Unable to get network core logs on RTT viewer for DTM sample

Hello,

I am unable to get logs of DTM sample  direct_test_mode  using RTT. I added similar logs in blinky sample, that logs shows up on RTT viewer so HW is working OK. Double checked instruction mentioned test_and_optimize.

1. How to debug and fix this logging issue ?

2. Can both cores use RTT logging at the same time ?

3. What's the limitation of RTT logger method compare to UART ? I need to uses these as we exhausted all four peripherals ( 2 I2C, SPI,  external UART )

4. Looks like I need to reconnect Terminal every time board restarts, is that expected ? can we have auto reconnect ?

attached generated configuration of sample.

 

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CONFIG_DTM_RADIO_IRQ_PRIORITY=2
CONFIG_DTM_TIMER_IRQ_PRIORITY=3
# CONFIG_DTM_USB is not set
CONFIG_GPIO=y
# CONFIG_KSCAN is not set
# CONFIG_INPUT is not set
# CONFIG_WIFI is not set
# CONFIG_SPI is not set
CONFIG_GPIO_INIT_PRIORITY=40
# CONFIG_UHC_DRIVER is not set
# CONFIG_REGULATOR is not set
# CONFIG_SENSOR is not set
# CONFIG_WATCHDOG is not set
# CONFIG_MODEM is not set
# CONFIG_DISPLAY is not set
# CONFIG_I2C is not set
CONFIG_BOARD="nrf5340dk_nrf5340_cpunet"
CONFIG_FLASH_LOAD_SIZE=0
CONFIG_SRAM_SIZE=64
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

Thanks,

Darshan