Description: When moving a (empty) page around (scrolling horizontally or vertically) the CPU usage quite excessive on a Mac. I haven't seen the same behavior on Windows. Steps to Reproduce: 1.Scrolling up and down, left and right 2. 3. Actual Results: High CPU usage when scrolling Expected Results: Low CPU usage when scrolling Reproducible: Always User Profile Reset: YES Additional Info: User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_1) AppleWebKit/602.2.14 (KHTML, like Gecko) Version/10.0.1 Safari/602.2.14
Created attachment 128657 [details] Screen Recording
Created attachment 128658 [details] LLDB Backtrace with debug symbols A backtrace taken at the moment the CPU-usage spikes.
Created attachment 128659 [details] LLDB Backtrace with debug symbols
Almost forgotten. I did the debugging with: Version: 5.3.0.0.alpha1+ Build ID: 64a708cba9b954afe3331f63c58218eb53b3d0ce CPU Threads: 4; OS Version: Mac OS X 10.12.1; UI Render: default; Layout Engine: new; Locale: en-US (en_US.UTF-8); Calc: group I also tested LO 5.2.3.1 and 4.3.7.2 with same results.
I also found it in LibreOffice 3.3.0.4 and OpenOffice 4.1.3
Dragging around a shape or symbol (for example a smiley face) has the same effect.
scrolling wild with trackpad (up down left right) on a late 2012 imac continuously adds to CPU usage. went up from idle to 40% and after continuing for some time (~20 sec) to 90%. as soon as user stops to scroll around, CPU goes back to normal. confirmed → NEW
The same issue also exists in Writer
Within the backtrace I noticed: - "cannot write pidfile " - "cannot open pidfile " - "cannot get pidfile URL from path"
** Please read this message in its entirety before responding ** To make sure we're focusing on the bugs that affect our users today, LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed bugs which have not been touched for over a year. There have been thousands of bug fixes and commits since anyone checked on this bug report. During that time, it's possible that the bug has been fixed, or the details of the problem have changed. We'd really appreciate your help in getting confirmation that the bug is still present. If you have time, please do the following: Test to see if the bug is still present with the latest version of LibreOffice from https://www.libreoffice.org/download/ If the bug is present, please leave a comment that includes the information from Help - About LibreOffice. If the bug is NOT present, please set the bug's Status field to RESOLVED-WORKSFORME and leave a comment that includes the information from Help - About LibreOffice. Please DO NOT Update the version field Reply via email (please reply directly on the bug tracker) Set the bug's Status field to RESOLVED - FIXED (this status has a particular meaning that is not appropriate in this case) If you want to do more to help you can test to see if your issue is a REGRESSION. To do so: 1. Download and install oldest version of LibreOffice (usually 3.3 unless your bug pertains to a feature added after 3.3) from http://downloadarchive.documentfoundation.org/libreoffice/old/ 2. Test your bug 3. Leave a comment with your results. 4a. If the bug was present with 3.3 - set version to 'inherited from OOo'; 4b. If the bug was not present in 3.3 - add 'regression' to keyword Feel free to come ask questions or to say hello in our QA chat: https://kiwiirc.com/nextclient/irc.freenode.net/#libreoffice-qa Thank you for helping us make LibreOffice even better for everyone! Warm Regards, QA Team MassPing-UntouchedBug
Dear Telesto, To make sure we're focusing on the bugs that affect our users today, LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed bugs which have not been touched for over a year. There have been thousands of bug fixes and commits since anyone checked on this bug report. During that time, it's possible that the bug has been fixed, or the details of the problem have changed. We'd really appreciate your help in getting confirmation that the bug is still present. If you have time, please do the following: Test to see if the bug is still present with the latest version of LibreOffice from https://www.libreoffice.org/download/ If the bug is present, please leave a comment that includes the information from Help - About LibreOffice. If the bug is NOT present, please set the bug's Status field to RESOLVED-WORKSFORME and leave a comment that includes the information from Help - About LibreOffice. Please DO NOT Update the version field Reply via email (please reply directly on the bug tracker) Set the bug's Status field to RESOLVED - FIXED (this status has a particular meaning that is not appropriate in this case) If you want to do more to help you can test to see if your issue is a REGRESSION. To do so: 1. Download and install oldest version of LibreOffice (usually 3.3 unless your bug pertains to a feature added after 3.3) from https://downloadarchive.documentfoundation.org/libreoffice/old/ 2. Test your bug 3. Leave a comment with your results. 4a. If the bug was present with 3.3 - set version to 'inherited from OOo'; 4b. If the bug was not present in 3.3 - add 'regression' to keyword Feel free to come ask questions or to say hello in our QA chat: https://kiwiirc.com/nextclient/irc.freenode.net/#libreoffice-qa Thank you for helping us make LibreOffice even better for everyone! Warm Regards, QA Team MassPing-UntouchedBug
macOS 11.5.2 LO 7.2.0.4 1. open calc 2. scroll up / down or left / right continuously with trackpad 3. CPU goes to 96% Fans do not spin up, but CPU usage at that level probably not expected.
