From: Lukasz Luba Date: Thu, 20 Feb 2020 09:56:36 +0000 (+0000) Subject: ARM: exynos_defconfig: Enable SCHED_MC and ENERGY_MODEL X-Git-Tag: v5.7-rc1~98^2~5^2~1 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=834e34007eb20434620d988489389ad853f1293c;p=users%2Fjedix%2Flinux-maple.git ARM: exynos_defconfig: Enable SCHED_MC and ENERGY_MODEL The Energy Model (EM) is needed to run Energy Aware Scheduler (EAS). Enable ENERGY_MODEL to make that happen. This will increase energy efficiency of the big.LITTLE platforms (e.g. Exynos5422) by smarter decisions in scheduling tasks in non-heavy workloads. Add SCHED_MC in order to create another level in scheduling domains: 'MC'. This improves scheduler's decisions on platforms with CPU clusters, such as big.LITTLE. Signed-off-by: Lukasz Luba Signed-off-by: Krzysztof Kozlowski --- diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index 65c4daddefe3..439d37197959 100644 --- a/arch/arm/configs/exynos_defconfig +++ b/arch/arm/configs/exynos_defconfig @@ -8,6 +8,7 @@ CONFIG_PERF_EVENTS=y CONFIG_ARCH_EXYNOS=y CONFIG_CPU_ICACHE_MISMATCH_WORKAROUND=y CONFIG_SMP=y +CONFIG_SCHED_MC=y CONFIG_BIG_LITTLE=y CONFIG_NR_CPUS=8 CONFIG_HIGHMEM=y @@ -17,6 +18,7 @@ CONFIG_ZBOOT_ROM_BSS=0x0 CONFIG_ARM_APPENDED_DTB=y CONFIG_ARM_ATAG_DTB_COMPAT=y CONFIG_CMDLINE="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC1,115200 init=/linuxrc mem=256M" +CONFIG_ENERGY_MODEL=y CONFIG_CPU_FREQ=y CONFIG_CPU_FREQ_STAT=y CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y