Messages in this thread Patch in this message | | | Subject | [PATCH 06/12] x86 Kconfig: scheduler options | From | Dave Hansen <> | Date | Mon, 13 Jan 2014 11:22:52 -0800 |
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From: Dave Hansen <dave.hansen@linux.intel.com>
These are a few architecture-specific options that affect the scheduler. Group them together.
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com> ---
linux.git-davehans/arch/x86/Kconfig | 28 ++++++++++++++++------------ 1 file changed, 16 insertions(+), 12 deletions(-)
diff -puN arch/x86/Kconfig~x86-scheduler-options arch/x86/Kconfig --- linux.git/arch/x86/Kconfig~x86-scheduler-options 2014-01-13 11:11:35.553207750 -0800 +++ linux.git-davehans/arch/x86/Kconfig 2014-01-13 11:11:35.555207841 -0800 @@ -959,18 +959,6 @@ config X86_32_IRIS If unused, say N. -config SCHED_OMIT_FRAME_POINTER - def_bool y - prompt "Single-depth WCHAN output" - depends on X86 - ---help--- - Calculate simpler /proc/<PID>/wchan values. If this option - is disabled then wchan values will recurse back to the - caller function. This provides more accurate wchan values, - at the expense of slightly more scheduling overhead. - - If in doubt, say "Y". - menuconfig HYPERVISOR_GUEST bool "Linux guest support" ---help--- @@ -1186,6 +1174,8 @@ config IOMMU_HELPER def_bool y depends on CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU +menu "x86 Scheduler Options" + config SCHED_SMT bool "SMT (Hyperthreading) scheduler support" depends on X86_HT @@ -1204,6 +1194,20 @@ config SCHED_MC making when dealing with multi-core CPU chips at a cost of slightly increased overhead in some places. If unsure say N here. +config SCHED_OMIT_FRAME_POINTER + def_bool y + prompt "Single-depth WCHAN output" + depends on X86 + ---help--- + Calculate simpler /proc/<PID>/wchan values. If this option + is disabled then wchan values will recurse back to the + caller function. This provides more accurate wchan values, + at the expense of slightly more scheduling overhead. + + If in doubt, say "Y". + +endmenu # x86 Scheduler Options + source "kernel/Kconfig.preempt" config X86_UP_APIC _
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