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Message #01500
[Bug 1227710] Re: unity-panel-service consumes 100% of my CPU for 8 seconds to while waiting for a global menu to open
Also, unity-panel-service's heap is growing quite rapidly too:
Per Process Memory (K):
PID Process Type Size RSS PSS
2776 unity-panel-service Stack 16520 108 108
2776 unity-panel-service Heap 429272 74504 74504
2776 unity-panel-service Mapped 503844 259460 250964
Change in memory (K/second):
PID Process Type Size RSS PSS
2776 unity-panel-service Mapped 83.60 83.93 83.97 (growing moderately fast)
Is 75.5Mb of heap really required? You could fit a small OS in that :-)
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https://bugs.launchpad.net/bugs/1227710
Title:
unity-panel-service consumes 100% of my CPU for 8 seconds to while
waiting for a global menu to open
Status in “unity” package in Ubuntu:
New
Bug description:
When opening a libreoffice calc menu nothing happens for 8 seconds.
Using "top" one can observe that unity-panel-service is pegging one of
my CPUs at 100%. This is 100% repeatable. Just start libreoffice,
open the menu. Opening the menu thereafter is often faster. But from
a clean start of libreoffice one can always trigger this issue.
Attached is a video showing the delay in opening a menu. I'm running
in a 2.5 Ghz i5 CPU, so 8 seconds equates to 20 billion clock cycles
to open a menu.
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References