MEM

9272 QCamera3HardwareInterface::initCapabilities

1061776 QCamera3HardwareInterface::initParameters

33296 QCamera3Channel::addStream 4个

1061824 QCamera3MetadataChannel::getStreamBufs 18个

491520 QCamera3SupportChannel::getStreamBufs 18个

QCamera3Channel.h #define MIN_STREAMING_BUFFER_NUM 7+11

19570688 QCamera3PicChannel::getStreamBufs 6个

stack/common/cam_types.h #define MAX_INFLIGHT_REQUESTS 6

146588552：139.7M

int QCamera3HeapMemory::allocate(uint32_t count, size_t size, bool queueAll)

{

    unsigned int heap_id_mask = 0x1 << ION_IOMMU_HEAP_ID;

    int rc = alloc(count, size, heap_id_mask);

   for (uint32_t i = 0; i < count; i ++) {

        void *vaddr = mmap(NULL,

                    mMemInfo[i].size,

                    PROT_READ | PROT_WRITE,

                    MAP_SHARED,

                    mMemInfo[i].fd, 0);

        if (vaddr == MAP_FAILED) {

        } else

            mPtr[i] = va

}