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pm: policy: latency: Add support for immediate action #81856

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pm: policy: latency: Add support for immediate action #81856

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Commits on Nov 25, 2024

  1. pm: policy: latency: Add support for immediate action 

    Remove API for subscription to the latency change. This API was added
to support executing immediate action on latency change but
implementation was calling subscriber callbacks with interrupts locked
which is not desirable. In general, it is non-trivial task to
manage multiple requests and perform asynchronous action for the
top request. On-off manager implements that for binary case.

Additionally, API was missing a notifiction to the requestor when
immediate action is completed and it is required for the used to
know when requested latency requirement is fulfilled.

Proposed API is adding a possible notification for request and
update and adds option to add a manager for controlling immediate
action. Added notifications make sense only if immediate action
is used. Immediate action implements support for binary case
where there is a single action that is performed when latency
is below a given threshold. In future it can be extended to
support gradual manager.

Signed-off-by: Krzysztof Chruściński <[email protected]>
    @nordic-krch
    nordic-krch committed Nov 25, 2024
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  2. tests: pm: policy_api: Add test for latency immediate action 

    Add test for the case where latency change triggers an immediate
action. Configuration is using a single threshold for triggering
of the action.

Signed-off-by: Krzysztof Chruściński <[email protected]>
    @nordic-krch
    nordic-krch committed Nov 25, 2024
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