X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fpowerpc%2FKconfig.debug;h=6cb57e0e6b77944a5780512baaae528b57c718d8;hb=9cf9e19667f6ce01bd509a154157270069f836f9;hp=e29ef77d3b0016ef7d164ce28b5176194e6efeb7;hpb=3aa590c6b7c89d844f81c2e96f295cf2c6967773;p=linux-2.6-omap-h63xx.git diff --git a/arch/powerpc/Kconfig.debug b/arch/powerpc/Kconfig.debug index e29ef77d3b0..6cb57e0e6b7 100644 --- a/arch/powerpc/Kconfig.debug +++ b/arch/powerpc/Kconfig.debug @@ -4,20 +4,34 @@ source "lib/Kconfig.debug" config DEBUG_STACKOVERFLOW bool "Check for stack overflows" - depends on DEBUG_KERNEL && PPC64 + 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 && PPC64 + 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 HCALL_STATS + bool "Hypervisor call instrumentation" + depends on PPC_PSERIES && DEBUG_FS + help + Adds code to keep track of the number of hypervisor calls made and + the amount of time spent in hypervisor callsr. Wall time spent in + each call is always calculated, and if available CPU cycles spent + are also calculated. A directory named hcall_inst is added at the + root of the debugfs filesystem. Within the hcall_inst directory + are files that contain CPU specific call statistics. + + This option will add a small amount of overhead to all hypervisor + calls. + config DEBUGGER bool "Enable debugger hooks" depends on DEBUG_KERNEL @@ -63,7 +77,7 @@ config KGDB_CONSOLE config XMON bool "Include xmon kernel debugger" - depends on DEBUGGER && !PPC_ISERIES + depends on DEBUGGER help Include in-kernel hooks for the xmon kernel monitor/debugger. Unless you are intending to debug the kernel, say N here. @@ -74,6 +88,8 @@ config XMON very early during boot. 'xmon=on' will just enable the xmon debugger hooks. 'xmon=off' will disable the debugger hooks if CONFIG_XMON_DEFAULT is set. + xmon will print a backtrace on the very first invocation. + 'xmon=nobt' will disable this autobacktrace. config XMON_DEFAULT bool "Enable xmon by default" @@ -82,6 +98,15 @@ config XMON_DEFAULT xmon is normally disabled unless booted with 'xmon=on'. Use 'xmon=off' to disable xmon init during runtime. +config XMON_DISASSEMBLY + bool "Include disassembly support in xmon" + depends on XMON + default y + help + Include support for disassembling in xmon. You probably want + to say Y here, unless you're building for a memory-constrained + system. + config IRQSTACKS bool "Use separate kernel stacks when processing interrupts" depends on PPC64 @@ -100,7 +125,7 @@ config BDI_SWITCH config BOOTX_TEXT bool "Support for early boot text console (BootX or OpenFirmware only)" - depends PPC_OF && !PPC_ISERIES + depends PPC_OF help Say Y here to see progress messages from the boot firmware in text mode. Requires either BootX or Open Firmware.