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| author | David Howells <dhowells@redhat.com> | 2021-05-12 09:40:19 +0100 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2021-08-27 13:34:02 +0100 |
| commit | 6ae9bd8bb037b7c422bafde746f2338a716f6058 (patch) | |
| tree | ae0c6602f88829a3bd9737ee8ed6feb2c8f65b35 /fs/cachefiles/Kconfig | |
| parent | 884a76881fc5f5c9c04de1b640bed2c340929842 (diff) | |
| download | linux-6ae9bd8bb037b7c422bafde746f2338a716f6058.tar.bz2 | |
fscache, cachefiles: Remove the histogram stuff
Remove the histogram stuff as it's mostly going to be outdated.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/162431195953.2908479.16770977195634296638.stgit@warthog.procyon.org.uk/
Diffstat (limited to 'fs/cachefiles/Kconfig')
| -rw-r--r-- | fs/cachefiles/Kconfig | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/fs/cachefiles/Kconfig b/fs/cachefiles/Kconfig index ff9ca55a9ae9..6827b40f7ddc 100644 --- a/fs/cachefiles/Kconfig +++ b/fs/cachefiles/Kconfig @@ -19,22 +19,3 @@ config CACHEFILES_DEBUG caching on files module. If this is set, the debugging output may be enabled by setting bits in /sys/modules/cachefiles/parameter/debug or by including a debugging specifier in /etc/cachefilesd.conf. - -config CACHEFILES_HISTOGRAM - bool "Gather latency information on CacheFiles" - depends on CACHEFILES && PROC_FS - help - - This option causes latency information to be gathered on CacheFiles - operation and exported through file: - - /proc/fs/cachefiles/histogram - - The generation of this histogram adds a certain amount of overhead to - execution as there are a number of points at which data is gathered, - and on a multi-CPU system these may be on cachelines that keep - bouncing between CPUs. On the other hand, the histogram may be - useful for debugging purposes. Saying 'N' here is recommended. - - See Documentation/filesystems/caching/cachefiles.rst for more - information. |