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| author | Ingo Molnar <mingo@kernel.org> | 2015-04-02 13:22:35 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-04-02 13:22:35 +0200 |
| commit | 223aa646d5aa6096230a9481e4c6c9cb67cfc4a6 (patch) | |
| tree | 3e9013b2d6a099fabf4c5148dd9e522e04f8f073 /lib | |
| parent | aaa9fa387541a30f6f4138bea6e082319de5e3fe (diff) | |
| parent | 34f439278cef7b1177f8ce24f9fc81dfc6221d3b (diff) | |
Merge branch 'perf/timer' into perf/core
This WIP branch is now ready to be merged.
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 c5cefb3c009c..36b6fa88ce5b 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 |