> On 12. Aug 2019, at 18:16, Lennart Poettering <mzerqung@xxxxxxxxxxx> wrote: > > On Mo, 12.08.19 09:40, Chris Murphy (lists@xxxxxxxxxxxxxxxxx) wrote: > >> How to do this automatically? Could there be a mechanism for the >> system and the requesting application to negotiate resources? > > Ideally, GNOME would run all its apps as systemd --user services. We > could then set DefaultMemoryHigh= globally for the systemd --user > instance to some percentage value (which is taken relative to the > physical RAM size). This would then mean every user app individually > could use — let's say — 75% of the physical RAM size and when it wants > more it would be penalized during reclaim compared to apps using less. > > If GNOME would run all apps as user services we could do various other > nice things too. For example, it could dynamically assign the fg app > more CPU/IO weight than the bg apps, if the system is starved of > both. I really like the ideas. Why isn’t this done this way anyway? I don’t have a GNOME desktop at hand right now to investigate how GNOME starts applications and so on but aren’t new processes started by the user — GNOME or not — always children of the user.slice? Is there a difference if I start a GNOME application or a normal process from my shell? And for the beginning, wouldn’t it be enough to differentiate between user slices and system slice and set DefaultMemoryHigh= in a way to make sure there is always some headroom left for the system? BK (… I definitely need to play around with Silverblue to learn what they are doing.) _______________________________________________ devel mailing list -- devel@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to devel-leave@xxxxxxxxxxxxxxxxxxxxxxx Fedora Code of Conduct: https://docs.fedoraproject.org/en-US/project/code-of-conduct/ List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines List Archives: https://lists.fedoraproject.org/archives/list/devel@xxxxxxxxxxxxxxxxxxxxxxx
