CPU usage during spread animation:
OTA-9: 60%
OTA-10: 70%
So that's a noticeable increase but not an indication we're CPU bound at all.
We are close to being CPU bound, but OTA-10 isn't that much worse than OTA-9's
CPU usage.
The relatively low increase in CPU usage, high increase in render time,
and sensitivity to viewport clipping (comment #21) all point to the
regression being in the GPU load (Qt/QML/shaders).
** Changed in: qtmir
Status: New => Confirmed
** Summary changed:
- [regression] [OTA-10] Right edge switcher stutters badly with only a few apps
opened
+ [regression] [OTA-10] Spread animation stutters badly with only a few apps
opened
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Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1563287
Title:
[regression] [OTA-10] Spread animation stutters badly with only a few
apps opened
Status in Canonical System Image:
Confirmed
Status in Mir:
New
Status in QtMir:
Confirmed
Status in qtmir package in Ubuntu:
Confirmed
Status in unity8 package in Ubuntu:
Confirmed
Bug description:
Regression in OTA-10:
tested on krillin and arale on rc-proposed.
also I tried the fix for bug 1556763 but that's not related to this as well.
The right edge switcher on both krillin and arale stutter when I drag
it from the right edge and then swipe through the list of opened
windows.
This was not the case a few months ago, so we clearly regressed here.
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https://bugs.launchpad.net/canonical-devices-system-image/+bug/1563287/+subscriptions
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