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author | 2018-04-04 13:41:27 +0100 | |
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committer | 2018-04-04 13:41:27 +0100 | |
commit | a18feb55769b705a44c4107786c4045eae2e87b6 (patch) | |
tree | 3db7d160e672aa9f16a0437b767b3d3bbb10ecc8 /fs/fscache/main.c | |
parent | fscache: Fix hanging wait on page discarded by writeback (diff) | |
download | linux-a18feb55769b705a44c4107786c4045eae2e87b6.tar.gz linux-a18feb55769b705a44c4107786c4045eae2e87b6.tar.bz2 linux-a18feb55769b705a44c4107786c4045eae2e87b6.zip |
fscache: Add tracepoints
Add some tracepoints to fscache:
(*) fscache_cookie - Tracks a cookie's usage count.
(*) fscache_netfs - Logs registration of a network filesystem, including
the pointer to the cookie allocated.
(*) fscache_acquire - Logs cookie acquisition.
(*) fscache_relinquish - Logs cookie relinquishment.
(*) fscache_enable - Logs enablement of a cookie.
(*) fscache_disable - Logs disablement of a cookie.
(*) fscache_osm - Tracks execution of states in the object state machine.
and cachefiles:
(*) cachefiles_ref - Tracks a cachefiles object's usage count.
(*) cachefiles_lookup - Logs result of lookup_one_len().
(*) cachefiles_mkdir - Logs result of vfs_mkdir().
(*) cachefiles_create - Logs result of vfs_create().
(*) cachefiles_unlink - Logs calls to vfs_unlink().
(*) cachefiles_rename - Logs calls to vfs_rename().
(*) cachefiles_mark_active - Logs an object becoming active.
(*) cachefiles_wait_active - Logs a wait for an old object to be
destroyed.
(*) cachefiles_mark_inactive - Logs an object becoming inactive.
(*) cachefiles_mark_buried - Logs the burial of an object.
Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/fscache/main.c')
-rw-r--r-- | fs/fscache/main.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/fscache/main.c b/fs/fscache/main.c index 249968dcbf5c..7dce110bf17d 100644 --- a/fs/fscache/main.c +++ b/fs/fscache/main.c @@ -16,6 +16,7 @@ #include <linux/completion.h> #include <linux/slab.h> #include <linux/seq_file.h> +#define CREATE_TRACE_POINTS #include "internal.h" MODULE_DESCRIPTION("FS Cache Manager"); |