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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-13 00:45:55 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 16:58:22 +0400
commit078ea3dfe396b18ccf608c71a9585b6f7e519bb1 (patch)
tree81f454091ab2e1847791de35f6fa8447e7e8c982 /fs/nfs/nfs4trace.h
parentd1b748a5e71106481015e36ce327747b075bcbdc (diff)
downloadlinux-078ea3dfe396b18ccf608c71a9585b6f7e519bb1.tar.xz
NFSv4: Add tracepoints for debugging lookup/create operations
Set up basic tracepoints for debugging NFSv4 lookup, unlink/remove, symlink, mkdir, mknod, fs_locations and secinfo. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4trace.h')
-rw-r--r--fs/nfs/nfs4trace.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 3f124dbcd60a..2646a50a8208 100644
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -411,6 +411,56 @@ DEFINE_NFS4_LOCK_EVENT(nfs4_lock_reclaim);
DEFINE_NFS4_LOCK_EVENT(nfs4_lock_expired);
DEFINE_NFS4_LOCK_EVENT(nfs4_unlock);
+DECLARE_EVENT_CLASS(nfs4_lookup_event,
+ TP_PROTO(
+ const struct inode *dir,
+ const struct qstr *name,
+ int error
+ ),
+
+ TP_ARGS(dir, name, error),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(int, error)
+ __field(u64, dir)
+ __string(name, name->name)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = dir->i_sb->s_dev;
+ __entry->dir = NFS_FILEID(dir);
+ __entry->error = error;
+ __assign_str(name, name->name);
+ ),
+
+ TP_printk(
+ "error=%d (%s) name=%02x:%02x:%llu/%s",
+ __entry->error,
+ show_nfsv4_errors(__entry->error),
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->dir,
+ __get_str(name)
+ )
+);
+
+#define DEFINE_NFS4_LOOKUP_EVENT(name) \
+ DEFINE_EVENT(nfs4_lookup_event, name, \
+ TP_PROTO( \
+ const struct inode *dir, \
+ const struct qstr *name, \
+ int error \
+ ), \
+ TP_ARGS(dir, name, error))
+
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_lookup);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_symlink);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_mkdir);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_mknod);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_remove);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_get_fs_locations);
+DEFINE_NFS4_LOOKUP_EVENT(nfs4_secinfo);
+
#endif /* _TRACE_NFS4_H */
#undef TRACE_INCLUDE_PATH