Re: Why do I sometimes "lose" the "psys" RAPL counter?

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On Mon, 2020-03-30 at 10:40 -0700, Kenneth R. Crudup wrote:
> On Mon, 30 Mar 2020, Srinivas Pandruvada wrote:
> 
> > I could reproduce this. This fails because the Psys MSR read 0. 

Do you mean MSR_PLATFORM_POWER_LIMIT?
It is not 0 according to previous emails.

> > Also
> > the counter values are not correct as the incremental values are
> > less
> > than package energy counter values.
> 
> OK, so the very night I'd asked this question, Dell put out a BIOS
> update
> (BIOS 1.3.1 03/02/2020) that seems to have fixed this issue; I have
> not
> had a missing "psys" domain since updating. Srinivas, can you update
> the
> XPS 7390 you have to this BIOS version and verify this is fixed?
> 
Good to know.

thanks,
rui





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