Retrieves a #GdkFrameTimings object holding timing information for the current frame or a recent frame. The #GdkFrameTimings object may not yet be complete: see gdk.frame_timings.FrameTimings.getComplete.
the frame counter value identifying the frame to be received.
the #GdkFrameTimings object for the specified frame, or null if it is not available. See gdk.frame_clock.FrameClock.getHistoryStart.
Retrieves a #GdkFrameTimings object holding timing information for the current frame or a recent frame. The #GdkFrameTimings object may not yet be complete: see gdk.frame_timings.FrameTimings.getComplete.