lkml.org 
[lkml]   [2015]   [Sep]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH 09/15] x86, amd: add accessor for number of cores per compute unit
On Mon, Aug 31, 2015 at 02:24:08PM -0700, Guenter Roeck wrote:
> That is a matter of driver implementation. Very commonly hwmon drivers
> implement value caching, where data from the device is only read at
> minimum intervals, and the cached values are reported if the information
> is polled too rapidly.

I don't see how we can use cached values in that case as they'd be
basically a lie as to how much power the CU/processor has consumed. I
guess it would be fairer to the user to warn instead and not issue any
values or to simply delay the read to a min timeout...

--
Regards/Gruss,
Boris.

ECO tip #101: Trim your mails when you reply.
--


\
 
 \ /
  Last update: 2015-09-01 18:21    [W:0.112 / U:0.252 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site