CONFIG_VIRT_CPU_ACCOUNTING_NATIVE: Deterministic task and CPU time accounting

General informations

The Linux kernel configuration item CONFIG_VIRT_CPU_ACCOUNTING_NATIVE:

• prompt: Deterministic task and CPU time accounting
• type: bool
• depends on: CONFIG_HAVE_VIRT_CPU_ACCOUNTING && ! CONFIG_NO_HZ_FULL
• defined in init/Kconfig
• found in Linux kernels: 3.9–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

Select this option to enable more accurate task and CPU time accounting. This is done by reading a CPU counter on each kernel entry and exit and on transitions within the kernel between system, softirq and hardirq state, so there is a small performance impact. In the case of s390 or IBM POWER > 5, this also enables accounting of stolen time on logically-partitioned systems.

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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