+config DEBUG_SLEEP_IN_IRQ
+ bool "Warn if we sleep excessively in an irq"
+ help
+ Sleeping in an interrupt handler is a bad thing.
+ Enabling this option will emit a backtrace (once per instance).
config PRINTK_TIME
bool "Show timing information on printks"
+ depends on PRINTK
help
Selecting this option causes timing information to be
included in printk output. This allows you to measure
operations. This is useful for identifying long delays
in kernel startup.
+config ENABLE_MUST_CHECK
+ bool "Enable __must_check logic"
+ default y
+ help
+ Enable the __must_check logic in the kernel build. Disable this to
+ suppress the "warning: ignoring return value of 'foo', declared with
+ attribute warn_unused_result" messages.
config MAGIC_SYSRQ
bool "Magic SysRq key"
you really need it, and what the merge plan to the mainline kernel for
your module is.
+config DEBUG_FS
+ bool "Debug Filesystem"
+ depends on SYSFS
+ help
+ debugfs is a virtual file system that kernel developers use to put
+ debugging files into. Enable this option to be able to read and
+ write to these files.
+
+ If unsure, say N.
+
+config HEADERS_CHECK
+ bool "Run 'make headers_check' when building vmlinux"
+ depends on !UML
+ help
+ This option will extract the user-visible kernel headers whenever
+ building the kernel, and will run basic sanity checks on them to
+ ensure that exported files do not attempt to include files which
+ were not exported, etc.
+
+ If you're making modifications to header files which are
+ relevant for userspace, say 'Y', and check the headers
+ exported to $(INSTALL_HDR_PATH) (usually 'usr/include' in
+ your build tree), to make sure they're suitable.
+
config DEBUG_KERNEL
bool "Kernel debugging"
help
config DETECT_SOFTLOCKUP
bool "Detect Soft Lockups"
- depends on DEBUG_KERNEL
+ depends on DEBUG_KERNEL && !S390
default y
help
Say Y here to enable the kernel to detect "soft lockups",
config DEBUG_BUGVERBOSE
bool "Verbose BUG() reporting (adds 70K)" if DEBUG_KERNEL && EMBEDDED
depends on BUG
- depends on ARM || ARM26 || M32R || M68K || SPARC32 || SPARC64 || X86_32 || FRV
+ depends on ARM || ARM26 || AVR32 || M32R || M68K || SPARC32 || SPARC64 || FRV || SUPERH || GENERIC_BUG
default !EMBEDDED
help
Say Y here to make BUG() panics output the file name and line number
If unsure, say N.
-config DEBUG_FS
- bool "Debug Filesystem"
- depends on SYSFS
- help
- debugfs is a virtual file system that kernel developers use to put
- debugging files into. Enable this option to be able to read and
- write to these files.
-
- If unsure, say N.
-
config DEBUG_VM
bool "Debug VM"
depends on DEBUG_KERNEL
config FRAME_POINTER
bool "Compile the kernel with frame pointers"
- depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390)
+ depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || AVR32 || SUPERH)
default y if DEBUG_INFO && UML
help
If you say Y here the resulting kernel image will be slightly larger
some architectures or if you use external debuggers.
If you don't debug the kernel, you can say N.
-config UNWIND_INFO
- bool "Compile the kernel with frame unwind information"
- depends on !IA64 && !PARISC && !X86_64_XEN
- depends on !MODULES || !(MIPS || PPC || SUPERH || V850)
- help
- If you say Y here the resulting kernel image will be slightly larger
- but not slower, and it will give very useful debugging information.
- If you don't debug the kernel, you can say N, but we may not be able
- to solve problems without frame unwind information or frame pointers.
-
-config STACK_UNWIND
- bool "Stack unwind support"
- depends on UNWIND_INFO
- depends on X86
- help
- This enables more precise stack traces, omitting all unrelated
- occurrences of pointers into kernel code from the dump.
-
config FORCED_INLINING
bool "Force gcc to inline functions marked 'inline'"
depends on DEBUG_KERNEL
at boot time (you probably don't).
Say M if you want the RCU torture tests to build as a module.
Say N if you are unsure.
+
+config LKDTM
+ tristate "Linux Kernel Dump Test Tool Module"
+ depends on DEBUG_KERNEL
+ depends on KPROBES
+ default n
+ help
+ This module enables testing of the different dumping mechanisms by
+ inducing system failures at predefined crash points.
+ If you don't need it: say N
+ Choose M here to compile this code as a module. The module will be
+ called lkdtm.
+
+ Documentation on how to use the module can be found in
+ drivers/misc/lkdtm.c
+
+config FAULT_INJECTION
+ bool "Fault-injection framework"
+ depends on DEBUG_KERNEL && STACKTRACE_SUPPORT
+ select STACKTRACE
+ select FRAME_POINTER
+ help
+ Provide fault-injection framework.
+ For more details, see Documentation/fault-injection/.
+
+config FAILSLAB
+ bool "Fault-injection capability for kmalloc"
+ depends on FAULT_INJECTION
+ help
+ Provide fault-injection capability for kmalloc.
+
+config FAIL_PAGE_ALLOC
+ bool "Fault-injection capabilitiy for alloc_pages()"
+ depends on FAULT_INJECTION
+ help
+ Provide fault-injection capability for alloc_pages().
+
+config FAIL_MAKE_REQUEST
+ bool "Fault-injection capability for disk IO"
+ depends on FAULT_INJECTION
+ help
+ Provide fault-injection capability for disk IO.
+
+config FAULT_INJECTION_DEBUG_FS
+ bool "Debugfs entries for fault-injection capabilities"
+ depends on FAULT_INJECTION && SYSFS && DEBUG_FS
+ help
+ Enable configuration of fault-injection capabilities via debugfs.
git://git.onelab.eu / linux-2.6.git / blobdiff