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Dear all, I want to setup a privileged container, which means I can set the priority of a process to SCHED_RR (real-time) dynamically by calling sched_setscheduler() in a C program running on a container. In my system (host: fedora19, container: fedora19, libvirt 1.2.5), my C code reports “operation not permitted” when sched_setscheduler() is called. I found a link (https://www.redhat.com/archives/libvir-list/2014-June/msg00562.html) which is talking about container capability drops
and keeps, but only “nice” is mentioned and I don’t know how to turn on “priority” feature on a container? Any comments are highly appreciated. Cheng |
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