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Steve Muckle authored
PELT does not consider SMT when scaling its utilization values via arch_scale_cpu_capacity(). The value in rq->cpu_capacity_orig does take SMT into consideration though and therefore may be smaller than the utilization reported by PELT. On an Intel i7-3630QM for example rq->cpu_capacity_orig is 589 but util_avg scales up to 1024. This means that a 50% utilized CPU will show up in schedutil as ~86% busy. Fix this by using the same CPU scaling value in schedutil as that which is used by PELT. Signed-off-by:
Steve Muckle <smuckle@linaro.org> Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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