NFSv4: Add tracepoints for debugging state management problems
[deliverable/linux.git] / fs / nfs / nfs4trace.h
1 /*
2 * Copyright (c) 2013 Trond Myklebust <Trond.Myklebust@netapp.com>
3 */
4 #undef TRACE_SYSTEM
5 #define TRACE_SYSTEM nfs4
6
7 #if !defined(_TRACE_NFS4_H) || defined(TRACE_HEADER_MULTI_READ)
8 #define _TRACE_NFS4_H
9
10 #include <linux/tracepoint.h>
11
12 #define show_nfsv4_errors(error) \
13 __print_symbolic(error, \
14 { NFS4_OK, "OK" }, \
15 /* Mapped by nfs4_stat_to_errno() */ \
16 { -EPERM, "EPERM" }, \
17 { -ENOENT, "ENOENT" }, \
18 { -EIO, "EIO" }, \
19 { -ENXIO, "ENXIO" }, \
20 { -EACCES, "EACCES" }, \
21 { -EEXIST, "EEXIST" }, \
22 { -EXDEV, "EXDEV" }, \
23 { -ENOTDIR, "ENOTDIR" }, \
24 { -EISDIR, "EISDIR" }, \
25 { -EFBIG, "EFBIG" }, \
26 { -ENOSPC, "ENOSPC" }, \
27 { -EROFS, "EROFS" }, \
28 { -EMLINK, "EMLINK" }, \
29 { -ENAMETOOLONG, "ENAMETOOLONG" }, \
30 { -ENOTEMPTY, "ENOTEMPTY" }, \
31 { -EDQUOT, "EDQUOT" }, \
32 { -ESTALE, "ESTALE" }, \
33 { -EBADHANDLE, "EBADHANDLE" }, \
34 { -EBADCOOKIE, "EBADCOOKIE" }, \
35 { -ENOTSUPP, "ENOTSUPP" }, \
36 { -ETOOSMALL, "ETOOSMALL" }, \
37 { -EREMOTEIO, "EREMOTEIO" }, \
38 { -EBADTYPE, "EBADTYPE" }, \
39 { -EAGAIN, "EAGAIN" }, \
40 { -ELOOP, "ELOOP" }, \
41 { -EOPNOTSUPP, "EOPNOTSUPP" }, \
42 { -EDEADLK, "EDEADLK" }, \
43 /* RPC errors */ \
44 { -ENOMEM, "ENOMEM" }, \
45 { -EKEYEXPIRED, "EKEYEXPIRED" }, \
46 { -ETIMEDOUT, "ETIMEDOUT" }, \
47 { -ERESTARTSYS, "ERESTARTSYS" }, \
48 { -ECONNREFUSED, "ECONNREFUSED" }, \
49 { -ECONNRESET, "ECONNRESET" }, \
50 { -ENETUNREACH, "ENETUNREACH" }, \
51 { -EHOSTUNREACH, "EHOSTUNREACH" }, \
52 { -EHOSTDOWN, "EHOSTDOWN" }, \
53 { -EPIPE, "EPIPE" }, \
54 { -EPFNOSUPPORT, "EPFNOSUPPORT" }, \
55 { -EPROTONOSUPPORT, "EPROTONOSUPPORT" }, \
56 /* NFSv4 native errors */ \
57 { -NFS4ERR_ACCESS, "ACCESS" }, \
58 { -NFS4ERR_ATTRNOTSUPP, "ATTRNOTSUPP" }, \
59 { -NFS4ERR_ADMIN_REVOKED, "ADMIN_REVOKED" }, \
60 { -NFS4ERR_BACK_CHAN_BUSY, "BACK_CHAN_BUSY" }, \
61 { -NFS4ERR_BADCHAR, "BADCHAR" }, \
62 { -NFS4ERR_BADHANDLE, "BADHANDLE" }, \
63 { -NFS4ERR_BADIOMODE, "BADIOMODE" }, \
64 { -NFS4ERR_BADLAYOUT, "BADLAYOUT" }, \
65 { -NFS4ERR_BADLABEL, "BADLABEL" }, \
66 { -NFS4ERR_BADNAME, "BADNAME" }, \
67 { -NFS4ERR_BADOWNER, "BADOWNER" }, \
68 { -NFS4ERR_BADSESSION, "BADSESSION" }, \
69 { -NFS4ERR_BADSLOT, "BADSLOT" }, \
70 { -NFS4ERR_BADTYPE, "BADTYPE" }, \
71 { -NFS4ERR_BADXDR, "BADXDR" }, \
72 { -NFS4ERR_BAD_COOKIE, "BAD_COOKIE" }, \
73 { -NFS4ERR_BAD_HIGH_SLOT, "BAD_HIGH_SLOT" }, \
74 { -NFS4ERR_BAD_RANGE, "BAD_RANGE" }, \
75 { -NFS4ERR_BAD_SEQID, "BAD_SEQID" }, \
76 { -NFS4ERR_BAD_SESSION_DIGEST, "BAD_SESSION_DIGEST" }, \
77 { -NFS4ERR_BAD_STATEID, "BAD_STATEID" }, \
78 { -NFS4ERR_CB_PATH_DOWN, "CB_PATH_DOWN" }, \
