https://bugs.documentfoundation.org/show_bug.cgi?id=155120
Bug ID: 155120
Summary: LO eats up 100% of system resources just for
processing mouse movement
Product: LibreOffice
Version: 7.5.2.2 release
Hardware: x86-64 (AMD64)
OS: macOS (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Draw
Assignee: [email protected]
Reporter: [email protected]
Description:
Draw has become very hard to use as mouse click and mouse release take ~0.5 s
to process. A CPU meter shows that LO keeps the whole machine busy just by
processing mouse movement (no click).
Writer feels slowish too. Here it is WindowServer with ~20% and soffice with
15% just for processing mouse movement (no click).
Steps to Reproduce:
1. open an empty drawing in LibreOffice
2. in parallel, open a CPU gauge tool (e.g. 'top -s1' in a terminal)
3. move the mouse in the SO window while observing CPU readouts
Actual Results:
process 'soffice' consumes 100% of available CPU resources while mouse cursor
is in the LO window
Expected Results:
very low load on CPU
Reproducible: Always
User Profile Reset: Yes
Additional Info:
Version: 7.5.2.2 (X86_64) / LibreOffice Community
Build ID: 53bb9681a964705cf672590721dbc85eb4d0c3a2
CPU threads: 6; OS: Mac OS X 13.3.1; UI render: default; VCL: osx
Locale: de-DE (de_DE.UTF-8); UI: de-DE
Calc: threaded
My machine is a 27" iMac with 5G display and Intel processor:
3 GHz 6-Core Intel Core i5
Radeon Pro 570X 4 GB
OS: 13.3.1 (22E261)
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