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| author | Con Kolivas <kernel@kolivas.org> | 2019-10-25 14:00:52 +1100 |
|---|---|---|
| committer | Con Kolivas <kernel@kolivas.org> | 2020-10-19 18:41:45 +1100 |
| commit | 49e82d66c704858ba77947984535811593d6dacb (patch) | |
| tree | e777ec625e1e832d66ec0bdcfa6ebb72571109d4 /arch/x86/Kconfig | |
| parent | bbf5c979011a099af5dc76498918ed7df445635b (diff) | |
MultiQueue Skiplist Scheduler v0.2045.9-muqss-204
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 7101ac64bb20..79a77bbfe07d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1005,6 +1005,22 @@ 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" @@ -1035,6 +1051,8 @@ 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 |