Messages in this thread Patch in this message | | | From | Dietmar Eggemann <> | Subject | [RFC PATCH v2 6/6] drivers: base: arch_topology.c: Enable EAS for arm/arm64 platforms | Date | Fri, 6 Apr 2018 16:36:07 +0100 |
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From: Quentin Perret <quentin.perret@arm.com>
Energy Aware Scheduling (EAS) has to be started from the arch code. This commit enables it from the arch topology driver for arm/arm64 systems, hence enabling a better support for Arm big.LITTLE and future DynamIQ architectures.
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Quentin Perret <quentin.perret@arm.com> Signed-off-by: Dietmar Eggemann <dietmar.eggemann@arm.com> --- drivers/base/arch_topology.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 52ec5174bcb1..25a70c21860f 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/sched/topology.h> +#include <linux/sched/energy.h> DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; @@ -247,6 +248,7 @@ static void __init parsing_done_workfn(struct work_struct *work) cpufreq_unregister_notifier(&init_cpu_capacity_notifier, CPUFREQ_POLICY_NOTIFIER); free_cpumask_var(cpus_to_visit); + init_sched_energy(); } #else -- 2.11.0
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