Hello,
I'm trying to configure statically some basic scheduling parameters
using the /etc/cgconfig.conf file, so that the overall configuration is
automatically done at boot-time.
Basically, I need to configure such entries as:
cpu.rt_task_period_us
cpu.rt_task_runtime_us
cpu.rt_period_us
cpu.rt_runtime_us
both in the root group and in a subgroup. However, from the shell I
would need to exec those echo commands in a proper order, otherwise it
fails (I need to configure runtime and period figures for the real-time
multi-processor scheduler [1] developed in the context of IRMOS [2],
just in case anyone is curious, because -- unfortunately -- it uses this
kind of "interface" towards the user-space).
So, my question is: what is the ordering by which cgconfig.conf entries
are processed by cgconfigparser ? Is it fixed ? Is it subject to change
into the future ? Should I drop the use of libcgroup at all for this
kind of settings ?
Thanks, bye,
Tommaso
[1] http://lkml.org/lkml/2009/6/15/510
[2] http://www.irmosproject.eu/
--
Tommaso Cucinotta, Computer Engineering PhD, Researcher
ReTiS Lab, Scuola Superiore Sant'Anna, Pisa, Italy
Tel +39 050 882 024, Fax +39 050 882 003
http://retis.sssup.it/people/tommaso
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