CONFIG_RCU_CPU_STALL_TIMEOUT: RCU CPU stall timeout in seconds

General informations

The Linux kernel configuration item CONFIG_RCU_CPU_STALL_TIMEOUT has multiple definitions:

RCU CPU stall timeout in seconds found in kernel/rcu/Kconfig.debug

The configuration item CONFIG_RCU_CPU_STALL_TIMEOUT:

• prompt: RCU CPU stall timeout in seconds
• type: int
• depends on: CONFIG_RCU_STALL_COMMON
• defined in kernel/rcu/Kconfig.debug
• found in Linux kernels: 4.13–4.20, 5.0–5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

If a given RCU grace period extends more than the specified number of seconds, a CPU stall warning is printed. If the RCU grace period persists, additional CPU stall warnings are printed at more widely spaced intervals.

RCU CPU stall timeout in seconds found in lib/Kconfig.debug

The configuration item CONFIG_RCU_CPU_STALL_TIMEOUT:

• prompt: RCU CPU stall timeout in seconds
• type: int
• depends on: CONFIG_RCU_STALL_COMMON
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.37–2.6.39, 3.0–3.19, 4.0–4.12

Help text

If a given RCU grace period extends more than the specified number of seconds, a CPU stall warning is printed. If the RCU grace period persists, additional CPU stall warnings are printed at more widely spaced intervals.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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