gdk:frame-clock-timings (clock counter)

clock -- a gdk:frame-clock object
counter -- an unsigned integer for the frame counter value identifying the frame to be received

The gdk:frame-timings instance for the specified frame, or nil if it is not available. See the gdk:frame-clock-history-start function.

Retrieves a gdk:frame-timings instance holding timing information for the current frame or a recent frame. The gdk:frame-timings instance may not yet be complete. See the gdk:frame-timings-complete function.