diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 640844024ff..396c38b3cb6 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -167,7 +167,7 @@ config SLUB_DEBUG_ON config DEBUG_PREEMPT bool "Debug preemptible kernel" - depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT + depends on DEBUG_KERNEL && PREEMPT && (TRACE_IRQFLAGS_SUPPORT || PPC64) default y help If you say Y here then the kernel will use a debug variant of the @@ -283,6 +283,19 @@ config LOCKDEP select KALLSYMS select KALLSYMS_ALL +config LOCK_STAT + bool "Lock usage statistics" + 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 + + For more details, see Documentation/lockstat.txt + config DEBUG_LOCKDEP bool "Lock dependency engine debugging" depends on DEBUG_KERNEL && LOCKDEP @@ -338,7 +351,7 @@ config DEBUG_HIGHMEM config DEBUG_BUGVERBOSE bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EMBEDDED depends on BUG - depends on ARM || ARM26 || AVR32 || M32R || M68K || SPARC32 || SPARC64 || FRV || SUPERH || GENERIC_BUG || BFIN + depends on ARM || AVR32 || M32R || M68K || SPARC32 || SPARC64 || FRV || SUPERH || GENERIC_BUG || BFIN default !EMBEDDED help Say Y here to make BUG() panics output the file name and line number |