CONFIG_VIRT_CPU_ACCOUNTING:

General informations

The Linux kernel configuration item CONFIG_VIRT_CPU_ACCOUNTING has multiple definitions:

found in init/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt:
• type: bool
• depends on: (none)
• defined in init/Kconfig
• found in Linux kernels: 3.9–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

(none)

Deterministic task and CPU time accounting found in init/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt: Deterministic task and CPU time accounting
• type: bool
• depends on: CONFIG_HAVE_VIRT_CPU_ACCOUNTING
• defined in init/Kconfig
• found in Linux kernels: 3.7–3.8

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.

Deterministic task and CPU time accounting found in arch/powerpc/platforms/Kconfig.cputype

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt: Deterministic task and CPU time accounting
• type: bool
• depends on: CONFIG_PPC64
• defined in arch/powerpc/platforms/Kconfig.cputype
• found in Linux kernels: 2.6.23–2.6.39, 3.0–3.6

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. This also enables accounting of stolen time on logically-partitioned systems running on IBM POWER5-based machines.

If in doubt, say Y here.

Deterministic task and CPU time accounting found in arch/ia64/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt: Deterministic task and CPU time accounting
• type: bool
• depends on: (none)
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.6.26–2.6.39, 3.0–3.6

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. If in doubt, say N here.

found in arch/s390/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt:
• type: bool
• depends on: (none)
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.29–2.6.39, 3.0–3.6

Help text

(none)

Base user process accounting on virtual cpu timer found in arch/s390/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt: Base user process accounting on virtual cpu timer
• type: bool
• depends on: CONFIG_VIRT_TIMER
• defined in arch/s390/Kconfig
• found in Linux kernels: 2.6.11–2.6.28

Help text

Select this option to use CPU timer deltas to do user process accounting.

Deterministic task and CPU time accounting found in arch/powerpc/Kconfig

The configuration item CONFIG_VIRT_CPU_ACCOUNTING:

• prompt: Deterministic task and CPU time accounting
• type: bool
• depends on: CONFIG_PPC64
• defined in arch/powerpc/Kconfig
• found in Linux kernels: 2.6.17–2.6.22

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. This also enables accounting of stolen time on logically-partitioned systems running on IBM POWER5-based machines.

If in doubt, say Y here.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

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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