xref: /openbmc/linux/fs/nfsd/trace.h (revision 3e30a927)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Copyright (c) 2014 Christoph Hellwig.
4  */
5 #undef TRACE_SYSTEM
6 #define TRACE_SYSTEM nfsd
7 
8 #if !defined(_NFSD_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
9 #define _NFSD_TRACE_H
10 
11 #include <linux/tracepoint.h>
12 #include "nfsfh.h"
13 
14 TRACE_EVENT(nfsd_compound,
15 	TP_PROTO(const struct svc_rqst *rqst,
16 		 u32 args_opcnt),
17 	TP_ARGS(rqst, args_opcnt),
18 	TP_STRUCT__entry(
19 		__field(u32, xid)
20 		__field(u32, args_opcnt)
21 	),
22 	TP_fast_assign(
23 		__entry->xid = be32_to_cpu(rqst->rq_xid);
24 		__entry->args_opcnt = args_opcnt;
25 	),
26 	TP_printk("xid=0x%08x opcnt=%u",
27 		__entry->xid, __entry->args_opcnt)
28 )
29 
30 TRACE_EVENT(nfsd_compound_status,
31 	TP_PROTO(u32 args_opcnt,
32 		 u32 resp_opcnt,
33 		 __be32 status,
34 		 const char *name),
35 	TP_ARGS(args_opcnt, resp_opcnt, status, name),
36 	TP_STRUCT__entry(
37 		__field(u32, args_opcnt)
38 		__field(u32, resp_opcnt)
39 		__field(int, status)
40 		__string(name, name)
41 	),
42 	TP_fast_assign(
43 		__entry->args_opcnt = args_opcnt;
44 		__entry->resp_opcnt = resp_opcnt;
45 		__entry->status = be32_to_cpu(status);
46 		__assign_str(name, name);
47 	),
48 	TP_printk("op=%u/%u %s status=%d",
49 		__entry->resp_opcnt, __entry->args_opcnt,
50 		__get_str(name), __entry->status)
51 )
52 
53 DECLARE_EVENT_CLASS(nfsd_io_class,
54 	TP_PROTO(struct svc_rqst *rqstp,
55 		 struct svc_fh	*fhp,
56 		 loff_t		offset,
57 		 unsigned long	len),
58 	TP_ARGS(rqstp, fhp, offset, len),
59 	TP_STRUCT__entry(
60 		__field(u32, xid)
61 		__field(u32, fh_hash)
62 		__field(loff_t, offset)
63 		__field(unsigned long, len)
64 	),
65 	TP_fast_assign(
66 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
67 		__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
68 		__entry->offset = offset;
69 		__entry->len = len;
70 	),
71 	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld len=%lu",
72 		  __entry->xid, __entry->fh_hash,
73 		  __entry->offset, __entry->len)
74 )
75 
76 #define DEFINE_NFSD_IO_EVENT(name)		\
77 DEFINE_EVENT(nfsd_io_class, nfsd_##name,	\
78 	TP_PROTO(struct svc_rqst *rqstp,	\
79 		 struct svc_fh	*fhp,		\
80 		 loff_t		offset,		\
81 		 unsigned long	len),		\
82 	TP_ARGS(rqstp, fhp, offset, len))
83 
84 DEFINE_NFSD_IO_EVENT(read_start);
85 DEFINE_NFSD_IO_EVENT(read_splice);
86 DEFINE_NFSD_IO_EVENT(read_vector);
87 DEFINE_NFSD_IO_EVENT(read_io_done);
88 DEFINE_NFSD_IO_EVENT(read_done);
89 DEFINE_NFSD_IO_EVENT(write_start);
90 DEFINE_NFSD_IO_EVENT(write_opened);
91 DEFINE_NFSD_IO_EVENT(write_io_done);
92 DEFINE_NFSD_IO_EVENT(write_done);
93 
94 DECLARE_EVENT_CLASS(nfsd_err_class,
95 	TP_PROTO(struct svc_rqst *rqstp,
96 		 struct svc_fh	*fhp,
97 		 loff_t		offset,
98 		 int		status),
99 	TP_ARGS(rqstp, fhp, offset, status),
100 	TP_STRUCT__entry(
101 		__field(u32, xid)
102 		__field(u32, fh_hash)
103 		__field(loff_t, offset)
104 		__field(int, status)
105 	),
106 	TP_fast_assign(
107 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
108 		__entry->fh_hash = knfsd_fh_hash(&fhp->fh_handle);
109 		__entry->offset = offset;
110 		__entry->status = status;
111 	),
112 	TP_printk("xid=0x%08x fh_hash=0x%08x offset=%lld status=%d",
113 		  __entry->xid, __entry->fh_hash,
114 		  __entry->offset, __entry->status)
115 )
116 
117 #define DEFINE_NFSD_ERR_EVENT(name)		\
