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eg. why no > sporadic? and such... Maybe I am misunderstanding your question, anyway: the file is called "rt_runtime_us", but the scheduling algorithm used to schedule the cgroup is SCHED_DEADLINE. So, we do not use a strictly periodic server, but a CBS, that can also support sporadic / non-periodic activations. Luca > > > Signed-off-by: luca abeni > > Signed-off-by: Yuri Andriaccio > > --- > > kernel/sched/core.c | 12 ++++++++++++ > > 1 file changed, 12 insertions(+) > > > > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > > index 0c7032d254ba..3ffe3ac5071d 100644 > > --- a/kernel/sched/core.c > > +++ b/kernel/sched/core.c > > @@ -10245,6 +10245,18 @@ static struct cftype cpu_files[] = { > > .write = cpu_uclamp_max_write, > > }, > > #endif /* CONFIG_UCLAMP_TASK_GROUP */ > > +#ifdef CONFIG_RT_GROUP_SCHED > > + { > > + .name = "rt_runtime_us", > > + .read_s64 = cpu_rt_runtime_read, > > + .write_s64 = cpu_rt_runtime_write, > > + }, > > + { > > + .name = "rt_period_us", > > + .read_u64 = cpu_rt_period_read_uint, > > + .write_u64 = cpu_rt_period_write_uint, > > + }, > > +#endif /* CONFIG_RT_GROUP_SCHED */ > > { } /* terminate */ > > }; > > > > -- > > 2.53.0 > >