Messages in this thread Patch in this message | | | From | Waiman Long <> | Subject | [PATCH v3 2/2] locking/debug: Add a master lock debugging switch | Date | Tue, 27 Mar 2018 17:38:10 -0400 |
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Add a new master LOCK_DEBUGGING Kconfig option to turn on all the lock debugging options except the selftests and the torture tests.
Signed-off-by: Waiman Long <longman@redhat.com> --- lib/Kconfig.debug | 32 +++++++++++++++++++++++++++----- 1 file changed, 27 insertions(+), 5 deletions(-)
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 0958192..817d78d 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -1034,6 +1034,28 @@ config DEBUG_PREEMPT menu "Lock Debugging (spinlocks, mutexes, etc...)" +config LOCK_DEBUGGING_SUPPORT + bool + depends on TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + default y + +config LOCK_DEBUGGING + bool "Turn on all lock debugging" + depends on DEBUG_KERNEL + select DEBUG_SPINLOCK + select DEBUG_MUTEXES + select DEBUG_RT_MUTEXES if RT_MUTEXES + select DEBUG_RWSEMS if RWSEM_SPIN_ON_OWNER + select DEBUG_WW_MUTEX_SLOWPATH if LOCK_DEBUGGING_SUPPORT + select DEBUG_LOCK_ALLOC if LOCK_DEBUGGING_SUPPORT + select PROVE_LOCKING if LOCK_DEBUGGING_SUPPORT + select LOCK_STAT if LOCK_DEBUGGING_SUPPORT + select DEBUG_LOCKDEP if LOCK_DEBUGGING_SUPPORT + select DEBUG_ATOMIC_SLEEP + help + This turns on all the lock debugging code in the kernel except + the selftests and the torture tests. + config DEBUG_RT_MUTEXES bool "RT Mutex debugging, deadlock detection" depends on DEBUG_KERNEL && RT_MUTEXES @@ -1060,7 +1082,7 @@ config DEBUG_MUTEXES config DEBUG_WW_MUTEX_SLOWPATH bool "Wait/wound mutex debugging: Slowpath testing" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_LOCK_ALLOC select DEBUG_SPINLOCK select DEBUG_MUTEXES @@ -1084,7 +1106,7 @@ config DEBUG_RWSEMS config DEBUG_LOCK_ALLOC bool "Lock debugging: detect incorrect freeing of live locks" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select DEBUG_SPINLOCK select DEBUG_MUTEXES select DEBUG_RT_MUTEXES if RT_MUTEXES @@ -1099,7 +1121,7 @@ config DEBUG_LOCK_ALLOC config PROVE_LOCKING bool "Lock debugging: prove locking correctness" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK select DEBUG_MUTEXES @@ -1143,7 +1165,7 @@ config PROVE_LOCKING config LOCKDEP bool - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select STACKTRACE select FRAME_POINTER if !MIPS && !PPC && !ARM_UNWIND && !S390 && !MICROBLAZE && !ARC && !SCORE && !X86 select KALLSYMS @@ -1154,7 +1176,7 @@ config LOCKDEP_SMALL config LOCK_STAT bool "Lock usage statistics" - depends on DEBUG_KERNEL && TRACE_IRQFLAGS_SUPPORT && STACKTRACE_SUPPORT && LOCKDEP_SUPPORT + depends on DEBUG_KERNEL && LOCK_DEBUGGING_SUPPORT select LOCKDEP select DEBUG_SPINLOCK select DEBUG_MUTEXES -- 1.8.3.1
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