X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=lib%2FKconfig.debug;h=9c17fb9d1d5e4c88c71673cbdb977f8adb97a942;hb=886dd58258e6ddebe20e7aebef7b167a24bad7ee;hp=623ef24c23812894c1617f0db781fb3065d6bdf2;hpb=ad775f5a8faa5845377f093ca11caf577404add9;p=safe%2Fjmp%2Flinux-2.6 diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 623ef24..9c17fb9 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -25,6 +25,17 @@ config ENABLE_MUST_CHECK suppress the "warning: ignoring return value of 'foo', declared with attribute warn_unused_result" messages. +config FRAME_WARN + int "Warn for stack frames larger than (needs gcc 4.4)" + range 0 8192 + default 1024 if !64BIT + default 2048 if 64BIT + help + Tell gcc to warn at build time for stack frames larger than this. + Setting this too low will cause a lot of warnings. + Setting it to 0 disables the warning. + Requires gcc 4.4 + config MAGIC_SYSRQ bool "Magic SysRq key" depends on !UML @@ -183,6 +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 @@ -377,7 +419,6 @@ config DEBUG_LOCKING_API_SELFTESTS config STACKTRACE bool - depends on DEBUG_KERNEL depends on STACKTRACE_SUPPORT config DEBUG_KOBJECT