diff options
| author | Tony Luck <tony.luck@intel.com> | 2005-09-08 14:27:13 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-09-08 14:27:13 -0700 |
| commit | 344a076110f4ecb16ea6d286b63be696604982ed (patch) | |
| tree | def6e229efdb6ee91b631b6695bf7f9ace8e2719 /lib/Kconfig.debug | |
| parent | 9b17e7e74e767d8a494a74c3c459aeecd1e08c5f (diff) | |
| parent | 1b11d78cf87a7014f96e5b7fa2e1233cc8081a00 (diff) | |
[IA64] Manual merge fix for 3 files
arch/ia64/Kconfig
arch/ia64/kernel/acpi.c
include/asm-ia64/irq.h
Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 299f7f3b5b0..3754c9a8f5c 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -46,6 +46,25 @@ config LOG_BUF_SHIFT 13 => 8 KB 12 => 4 KB +config DETECT_SOFTLOCKUP + bool "Detect Soft Lockups" + depends on DEBUG_KERNEL + default y + help + Say Y here to enable the kernel to detect "soft lockups", + which are bugs that cause the kernel to loop in kernel + mode for more than 10 seconds, without giving other tasks a + chance to run. + + When a soft-lockup is detected, the kernel will print the + current stack trace (which you should report), but the + system will stay locked up. This feature has negligible + overhead. + + (Note that "hard lockups" are separate type of bugs that + can be detected via the NMI-watchdog, on platforms that + support it.) + config SCHEDSTATS bool "Collect scheduler statistics" depends on DEBUG_KERNEL && PROC_FS |