stacktrace: add saved stack traces to backtrace self-test

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / lib / Kconfig.debug

diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 754cc0027f2a8acc6f8358dd6a1ae0b1346845ba..6263e2d851f1f0d9b4201d15a678f0871c889dd1 100644 (file)
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -194,6 +194,37 @@ config TIMER_STATS
          (it defaults to deactivated on bootup and will only be activated
          if some application like powertop activates it explicitly).
 
+config DEBUG_OBJECTS
+       bool "Debug object operations"
+       depends on DEBUG_KERNEL
+       help
+         If you say Y here, additional code will be inserted into the
+         kernel to track the life time of various objects and validate
+         the operations on those objects.
+
+config DEBUG_OBJECTS_SELFTEST
+       bool "Debug objects selftest"
+       depends on DEBUG_OBJECTS
+       help
+         This enables the selftest of the object debug code.
+
+config DEBUG_OBJECTS_FREE
+       bool "Debug objects in freed memory"
+       depends on DEBUG_OBJECTS
+       help
+         This enables checks whether a k/v free operation frees an area
+         which contains an object which has not been deactivated
+         properly. This can make kmalloc/kfree-intensive workloads
+         much slower.
+
+config DEBUG_OBJECTS_TIMERS
+       bool "Debug timer objects"
+       depends on DEBUG_OBJECTS
+       help
+         If you say Y here, additional code will be inserted into the
+         timer routines to track the life time of timer objects and
+         validate the timer operations.
+
 config DEBUG_SLAB
        bool "Debug slab memory allocations"
        depends on DEBUG_KERNEL && SLAB
@@ -388,7 +419,6 @@ config DEBUG_LOCKING_API_SELFTESTS
 
 config STACKTRACE
        bool
-       depends on DEBUG_KERNEL
        depends on STACKTRACE_SUPPORT
 
 config DEBUG_KOBJECT
@@ -532,6 +562,9 @@ config BACKTRACE_SELF_TEST
          for distributions or general kernels, but only for kernel
          developers working on architecture code.
 
+         Note that if you want to also test saved backtraces, you will
+         have to enable STACKTRACE as well.
+
          Say N if you are unsure.
 
 config LKDTM