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The Linux kernel configuration item CONFIG_RCU_TRACE
has multiple definitions:
kernel/rcu/Kconfig.debug
The configuration item CONFIG_RCU_TRACE:
( CONFIG_DEBUG_KERNEL ) && ( CONFIG_TREE_RCU )
This option enables additional tracepoints for ftrace-style event tracing.
Say Y here if you want to enable RCU tracing Say N if you are unsure.
lib/Kconfig.debug
The configuration item CONFIG_RCU_TRACE:
( CONFIG_DEBUG_KERNEL ) && ( CONFIG_TREE_RCU )
This option provides tracing in RCU which presents stats in debugfs for debugging RCU implementation. It also enables additional tracepoints for ftrace-style event tracing.
Say Y here if you want to enable RCU tracing Say N if you are unsure.
init/Kconfig
The configuration item CONFIG_RCU_TRACE:
(none)
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.
kernel/Kconfig.preempt
The configuration item CONFIG_RCU_TRACE:
CONFIG_PREEMPT_RCU
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.
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