* Power measurement clarification
@ 2012-02-28 16:38 Ken O'Brien
2012-03-04 22:38 ` ken
0 siblings, 1 reply; 2+ messages in thread
From: Ken O'Brien @ 2012-02-28 16:38 UTC (permalink / raw)
To: linux-acpi
Greetings,
In the ACPI spec there is a section (10.4) on power meters. Can someone
clarify what these meters physically are? Are they external devices or
onboard chips? If they're the latter, how can I detect them and read
their data in userspace?
Regards,
Ken
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Power measurement clarification
2012-02-28 16:38 Power measurement clarification Ken O'Brien
@ 2012-03-04 22:38 ` ken
0 siblings, 0 replies; 2+ messages in thread
From: ken @ 2012-03-04 22:38 UTC (permalink / raw)
To: linux-acpi
To follow up on my last email, I have done some more research and it
would appear that these are onboard devices that are presently not
common in consumer devices.
( If anyone has more information on how to get power consumption data
from standard desktops/laptops without the use of external measurement
equipment, I would greatly appreciate it)
Regards,
Ken
On Tue, Feb 28, 2012 at 4:38 PM, Ken O'Brien <ken@kenobrien.org> wrote:
>
> Greetings,
>
> In the ACPI spec there is a section (10.4) on power meters. Can someone
> clarify what these meters physically are? Are they external devices or
> onboard chips? If they're the latter, how can I detect them and read their
> data in userspace?
>
> Regards,
>
> Ken
--
Ken O'Brien
PhD Researcher
Simulation Science and Extreme Events Cluster,
3B1 , UCD CASL,
8 Belfield Business Park,
Dublin 4,
Ireland.
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