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PM / EM: Micro optimization in em_cpu_energy
authorPavankumar Kondeti <pkondeti@codeaurora.org>
Sat, 28 Nov 2020 01:39:23 +0000 (07:09 +0530)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Tue, 8 Dec 2020 17:21:16 +0000 (18:21 +0100)
commit1080399542075bb0e9d46ea80418d76784d1ece8
tree31748702d18f8cdc18f5e1688a43f5239dccf203tree | snapshot
parentb56a352c0d3ca4640c3c6364e592be360ac0d6d4commit | diff
PM / EM: Micro optimization in em_cpu_energy

When the sum of the utilization of CPUs in a power domain is zero,
return the energy as 0 without doing any computations.

Acked-by: Quentin Perret <qperret@google.com>
Reviewed-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
include/linux/energy_model.h diff | blob | history
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