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bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples
From: |
Eli Zaretskii |
Subject: |
bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples |
Date: |
Mon, 08 Feb 2021 17:28:09 +0200 |
> From: Andrey Orst <andreyorst@gmail.com>
> Date: Mon, 8 Feb 2021 17:35:51 +0300
>
> And horizontal scrolling is not laggy with touchpad at all. Well, at least
> rapid left and right swipes on touchpad
> aren't creating enormous cpu usage.
Horizontal scrolling isn't anywhere as expensive as vertical one.
> - scrolling to buffer end (down) is less laggy than scrolling to buffer
> start (up)
> - horizontal scrolling isn't laggy at all
> - this can be achieved with mouse if you roll it with mouse wheel over the
> table very fast
>
> If I can produce more information, maybe stack traces, or more in-depth
> profiling please guide me with some
> instructions. This issue bothered me for about 2 years, just finally decided
> to report it.
Isn't there some way to control the rate with which the touchpad sends
its events to applications? Some system-wide setting, perhaps?
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, (continued)
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Alan Third, 2021/02/07
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Andrey Orst, 2021/02/07
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Alan Third, 2021/02/07
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Andrey Orst, 2021/02/07
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Andrey Orst, 2021/02/08
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Andrey Orst, 2021/02/08
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples,
Eli Zaretskii <=
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Andrey Orst, 2021/02/08
- bug#46350: 28.0.50; touchpad-scrolling-eats-lots-of-cpu-samples, Eli Zaretskii, 2021/02/08