Gdk.FrameClock.get_history_start

### Method

# Gdk FrameClockget_history_start

#### Declaration [src]

    gint64
    gdk_frame_clock_get_history_start (
      GdkFrameClock* frame_clock
    )

#### Description [src]

Returns the frame counter for the oldest frame available in history.

`GdkFrameClock` internally keeps a history of `GdkFrameTimings` objects for recent frames that can be retrieved with `gdk_frame_clock_get_timings()`. The set of stored frames is the set from the counter values given by `gdk_frame_clock_get_history_start()` and `gdk_frame_clock_get_frame_counter()`, inclusive.

#### Return value

Type: `gint64`

The frame counter value for the oldest frame that is available in the internal frame history of the `GdkFrameClock`.