blob: d001b42041a59a7ab13bdbbf5d1c786b7db59841 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001menu "Kernel hacking"
2
Robert Reife8dd1612007-09-27 13:15:31 -07003config TRACE_IRQFLAGS_SUPPORT
4 bool
5 default y
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007source "lib/Kconfig.debug"
8
9config DEBUG_STACK_USAGE
10 bool "Enable stack utilization instrumentation"
11 depends on DEBUG_KERNEL
12 help
13 Enables the display of the minimum amount of free stack which each
14 task has ever had available in the sysrq-T and sysrq-P debug output.
15
16 This option will slow down process creation somewhat.
17
Sam Ravnborg5bb28a52008-11-15 13:39:18 -080018config DEBUG_DCFLUSH
19 bool "D-cache flush debugging"
20 depends on SPARC64 && DEBUG_KERNEL
21
22config STACK_DEBUG
23 bool "Stack Overflow Detection Support"
24
25config DEBUG_PAGEALLOC
26 bool "Debug page memory allocations"
Akinobu Mita6a11f752009-03-31 15:23:17 -070027 depends on DEBUG_KERNEL && !HIBERNATION
28 depends on ARCH_SUPPORTS_DEBUG_PAGEALLOC
Sam Ravnborg5bb28a52008-11-15 13:39:18 -080029 help
30 Unmap pages from the kernel linear mapping after free_pages().
31 This results in a large slowdown, but helps to find certain types
32 of memory corruptions.
33
34config MCOUNT
35 bool
36 depends on SPARC64
37 depends on STACK_DEBUG || FUNCTION_TRACER
38 default y
39
40config FRAME_POINTER
41 bool
42 depends on MCOUNT
43 default y
44
Linus Torvalds1da177e2005-04-16 15:20:36 -070045endmenu