On Tue, 15 Feb 2011 09:52:51 +0200 Zvi Dubitzky <DUBI@xxxxxxxxxx> wrote: > Hi > > I was asking about the fedora 14 kernel if it is good enough for cgroup > usage because > I am trying to set a cgroup under cpu subsytem ( /dev/cgroup/cpu/group1/ > ) that have /cpu.rt_runtime_us of 100000 > while cpu.rt_period_us has a value of 1000000 i.e a ratio of 1/10 . still > when I run a task (endless loop) in that group > (cgexec -g cpu,cpuset:group1 ./test) it gets all the cpu core time that > is assigned to it ( i watch via top utility) , so it seems > that the quota set via the group does not take effect although I restart > the cgconfig service . > I also verified libcgroup is installed by: rpm -q libcgroup > > Am I missing something or top is not the right utility to watch the cpu > usage in this case ? > rt_runtime_us and rt_period_us are parameters for handling realtime class (SCHED_RR, SCHED_FIFO) applications. Does your 'test' run in which priority ? (see sched_setscheduler()) Thanks, -Kame > thanks > > Zvi Dubitzky > Email:dubi@xxxxxxxxxx > > > _______________________________________________ > libvirt-users mailing list > libvirt-users@xxxxxxxxxx > https://www.redhat.com/mailman/listinfo/libvirt-users >
