x86_64: support poll() on /dev/mcelog

[linux-2.6-omap-h63xx.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index da95e10cfd7094e8996ab08bb38c1f1bd5d4d6f9..f3e0c2abcbd060b69c879ab0e274006735f57a1e 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -105,6 +105,15 @@ config DETECT_SOFTLOCKUP
           can be detected via the NMI-watchdog, on platforms that
           support it.)
 
+config SCHED_DEBUG
+       bool "Collect scheduler debugging info"
+       depends on DEBUG_KERNEL && PROC_FS
+       default y
+       help
+         If you say Y here, the /proc/sched_debug file will be provided
+         that can help debug the scheduler. The runtime overhead of this
+         option is minimal.
+
 config SCHEDSTATS
        bool "Collect scheduler statistics"
        depends on DEBUG_KERNEL && PROC_FS
@@ -143,6 +152,19 @@ config DEBUG_SLAB_LEAK
        bool "Memory leak debugging"
        depends on DEBUG_SLAB
 
+config SLUB_DEBUG_ON
+       bool "SLUB debugging on by default"
+       depends on SLUB && SLUB_DEBUG
+       default n
+       help
+         Boot with debugging on by default. SLUB boots by default with
+         the runtime debug capabilities switched off. Enabling this is
+         equivalent to specifying the "slub_debug" parameter on boot.
+         There is no support for more fine grained debug control like
+         possible with slub_debug=xxx. SLUB debugging may be switched
+         off in a kernel built with CONFIG_SLUB_DEBUG_ON by specifying
+         "slub_debug=-".
+
 config DEBUG_PREEMPT
        bool "Debug preemptible kernel"
        depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT
@@ -261,6 +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