# Help: Debugging for CI systems and finding regressions # # The config is based on running daily CI for enterprise Linux distros to # seek regressions on linux-next builds on different bare-metal and virtual # platforms. It can be used for example, # # $ make ARCH=arm64 defconfig debug.config # # Keep alphabetically sorted inside each section. # # printk and dmesg options # CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DYNAMIC_DEBUG=y CONFIG_PRINTK_CALLER=y CONFIG_PRINTK_TIME=y CONFIG_SYMBOLIC_ERRNAME=y # # Compile-time checks and compiler options # CONFIG_DEBUG_INFO=y CONFIG_DEBUG_INFO_DWARF_TOOLCHAIN_DEFAULT=y CONFIG_DEBUG_SECTION_MISMATCH=y CONFIG_FRAME_WARN=2048 CONFIG_SECTION_MISMATCH_WARN_ONLY=y # # Generic Kernel Debugging Instruments # # CONFIG_UBSAN_ALIGNMENT is not set # CONFIG_UBSAN_DIV_ZERO is not set # CONFIG_UBSAN_TRAP is not set # CONFIG_WARN_ALL_UNSEEDED_RANDOM is not set CONFIG_DEBUG_FS=y CONFIG_DEBUG_FS_ALLOW_ALL=y CONFIG_DEBUG_IRQFLAGS=y CONFIG_UBSAN=y CONFIG_UBSAN_BOOL=y CONFIG_UBSAN_BOUNDS=y CONFIG_UBSAN_ENUM=y CONFIG_UBSAN_SHIFT=y CONFIG_UBSAN_UNREACHABLE=y # # Networking Debugging # CONFIG_NET_DEV_REFCNT_TRACKER=y CONFIG_NET_NS_REFCNT_TRACKER=y CONFIG_DEBUG_NET=y # # Memory Debugging # # CONFIG_DEBUG_PAGEALLOC is not set # CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF is not set # CONFIG_DEBUG_RODATA_TEST is not set # CONFIG_DEBUG_WX is not set # CONFIG_KFENCE is not set # CONFIG_PAGE_POISONING is not set # CONFIG_SLUB_STATS is not set CONFIG_PAGE_EXTENSION=y CONFIG_PAGE_OWNER=y CONFIG_DEBUG_KMEMLEAK=y CONFIG_DEBUG_KMEMLEAK_AUTO_SCAN=y CONFIG_DEBUG_OBJECTS=y CONFIG_DEBUG_OBJECTS_ENABLE_DEFAULT=1 CONFIG_DEBUG_OBJECTS_FREE=y CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER=y CONFIG_DEBUG_OBJECTS_RCU_HEAD=y CONFIG_DEBUG_OBJECTS_TIMERS=y CONFIG_DEBUG_OBJECTS_WORK=y CONFIG_DEBUG_PER_CPU_MAPS=y CONFIG_DEBUG_STACK_USAGE=y CONFIG_DEBUG_VIRTUAL=y CONFIG_DEBUG_VM=y CONFIG_DEBUG_VM_PGFLAGS=y CONFIG_DEBUG_VM_RB=y CONFIG_DEBUG_VM_VMACACHE=y CONFIG_GENERIC_PTDUMP=y CONFIG_KASAN=y CONFIG_KASAN_GENERIC=y CONFIG_KASAN_INLINE=y CONFIG_KASAN_VMALLOC=y CONFIG_PTDUMP_DEBUGFS=y CONFIG_SCHED_STACK_END_CHECK=y CONFIG_SLUB_DEBUG_ON=y # # Debug Oops, Lockups and Hangs # # CONFIG_BOOTPARAM_HUNG_TASK_PANIC is not set # CONFIG_BOOTPARAM_SOFTLOCKUP_PANIC is not set CONFIG_DEBUG_ATOMIC_SLEEP=y CONFIG_DETECT_HUNG_TASK=y CONFIG_PANIC_ON_OOPS=y CONFIG_PANIC_TIMEOUT=0 CONFIG_SOFTLOCKUP_DETECTOR=y # # Lock Debugging (spinlocks, mutexes, etc...) # # CONFIG_PROVE_RAW_LOCK_NESTING is not set CONFIG_PROVE_LOCKING=y # # Debug kernel data structures # CONFIG_BUG_ON_DATA_CORRUPTION=y # # RCU Debugging # CONFIG_PROVE_RCU=y CONFIG_PROVE_RCU_LIST=y # # Tracers # CONFIG_BRANCH_PROFILE_NONE=y CONFIG_DYNAMIC_FTRACE=y CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y