Merge branch 'tip/perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...

[pandora-kernel.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 9e06b7f..e85d549 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -482,6 +482,7 @@ config PROVE_LOCKING
        select DEBUG_SPINLOCK
        select DEBUG_MUTEXES
        select DEBUG_LOCK_ALLOC
+       select TRACE_IRQFLAGS
        default n
        help
         This feature enables the kernel to prove that all locking
@@ -579,11 +580,10 @@ config DEBUG_LOCKDEP
          of more runtime overhead.
 
 config TRACE_IRQFLAGS
-       depends on DEBUG_KERNEL
        bool
-       default y
-       depends on TRACE_IRQFLAGS_SUPPORT
-       depends on PROVE_LOCKING
+       help
+         Enables hooks to interrupt enabling and disabling for
+         either tracing or lock debugging.
 
 config DEBUG_SPINLOCK_SLEEP
        bool "Spinlock debugging: sleep-inside-spinlock checking"
@@ -994,13 +994,16 @@ config FAULT_INJECTION_STACKTRACE_FILTER
 
 config LATENCYTOP
        bool "Latency measuring infrastructure"
+       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.