diff options
Diffstat (limited to 'arch/ia64/Kconfig')
| -rw-r--r-- | arch/ia64/Kconfig | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig index 8fa3faf5ef1..eef457fda08 100644 --- a/arch/ia64/Kconfig +++ b/arch/ia64/Kconfig @@ -283,6 +283,17 @@ 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 |