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Commit 777e2be0 authored by Adam Lesinski's avatar Adam Lesinski
Browse files

Merge commit 'ff83745a' into manual_merge_ff83745 

Change-Id: Ie02bdb4a85bd9a2e3d50368f2f15a8b0199fb945
parents 5660bbc1 ff83745a

src/com/android/bluetooth/btservice/AdapterService.java

+38 −11
Original line number Diff line number Diff line
@@ -57,6 +57,7 @@ import android.text.TextUtils; 
import android.util.Base64;

import android.util.EventLog;

import android.util.Log;

import android.util.Slog;

import android.util.SparseArray;



import com.android.bluetooth.a2dp.A2dpService;
@@ -96,10 +97,10 @@ public class AdapterService extends Service { 


    private final Object mEnergyInfoLock = new Object();

    private int mStackReportedState;

    private int mTxTimeTotalMs;

    private int mRxTimeTotalMs;

    private int mIdleTimeTotalMs;

    private int mEnergyUsedTotalVoltAmpSecMicro;

    private long mTxTimeTotalMs;

    private long mRxTimeTotalMs;

    private long mIdleTimeTotalMs;

    private long mEnergyUsedTotalVoltAmpSecMicro;

    private SparseArray<UidTraffic> mUidTraffic = new SparseArray<>();



    private final ArrayList<ProfileService> mProfiles = new ArrayList<ProfileService>();
@@ -2326,17 +2327,43 @@ public class AdapterService extends Service { 
            // Energy is product of mA, V and ms. If the chipset doesn't

            // report it, we have to compute it from time

            if (energy_used == 0) {

                energy_used = (long)((tx_time * getTxCurrentMa()

                        + rx_time * getRxCurrentMa()

                        + idle_time * getIdleCurrentMa()) * getOperatingVolt());

                try {

                    final long txMah = Math.multiplyExact(tx_time, getTxCurrentMa());

                    final long rxMah = Math.multiplyExact(rx_time, getRxCurrentMa());

                    final long idleMah = Math.multiplyExact(idle_time, getIdleCurrentMa());

                    energy_used = (long) (Math.addExact(Math.addExact(txMah, rxMah), idleMah)

                            * getOperatingVolt());

                } catch (ArithmeticException e) {

                    Slog.wtf(TAG, "overflow in bluetooth energy callback", e);

                    // Energy is already 0 if the exception was thrown.

                }

            }



            synchronized (mEnergyInfoLock) {

                mStackReportedState = ctrl_state;

                mTxTimeTotalMs += tx_time;

                mRxTimeTotalMs += rx_time;

                mIdleTimeTotalMs += idle_time;

                mEnergyUsedTotalVoltAmpSecMicro += energy_used;

                long totalTxTimeMs;

                long totalRxTimeMs;

                long totalIdleTimeMs;

                long totalEnergy;

                try {

                    totalTxTimeMs = Math.addExact(mTxTimeTotalMs, tx_time);

                    totalRxTimeMs = Math.addExact(mRxTimeTotalMs, rx_time);

                    totalIdleTimeMs = Math.addExact(mIdleTimeTotalMs, idle_time);

                    totalEnergy = Math.addExact(mEnergyUsedTotalVoltAmpSecMicro, energy_used);

                } catch (ArithmeticException e) {

                    // This could be because we accumulated a lot of time, or we got a very strange

                    // value from the controller (more likely). Discard this data.

                    Slog.wtf(TAG, "overflow in bluetooth energy callback", e);

                    totalTxTimeMs = mTxTimeTotalMs;

                    totalRxTimeMs = mRxTimeTotalMs;

                    totalIdleTimeMs = mIdleTimeTotalMs;

                    totalEnergy = mEnergyUsedTotalVoltAmpSecMicro;

                }



                mTxTimeTotalMs = totalTxTimeMs;

                mRxTimeTotalMs = totalRxTimeMs;

                mIdleTimeTotalMs = totalIdleTimeMs;

                mEnergyUsedTotalVoltAmpSecMicro = totalEnergy;



                for (UidTraffic traffic : data) {

                    UidTraffic existingTraffic = mUidTraffic.get(traffic.getUid());