1menu "Kernel hacking" 2 3config TRACE_IRQFLAGS_SUPPORT 4 bool 5 default y 6 7source "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 18config DEBUG_DCFLUSH 19 bool "D-cache flush debugging" 20 depends on DEBUG_KERNEL 21 22config STACK_DEBUG 23 depends on DEBUG_KERNEL 24 bool "Stack Overflow Detection Support" 25 26config DEBUG_BOOTMEM 27 depends on DEBUG_KERNEL 28 bool "Debug BOOTMEM initialization" 29 30config DEBUG_PAGEALLOC 31 bool "Debug page memory allocations" 32 depends on DEBUG_KERNEL && !SOFTWARE_SUSPEND 33 help 34 Unmap pages from the kernel linear mapping after free_pages(). 35 This results in a large slowdown, but helps to find certain types 36 of memory corruptions. 37 38config MCOUNT 39 bool 40 depends on STACK_DEBUG 41 default y 42 43config FRAME_POINTER 44 bool 45 depends on MCOUNT 46 default y 47 48endmenu 49