NFSv4: Add tracepoints for debugging reads and writes

[karo-tx-linux.git] / fs / nfs / nfs4trace.h

diff --git a/fs/nfs/nfs4trace.h b/fs/nfs/nfs4trace.h
index 99d1b1e796508227487e0631162f6ed7b0b13784..1ea69836443f06f700f97fa713ea0c1cf6298a81 100644 (file)
--- a/fs/nfs/nfs4trace.h
+++ b/fs/nfs/nfs4trace.h
@@ -742,6 +742,160 @@ DEFINE_NFS4_IDMAP_EVENT(nfs4_map_group_to_gid);
 DEFINE_NFS4_IDMAP_EVENT(nfs4_map_uid_to_name);
 DEFINE_NFS4_IDMAP_EVENT(nfs4_map_gid_to_group);
 
+DECLARE_EVENT_CLASS(nfs4_read_event,
+               TP_PROTO(
+                       const struct nfs_read_data *data,
+                       int error
+               ),
+
+               TP_ARGS(data, error),
+
+               TP_STRUCT__entry(
+                       __field(dev_t, dev)
+                       __field(u32, fhandle)
+                       __field(u64, fileid)
+                       __field(loff_t, offset)
+                       __field(size_t, count)
+                       __field(int, error)
+               ),
+
+               TP_fast_assign(
+                       const struct inode *inode = data->header->inode;
+                       __entry->dev = inode->i_sb->s_dev;
+                       __entry->fileid = NFS_FILEID(inode);
+                       __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
+                       __entry->offset = data->args.offset;
+                       __entry->count = data->args.count;
+                       __entry->error = error;
+               ),
+
+               TP_printk(
+                       "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+                       "offset=%lld count=%zu",
+                       __entry->error,
+                       show_nfsv4_errors(__entry->error),
+                       MAJOR(__entry->dev), MINOR(__entry->dev),
+                       (unsigned long long)__entry->fileid,
+                       __entry->fhandle,
+                       (long long)__entry->offset,
+                       __entry->count
+               )
+);
+#define DEFINE_NFS4_READ_EVENT(name) \
+       DEFINE_EVENT(nfs4_read_event, name, \
+                       TP_PROTO( \
+                               const struct nfs_read_data *data, \
+                               int error \
+                       ), \
+                       TP_ARGS(data, error))
+DEFINE_NFS4_READ_EVENT(nfs4_read);
+#ifdef CONFIG_NFS_V4_1
+DEFINE_NFS4_READ_EVENT(nfs4_pnfs_read);
+#endif /* CONFIG_NFS_V4_1 */
+
+DECLARE_EVENT_CLASS(nfs4_write_event,
+               TP_PROTO(
+                       const struct nfs_write_data *data,
+                       int error
+               ),
+
+               TP_ARGS(data, error),
+
+               TP_STRUCT__entry(
+                       __field(dev_t, dev)
+                       __field(u32, fhandle)
+                       __field(u64, fileid)
+                       __field(loff_t, offset)
+                       __field(size_t, count)
+                       __field(int, error)
+               ),
+
+               TP_fast_assign(
+                       const struct inode *inode = data->header->inode;
+                       __entry->dev = inode->i_sb->s_dev;
+                       __entry->fileid = NFS_FILEID(inode);
+                       __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
+                       __entry->offset = data->args.offset;
+                       __entry->count = data->args.count;
+                       __entry->error = error;
+               ),
+
+               TP_printk(
+                       "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+                       "offset=%lld count=%zu",
+                       __entry->error,
+                       show_nfsv4_errors(__entry->error),
+                       MAJOR(__entry->dev), MINOR(__entry->dev),
+                       (unsigned long long)__entry->fileid,
+                       __entry->fhandle,
+                       (long long)__entry->offset,
+                       __entry->count
+               )
+);
+
+#define DEFINE_NFS4_WRITE_EVENT(name) \
+       DEFINE_EVENT(nfs4_write_event, name, \
+                       TP_PROTO( \
+                               const struct nfs_write_data *data, \
+                               int error \
+                       ), \
+                       TP_ARGS(data, error))
+DEFINE_NFS4_WRITE_EVENT(nfs4_write);
+#ifdef CONFIG_NFS_V4_1
+DEFINE_NFS4_WRITE_EVENT(nfs4_pnfs_write);
+#endif /* CONFIG_NFS_V4_1 */
+
+DECLARE_EVENT_CLASS(nfs4_commit_event,
+               TP_PROTO(
+                       const struct nfs_commit_data *data,
+                       int error
+               ),
+
+               TP_ARGS(data, error),
+
+               TP_STRUCT__entry(
+                       __field(dev_t, dev)
+                       __field(u32, fhandle)
+                       __field(u64, fileid)
+                       __field(loff_t, offset)
+                       __field(size_t, count)
+                       __field(int, error)
+               ),
+
+               TP_fast_assign(
+                       const struct inode *inode = data->inode;
+                       __entry->dev = inode->i_sb->s_dev;
+                       __entry->fileid = NFS_FILEID(inode);
+                       __entry->fhandle = nfs_fhandle_hash(NFS_FH(inode));
+                       __entry->offset = data->args.offset;
+                       __entry->count = data->args.count;
+                       __entry->error = error;
+               ),
+
+               TP_printk(
+                       "error=%d (%s) fileid=%02x:%02x:%llu fhandle=0x%08x "
+                       "offset=%lld count=%zu",
+                       __entry->error,
+                       show_nfsv4_errors(__entry->error),
+                       MAJOR(__entry->dev), MINOR(__entry->dev),
+                       (unsigned long long)__entry->fileid,
+                       __entry->fhandle,
+                       (long long)__entry->offset,
+                       __entry->count
+               )
+);
+#define DEFINE_NFS4_COMMIT_EVENT(name) \
+       DEFINE_EVENT(nfs4_commit_event, name, \
+                       TP_PROTO( \
+                               const struct nfs_commit_data *data, \
+                               int error \
+                       ), \
+                       TP_ARGS(data, error))
+DEFINE_NFS4_COMMIT_EVENT(nfs4_commit);
+#ifdef CONFIG_NFS_V4_1
+DEFINE_NFS4_COMMIT_EVENT(nfs4_pnfs_commit_ds);
+#endif /* CONFIG_NFS_V4_1 */
+
 #endif /* _TRACE_NFS4_H */
 
 #undef TRACE_INCLUDE_PATH