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CONFIG_FSCACHE_STATS: Gather statistical information on local caching

General informations

The Linux kernel configuration item CONFIG_FSCACHE_STATS has multiple definitions:

Gather statistical information on local caching found in fs/netfs/Kconfig

The configuration item CONFIG_FSCACHE_STATS:

Help text

This option causes statistical information to be gathered on local caching and exported through file:

/proc/fs/fscache/stats

The gathering of statistics adds a certain amount of overhead to execution as there are a quite a few stats gathered, and on a multi-CPU system these may be on cachelines that keep bouncing between CPUs. On the other hand, the stats are very useful for debugging purposes. Saying 'Y' here is recommended.

See Documentation/filesystems/caching/fscache.rst for more information.

Gather statistical information on local caching found in fs/fscache/Kconfig

The configuration item CONFIG_FSCACHE_STATS:

Help text

This option causes statistical information to be gathered on local caching and exported through file:

/proc/fs/fscache/stats

The gathering of statistics adds a certain amount of overhead to execution as there are a quite a few stats gathered, and on a multi-CPU system these may be on cachelines that keep bouncing between CPUs. On the other hand, the stats are very useful for debugging purposes. Saying 'Y' here is recommended.

See Documentation/filesystems/caching/fscache.rst for more information.

Hardware

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