cpuidle: ladder: Add per CPU PM QoS resume latency support

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Individual CPUs may have special requirements to not enter
deep idle states. For example, a CPU running real time
applications would not want to enter deep idle states to
avoid latency impacts. At the same time other CPUs that
do not have such a requirement could allow deep idle
states to save power.

This was already implemented in the menu governor.
Implementing similar changes in the ladder governor which
gets selected when CONFIG_NO_HZ and CONFIG_NO_HZ_IDLE are not
set. Refer following commits for the menu governor changes.

Signed-off-by: Ramesh Thomas <ramesh.thomas@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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Ramesh Thomas 2017-10-26 19:01:34 -07:00 • committed by Rafael J. Wysocki

parent 4e37fd4d5d

commit c523c68da2

1 changed files with 7 additions and 0 deletions

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drivers/cpuidle/governors/ladder.c

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