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| author | Con Kolivas <kernel@kolivas.org> | 2019-10-25 14:00:52 +1100 |
|---|---|---|
| committer | Con Kolivas <kernel@kolivas.org> | 2019-11-26 16:14:51 +1100 |
| commit | 7acac2e4000e75f3349106a8847cf1021651446b (patch) | |
| tree | d74553e460b55f1efdc75efc265f46c1889535d9 /arch/x86/Kconfig | |
| parent | 219d54332a09e8d8741c1e1982f5eae56099de85 (diff) | |
MultiQueue Skiplist Scheduler v0.196.5.4-muqss-196
Diffstat (limited to 'arch/x86/Kconfig')
| -rw-r--r-- | arch/x86/Kconfig | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8ef85139553f..7299015f6252 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1034,6 +1034,22 @@ config NR_CPUS config SCHED_SMT def_bool y if SMP +config SMT_NICE + bool "SMT (Hyperthreading) aware nice priority and policy support" + depends on SCHED_MUQSS && SCHED_SMT + default y + ---help--- + Enabling Hyperthreading on Intel CPUs decreases the effectiveness + of the use of 'nice' levels and different scheduling policies + (e.g. realtime) due to sharing of CPU power between hyperthreads. + SMT nice support makes each logical CPU aware of what is running on + its hyperthread siblings, maintaining appropriate distribution of + CPU according to nice levels and scheduling policies at the expense + of slightly increased overhead. + + If unsure say Y here. + + config SCHED_MC def_bool y prompt "Multi-core scheduler support" @@ -1064,6 +1080,8 @@ config SCHED_MC_PRIO If unsure say Y here. +source "kernel/Kconfig.MuQSS" + config UP_LATE_INIT def_bool y depends on !SMP && X86_LOCAL_APIC |