CONFIG_DEBUG_BLK_CGROUP: IO controller debugging

General informations

The Linux kernel configuration item CONFIG_DEBUG_BLK_CGROUP has multiple definitions:

IO controller debugging found in init/Kconfig

The configuration item CONFIG_DEBUG_BLK_CGROUP:

• prompt: IO controller debugging
• type: bool
• depends on: CONFIG_BLK_CGROUP
• defined in init/Kconfig
• found in Linux kernels: 4.5–4.20, 5.0–5.2

Help text

Enable some debugging help. Currently it exports additional stat files in a cgroup which can be useful for debugging.

Enable Block IO controller debugging found in init/Kconfig

The configuration item CONFIG_DEBUG_BLK_CGROUP:

• prompt: Enable Block IO controller debugging
• type: bool
• depends on: CONFIG_BLK_CGROUP
• defined in init/Kconfig
• found in Linux kernels: 2.6.35–2.6.39, 3.0–3.19, 4.0–4.4

Help text

Enable some debugging help. Currently it exports additional stat files in a cgroup which can be useful for debugging.

found in block/Kconfig

The configuration item CONFIG_DEBUG_BLK_CGROUP:

• prompt:
• type: bool
• depends on: CONFIG_BLK_CGROUP
• defined in block/Kconfig
• found in Linux kernels: 2.6.33–2.6.34

Help text

Enable some debugging help. Currently it stores the cgroup path in the blk group which can be used by cfq for tracing various group related activity.

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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