https://bugs.kde.org/show_bug.cgi?id=422306
--- Comment #4 from MountainX <davestechs...@gmail.com> --- > the problem should be obvious using a flamegraph tool such as > https://github.com/KDAB/hotspot This looks interesting. A lot of it is over my head, but I am willing to give it a try. > pay attention to its caveat (super user rights) I don't understand the steps at https://github.com/KDAB/hotspot#recording-with-perf-without-super-user-rights Here are some questions I have: >> This is achieved by applying these steps, bundled into a script that is run >> via kdesudo or kdesu. Do I run `kdesudo elevate_perf_privileges.sh` before launching the HotSpot tool? > Using Hotspot: First of all, record some data with perf. To get backtraces, > you will need to enable the dwarf callgraph mode: >> perf record --call-graph dwarf <your application> What are the exact steps I would need to do? Is this correct? 1. kdesudo elevate_perf_privileges.sh 2. perf record --call-graph dwarf dolphin 3. open the HotSpot GUI? > It would need the debug symbols still to be useful I don't think I will be able to compile packages from source. Is it still worth doing any of this? I will proceed even without debug symbols if this will allow me to see if Dolphin is being slowed by a configuration in my user profile (such as some *rc file) or by something like a large list of recently used files, etc. If the information will be granular enough to allow me to learn something, I will proceed to investigate even without being able to compile the executable with debug symbols. On the other hand, if it is a complete waste of my time, let me know and we'll have to hope somebody with more skills can provide the debug info. > How many files or folders does your home folder contain? 183 at level 1 using 'wc -l' Setting Dolphin to open at another location doesn't affect the issue. > Does this happen when dolphin or the kde file dialog open any directory at > launch ? Yes. > Do you have many symlinks in your home ? No. > Do you have network drives ? If yes how many ? Yes. Around 10 NFS mounts. > Is it reproducible under Wayland ? I can't answer that. > Do you use Arch as well ? With same version ? Yes, I am running Arch. My current Dolphin version is 20.04.1. -- You are receiving this mail because: You are watching all bug changes.
