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Message #56578
[Bug 1422898] Re: Excessive CPU usage, even when the screen is turned off
we're leaking timers as crazy in unity8
start unity8 and it has 3 timers
now start unity8-dash and unity8 goes to 189 timers
now refresh the apps scope
and unity8 goes to 341 timers
which is very funny given unity8 doesn't really have anything to do with unity8-dash being refreshed
and it goes up with every dash refresh, eventually spending lots of cpu in just handling the timers
Need to verify where all those timers are coming from
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Touch seeded packages, which is subscribed to unity8 in Ubuntu.
https://bugs.launchpad.net/bugs/1422898
Title:
Excessive CPU usage, even when the screen is turned off
Status in unity8 package in Ubuntu:
Confirmed
Bug description:
Since mako image r102 (vivid-proposed), the CPU usage of Unity8 is very excessive and increasing over time.
After boot, the phone runs smooth but after some time it lags heavily.
As you can see from the attached output of the "top" command, Unity8
consumes 23% of CPU power when the screen is TURNED OFF (command run
via adb). When the screen is on, this figure is much higher and
sometimes rises up to 60%.
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References