Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...

[mirror_ubuntu-artful-kernel.git] / arch / x86 / Kconfig

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index a2abc2fb697041224be22493a705034cfc79265f..258965d56beb9ccba468ba2bf6b5b99ab17cd798 100644 (file)
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -698,6 +698,14 @@ config PARAVIRT_SPINLOCKS
 
          If you are unsure how to answer this question, answer Y.
 
+config QUEUED_LOCK_STAT
+       bool "Paravirt queued spinlock statistics"
+       depends on PARAVIRT_SPINLOCKS && DEBUG_FS && QUEUED_SPINLOCKS
+       ---help---
+         Enable the collection of statistical data on the slowpath
+         behavior of paravirtualized queued spinlocks and report
+         them on debugfs.
+
 source "arch/x86/xen/Kconfig"
 
 config KVM_GUEST