puller = new StatsCompanionServicePuller(android::util::FACE_SETTINGS)}},

        // App ops

        {android::util::APP_OPS,

         {.puller = new StatsCompanionServicePuller(android::util::APP_OPS)}},

};



StatsPullerManager::StatsPullerManager() : mNextPullTimeNs(NO_ALARM_UPDATE) {

services/core/java/com/android/server/stats/StatsCompanionService.java

+60 −0
Original line number Diff line number Diff line
@@ -15,6 +15,7 @@ 
 */

package com.android.server.stats;



import static android.app.AppOpsManager.OP_FLAGS_ALL_TRUSTED;

import static android.content.pm.PackageInfo.REQUESTED_PERMISSION_GRANTED;

import static android.content.pm.PermissionInfo.PROTECTION_DANGEROUS;

import static android.os.Process.getPidsForCommands;
@@ -33,6 +34,11 @@ import android.annotation.Nullable; 
import android.app.ActivityManagerInternal;

import android.app.AlarmManager;

import android.app.AlarmManager.OnAlarmListener;

import android.app.AppOpsManager;

import android.app.AppOpsManager.HistoricalOps;

import android.app.AppOpsManager.HistoricalOpsRequest;

import android.app.AppOpsManager.HistoricalPackageOps;

import android.app.AppOpsManager.HistoricalUidOps;

import android.app.ProcessMemoryHighWaterMark;

import android.app.ProcessMemoryState;

import android.app.StatsManager;
@@ -146,6 +152,8 @@ import java.io.FileOutputStream; 
import java.io.IOException;

import java.io.InputStream;

import java.io.PrintWriter;

import java.time.Instant;

import java.time.temporal.ChronoUnit;

import java.util.ArrayList;

import java.util.Arrays;

import java.util.HashMap;
@@ -154,6 +162,7 @@ import java.util.List; 
import java.util.Map;

import java.util.Map.Entry;

import java.util.UUID;

import java.util.concurrent.CompletableFuture;

import java.util.concurrent.TimeUnit;

import java.util.concurrent.TimeoutException;
@@ -1941,6 +1950,53 @@ public class StatsCompanionService extends IStatsCompanionService.Stub { 
        }

    }



    private void pullAppOps(long elapsedNanos, final long wallClockNanos,

            List<StatsLogEventWrapper> pulledData) {

        long token = Binder.clearCallingIdentity();

        try {

            AppOpsManager appOps = mContext.getSystemService(AppOpsManager.class);



            CompletableFuture<HistoricalOps> ops = new CompletableFuture<>();

            HistoricalOpsRequest histOpsRequest =

                    new HistoricalOpsRequest.Builder(

                            Instant.now().minus(1, ChronoUnit.HOURS).toEpochMilli(),

                            Long.MAX_VALUE).build();

            appOps.getHistoricalOps(histOpsRequest, mContext.getMainExecutor(), ops::complete);



            HistoricalOps histOps = ops.get(EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS,

                    TimeUnit.MILLISECONDS);



            StatsLogEventWrapper e = new StatsLogEventWrapper(StatsLog.APP_OPS, elapsedNanos,

                    wallClockNanos);



            for (int uidIdx = 0; uidIdx < histOps.getUidCount(); uidIdx++) {

                final HistoricalUidOps uidOps = histOps.getUidOpsAt(uidIdx);

                final int uid = uidOps.getUid();

                for (int pkgIdx = 0; pkgIdx < uidOps.getPackageCount(); pkgIdx++) {

                    final HistoricalPackageOps packageOps = uidOps.getPackageOpsAt(pkgIdx);

                    for (int opIdx = 0; opIdx < packageOps.getOpCount(); opIdx++) {

                        final AppOpsManager.HistoricalOp op  = packageOps.getOpAt(opIdx);

                        e.writeInt(uid);

                        e.writeString(packageOps.getPackageName());

                        e.writeInt(op.getOpCode());

                        e.writeLong(op.getForegroundAccessCount(OP_FLAGS_ALL_TRUSTED));

                        e.writeLong(op.getBackgroundAccessCount(OP_FLAGS_ALL_TRUSTED));

                        e.writeLong(op.getForegroundRejectCount(OP_FLAGS_ALL_TRUSTED));

                        e.writeLong(op.getBackgroundRejectCount(OP_FLAGS_ALL_TRUSTED));

                        e.writeLong(op.getForegroundAccessDuration(OP_FLAGS_ALL_TRUSTED));

                        e.writeLong(op.getBackgroundAccessDuration(OP_FLAGS_ALL_TRUSTED));

                        pulledData.add(e);

                    }

                }

            }

        } catch (Throwable t) {

            Log.e(TAG, "Could not read appops", t);

        } finally {

            Binder.restoreCallingIdentity(token);

        }

    }





    /**

     * Add a RoleHolder atom for each package that holds a role.

     *
@@ -2331,6 +2387,10 @@ public class StatsCompanionService extends IStatsCompanionService.Stub { 
                pullFaceSettings(tagId, elapsedNanos, wallClockNanos, ret);

                break;

            }

            case StatsLog.APP_OPS: {

                pullAppOps(elapsedNanos, wallClockNanos, ret);

                break;

            }

            default:

                Slog.w(TAG, "No such tagId data as " + tagId);

                return null;