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-rw-r--r--arch/ia64/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index dff9edfc746..c3567727c13 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -280,6 +280,17 @@ config FORCE_MAX_ZONEORDER
default "17" if HUGETLB_PAGE
default "11"
+config VIRT_CPU_ACCOUNTING
+ bool "Deterministic task and CPU time accounting"
+ default n
+ help
+ Select this option to enable more accurate task and CPU time
+ accounting. This is done by reading a CPU counter on each
+ kernel entry and exit and on transitions within the kernel
+ between system, softirq and hardirq state, so there is a
+ small performance impact.
+ If in doubt, say N here.
+
config SMP
bool "Symmetric multi-processing support"
help