(In reply to steve from comment #12) > macOS 11.5.2 > LO 7.2.0.4 > > 1. open calc > 2. scroll up / down or left / right continuously with trackpad > 3. CPU goes to 96% > > Fans do not spin up, but CPU usage at that level probably not expected. More interested how the Skia Raster backend behaves :-). I would expect this to be fixed
Please try this with a developer build from https://dev-builds.libreoffice.org/daily/master/ [*]. Check with option Tools->Options->View->Use Skia for all rendering both enabled and disabled, and when enabled with both Force Skia software rendering enabled and disabled. [*] Today's build may still have some rendering problems in dialogs, so tomorrow's should be better, but even today's should be usable for testing this bug.
✓ Use Skia for all rendering ✓ Force Skia software rendering Scrolling: CPU ~94% ✓ Use Skia for all rendering x Force Skia software rendering Scrolling: CPU ~12% x Use Skia for all rendering x Force Skia software rendering Scrolling: CPU ~100% Fair to call this fixed, Luboš? Telesto?
30-40% of CPU using in Version: 7.3.0.0.alpha1+ / LibreOffice Community Build ID: 11800469cc7b3a40c42410be93a12e5107db0efb CPU threads: 4; OS: Mac OS X 10.16; UI render: Skia/Raster; VCL: osx Locale: ru-RU (ru_RU.UTF-8); UI: en-US Calc: threaded + - the same without Skia Version: 7.3.0.0.alpha1+ / LibreOffice Community Build ID: 11800469cc7b3a40c42410be93a12e5107db0efb CPU threads: 4; OS: Mac OS X 10.16; UI render: default; VCL: osx Locale: ru-RU (ru_RU.UTF-8); UI: en-US Calc: threaded mac mini 2014, fullHD display
@Roman: could you also test the third option "Skia/Metal" which translates to Preferences > View > Skia enabled (but force skia software disabled).
(In reply to steve from comment #17) > @Roman: could you also test the third option "Skia/Metal" which translates > to Preferences > View > Skia enabled (but force skia software disabled). around 20% CPU load in Version: 7.4.0.0.alpha0+ / LibreOffice Community Build ID: 2934472ab888ebfe64a153984af2902fac63a7a0 CPU threads: 4; OS: Mac OS X 10.16; UI render: Skia/Metal; VCL: osx Locale: ru-RU (ru_RU.UTF-8); UI: en-US Calc: threaded
Dear Telesto, To make sure we're focusing on the bugs that affect our users today, LibreOffice QA is asking bug reporters and confirmers to retest open, confirmed bugs which have not been touched for over a year. There have been thousands of bug fixes and commits since anyone checked on this bug report. During that time, it's possible that the bug has been fixed, or the details of the problem have changed. We'd really appreciate your help in getting confirmation that the bug is still present. If you have time, please do the following: Test to see if the bug is still present with the latest version of LibreOffice from https://www.libreoffice.org/download/ If the bug is present, please leave a comment that includes the information from Help - About LibreOffice. If the bug is NOT present, please set the bug's Status field to RESOLVED-WORKSFORME and leave a comment that includes the information from Help - About LibreOffice. Please DO NOT Update the version field Reply via email (please reply directly on the bug tracker) Set the bug's Status field to RESOLVED - FIXED (this status has a particular meaning that is not appropriate in this case) If you want to do more to help you can test to see if your issue is a REGRESSION. To do so: 1. Download and install oldest version of LibreOffice (usually 3.3 unless your bug pertains to a feature added after 3.3) from https://downloadarchive.documentfoundation.org/libreoffice/old/ 2. Test your bug 3. Leave a comment with your results. 4a. If the bug was present with 3.3 - set version to 'inherited from OOo'; 4b. If the bug was not present in 3.3 - add 'regression' to keyword Feel free to come ask questions or to say hello in our QA chat: https://web.libera.chat/?settings=#libreoffice-qa Thank you for helping us make LibreOffice even better for everyone! Warm Regards, QA Team MassPing-UntouchedBug
There were recently fixed for skia when scrolling on macOS