diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 116 |
1 files changed, 67 insertions, 49 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1c9857fdb1a0..6fdbf9613aec 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -35,6 +35,17 @@ config PRINTK_CALLER no option to enable/disable at the kernel command line parameter or sysfs interface. +config STACKTRACE_BUILD_ID + bool "Show build ID information in stacktraces" + depends on PRINTK + help + Selecting this option adds build ID information for symbols in + stacktraces printed with the printk format '%p[SR]b'. + + This option is intended for distros where debuginfo is not easily + accessible but can be downloaded given the build ID of the vmlinux or + kernel module where the function is located. + config CONSOLE_LOGLEVEL_DEFAULT int "Default console loglevel (1-15)" range 1 15 @@ -284,7 +295,7 @@ config DEBUG_INFO_DWARF4 config DEBUG_INFO_DWARF5 bool "Generate DWARF Version 5 debuginfo" - depends on GCC_VERSION >= 50000 || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502))) + depends on !CC_IS_CLANG || (CC_IS_CLANG && (AS_IS_LLVM || (AS_IS_GNU && AS_VERSION >= 23502))) depends on !DEBUG_INFO_BTF help Generate DWARF v5 debug info. Requires binutils 2.35.2, gcc 5.0+ (gcc @@ -313,9 +324,6 @@ config DEBUG_INFO_BTF config PAHOLE_HAS_SPLIT_BTF def_bool $(success, test `$(PAHOLE) --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/'` -ge "119") -config PAHOLE_HAS_ZEROSIZE_PERCPU_SUPPORT - def_bool $(success, test `$(PAHOLE) --version | sed -E 's/v([0-9]+)\.([0-9]+)/\1\2/'` -ge "122") - config DEBUG_INFO_BTF_MODULES def_bool y depends on DEBUG_INFO_BTF && MODULES && PAHOLE_HAS_SPLIT_BTF @@ -338,7 +346,7 @@ config FRAME_WARN int "Warn for stack frames larger than" range 0 8192 default 2048 if GCC_PLUGIN_LATENT_ENTROPY - default 1280 if (!64BIT && PARISC) + default 1536 if (!64BIT && (PARISC || XTENSA)) default 1024 if (!64BIT && !PARISC) default 2048 if 64BIT help @@ -357,6 +365,7 @@ config STRIP_ASM_SYMS config READABLE_ASM bool "Generate readable assembler code" depends on DEBUG_KERNEL + depends on CC_IS_GCC help Disable some compiler optimizations that tend to generate human unreadable assembler output. This may make the kernel slightly slower, but it helps @@ -375,6 +384,7 @@ config HEADERS_INSTALL config DEBUG_SECTION_MISMATCH bool "Enable full Section mismatch analysis" + depends on CC_IS_GCC help The section mismatch analysis checks if there are illegal references from one section to another section. @@ -403,8 +413,8 @@ config SECTION_MISMATCH_WARN_ONLY If unsure, say Y. -config DEBUG_FORCE_FUNCTION_ALIGN_32B - bool "Force all function address 32B aligned" if EXPERT +config DEBUG_FORCE_FUNCTION_ALIGN_64B + bool "Force all function address 64B aligned" if EXPERT help There are cases that a commit from one domain changes the function address alignment of other domains, and cause magic performance @@ -448,7 +458,7 @@ config STACK_VALIDATION config VMLINUX_VALIDATION bool - depends on STACK_VALIDATION && DEBUG_ENTRY && !PARAVIRT + depends on STACK_VALIDATION && DEBUG_ENTRY default y config VMLINUX_MAP @@ -1054,7 +1064,6 @@ config HARDLOCKUP_DETECTOR depends on HAVE_HARDLOCKUP_DETECTOR_PERF || HAVE_HARDLOCKUP_DETECTOR_ARCH select LOCKUP_DETECTOR select HARDLOCKUP_DETECTOR_PERF if HAVE_HARDLOCKUP_DETECTOR_PERF - select HARDLOCKUP_DETECTOR_ARCH if HAVE_HARDLOCKUP_DETECTOR_ARCH help Say Y here to enable the kernel to act as a watchdog to detect hard lockups. @@ -1227,7 +1236,7 @@ config PROVE_LOCKING depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK - select DEBUG_MUTEXES + select DEBUG_MUTEXES if !PREEMPT_RT select DEBUG_RT_MUTEXES if RT_MUTEXES select DEBUG_RWSEMS select DEBUG_WW_MUTEX_SLOWPATH @@ -1282,7 +1291,7 @@ config PROVE_RAW_LOCK_NESTING option expect lockdep splats until these problems have been fully addressed which is work in progress. This config switch allows to identify and analyze these problems. It will be removed and the - check permanentely enabled once the main issues have been fixed. + check permanently enabled once the main issues have been fixed. If unsure, select N. @@ -1291,7 +1300,7 @@ config LOCK_STAT depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK - select DEBUG_MUTEXES + select DEBUG_MUTEXES if !PREEMPT_RT select DEBUG_RT_MUTEXES if RT_MUTEXES select DEBUG_LOCK_ALLOC default n @@ -1327,7 +1336,7 @@ config DEBUG_SPINLOCK config DEBUG_MUTEXES bool "Mutex debugging: basic checks" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && !PREEMPT_RT help This feature allows mutex semantics violations to be detected and reported. @@ -1337,7 +1346,8 @@ config DEBUG_WW_MUTEX_SLOWPATH depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_LOCK_ALLOC select DEBUG_SPINLOCK - select DEBUG_MUTEXES + select DEBUG_MUTEXES if !PREEMPT_RT + select DEBUG_RT_MUTEXES if PREEMPT_RT help This feature enables slowpath testing for w/w mutex users by injecting additional -EDEADLK wound/backoff cases. Together