Hi Longman,
> > From: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>
> >
> > If the cpu controller is enabled in a CONFIG_RT_GROUP_SCHED
> > disabled setting, cpu.stat and cpu.pressure account for realtime
> > processes, and cpu.uclamp.{min, max} affect realtime processes as well.
> > None of the other interface files are affected by or affect realtime
> > processes.
> >
> > Signed-off-by: Shashank Balaji <shashank.mahadasyam@xxxxxxxx>
> > ---
> > Documentation/admin-guide/cgroup-v2.rst | 18 +++++++++++++-----
> > 1 file changed, 13 insertions(+), 5 deletions(-)
> >
> > diff --git a/Documentation/admin-guide/cgroup-v2.rst b/Documentation/admin-guide/cgroup-v2.rst
> > index f293a13b42ed69e7c6bf5e974cb86e228411af4e..2c267f42e5fef9c4e2c3530ce73330d680b9b2dc 100644
> > --- a/Documentation/admin-guide/cgroup-v2.rst
> > +++ b/Documentation/admin-guide/cgroup-v2.rst
> > @@ -1095,7 +1095,9 @@ realtime processes irrespective of CONFIG_RT_GROUP_SCHED.
> > CPU Interface Files
> > ~~~~~~~~~~~~~~~~~~~
> >
> > -All time durations are in microseconds.
> > +All time durations are in microseconds. Only cpu.stat and cpu.pressure account
> > +for realtime processes, and only cpu.uclamp.min and cpu.uclamp.max
> > +affect realtime processes.
> >
> > cpu.stat
> > A read-only flat-keyed file.
> > @@ -1115,6 +1117,9 @@ All time durations are in microseconds.
> > - nr_bursts
> > - burst_usec
> >
> > + The runtime of realtime processes is accounted for only by the usage_usec,
> > + user_usec, and system_usec fields.
> > +
>
> Alignment problem!
>
> Anyway, I am not familiar enough with these cpu control files to give a
> review yet.
>
> Cheers,
> Longman
My bad, I'll fix the alignment.
Thanks,
Shashank