118 DEFINE_EVENT(nfsd_err_class, nfsd_##name,	\
119 	TP_PROTO(struct svc_rqst *rqstp,	\
120 		 struct svc_fh	*fhp,		\
121 		 loff_t		offset,		\
122 		 int		len),		\
123 	TP_ARGS(rqstp, fhp, offset, len))
124 
125 DEFINE_NFSD_ERR_EVENT(read_err);
126 DEFINE_NFSD_ERR_EVENT(write_err);
127 
128 #include "state.h"
129 #include "filecache.h"
130 #include "vfs.h"
131 
132 DECLARE_EVENT_CLASS(nfsd_stateid_class,
133 	TP_PROTO(stateid_t *stp),
134 	TP_ARGS(stp),
135 	TP_STRUCT__entry(
136 		__field(u32, cl_boot)
137 		__field(u32, cl_id)
138 		__field(u32, si_id)
139 		__field(u32, si_generation)
140 	),
141 	TP_fast_assign(
142 		__entry->cl_boot = stp->si_opaque.so_clid.cl_boot;
143 		__entry->cl_id = stp->si_opaque.so_clid.cl_id;
144 		__entry->si_id = stp->si_opaque.so_id;
145 		__entry->si_generation = stp->si_generation;
146 	),
147 	TP_printk("client %08x:%08x stateid %08x:%08x",
148 		__entry->cl_boot,
149 		__entry->cl_id,
150 		__entry->si_id,
151 		__entry->si_generation)
152 )
153 
154 #define DEFINE_STATEID_EVENT(name) \
155 DEFINE_EVENT(nfsd_stateid_class, nfsd_##name, \
156 	TP_PROTO(stateid_t *stp), \
157 	TP_ARGS(stp))
158 DEFINE_STATEID_EVENT(layoutstate_alloc);
159 DEFINE_STATEID_EVENT(layoutstate_unhash);
160 DEFINE_STATEID_EVENT(layoutstate_free);
161 DEFINE_STATEID_EVENT(layout_get_lookup_fail);
162 DEFINE_STATEID_EVENT(layout_commit_lookup_fail);
163 DEFINE_STATEID_EVENT(layout_return_lookup_fail);
164 DEFINE_STATEID_EVENT(layout_recall);
165 DEFINE_STATEID_EVENT(layout_recall_done);
166 DEFINE_STATEID_EVENT(layout_recall_fail);
167 DEFINE_STATEID_EVENT(layout_recall_release);
168 
169 TRACE_DEFINE_ENUM(NFSD_FILE_HASHED);
170 TRACE_DEFINE_ENUM(NFSD_FILE_PENDING);
171 TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_READ);
172 TRACE_DEFINE_ENUM(NFSD_FILE_BREAK_WRITE);
173 TRACE_DEFINE_ENUM(NFSD_FILE_REFERENCED);
174 
175 #define show_nf_flags(val)						\
176 	__print_flags(val, "|",						\
177 		{ 1 << NFSD_FILE_HASHED,	"HASHED" },		\
178 		{ 1 << NFSD_FILE_PENDING,	"PENDING" },		\
179 		{ 1 << NFSD_FILE_BREAK_READ,	"BREAK_READ" },		\
180 		{ 1 << NFSD_FILE_BREAK_WRITE,	"BREAK_WRITE" },	\
181 		{ 1 << NFSD_FILE_REFERENCED,	"REFERENCED"})
182 
183 /* FIXME: This should probably be fleshed out in the future. */
184 #define show_nf_may(val)						\
185 	__print_flags(val, "|",						\
186 		{ NFSD_MAY_READ,		"READ" },		\
187 		{ NFSD_MAY_WRITE,		"WRITE" },		\
188 		{ NFSD_MAY_NOT_BREAK_LEASE,	"NOT_BREAK_LEASE" })
189 
190 DECLARE_EVENT_CLASS(nfsd_file_class,
191 	TP_PROTO(struct nfsd_file *nf),
192 	TP_ARGS(nf),
193 	TP_STRUCT__entry(
194 		__field(unsigned int, nf_hashval)
195 		__field(void *, nf_inode)
196 		__field(int, nf_ref)
197 		__field(unsigned long, nf_flags)
198 		__field(unsigned char, nf_may)
199 		__field(struct file *, nf_file)
200 	),
201 	TP_fast_assign(
202 		__entry->nf_hashval = nf->nf_hashval;
203 		__entry->nf_inode = nf->nf_inode;
204 		__entry->nf_ref = refcount_read(&nf->nf_ref);
205 		__entry->nf_flags = nf->nf_flags;
206 		__entry->nf_may = nf->nf_may;
207 		__entry->nf_file = nf->nf_file;
208 	),
209 	TP_printk("hash=0x%x inode=0x%p ref=%d flags=%s may=%s file=%p",
210 		__entry->nf_hashval,
211 		__entry->nf_inode,
212 		__entry->nf_ref,
213 		show_nf_flags(__entry->nf_flags),
214 		show_nf_may(__entry->nf_may),
215 		__entry->nf_file)
216 )
217 
218 #define DEFINE_NFSD_FILE_EVENT(name) \
