summaryrefslogtreecommitdiff
path: root/Documentation/filesystems/caching
diff options
context:
space:
mode:
authorDavid Howells <dhowells@redhat.com>2009-11-19 18:11:08 +0000
committerDavid Howells <dhowells@redhat.com>2009-11-19 18:11:08 +0000
commit52bd75fdb135d6133d878ae60c6e7e3f4ebc1cfc (patch)
tree4fad4fa37ce533c520a4575e5b7df90e19c6a666 /Documentation/filesystems/caching
parent4fbf4291aa15926cd4fdca0ffe9122e89d0459db (diff)
FS-Cache: Add counters for entry/exit to/from cache operation functions
Count entries to and exits from cache operation table functions. Maintain these as a single counter that's added to or removed from as appropriate. Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'Documentation/filesystems/caching')
-rw-r--r--Documentation/filesystems/caching/fscache.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/filesystems/caching/fscache.txt b/Documentation/filesystems/caching/fscache.txt
index cac09e11ca30..b6c32c080ab1 100644
--- a/Documentation/filesystems/caching/fscache.txt
+++ b/Documentation/filesystems/caching/fscache.txt
@@ -274,6 +274,22 @@ proc files.
dfr=N Number of async ops queued for deferred release
rel=N Number of async ops released
gc=N Number of deferred-release async ops garbage collected
+ CacheOp alo=N Number of in-progress alloc_object() cache ops
+ luo=N Number of in-progress lookup_object() cache ops
+ luc=N Number of in-progress lookup_complete() cache ops
+ gro=N Number of in-progress grab_object() cache ops
+ upo=N Number of in-progress update_object() cache ops
+ dro=N Number of in-progress drop_object() cache ops
+ pto=N Number of in-progress put_object() cache ops
+ syn=N Number of in-progress sync_cache() cache ops
+ atc=N Number of in-progress attr_changed() cache ops
+ rap=N Number of in-progress read_or_alloc_page() cache ops
+ ras=N Number of in-progress read_or_alloc_pages() cache ops
+ alp=N Number of in-progress allocate_page() cache ops
+ als=N Number of in-progress allocate_pages() cache ops
+ wrp=N Number of in-progress write_page() cache ops
+ ucp=N Number of in-progress uncache_page() cache ops
+ dsp=N Number of in-progress dissociate_pages() cache ops
(*) /proc/fs/fscache/histogram