kernel/rcu/Kconfig.debug

3 # RCU-related debugging configuration options
6 menu "RCU Debugging"
12 	bool "RCU list lockdep debugging"
16 	  Enable RCU lockdep checking for list usages. By default it is
17 	  turned off since there are several list RCU users that still
27 	tristate "performance tests for RCU"
33 	  tests on the RCU infrastructure.  The kernel module may be built
36 	  Say Y here if you want RCU performance tests to be built into
38 	  Say M if you want the RCU performance tests to build as a module.
42 	tristate "torture tests for RCU"
48 	  on the RCU infrastructure.  The kernel module may be built
51 	  Say Y here if you want RCU torture tests to be built into
53 	  Say M if you want the RCU torture tests to build as a module.
65 	  must be enabled for the RCU-nesting checks to take effect.
102 	tristate "Scalability tests for read-side synchronization (RCU and others)"
108 	  useful comparing RCU with various read-side synchronization mechanisms.
117 	int "RCU CPU stall timeout in seconds"
122 	  If a given RCU grace period extends more than the specified
124 	  RCU grace period persists, additional CPU stall warnings are
128 	int "Expedited RCU CPU stall timeout in milliseconds"
133 	  If a given expedited RCU grace period extends more than the
135 	  If the RCU grace period persists, additional CPU stall warnings
141 	bool "Provide additional RCU stall debug information"
148 	  RCU stall report. For multiple continuous RCU stalls, all sampling
149 	  periods begin at half of the first RCU stall timeout.
154 	bool "Provide RCU CPU-stall notifiers"
162 	  Enable RCU CPU-stall notifiers, which are invoked just before
163 	  printing the RCU CPU stall warning.  As such, bugs in notifier
169 	  that the whole reason that the RCU CPU stall is happening in
173 	  RCU CPU stall warning from appearing.
175 	  Say Y here if you want RCU CPU stall notifiers (you don't want them)
179 	bool "Enable tracing for RCU"
187 	  Say Y here if you want to enable RCU tracing
194 	  This option provides consistency checks in RCU's handling of
202 	bool "Provide debug RCU implementation with short grace periods"
207 	  Select this option to build an RCU variant that is strict about
213 	  when looking for certain types of RCU usage bugs, for example,
214 	  too-short RCU read-side critical sections.
216 endmenu # "RCU Debugging"