diff options
| author | Mark Brown <broonie@sirena.org.uk> | 2013-06-14 17:42:49 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@sirena.org.uk> | 2013-06-14 17:42:49 +0100 |
| commit | c4d0a06860b8ade51836f07ae050245f9059c6d6 (patch) | |
| tree | 88931d8ccb3cc94bb2a895149ff18dfc448e3324 /lib/Kconfig.debug | |
| parent | ebb7c3b1a10a2cd3986f2db60612d2c6fbb915ab (diff) | |
| parent | 1f76bce8544acd38f7bb1e822540f8ca521e1b7f (diff) | |
Merge remote-tracking branch 'jstultz-android/linaro-fixes/experimental/android-3.9' into merge-androidlsk-android-2013.06
Conflicts:
arch/arm/common/Makefile
arch/arm/include/asm/irq.h
arch/arm/include/asm/smp.h
arch/arm/kernel/smp.c
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 28be08c09ba..5a1efcd7253 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -191,15 +191,27 @@ config LOCKUP_DETECTOR The overhead should be minimal. A periodic hrtimer runs to generate interrupts and kick the watchdog task every 4 seconds. An NMI is generated every 10 seconds or so to check for hardlockups. + If NMIs are not available on the platform, every 12 seconds the + hrtimer interrupt on one cpu will be used to check for hardlockups + on the next cpu. The frequency of hrtimer and NMI events and the soft and hard lockup thresholds can be controlled through the sysctl watchdog_thresh. -config HARDLOCKUP_DETECTOR +config HARDLOCKUP_DETECTOR_NMI def_bool y depends on LOCKUP_DETECTOR && !HAVE_NMI_WATCHDOG depends on PERF_EVENTS && HAVE_PERF_EVENTS_NMI +config HARDLOCKUP_DETECTOR_OTHER_CPU + def_bool y + depends on LOCKUP_DETECTOR && SMP + depends on !HARDLOCKUP_DETECTOR_NMI && !HAVE_NMI_WATCHDOG + +config HARDLOCKUP_DETECTOR + def_bool y + depends on HARDLOCKUP_DETECTOR_NMI || HARDLOCKUP_DETECTOR_OTHER_CPU + config BOOTPARAM_HARDLOCKUP_PANIC bool "Panic (Reboot) On Hard Lockups" depends on HARDLOCKUP_DETECTOR @@ -669,8 +681,9 @@ config DEBUG_LOCKING_API_SELFTESTS mutexes and rwsems. config STACKTRACE - bool + bool "Stacktrace" depends on STACKTRACE_SUPPORT + default y config DEBUG_STACK_USAGE bool "Stack utilization instrumentation" |