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CONFIG_RCU_CPU_STALL_INFO: Print additional diagnostics on RCU CPU stall

General informations

The Linux kernel configuration item CONFIG_RCU_CPU_STALL_INFO:

Help text

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.



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