79 { -NFS4ERR_CLID_INUSE, "CLID_INUSE" }, \
80 { -NFS4ERR_CLIENTID_BUSY, "CLIENTID_BUSY" }, \
81 { -NFS4ERR_COMPLETE_ALREADY, "COMPLETE_ALREADY" }, \
82 { -NFS4ERR_CONN_NOT_BOUND_TO_SESSION, \
83 "CONN_NOT_BOUND_TO_SESSION" }, \
84 { -NFS4ERR_DEADLOCK, "DEADLOCK" }, \
85 { -NFS4ERR_DEADSESSION, "DEAD_SESSION" }, \
86 { -NFS4ERR_DELAY, "DELAY" }, \
87 { -NFS4ERR_DELEG_ALREADY_WANTED, \
88 "DELEG_ALREADY_WANTED" }, \
89 { -NFS4ERR_DELEG_REVOKED, "DELEG_REVOKED" }, \
90 { -NFS4ERR_DENIED, "DENIED" }, \
91 { -NFS4ERR_DIRDELEG_UNAVAIL, "DIRDELEG_UNAVAIL" }, \
92 { -NFS4ERR_DQUOT, "DQUOT" }, \
93 { -NFS4ERR_ENCR_ALG_UNSUPP, "ENCR_ALG_UNSUPP" }, \
94 { -NFS4ERR_EXIST, "EXIST" }, \
95 { -NFS4ERR_EXPIRED, "EXPIRED" }, \
96 { -NFS4ERR_FBIG, "FBIG" }, \
97 { -NFS4ERR_FHEXPIRED, "FHEXPIRED" }, \
98 { -NFS4ERR_FILE_OPEN, "FILE_OPEN" }, \
99 { -NFS4ERR_GRACE, "GRACE" }, \
100 { -NFS4ERR_HASH_ALG_UNSUPP, "HASH_ALG_UNSUPP" }, \
101 { -NFS4ERR_INVAL, "INVAL" }, \
102 { -NFS4ERR_IO, "IO" }, \
103 { -NFS4ERR_ISDIR, "ISDIR" }, \
104 { -NFS4ERR_LAYOUTTRYLATER, "LAYOUTTRYLATER" }, \
105 { -NFS4ERR_LAYOUTUNAVAILABLE, "LAYOUTUNAVAILABLE" }, \
106 { -NFS4ERR_LEASE_MOVED, "LEASE_MOVED" }, \
107 { -NFS4ERR_LOCKED, "LOCKED" }, \
108 { -NFS4ERR_LOCKS_HELD, "LOCKS_HELD" }, \
109 { -NFS4ERR_LOCK_RANGE, "LOCK_RANGE" }, \
110 { -NFS4ERR_MINOR_VERS_MISMATCH, "MINOR_VERS_MISMATCH" }, \
111 { -NFS4ERR_MLINK, "MLINK" }, \
112 { -NFS4ERR_MOVED, "MOVED" }, \
113 { -NFS4ERR_NAMETOOLONG, "NAMETOOLONG" }, \
114 { -NFS4ERR_NOENT, "NOENT" }, \
115 { -NFS4ERR_NOFILEHANDLE, "NOFILEHANDLE" }, \
116 { -NFS4ERR_NOMATCHING_LAYOUT, "NOMATCHING_LAYOUT" }, \
117 { -NFS4ERR_NOSPC, "NOSPC" }, \
118 { -NFS4ERR_NOTDIR, "NOTDIR" }, \
119 { -NFS4ERR_NOTEMPTY, "NOTEMPTY" }, \
120 { -NFS4ERR_NOTSUPP, "NOTSUPP" }, \
121 { -NFS4ERR_NOT_ONLY_OP, "NOT_ONLY_OP" }, \
122 { -NFS4ERR_NOT_SAME, "NOT_SAME" }, \
123 { -NFS4ERR_NO_GRACE, "NO_GRACE" }, \
124 { -NFS4ERR_NXIO, "NXIO" }, \
125 { -NFS4ERR_OLD_STATEID, "OLD_STATEID" }, \
126 { -NFS4ERR_OPENMODE, "OPENMODE" }, \
127 { -NFS4ERR_OP_ILLEGAL, "OP_ILLEGAL" }, \
128 { -NFS4ERR_OP_NOT_IN_SESSION, "OP_NOT_IN_SESSION" }, \
129 { -NFS4ERR_PERM, "PERM" }, \
130 { -NFS4ERR_PNFS_IO_HOLE, "PNFS_IO_HOLE" }, \
131 { -NFS4ERR_PNFS_NO_LAYOUT, "PNFS_NO_LAYOUT" }, \
132 { -NFS4ERR_RECALLCONFLICT, "RECALLCONFLICT" }, \
133 { -NFS4ERR_RECLAIM_BAD, "RECLAIM_BAD" }, \
134 { -NFS4ERR_RECLAIM_CONFLICT, "RECLAIM_CONFLICT" }, \
135 { -NFS4ERR_REJECT_DELEG, "REJECT_DELEG" }, \
136 { -NFS4ERR_REP_TOO_BIG, "REP_TOO_BIG" }, \
137 { -NFS4ERR_REP_TOO_BIG_TO_CACHE, \
138 "REP_TOO_BIG_TO_CACHE" }, \
139 { -NFS4ERR_REQ_TOO_BIG, "REQ_TOO_BIG" }, \
140 { -NFS4ERR_RESOURCE, "RESOURCE" }, \
141 { -NFS4ERR_RESTOREFH, "RESTOREFH" }, \
