diff options
Diffstat (limited to 'lib/Kconfig.debug')
| -rw-r--r-- | lib/Kconfig.debug | 34 |
1 files changed, 25 insertions, 9 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 9739c0b45e9..f7af95d304c 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -184,7 +184,7 @@ config LOCKUP_DETECTOR config HARDLOCKUP_DETECTOR def_bool LOCKUP_DETECTOR && PERF_EVENTS && HAVE_PERF_EVENTS_NMI && \ - !ARCH_HAS_NMI_WATCHDOG + !HAVE_NMI_WATCHDOG config BOOTPARAM_HARDLOCKUP_PANIC bool "Panic (Reboot) On Hard Lockups" @@ -931,6 +931,30 @@ config RCU_CPU_STALL_VERBOSE Say Y if you want to enable such checks. +config RCU_CPU_STALL_INFO + bool "Print additional diagnostics on RCU CPU stall" + depends on (TREE_RCU || TREE_PREEMPT_RCU) && DEBUG_KERNEL + default n + help + For each stalled CPU that is aware of the current RCU grace + period, print out additional per-CPU diagnostic information + regarding scheduling-clock ticks, idle state, and, + for RCU_FAST_NO_HZ kernels, idle-entry state. + + Say N if you are unsure. + + Say Y if you want to enable such diagnostics. + +config RCU_TRACE + bool "Enable tracing for RCU" + depends on DEBUG_KERNEL + help + This option provides tracing in RCU which presents stats + in debugfs for debugging RCU implementation. + + Say Y here if you want to enable RCU tracing + Say N if you are unsure. + config KPROBES_SANITY_TEST bool "Kprobes sanity tests" depends on DEBUG_KERNEL @@ -1117,14 +1141,6 @@ config LATENCYTOP Enable this option if you want to use the LatencyTOP tool to find out which userspace is blocking on what kernel operations. -config SYSCTL_SYSCALL_CHECK - bool "Sysctl checks" - depends on SYSCTL - ---help--- - sys_sysctl uses binary paths that have been found challenging - to properly maintain and use. This enables checks that help - you to keep things correct. - source mm/Kconfig.debug source kernel/trace/Kconfig |