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Commit 1b328f67 authored by Jayden Kim's avatar Jayden Kim
Browse files

Record hw scan filter resource exhaustion count 

- hw scan filter is not available
- hw scan filter to track advertisement is not available

Bug: 295587775
Test: atest BluetoothInstrumentationTests
Change-Id: Ia7aefc0746e1becdb227c3de2ffcbe64da6f28b1
parent 1f86922b

android/app/src/com/android/bluetooth/gatt/AppScanStats.java

+12 −0
Original line number Diff line number Diff line
@@ -379,6 +379,18 @@ import java.util.Objects; 
                .cacheCount(BluetoothProtoEnums.LE_SCAN_ABUSE_COUNT_SCAN_TIMEOUT, 1);

    }



    synchronized void recordHwFilterNotAvailableCountMetrics() {

        MetricsLogger.getInstance()

                .cacheCount(BluetoothProtoEnums.LE_SCAN_ABUSE_COUNT_HW_FILTER_NOT_AVAILABLE, 1);

    }



    synchronized void recordTrackingHwFilterNotAvailableCountMetrics() {

        MetricsLogger.getInstance()

                .cacheCount(

                        BluetoothProtoEnums.LE_SCAN_ABUSE_COUNT_TRACKING_HW_FILTER_NOT_AVAILABLE,

                        1);

    }



    static void initScanRadioState() {

        synchronized (sLock) {

            sIsRadioStarted = false;

android/app/src/com/android/bluetooth/gatt/ScanManager.java

+6 −1
Original line number Diff line number Diff line
@@ -1517,6 +1517,7 @@ public class ScanManager { 
                        if (!manageAllocationOfTrackingAdvertisement(trackEntries, true)) {

                            Log.e(TAG, "No hardware resources for onfound/onlost filter "

                                    + trackEntries);

                            client.stats.recordTrackingHwFilterNotAvailableCountMetrics();

                            try {

                                mService.onScanManagerErrorCallback(scannerId,

                                        ScanCallback.SCAN_FAILED_INTERNAL_ERROR);
@@ -1614,7 +1615,11 @@ public class ScanManager { 
            if (client.filters == null || client.filters.isEmpty()) {

                return true;

            }

            return client.filters.size() > mFilterIndexStack.size();

            if (client.filters.size() > mFilterIndexStack.size()) {

                client.stats.recordHwFilterNotAvailableCountMetrics();

                return true;

            }

            return false;

        }



        private void initFilterIndexStack() {