log

<uml> participant Application as APP queue “Circular Buffer\nNRF_LOG_BUFSIZE” as CB queue “log_mempool\ndynamic memory pool” as MEM control “nrf_log_frontend_dequeue()” as DE note over MEM NRF_LOG_MSGPOOL_ELEMENT_SIZE

• *x NRF_LOG_MSGPOOL_ELEMENT_COUNT**

endnote control “backend RTT” as B1 control “backend UART” as B2 control “backend x” as B3

APP → CB: NRF_LOG_INFO() activate CB APP → CB: NRF_LOG_DEBUG() activate CB APP → CB: NRF_LOG_HEXDUMP() activate CB … APP → DE: NRF_LOG_PROCESS() activate DE DE ←- MEM: nrf_memobj_alloc() activate MEM activate DE CB –> DE: pop one entry deactivate CB DE –> DE: copy entry to allocated\nmempool object DE ←- DE: backend1:\ncheck filters and status DE –> B1: mempool object DE ←- DE: backend2:\ncheck filters and status DE –> B2: mempool object DE ←- DE: backend3:\ncheck filters and status DE –> B3: mempool object MEM ←- DE: nrf_memobj_put() deactivate MEM DE –> APP: return “circular buffer is empty” deactivate DE deactivate DE </uml>