diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 100 |
1 files changed, 86 insertions, 14 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index f1ac3184dc08..0701ddda1df8 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1,6 +1,7 @@ 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 @@ -46,6 +47,30 @@ config UNUSED_SYMBOLS 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 @@ -71,7 +96,7 @@ config LOG_BUF_SHIFT 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", @@ -284,7 +309,7 @@ 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 || 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 @@ -301,16 +326,6 @@ config DEBUG_INFO 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 @@ -320,9 +335,18 @@ config DEBUG_VM If unsure, say N. +config DEBUG_LIST + bool "Debug linked list manipulation" + depends on DEBUG_KERNEL + help + Enable this to turn on extended checks in the linked-list + walking routines. + + If unsure, say N. + config FRAME_POINTER bool "Compile the kernel with frame pointers" - depends on DEBUG_KERNEL && (X86 || CRIS || M68K || M68KNOMMU || FRV || UML || S390 || AVR32) + 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 @@ -332,7 +356,7 @@ config FRAME_POINTER config UNWIND_INFO bool "Compile the kernel with frame unwind information" - depends on !IA64 && !PARISC + depends on !IA64 && !PARISC && !ARM depends on !MODULES || !(MIPS || PPC || SUPERH || V850) help If you say Y here the resulting kernel image will be slightly larger @@ -375,3 +399,51 @@ config RCU_TORTURE_TEST 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 + depends on 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 capabilitiy 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. |