Linux v5.18 - netfs
# SPDX-License-Identifier: GPL-2.0-only
This option enables support for network filesystems, including
helpers for high-level buffered I/O, abstracting out read
segmentation, local caching and transparent huge page support.
bool "Gather statistical information on local caching"
depends on NETFS_SUPPORT && PROC_FS
This option causes statistical information to be gathered on local
caching and exported through file:
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.