Messages in this thread Patch in this message | | | From | lukasz.luba@arm ... | Subject | [PATCH 2/2] ARM: exynos_defconfig: Enable SCHED_MC and ENERGY_MODEL | Date | Wed, 19 Feb 2020 09:58:28 +0000 |
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From: Lukasz Luba <lukasz.luba@arm.com>
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 platform by smart 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 <lukasz.luba@arm.com> --- arch/arm/configs/exynos_defconfig | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig index c8e0c14092e8..90d376eb333b 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 -- 2.17.1
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