bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples

[Eli Zaretskii]

> From: Andrey Orst <andreyorst@gmail.com>
> Date: Mon, 8 Feb 2021 13:12:09 +0300
> 
> Also, for some reason scrolling to the buffer's end has much less lag 
> compared to scrolling to the beginning
> of the buffer. It's still laggy, but more manageable

Scrolling back to the beginning of buffer is more CPU-intensive,
because the functions used for scrolling can only move forward in the
buffer.  So what you see is quite expected.