219 DEFINE_EVENT(nfsd_file_class, name, \
220 	TP_PROTO(struct nfsd_file *nf), \
221 	TP_ARGS(nf))
222 
223 DEFINE_NFSD_FILE_EVENT(nfsd_file_alloc);
224 DEFINE_NFSD_FILE_EVENT(nfsd_file_put_final);
225 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash);
226 DEFINE_NFSD_FILE_EVENT(nfsd_file_put);
227 DEFINE_NFSD_FILE_EVENT(nfsd_file_unhash_and_release_locked);
228 
229 TRACE_EVENT(nfsd_file_acquire,
230 	TP_PROTO(struct svc_rqst *rqstp, unsigned int hash,
231 		 struct inode *inode, unsigned int may_flags,
232 		 struct nfsd_file *nf, __be32 status),
233 
234 	TP_ARGS(rqstp, hash, inode, may_flags, nf, status),
235 
236 	TP_STRUCT__entry(
237 		__field(u32, xid)
238 		__field(unsigned int, hash)
239 		__field(void *, inode)
240 		__field(unsigned int, may_flags)
241 		__field(int, nf_ref)
242 		__field(unsigned long, nf_flags)
243 		__field(unsigned char, nf_may)
244 		__field(struct file *, nf_file)
245 		__field(u32, status)
246 	),
247 
248 	TP_fast_assign(
249 		__entry->xid = be32_to_cpu(rqstp->rq_xid);
250 		__entry->hash = hash;
251 		__entry->inode = inode;
252 		__entry->may_flags = may_flags;
253 		__entry->nf_ref = nf ? refcount_read(&nf->nf_ref) : 0;
254 		__entry->nf_flags = nf ? nf->nf_flags : 0;
255 		__entry->nf_may = nf ? nf->nf_may : 0;
256 		__entry->nf_file = nf ? nf->nf_file : NULL;
257 		__entry->status = be32_to_cpu(status);
258 	),
259 
260 	TP_printk("xid=0x%x hash=0x%x inode=0x%p may_flags=%s ref=%d nf_flags=%s nf_may=%s nf_file=0x%p status=%u",
261 			__entry->xid, __entry->hash, __entry->inode,
262 			show_nf_may(__entry->may_flags), __entry->nf_ref,
263 			show_nf_flags(__entry->nf_flags),
264 			show_nf_may(__entry->nf_may), __entry->nf_file,
265 			__entry->status)
266 );
267 
268 DECLARE_EVENT_CLASS(nfsd_file_search_class,
269 	TP_PROTO(struct inode *inode, unsigned int hash, int found),
270 	TP_ARGS(inode, hash, found),
271 	TP_STRUCT__entry(
272 		__field(struct inode *, inode)
273 		__field(unsigned int, hash)
274 		__field(int, found)
275 	),
276 	TP_fast_assign(
277 		__entry->inode = inode;
278 		__entry->hash = hash;
279 		__entry->found = found;
280 	),
281 	TP_printk("hash=0x%x inode=0x%p found=%d", __entry->hash,
282 			__entry->inode, __entry->found)
283 );
284 
285 #define DEFINE_NFSD_FILE_SEARCH_EVENT(name)				\
286 DEFINE_EVENT(nfsd_file_search_class, name,				\
287 	TP_PROTO(struct inode *inode, unsigned int hash, int found),	\
288 	TP_ARGS(inode, hash, found))
289 
290 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode_sync);
291 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_close_inode);
292 DEFINE_NFSD_FILE_SEARCH_EVENT(nfsd_file_is_cached);
293 
294 TRACE_EVENT(nfsd_file_fsnotify_handle_event,
295 	TP_PROTO(struct inode *inode, u32 mask),
296 	TP_ARGS(inode, mask),
297 	TP_STRUCT__entry(
298 		__field(struct inode *, inode)
299 		__field(unsigned int, nlink)
300 		__field(umode_t, mode)
301 		__field(u32, mask)
302 	),
303 	TP_fast_assign(
304 		__entry->inode = inode;
305 		__entry->nlink = inode->i_nlink;
306 		__entry->mode = inode->i_mode;
307 		__entry->mask = mask;
308 	),
309 	TP_printk("inode=0x%p nlink=%u mode=0%ho mask=0x%x", __entry->inode,
310 			__entry->nlink, __entry->mode, __entry->mask)
311 );
312 
313 #endif /* _NFSD_TRACE_H */
314 
315 #undef TRACE_INCLUDE_PATH
316 #define TRACE_INCLUDE_PATH .
317 #define TRACE_INCLUDE_FILE trace
318 #include <trace/define_trace.h>
319