diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 40 |
1 files changed, 34 insertions, 6 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index e2cd7fbf31c0..1b4afd2e6ca0 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -76,7 +76,6 @@ config UNUSED_SYMBOLS config DEBUG_FS bool "Debug Filesystem" - depends on SYSFS help debugfs is a virtual file system that kernel developers use to put debugging files into. Enable this option to be able to read and @@ -312,6 +311,12 @@ config DEBUG_OBJECTS_WORK work queue routines to track the life time of work objects and validate the work operations. +config DEBUG_OBJECTS_RCU_HEAD + bool "Debug RCU callbacks objects" + depends on DEBUG_OBJECTS && PREEMPT + help + Enable this to turn on debugging of RCU list heads (call_rcu() usage). + config DEBUG_OBJECTS_ENABLE_DEFAULT int "debug_objects bootup default value (0-1)" range 0 1 @@ -405,6 +410,13 @@ config DEBUG_KMEMLEAK_TEST If unsure, say N. +config DEBUG_KMEMLEAK_DEFAULT_OFF + bool "Default kmemleak to off" + depends on DEBUG_KMEMLEAK + help + Say Y here to disable kmemleak by default. It can then be enabled + on the command line via kmemleak=on. + config DEBUG_PREEMPT bool "Debug preemptible kernel" depends on DEBUG_KERNEL && PREEMPT && TRACE_IRQFLAGS_SUPPORT @@ -533,7 +545,7 @@ config LOCKDEP bool depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT select STACKTRACE - select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 + select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE select KALLSYMS select KALLSYMS_ALL @@ -633,6 +645,19 @@ config DEBUG_INFO If unsure, say N. +config DEBUG_INFO_REDUCED + bool "Reduce debugging information" + depends on DEBUG_INFO + help + If you say Y here gcc is instructed to generate less debugging + information for structure types. This means that tools that + need full debugging information (like kgdb or systemtap) won't + be happy. But if you merely need debugging information to + resolve line numbers there is no loss. Advantage is that + build directory object sizes shrink dramatically over a full + DEBUG_INFO build and compile times are reduced too. + Only works with newer gcc versions. + config DEBUG_VM bool "Debug VM" depends on DEBUG_KERNEL @@ -942,7 +967,7 @@ config FAIL_MAKE_REQUEST Provide fault-injection capability for disk IO. config FAIL_IO_TIMEOUT - bool "Faul-injection capability for faking disk interrupts" + bool "Fault-injection capability for faking disk interrupts" depends on FAULT_INJECTION && BLOCK help Provide fault-injection capability on end IO handling. This @@ -963,19 +988,22 @@ config FAULT_INJECTION_STACKTRACE_FILTER depends on FAULT_INJECTION_DEBUG_FS && STACKTRACE_SUPPORT depends on !X86_64 select STACKTRACE - select FRAME_POINTER if !PPC && !S390 + select FRAME_POINTER if !PPC && !S390 && !MICROBLAZE help Provide stacktrace filter for fault-injection capabilities config LATENCYTOP bool "Latency measuring infrastructure" - select FRAME_POINTER if !MIPS && !PPC && !S390 + depends on HAVE_LATENCYTOP_SUPPORT + depends on DEBUG_KERNEL + depends on STACKTRACE_SUPPORT + depends on PROC_FS + select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE select KALLSYMS select KALLSYMS_ALL select STACKTRACE select SCHEDSTATS select SCHED_DEBUG - depends on HAVE_LATENCYTOP_SUPPORT help Enable this option if you want to use the LatencyTOP tool to find out which userspace is blocking on what kernel operations. |