x86/mmiotrace: uses/depends on PCI

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

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 623ef24c23812894c1617f0db781fb3065d6bdf2..d8b6279a9b4232cf7ca92305199b4a915cd0f591 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -25,6 +25,17 @@ config ENABLE_MUST_CHECK
          suppress the "warning: ignoring return value of 'foo', declared with
          attribute warn_unused_result" messages.
 
          suppress the "warning: ignoring return value of 'foo', declared with
          attribute warn_unused_result" messages.
 

+config FRAME_WARN
+       int "Warn for stack frames larger than (needs gcc 4.4)"
+       range 0 8192
+       default 1024 if !64BIT
+       default 2048 if 64BIT
+       help
+         Tell gcc to warn at build time for stack frames larger than this.
+         Setting this too low will cause a lot of warnings.
+         Setting it to 0 disables the warning.
+         Requires gcc 4.4
+

 config MAGIC_SYSRQ
        bool "Magic SysRq key"
        depends on !UML
 config MAGIC_SYSRQ
        bool "Magic SysRq key"
        depends on !UML


@@ -183,6 +194,37 @@ config TIMER_STATS
          (it defaults to deactivated on bootup and will only be activated
          if some application like powertop activates it explicitly).
 
          (it defaults to deactivated on bootup and will only be activated
          if some application like powertop activates it explicitly).
 

+config DEBUG_OBJECTS
+       bool "Debug object operations"
+       depends on DEBUG_KERNEL
+       help
+         If you say Y here, additional code will be inserted into the
+         kernel to track the life time of various objects and validate
+         the operations on those objects.
+
+config DEBUG_OBJECTS_SELFTEST
+       bool "Debug objects selftest"
+       depends on DEBUG_OBJECTS
+       help
+         This enables the selftest of the object debug code.
+
+config DEBUG_OBJECTS_FREE
+       bool "Debug objects in freed memory"
+       depends on DEBUG_OBJECTS
+       help
+         This enables checks whether a k/v free operation frees an area
+         which contains an object which has not been deactivated
+         properly. This can make kmalloc/kfree-intensive workloads
+         much slower.
+
+config DEBUG_OBJECTS_TIMERS
+       bool "Debug timer objects"
+       depends on DEBUG_OBJECTS
+       help
+         If you say Y here, additional code will be inserted into the
+         timer routines to track the life time of timer objects and
+         validate the timer operations.
+

 config DEBUG_SLAB
        bool "Debug slab memory allocations"
        depends on DEBUG_KERNEL && SLAB
 config DEBUG_SLAB
        bool "Debug slab memory allocations"
        depends on DEBUG_KERNEL && SLAB


@@ -592,6 +634,8 @@ config LATENCYTOP
          Enable this option if you want to use the LatencyTOP tool
          to find out which userspace is blocking on what kernel operations.
 
          Enable this option if you want to use the LatencyTOP tool
          to find out which userspace is blocking on what kernel operations.
 

+source kernel/trace/Kconfig
+

 config PROVIDE_OHCI1394_DMA_INIT
        bool "Remote debugging over FireWire early on boot"
        depends on PCI && X86
 config PROVIDE_OHCI1394_DMA_INIT
        bool "Remote debugging over FireWire early on boot"
        depends on PCI && X86