with @@ -1360,7 +1370,7 @@ config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_SPINLOCK - select DEBUG_MUTEXES + select DEBUG_MUTEXES if !PREEMPT_RT select DEBUG_RT_MUTEXES if RT_MUTEXES select LOCKDEP help @@ -1448,7 +1458,7 @@ config DEBUG_LOCKING_API_SELFTESTS Say Y here if you want the kernel to run a short self-test during bootup. The self-test checks whether common types of locking bugs are detected by debugging mechanisms or not. (if you disable - lock debugging then those bugs wont be detected of course.) + lock debugging then those bugs won't be detected of course.) The following locking APIs are covered: spinlocks, rwlocks, mutexes and rwsems. @@ -1671,33 +1681,6 @@ config DEBUG_WQ_FORCE_RR_CPU feature by default. When enabled, memory and cache locality will be impacted. -config DEBUG_BLOCK_EXT_DEVT - bool "Force extended block device numbers and spread them" - depends on DEBUG_KERNEL - depends on BLOCK - default n - help - BIG FAT WARNING: ENABLING THIS OPTION MIGHT BREAK BOOTING ON - SOME DISTRIBUTIONS. DO NOT ENABLE THIS UNLESS YOU KNOW WHAT - YOU ARE DOING. Distros, please enable this and fix whatever - is broken. - - Conventionally, block device numbers are allocated from - predetermined contiguous area. However, extended block area - may introduce non-contiguous block device numbers. This - option forces most block device numbers to be allocated from - the extended space and spreads them to discover kernel or - userland code paths which assume predetermined contiguous - device number allocation. - - Note that turning on this debug option shuffles all the - device numbers for all IDE and SCSI devices including libata - ones, so root partition specified using device number - directly (via rdev or root=MAJ:MIN) won't work anymore. - Textual device names (root=/dev/sdXn) will continue to work. - - Say N if you are unsure. - config CPU_HOTPLUG_STATE_CONTROL bool "Enable CPU hotplug state control" depends on DEBUG_KERNEL @@ -1928,7 +1911,7 @@ config FAIL_IO_TIMEOUT thus exercising the error handling. Only works with drivers that use the generic timeout handling, - for others it wont do anything. + for others it won't do anything. config FAIL_FUTEX bool "Fault-injection capability for futexes" @@ -1963,6 +1946,13 @@ config FAIL_MMC_REQUEST and to test how the mmc host driver handles retries from the block device. +config FAIL_SUNRPC + bool "Fault-injection capability for SunRPC" + depends on FAULT_INJECTION_DEBUG_FS && SUNRPC_DEBUG + help + Provide fault-injection capability for SunRPC and + its consumers. + config FAULT_INJECTION_STACKTRACE_FILTER bool "stacktrace filter for fault-injection capabilities" depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT @@ -2049,8 +2039,9 @@ config LKDTM Documentation/fault-injection/provoke-crashes.rst config TEST_LIST_SORT - tristate "Linked list sorting test" - depends on DEBUG_KERNEL || m + tristate "Linked list sorting test" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS help Enable this to turn on 'list_sort()' function test. This test is executed only once during system boot (so affects only boot time), @@ -2069,8 +2060,9 @@ config TEST_MIN_HEAP If unsure, say N. config TEST_SORT - tristate "Array-based sort test" - depends on DEBUG_KERNEL || m + tristate "Array-based sort test" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS help This option enables the self-test function of 'sort()' at boot, or at module load time. @@ -2088,9 +2080,10 @@ config TEST_DIV64 If unsure, say N. config KPROBES_SANITY_TEST - bool "Kprobes sanity tests" + tristate "Kprobes sanity tests" depends on DEBUG_KERNEL depends on KPROBES + depends on KUNIT help This option provides for testing basic kprobes functionality on boot. Samples of kprobe and kretprobe are inserted and @@ -2171,6 +2164,9 @@ config ASYNC_RAID6_TEST config TEST_HEXDUMP tristate "Test functions located in the hexdump module at runtime" +config STRING_SELFTEST + tristate "Test string functions at runtime" + config TEST_STRING_HELPERS tristate "Test functions located in the string_helpers module at runtime" @@ -2446,6 +2442,28 @@ config SLUB_KUNIT_TEST If unsure, say N. +config RATIONAL_KUNIT_TEST + tristate "KUnit test for rational.c" if !KUNIT_ALL_TESTS + depends on KUNIT && RATIONAL + default KUNIT_ALL_TESTS + help + This builds the rational math unit test. + For more information on KUnit and unit tests in general please refer + to the KUnit documentation in Documentation/dev-tools/kunit/. + + If unsure, say N. + +config MEMCPY_KUNIT_TEST + tristate "Test memcpy(), memmove(), and memset() functions at runtime" if !KUNIT_ALL_TESTS + depends on KUNIT + default KUNIT_ALL_TESTS + help + Builds unit tests for memcpy(), memmove(), and memset() functions. + For more information on KUnit and unit tests in general please refer + to the KUnit documentation in Documentation/dev-tools/kunit/. + + If unsure, say N. + config TEST_UDELAY tristate "udelay test driver" help |