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

[linux-2.6-microblaze.git] / arch / Kconfig

diff --git a/arch/Kconfig b/arch/Kconfig
index a826843..3ab446b 100644 (file)
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -907,6 +907,15 @@ config HAVE_ARCH_PREL32_RELOCATIONS
 config ARCH_USE_MEMREMAP_PROT
        bool
 
+config LOCK_EVENT_COUNTS
+       bool "Locking event counts collection"
+       depends on DEBUG_FS
+       ---help---
+         Enable light-weight counting of various locking related events
+         in the system with minimal performance impact. This reduces
+         the chance of application behavior change because of timing
+         differences. The counts are reported via debugfs.
+
 source "kernel/gcov/Kconfig"
 
 source "scripts/gcc-plugins/Kconfig"