CONFIG_RCU_CPU_STALL_INFO: Print additional diagnostics on RCU CPU stall

General informations

The Linux kernel configuration item CONFIG_RCU_CPU_STALL_INFO:

• prompt: Print additional diagnostics on RCU CPU stall
• type: bool
• depends on: ( CONFIG_TREE_RCU || CONFIG_PREEMPT_RCU ) && CONFIG_DEBUG_KERNEL
• defined in lib/Kconfig.debug
• found in Linux kernels: 3.4–3.19, 4.0–4.2

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.

Hardware

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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