On Thu, Jan 20, 2011 at 9:34 PM, <fons@xxxxxxxxxxxxxxx> wrote: > After years of problems and frustration,for the last two or > three years we (the people using such audio apps on Linux) > have finally got a system that allows normal users to do this > (using ulimits and just two lines in /etc/security/limits.conf > giving members of the 'audio' group the required privileges). > > So here's my question: will a system using systemd still allow > this, *without* requiring source modifications to each and every > application (to join a specific cgroup), and *whitout* every > application requiring real-time or memory locks to be 'registered' > somewhere ? As far as I've understood it would not. Which would > make systemd an absolute no-go for users requiring this. Note that grouping processes using cgroups does not imply having to use the group scheduler . IIRC systemd uses a debugging hierarchy by default which does not affect program resources.