This commit was manufactured by cvs2svn to create tag

[linux-2.6.git] / arch / i386 / Kconfig.debug

diff --git a/arch/i386/Kconfig.debug b/arch/i386/Kconfig.debug
index 7741c27..9e84881 100644 (file)
--- a/arch/i386/Kconfig.debug
+++ b/arch/i386/Kconfig.debug
@@ -2,6 +2,81 @@ menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
 
+config CRASH_DUMP
+       tristate "Crash dump support (EXPERIMENTAL)"
+       depends on EXPERIMENTAL
+       default n
+       ---help---
+         Say Y here to enable saving an image of system memory when a panic
+         or other error occurs. Dumps can also be forced with the SysRq+d
+         key if MAGIC_SYSRQ is enabled.
+
+config CRASH_DUMP_BLOCKDEV
+       tristate "Crash dump block device driver"
+       depends on CRASH_DUMP
+       help
+         Say Y to allow saving crash dumps directly to a disk device.
+
+config CRASH_DUMP_NETDEV
+       tristate "Crash dump network device driver"
+       depends on CRASH_DUMP
+       help
+         Say Y to allow saving crash dumps over a network device.
+
+config CRASH_DUMP_MEMDEV
+       bool "Crash dump staged memory driver"
+       depends on CRASH_DUMP
+       help
+         Say Y to allow intermediate saving crash dumps in spare 
+         memory pages which would then be written out to disk
+         later.
+
+config CRASH_DUMP_SOFTBOOT
+       bool "Save crash dump across a soft reboot"
+       depends on CRASH_DUMP_MEMDEV
+       help
+         Say Y to allow a crash dump to be preserved in memory
+         pages across a soft reboot and written out to disk
+         thereafter. For this to work, CRASH_DUMP must be 
+         configured as part of the kernel (not as a module).
+
+config CRASH_DUMP_COMPRESS_RLE
+       tristate "Crash dump RLE compression"
+       depends on CRASH_DUMP
+       help
+         Say Y to allow saving dumps with Run Length Encoding compression.
+
+config CRASH_DUMP_COMPRESS_GZIP
+       tristate "Crash dump GZIP compression"
+       select ZLIB_INFLATE
+       select ZLIB_DEFLATE
+       depends on CRASH_DUMP
+       help
+         Say Y to allow saving dumps with Gnu Zip compression.
+
+config EARLY_PRINTK
+       bool "Early printk" if EMBEDDED
+       default y
+       help
+         Write kernel log output directly into the VGA buffer or to a serial
+         port.
+
+         This is useful for kernel debugging when your machine crashes very
+         early before the console code is initialized. For normal operation
+         it is not recommended because it looks ugly and doesn't cooperate
+         with klogd/syslogd or the X server. You should normally N here,
+         unless you want to debug such a crash.
+
+config X86_FIND_SMP_CONFIG
+       bool
+       depends on X86_LOCAL_APIC || X86_VOYAGER
+       default y
+
+config X86_MPPARSE
+       bool
+       depends on X86_LOCAL_APIC && !X86_VISWS
+       default y
+
 config EARLY_PRINTK
        bool "Early printk" if EMBEDDED
        default y
@@ -73,7 +148,7 @@ config STACK_WARN
        the specified size.
 
 config X86_STACK_CHECK
-       bool "Aggressively check for stack overflows"
+       bool "Check for stack overflows"
        default n
        help
        Say Y here to have the kernel attempt to detect when the per-task
@@ -105,6 +180,18 @@ config DEBUG_PAGEALLOC
          This results in a large slowdown, but helps to find certain types
          of memory corruptions.
 
+config SCHEDSTATS
+       bool "Collect scheduler statistics"
+       depends on DEBUG_KERNEL && PROC_FS
+       help
+         If you say Y here, additional code will be inserted into the
+         scheduler and related routines to collect statistics about
+         scheduler behavior and provide them in /proc/schedstat.  These
+         stats may be useful for both tuning and debugging the scheduler
+         If you aren't debugging the scheduler or trying to tune a specific
+         application, you can say N to avoid the very slight overhead
+         this adds.
+
 config X86_FIND_SMP_CONFIG
        bool
        depends on X86_LOCAL_APIC || X86_VOYAGER