Bug 122852 - Dragging a textbox around is utilizing one core
Summary: Dragging a textbox around is utilizing one core
Status: NEW
Alias: None
Product: LibreOffice
Classification: Unclassified
Component: Writer (show other bugs)
(earliest affected)
Inherited From OOo
Hardware: All All
: medium minor
Assignee: Not Assigned
Keywords: haveBacktrace, perf
Depends on:
Blocks: Textbox
  Show dependency treegraph
Reported: 2019-01-21 13:00 UTC by Telesto
Modified: 2021-09-10 18:30 UTC (History)
1 user (show)

See Also:
Crash report or crash signature:
Regression By:

Example file (91.83 KB, application/vnd.oasis.opendocument.text)
2019-01-21 13:00 UTC, Telesto
Callgrind output from master (1.46 MB, application/x-xz)
2019-01-27 18:52 UTC, Buovjaga

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Description Telesto 2019-01-21 13:00:16 UTC
Dragging a textbox around is utilizing one core. A small slowdown (sluggishness) will be noticeable with a fill background

Steps to Reproduce:
1. Open the attached file
2. Drag the textbox around and monitor CPU usage

Actual Results:
25% utilization of one core

Expected Results:
A bit more efficient

Reproducible: Always

User Profile Reset: No

Additional Info:
Build ID: 6740443311268b7d918bf4f43134d64fb78a0109
CPU threads: 4; OS: Windows 6.3; UI render: default; VCL: win; 
TinderBox: Win-x86@42, Branch:master, Time: 2019-01-15_23:37:04
Locale: nl-NL (nl_NL); UI-Language: en-US
Calc: CL
Comment 1 Telesto 2019-01-21 13:00:37 UTC
Created attachment 148474 [details]
Example file
Comment 2 Durgapriyanka 2019-01-23 16:42:46 UTC
Thank you for reporting this bug. I can confirm this with

Build ID: 3c964980da07892a02d5ac721d80558c459532d0
CPU threads: 2; OS: Windows 6.1; UI render: default; VCL: win; 
TinderBox: Win-x86@42, Branch:master, Time: 2018-12-12_02:07:45
Locale: en-US (en_US); UI-Language: en-US
Calc: threaded
Comment 3 Buovjaga 2019-01-27 18:52:34 UTC
Created attachment 148691 [details]
Callgrind output from master

Arch Linux 64-bit
Build ID: dee9ad9fdca594993190e2f79ca4696f9adf6b48
CPU threads: 8; OS: Linux 4.20; UI render: default; VCL: gtk3; 
Locale: fi-FI (fi_FI.UTF-8); UI-Language: en-US
Calc: threaded
Built on 27 January 2019