diff options
| author | David Howells <dhowells@redhat.com> | 2022-01-14 11:05:13 +0000 |
|---|---|---|
| committer | David Howells <dhowells@redhat.com> | 2022-01-21 21:36:28 +0000 |
| commit | b64a3314989df8e44c114f377808407f36dbf4f4 (patch) | |
| tree | deffc3aac285ddc4aa9f98e942def2d5bd45f8b3 /include/trace/events/cachefiles.h | |
| parent | 8c39b8bc82aafcc8dd378bd79c76fac8e8a89c8d (diff) | |
cachefiles: Trace active-mark failure
Add a tracepoint to log failure to apply an active mark to a file in
addition to tracing successfully setting and unsetting the mark.
Also include the backing file inode number in the message logged to dmesg.
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Jeff Layton <jlayton@kernel.org>
cc: linux-cachefs@redhat.com
Link: https://lore.kernel.org/r/164251404666.3435901.17331742792401482190.stgit@warthog.procyon.org.uk/ # v1
Diffstat (limited to 'include/trace/events/cachefiles.h')
| -rw-r--r-- | include/trace/events/cachefiles.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/trace/events/cachefiles.h b/include/trace/events/cachefiles.h index 093c4acb7a3a..c6f5aa74db89 100644 --- a/include/trace/events/cachefiles.h +++ b/include/trace/events/cachefiles.h @@ -573,6 +573,27 @@ TRACE_EVENT(cachefiles_mark_active, __entry->obj, __entry->inode) ); +TRACE_EVENT(cachefiles_mark_failed, + TP_PROTO(struct cachefiles_object *obj, + struct inode *inode), + + TP_ARGS(obj, inode), + + /* Note that obj may be NULL */ + TP_STRUCT__entry( + __field(unsigned int, obj ) + __field(ino_t, inode ) + ), + + TP_fast_assign( + __entry->obj = obj ? obj->debug_id : 0; + __entry->inode = inode->i_ino; + ), + + TP_printk("o=%08x B=%lx", + __entry->obj, __entry->inode) + ); + TRACE_EVENT(cachefiles_mark_inactive, TP_PROTO(struct cachefiles_object *obj, struct inode *inode), |