diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 56 |
1 files changed, 55 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e0b3031bf..b4e287cde 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -342,6 +342,18 @@ config FRAME_POINTER larger and slower, but it gives very useful debugging information in case of kernel bugs. (precise oopses/stacktraces/warnings) +config STACK_VALIDATION + bool "Compile-time stack metadata validation" + depends on HAVE_STACK_VALIDATION + default n + help + Add compile-time checks to validate stack metadata, including frame + pointers (if CONFIG_FRAME_POINTER is enabled). This helps ensure + that runtime stack traces are more reliable. + + For more information, see + tools/objtool/Documentation/stack-validation.txt. + config DEBUG_FORCE_WEAK_PER_CPU bool "Force weak per-cpu definitions" depends on DEBUG_KERNEL @@ -546,7 +558,7 @@ config DEBUG_KMEMLEAK_DEFAULT_OFF config DEBUG_STACK_USAGE bool "Stack utilization instrumentation" - depends on DEBUG_KERNEL && !IA64 && !PARISC && !METAG + depends on DEBUG_KERNEL && !IA64 help Enables the display of the minimum amount of free stack which each task has ever had available in the sysrq-T and sysrq-P debug output. @@ -684,6 +696,27 @@ source "lib/Kconfig.kasan" endmenu # "Memory Debugging" +config ARCH_HAS_KCOV + bool + help + KCOV does not have any arch-specific code, but currently it is enabled + only for x86_64. KCOV requires testing on other archs, and most likely + disabling of instrumentation for some early boot code. + +config KCOV + bool "Code coverage for fuzzing" + depends on ARCH_HAS_KCOV + select DEBUG_FS + help + KCOV exposes kernel code coverage information in a form suitable + for coverage-guided fuzzing (randomized testing). + + If RANDOMIZE_BASE is enabled, PC values will not be stable across + different machines and across reboots. If you need stable PC values, + disable RANDOMIZE_BASE. + + For more details, see Documentation/kcov.txt. + config DEBUG_SHIRQ bool "Debug shared IRQ handlers" depends on DEBUG_KERNEL @@ -1442,6 +1475,19 @@ config DEBUG_BLOCK_EXT_DEVT Say N if you are unsure. +config CPU_HOTPLUG_STATE_CONTROL + bool "Enable CPU hotplug state control" + depends on DEBUG_KERNEL + depends on HOTPLUG_CPU + default n + help + Allows to write steps between "offline" and "online" to the CPUs + sysfs target file so states can be stepped granular. This is a debug + option for now as the hotplug machinery cannot be stopped and + restarted at arbitrary points yet. + + Say N if your are unsure. + config NOTIFIER_ERROR_INJECTION tristate "Notifier error injection" depends on DEBUG_KERNEL @@ -1754,6 +1800,14 @@ config TEST_KSTRTOX config TEST_PRINTF tristate "Test printf() family of functions at runtime" +config TEST_BITMAP + tristate "Test bitmap_*() family of functions at runtime" + default n + help + Enable this option to test the bitmap functions at boot. + + If unsure, say N. + config TEST_RHASHTABLE tristate "Perform selftest on resizable hash table" default n |