Some observations:
* For me, this happens only when the Bluetooth page in systemsettings is opened.
* Doesn't matter if windowed or staged mode
* Happens on all devices
turns out the Bluetooth Page in systemsettings is animating 3
ActivityIndicators even when they are not visible.
Not sure how
Perhaps the UITK should be added to. The ActivityIndicator should not
calculate the animations all the when visible is false.
Marking unity8 as invalid as this is what it takes to constantly render
an animated app surface. It might be improved in QtMir, but not much
that unity8 can do about it.
** Changed in: mir
Importance: Undecided => Critical
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https://bugs.launchpad.net/bugs/1513450
Title:
higher than expected cpu for unity8
Status in
** Description changed:
running in window mode, open u-s-s, run top
unity8 running at ~40% cpu on N7 cpu freq ~1GHz
no monitor attached
+
+ note: testing with silo 18 of mir containing
+ lp:~albaguirre/mir/fix-1499039
** Description changed:
running in window mode, open u-s-s, run
Testing mir_demo_server_minimal with mir_demo_client_egltriangle, I'm
seeing 30% CPU usage by the mir server just drawing a single spinny
triangle.
Testing a simple QML demo shell, we get same CPU usage as mir. So
punting to Mir team for investigation.
** Also affects: mir
Importance:
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