142 { -NFS4ERR_RETRY_UNCACHED_REP, "RETRY_UNCACHED_REP" }, \
143 { -NFS4ERR_RETURNCONFLICT, "RETURNCONFLICT" }, \
144 { -NFS4ERR_ROFS, "ROFS" }, \
145 { -NFS4ERR_SAME, "SAME" }, \
146 { -NFS4ERR_SHARE_DENIED, "SHARE_DENIED" }, \
147 { -NFS4ERR_SEQUENCE_POS, "SEQUENCE_POS" }, \
148 { -NFS4ERR_SEQ_FALSE_RETRY, "SEQ_FALSE_RETRY" }, \
149 { -NFS4ERR_SEQ_MISORDERED, "SEQ_MISORDERED" }, \
150 { -NFS4ERR_SERVERFAULT, "SERVERFAULT" }, \
151 { -NFS4ERR_STALE, "STALE" }, \
152 { -NFS4ERR_STALE_CLIENTID, "STALE_CLIENTID" }, \
153 { -NFS4ERR_STALE_STATEID, "STALE_STATEID" }, \
154 { -NFS4ERR_SYMLINK, "SYMLINK" }, \
155 { -NFS4ERR_TOOSMALL, "TOOSMALL" }, \
156 { -NFS4ERR_TOO_MANY_OPS, "TOO_MANY_OPS" }, \
157 { -NFS4ERR_UNKNOWN_LAYOUTTYPE, "UNKNOWN_LAYOUTTYPE" }, \
158 { -NFS4ERR_UNSAFE_COMPOUND, "UNSAFE_COMPOUND" }, \
159 { -NFS4ERR_WRONGSEC, "WRONGSEC" }, \
160 { -NFS4ERR_WRONG_CRED, "WRONG_CRED" }, \
161 { -NFS4ERR_WRONG_TYPE, "WRONG_TYPE" }, \
162 { -NFS4ERR_XDEV, "XDEV" })
163
164 DECLARE_EVENT_CLASS(nfs4_clientid_event,
165 TP_PROTO(
166 const struct nfs_client *clp,
167 int error
168 ),
169
170 TP_ARGS(clp, error),
171
172 TP_STRUCT__entry(
173 __string(dstaddr,
174 rpc_peeraddr2str(clp->cl_rpcclient,
175 RPC_DISPLAY_ADDR))
176 __field(int, error)
177 ),
178
179 TP_fast_assign(
180 __entry->error = error;
181 __assign_str(dstaddr,
182 rpc_peeraddr2str(clp->cl_rpcclient,
183 RPC_DISPLAY_ADDR));
184 ),
185
186 TP_printk(
187 "error=%d (%s) dstaddr=%s",
188 __entry->error,
189 show_nfsv4_errors(__entry->error),
190 __get_str(dstaddr)
191 )
192 );
193 #define DEFINE_NFS4_CLIENTID_EVENT(name) \
194 DEFINE_EVENT(nfs4_clientid_event, name, \
195 TP_PROTO( \
196 const struct nfs_client *clp, \
197 int error \
198 ), \
199 TP_ARGS(clp, error))
200 DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid);
201 DEFINE_NFS4_CLIENTID_EVENT(nfs4_setclientid_confirm);
202 DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew);
203 DEFINE_NFS4_CLIENTID_EVENT(nfs4_renew_async);
204 #ifdef CONFIG_NFS_V4_1
205 DEFINE_NFS4_CLIENTID_EVENT(nfs4_exchange_id);
206 DEFINE_NFS4_CLIENTID_EVENT(nfs4_create_session);
207 DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_session);
208 DEFINE_NFS4_CLIENTID_EVENT(nfs4_destroy_clientid);
209 DEFINE_NFS4_CLIENTID_EVENT(nfs4_bind_conn_to_session);
210 DEFINE_NFS4_CLIENTID_EVENT(nfs4_sequence);
211 DEFINE_NFS4_CLIENTID_EVENT(nfs4_reclaim_complete);
212 #endif /* CONFIG_NFS_V4_1 */
213
214 #endif /* _TRACE_NFS4_H */
215
216 #undef TRACE_INCLUDE_PATH
217 #define TRACE_INCLUDE_PATH .
218 #define TRACE_INCLUDE_FILE nfs4trace
219 /* This part must be outside protection */
220 #include <trace/define_trace.h>
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