https://bugs.documentfoundation.org/show_bug.cgi?id=104778
Bug ID: 104778
Summary: CPU usage spikes every time when selecting single or
multiple drawing items (because immense disk query's)
Product: LibreOffice
Version: 5.0.0.5 release
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: major
Priority: medium
Component: Draw
Assignee: libreoffice-bugs@lists.freedesktop.org
Reporter: tele...@surfxs.nl
Description:
The issue exists throughout LibO, but is the most noticeable in Draw because
the objects in use. When selecting multiple items, for every item separately
system files are accessed (probably related to the sidebar/deck). CPU usage
will be between 10-15% when selecting 6 items. But with 2 it's already
noticeable. Selecting a simple item uses already 5%
I observed the the same behavior in Writer, when right clicking Edit Styles
(but it's nothing compared the problems it causes in Draw). Same fiels get read
3 or 4 times.
It's similar to bug 104696 and causes at least bug 104312
Steps to Reproduce:
1.Open attached file
2.Select all the items with a selection frame (drag a large rectangle) and or
select individual items
Actual Results:
CPU usage will increase to around 10-15% with multiple files. Clicking a single
file will use around 8%
Expected Results:
It used to be around 2-3% in LibO4.0.0.3 for single and multiple item.
Reproducible: Always
User Profile Reset: No
Additional Info:
Found in
Version: 5.4.0.0.alpha0+
Build ID: 53edf60c4ce6ed32f87471e018878c40b788005a
CPU Threads: 4; OS Version: Windows 6.19; UI Render: default;
TinderBox: Win-x86@42, Branch:master, Time: 2016-12-18_06:57:59
Locale: nl-NL (nl_NL); Calc: CL
and in
Versie: 5.3.0.0.beta1 (x64)
Build ID: 690f553ecb3efd19143acbf01f3af4e289e94536
CPU Threads: 4; Versie besturingssysteem:Windows 6.19; UI Render: standaard;
Layout Engine: new;
Locale: nl-NL (nl_NL); Calc: CL
also in (but a bit more acceptable; single file uses 2%, multiple 12%)
Version: 5.0.0.5
Build ID: 1b1a90865e348b492231e1c451437d7a15bb262b
Locale: en-US (nl_NL)
User-Agent: Mozilla/5.0 (Windows NT 6.2; WOW64; rv:45.0) Gecko/20100101
Firefox/45.0
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