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xen-devel
Re: [Xen-devel] [PATCH] Getting and setting SEDF scheduling parameters
John L Griffin wrote:
This patch addresses three problems in the function sedf_adjdom():
3) The code logic in this function is cryptic, and there is not much
documentation on how the scheduling parameters should be used. The
attached patch adds comments to the sedf_adjdom() function, and
reorders/rewrites the logic of the SCHED_INFO_PUT handling to make the
code more self-documenting.
I know, the main problem is, that there are quite a number of different
interpretations for some of the values, depending on the others. This
caused some cryptic code as you point out properly, which I wasn't
really happy with!
Stephan
Note that this patch makes strong assumptions about how the scheduling
parameters are used. So, I recommend someone take a really close look at
my comments to make sure I've preserved the Xen team's intentions for how
the SEDF scheduler works. :-)
Signed-off-by: jlg@xxxxxxxxxx
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