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SubjectRe: [PATCH] powerpc/powernv : Add support to enable sensor groups
Shilpasri G Bhat <> writes:
> On 11/28/2017 05:07 PM, Michael Ellerman wrote:
>> Shilpasri G Bhat <> writes:
>>> Adds support to enable/disable a sensor group. This can be used to
>>> select the sensor groups that needs to be copied to main memory by
>>> OCC. Sensor groups like power, temperature, current, voltage,
>>> frequency, utilization can be enabled/disabled at runtime.
>>> Signed-off-by: Shilpasri G Bhat <>
>>> ---
>>> The skiboot patch for the opal call is posted below:
>> Can you remind me why we're doing this with a completely bespoke sysfs
>> API, rather than using some generic sensors API?
> Disabling/Enabling sensor groups is not supported in the current generic sensors
> API. And also we dont export all type of sensors in HWMON as not all of them are
> environment sensors (like performance).

Are there barriers to adding such concepts to the generic sensors API?

Stewart Smith
OPAL Architect, IBM.

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