diff options
Diffstat (limited to 'arch/x86')
-rw-r--r-- | arch/x86/Kconfig | 12 |
1 files changed, 1 insertions, 11 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8ec3a1aa4abd..b86833aed83c 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig | |||
@@ -97,6 +97,7 @@ config X86 | |||
97 | select KTIME_SCALAR if X86_32 | 97 | select KTIME_SCALAR if X86_32 |
98 | select GENERIC_STRNCPY_FROM_USER | 98 | select GENERIC_STRNCPY_FROM_USER |
99 | select GENERIC_STRNLEN_USER | 99 | select GENERIC_STRNLEN_USER |
100 | select HAVE_IRQ_TIME_ACCOUNTING | ||
100 | 101 | ||
101 | config INSTRUCTION_DECODER | 102 | config INSTRUCTION_DECODER |
102 | def_bool (KPROBES || PERF_EVENTS || UPROBES) | 103 | def_bool (KPROBES || PERF_EVENTS || UPROBES) |
@@ -796,17 +797,6 @@ config SCHED_MC | |||
796 | making when dealing with multi-core CPU chips at a cost of slightly | 797 | making when dealing with multi-core CPU chips at a cost of slightly |
797 | increased overhead in some places. If unsure say N here. | 798 | increased overhead in some places. If unsure say N here. |
798 | 799 | ||
799 | config IRQ_TIME_ACCOUNTING | ||
800 | bool "Fine granularity task level IRQ time accounting" | ||
801 | default n | ||
802 | ---help--- | ||
803 | Select this option to enable fine granularity task irq time | ||
804 | accounting. This is done by reading a timestamp on each | ||
805 | transitions between softirq and hardirq state, so there can be a | ||
806 | small performance impact. | ||
807 | |||
808 | If in doubt, say N here. | ||
809 | |||
810 | source "kernel/Kconfig.preempt" | 800 | source "kernel/Kconfig.preempt" |
811 | 801 | ||
812 | config X86_UP_APIC | 802 | config X86_UP_APIC |