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| author | Ingo Molnar <mingo@kernel.org> | 2015-03-27 10:09:21 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-03-27 10:09:21 +0100 |
| commit | 4e6d7c2aa95158315902647963b359b32da5c295 (patch) | |
| tree | 5141f79302e1e653cde53bab6a981a1b7bfa47b0 /lib | |
| parent | 3c435c1e472ba344ee25f795f4807d4457e61f6c (diff) | |
| parent | fe5fba05b46c791c95a9f34228ac495f81f72fc0 (diff) | |
| download | op-kernel-dev-4e6d7c2aa95158315902647963b359b32da5c295.zip op-kernel-dev-4e6d7c2aa95158315902647963b359b32da5c295.tar.gz | |
Merge branch 'timers/core' into perf/timer, to apply dependent patch
An upcoming patch will depend on tai_ns() and NMI-safe ktime_get_raw_fast(),
so merge timers/core here in a separate topic branch until it's all cooked
and timers/core is merged upstream.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index c5cefb3..36b6fa8 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -865,6 +865,19 @@ config SCHED_STACK_END_CHECK data corruption or a sporadic crash at a later stage once the region is examined. The runtime overhead introduced is minimal. +config DEBUG_TIMEKEEPING + bool "Enable extra timekeeping sanity checking" + help + This option will enable additional timekeeping sanity checks + which may be helpful when diagnosing issues where timekeeping + problems are suspected. + + This may include checks in the timekeeping hotpaths, so this + option may have a (very small) performance impact to some + workloads. + + If unsure, say N. + config TIMER_STATS bool "Collect kernel timers statistics" depends on DEBUG_KERNEL && PROC_FS |
