Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6

[~andy/linux] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 640844024ffd1cabbbd60f0ac637b35af8a6b412..f3e0c2abcbd060b69c879ab0e274006735f57a1e 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -283,6 +283,17 @@ config LOCKDEP
        select KALLSYMS
        select KALLSYMS_ALL
 
+config LOCK_STAT
+       bool "Lock usage statisitics"
+       depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT
+       select LOCKDEP
+       select DEBUG_SPINLOCK
+       select DEBUG_MUTEXES
+       select DEBUG_LOCK_ALLOC
+       default n
+       help
+        This feature enables tracking lock contention points
+
 config DEBUG_LOCKDEP
        bool "Lock dependency engine debugging"
        depends on DEBUG_KERNEL && LOCKDEP