esp-idf/components/esp_event/Kconfig

menu "Event Loop Library"

    config EVENT_LOOP_PROFILING
        bool "Enable event loop profiling"
        default n
        help
            Enables collections of statistics in the event loop library such as the number of events posted
            to/recieved by an event loop, number of callbacks involved, number of events dropped to to a full event
            loop queue, run time of event handlers, and number of times/run time of each event handler.

endmenu