Merge "Repeat proxy limit callback only when exceeding high threshold again." am: 7fb82c33

// Another arbitrary value a binder count needs to drop below before another callback will be called

uint32_t BpBinder::sBinderProxyCountLowWatermark = 2000;

// Once the limit has been exceeded, keep calling the limit callback for every this many new proxies

// created over the limit.

constexpr uint32_t REPEAT_LIMIT_CALLBACK_INTERVAL = 1000;

enum {

    LIMIT_REACHED_MASK = 0x80000000,        // A flag denoting that the limit has been reached

    COUNTING_VALUE_MASK = 0x7FFFFFFF,       // A mask of the remaining bits for the count value

            uint32_t lastLimitCallbackAt = sLastLimitCallbackMap[trackedUid];

            if (trackedValue > lastLimitCallbackAt &&

                (trackedValue - lastLimitCallbackAt > REPEAT_LIMIT_CALLBACK_INTERVAL)) {

                (trackedValue - lastLimitCallbackAt > sBinderProxyCountHighWatermark)) {

                ALOGE("Still too many binder proxy objects sent to uid %d from uid %d (%d proxies "

                      "held)",

                      getuid(), trackedUid, trackedValue);