Re: [PATCH] powercap/rapl: lower warning level for domain detection

From: Jacob Pan
Date: Tue Sep 02 2014 - 13:57:26 EST


On Tue, 02 Sep 2014 01:48:40 +0200
"Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> wrote:

> On Thursday, August 28, 2014 09:56:08 PM Jacob Pan wrote:
> > Many CPUs do not support complete set of RAPL domains, as a
> > result this detection failed message is very misleading and
> > annoying. So loweab Pan <jacob.jun.pan@xxxxxxxxxxxxxxx>
>
> What about printing a (info-level) message if the RAPL domain *is*
> supported? That surely is more interesting?
>
yes, that is better. just sent out an updated patch with a different
Subject: [PATCH] powercap/rapl: change domain detection message

Thanks,

Jacob
> > ---
> > drivers/powercap/intel_rapl.c | 2 +-
> > 1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/drivers/powercap/intel_rapl.c
> > b/drivers/powercap/intel_rapl.c index b1cda6f..0b282e7 100644
> > --- a/drivers/powercap/intel_rapl.c
> > +++ b/drivers/powercap/intel_rapl.c
> > @@ -1169,7 +1169,7 @@ static int rapl_detect_domains(struct
> > rapl_package *rp, int cpu) if (!rapl_check_domain(cpu, i))
> > rp->domain_map |= 1 << i;
> > else
> > - pr_warn("RAPL domain %s detection
> > failed\n",
> > + pr_info("RAPL domain %s not supported\n",
> > rapl_domain_names[i]);
> > }
> > rp->nr_domains = bitmap_weight(&rp->domain_map,
> > RAPL_DOMAIN_MAX);
> >
>

[Jacob Pan]
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