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Commit 2f63e58c authored by Stanislav Zholnin's avatar Stanislav Zholnin
Browse files

Add DeviceConfig flag to be able to change sampling ratio of AttributedAppOps atom after 

R release.

Bug: 143519689
Test: ./out/host/linux-x86/bin/statsd_testdrive 10075
Change-Id: If7fa68cab6b699b6f09896a818b1afc9eadc0c7c
parent 1e52a093

services/core/java/com/android/server/stats/pull/StatsPullAtomService.java

+6 −1
Original line number Diff line number Diff line
@@ -98,6 +98,7 @@ import android.os.connectivity.WifiActivityEnergyInfo; 
import android.os.storage.DiskInfo;

import android.os.storage.StorageManager;

import android.os.storage.VolumeInfo;

import android.provider.DeviceConfig;

import android.provider.Settings;

import android.stats.storage.StorageEnums;

import android.telephony.ModemActivityInfo;
@@ -204,6 +205,7 @@ public class StatsPullAtomService extends SystemService { 
    private static final int CPU_TIME_PER_THREAD_FREQ_MAX_NUM_FREQUENCIES = 8;

    private static final int OP_FLAGS_PULLED = OP_FLAG_SELF | OP_FLAG_TRUSTED_PROXY;

    private static final String COMMON_PERMISSION_PREFIX = "android.permission.";

    private static final String APP_OPS_TARGET_COLLECTION_SIZE = "app_ops_target_collection_size";



    private final Object mNetworkStatsLock = new Object();

    @GuardedBy("mNetworkStatsLock")
@@ -2913,7 +2915,10 @@ public class StatsPullAtomService extends SystemService { 
            HistoricalOps histOps = ops.get(EXTERNAL_STATS_SYNC_TIMEOUT_MILLIS,

                    TimeUnit.MILLISECONDS);

            if (mAppOpsSamplingRate == 0) {

                mAppOpsSamplingRate = constrain((5000 * 100) / estimateAppOpsSize(), 1, 100);

                int appOpsTargetCollectionSize = DeviceConfig.getInt(

                        DeviceConfig.NAMESPACE_PERMISSIONS, APP_OPS_TARGET_COLLECTION_SIZE, 5000);

                mAppOpsSamplingRate = constrain(

                        (appOpsTargetCollectionSize * 100) / estimateAppOpsSize(), 1, 100);

            }

            processHistoricalOps(histOps, atomTag, pulledData);

        } catch (Throwable t) {