[dpdk-dev] [PATCH v8 3/4] doc/guides/proguide/power-man: update the power API

Kovacevic, Marko marko.kovacevic at intel.com
Tue Sep 25 14:44:26 CEST 2018


> > Update the document for empty poll API.
> >
> > Signed-off-by: Liang Ma <liang.j.ma at intel.com>
> > ---
> >  doc/guides/prog_guide/power_man.rst | 90
> > +++++++++++++++++++++++++++++++++++++
> >  1 file changed, 90 insertions(+)
> >
> > diff --git a/doc/guides/prog_guide/power_man.rst
> > b/doc/guides/prog_guide/power_man.rst
> > index eba1cc6..056cb12 100644
Sending an email to fix my mistake I made to a fix.

> > +For packet processing workloads such as DPDK polling is continuous.
> > +This means CPU cores always show 100% busy independent of how much
> > work
> > +those cores are doing. It is critical to accurately determine how
> > +busy a core is hugely important for the following reasons:
> > +
> > +        * No indication of overload conditions
> > +        * User do not know how much real load is on a system meaning
> > +          resulted in wasted energy as no power management is
> > + utilized
> 
> User does not know how much real load is on a resulting in wasted energy as
> no power management is utilized

* User does not know how much real load is on a system,
    resulting in wasted energy as no power management is utilized

Thanks, 
Marko K


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