Kirill Korotaev wrote:
Srivatsa,
AFAICS, you wanted to go the way we used in OpenVZ - 2-level scheduling.
However, you don't do any process balancing between runqueues taking
into account
other groups.
The plan is to do load balancing using the smpnice feature, which is yet to be
worked on
From vatsa's comments
"Works only on UP for now (boot with maxcpus=1). IMO group-aware SMP
load-balancing can be met using smpnice feature. I will work on this
feature next."
What do you think about a full runqueue virtualization, so that
first level CPU scheduler could select task-group on any basis and then
arbitrary runqueue was selected for running?
The patch selects the task group first, based on priority. From the patch
"+ /* Pick a task group first */
+#ifdef CONFIG_CPUMETER "
Did I miss something?
Thanks,
Kirill
P.S. BTW, this patch doesn't allow hierarchy in CPU controler.
--
Balbir Singh,
Linux Technology Center,
IBM Software Labs
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