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authorPaul Mundt <lethal@linux-sh.org>2006-09-27 18:20:16 +0900
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 18:20:16 +0900
commitd153ea88dccf003173315b5d21acabebb897fb4a (patch)
tree5cdc96ef0ec58026d82c03f76250ac1833f566d4 /arch/sh/Kconfig.debug
parent7a440c950efb5cdc8a05cc6c3ec8fc864b60ef77 (diff)
downloadop-kernel-dev-d153ea88dccf003173315b5d21acabebb897fb4a.zip
op-kernel-dev-d153ea88dccf003173315b5d21acabebb897fb4a.tar.gz
sh: stack debugging support.
This adds a DEBUG_STACK_USAGE and DEBUG_STACKOVERFLOW for SH. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/Kconfig.debug')
-rw-r--r--arch/sh/Kconfig.debug16
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug
index 75ed1be..f0188e6 100644
--- a/arch/sh/Kconfig.debug
+++ b/arch/sh/Kconfig.debug
@@ -30,6 +30,22 @@ config EARLY_PRINTK
when the kernel may crash or hang before the serial console is
initialised. If unsure, say N.
+config DEBUG_STACKOVERFLOW
+ bool "Check for stack overflows"
+ depends on DEBUG_KERNEL
+ help
+ This option will cause messages to be printed if free stack space
+ drops below a certain limit.
+
+config DEBUG_STACK_USAGE
+ bool "Stack utilization instrumentation"
+ depends on DEBUG_KERNEL
+ help
+ Enables the display of the minimum amount of free stack which each
+ task has ever had available in the sysrq-T and sysrq-P debug output.
+
+ This option will slow down process creation somewhat.
+
config KGDB
bool "Include KGDB kernel debugger"
select FRAME_POINTER
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