Dataflash log recording frequency

Hi all.

I’m using a Cubeblack with arducopter 3.6.9. Here’s the question: what’s frequency dataflash telemetry is recorded? I found no reference to that in the wiki, only rates out of mavlink heartbeats from serial ports.

Depends on the message being written. RC input and output might be
written at 10Hz where text messages are written when the code wants to do