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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-21 12:36:04 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-08-22 08:58:19 -0400
commit1ca42382afd67bf58523d36b00fb4ff487d8173b (patch)
treeac285dda99b3a9227a7dc75fe6abcc7dac4b4b3b /fs/nfs/nfstrace.h
parent8b0ad3d489cb107804bd8c78695532794eec73d5 (diff)
downloadblackbird-op-linux-1ca42382afd67bf58523d36b00fb4ff487d8173b.tar.gz
blackbird-op-linux-1ca42382afd67bf58523d36b00fb4ff487d8173b.zip
NFS: Add tracepoints for debugging directory changes
Add tracepoints for mknod, mkdir, rmdir, remove (unlink) and symlink. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfstrace.h')
-rw-r--r--fs/nfs/nfstrace.h90
1 files changed, 90 insertions, 0 deletions
diff --git a/fs/nfs/nfstrace.h b/fs/nfs/nfstrace.h
index 2963a050ceff..58279063b9a1 100644
--- a/fs/nfs/nfstrace.h
+++ b/fs/nfs/nfstrace.h
@@ -422,6 +422,96 @@ TRACE_EVENT(nfs_create_exit,
)
);
+DECLARE_EVENT_CLASS(nfs_directory_event,
+ TP_PROTO(
+ const struct inode *dir,
+ const struct dentry *dentry
+ ),
+
+ TP_ARGS(dir, dentry),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(u64, dir)
+ __string(name, dentry->d_name.name)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = dir->i_sb->s_dev;
+ __entry->dir = NFS_FILEID(dir);
+ __assign_str(name, dentry->d_name.name);
+ ),
+
+ TP_printk(
+ "name=%02x:%02x:%llu/%s",
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->dir,
+ __get_str(name)
+ )
+);
+
+#define DEFINE_NFS_DIRECTORY_EVENT(name) \
+ DEFINE_EVENT(nfs_directory_event, name, \
+ TP_PROTO( \
+ const struct inode *dir, \
+ const struct dentry *dentry \
+ ), \
+ TP_ARGS(dir, dentry))
+
+DECLARE_EVENT_CLASS(nfs_directory_event_done,
+ TP_PROTO(
+ const struct inode *dir,
+ const struct dentry *dentry,
+ int error
+ ),
+
+ TP_ARGS(dir, dentry, error),
+
+ TP_STRUCT__entry(
+ __field(int, error)
+ __field(dev_t, dev)
+ __field(u64, dir)
+ __string(name, dentry->d_name.name)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = dir->i_sb->s_dev;
+ __entry->dir = NFS_FILEID(dir);
+ __entry->error = error;
+ __assign_str(name, dentry->d_name.name);
+ ),
+
+ TP_printk(
+ "error=%d name=%02x:%02x:%llu/%s",
+ __entry->error,
+ MAJOR(__entry->dev), MINOR(__entry->dev),
+ (unsigned long long)__entry->dir,
+ __get_str(name)
+ )
+);
+
+#define DEFINE_NFS_DIRECTORY_EVENT_DONE(name) \
+ DEFINE_EVENT(nfs_directory_event_done, name, \
+ TP_PROTO( \
+ const struct inode *dir, \
+ const struct dentry *dentry, \
+ int error \
+ ), \
+ TP_ARGS(dir, dentry, error))
+
+DEFINE_NFS_DIRECTORY_EVENT(nfs_mknod_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mknod_exit);
+DEFINE_NFS_DIRECTORY_EVENT(nfs_mkdir_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_mkdir_exit);
+DEFINE_NFS_DIRECTORY_EVENT(nfs_rmdir_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_rmdir_exit);
+DEFINE_NFS_DIRECTORY_EVENT(nfs_remove_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_remove_exit);
+DEFINE_NFS_DIRECTORY_EVENT(nfs_unlink_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_unlink_exit);
+DEFINE_NFS_DIRECTORY_EVENT(nfs_symlink_enter);
+DEFINE_NFS_DIRECTORY_EVENT_DONE(nfs_symlink_exit);
+
#endif /* _TRACE_NFS_H */
#undef TRACE_INCLUDE_PATH
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