diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 1ba77ca7d165..fab32a286371 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -105,6 +105,15 @@ config DETECT_SOFTLOCKUP can be detected via the NMI-watchdog, on platforms that support it.) +config SCHED_DEBUG + bool "Collect scheduler debugging info" + depends on DEBUG_KERNEL && PROC_FS + default y + help + If you say Y here, the /proc/sched_debug file will be provided + that can help debug the scheduler. The runtime overhead of this + option is minimal. + config SCHEDSTATS bool "Collect scheduler statistics" depends on DEBUG_KERNEL && PROC_FS @@ -126,7 +135,10 @@ config TIMER_STATS reprogrammed. The statistics can be read from /proc/timer_stats. The statistics collection is started by writing 1 to /proc/timer_stats, writing 0 stops it. This feature is useful to collect information - about timer usage patterns in kernel and userspace. + about timer usage patterns in kernel and userspace. This feature + is lightweight if enabled in the kernel config but not activated + (it defaults to deactivated on bootup and will only be activated + if some application like powertop activates it explicitly). config DEBUG_SLAB bool "Debug slab memory allocations" |