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63997775 SW |
1 | #if !defined(_TRACE_GFS2_H) || defined(TRACE_HEADER_MULTI_READ) |
2 | #define _TRACE_GFS2_H | |
3 | ||
4 | #include <linux/tracepoint.h> | |
5 | ||
6 | #undef TRACE_SYSTEM | |
7 | #define TRACE_SYSTEM gfs2 | |
8 | #define TRACE_INCLUDE_FILE trace_gfs2 | |
9 | ||
10 | #include <linux/fs.h> | |
11 | #include <linux/buffer_head.h> | |
12 | #include <linux/dlmconstants.h> | |
13 | #include <linux/gfs2_ondisk.h> | |
14 | #include "incore.h" | |
15 | #include "glock.h" | |
16 | ||
17 | #define dlm_state_name(nn) { DLM_LOCK_##nn, #nn } | |
18 | #define glock_trace_name(x) __print_symbolic(x, \ | |
19 | dlm_state_name(IV), \ | |
20 | dlm_state_name(NL), \ | |
21 | dlm_state_name(CR), \ | |
22 | dlm_state_name(CW), \ | |
23 | dlm_state_name(PR), \ | |
24 | dlm_state_name(PW), \ | |
25 | dlm_state_name(EX)) | |
26 | ||
27 | #define block_state_name(x) __print_symbolic(x, \ | |
28 | { GFS2_BLKST_FREE, "free" }, \ | |
29 | { GFS2_BLKST_USED, "used" }, \ | |
30 | { GFS2_BLKST_DINODE, "dinode" }, \ | |
31 | { GFS2_BLKST_UNLINKED, "unlinked" }) | |
32 | ||
33 | #define show_glock_flags(flags) __print_flags(flags, "", \ | |
34 | {(1UL << GLF_LOCK), "l" }, \ | |
35 | {(1UL << GLF_DEMOTE), "D" }, \ | |
36 | {(1UL << GLF_PENDING_DEMOTE), "d" }, \ | |
37 | {(1UL << GLF_DEMOTE_IN_PROGRESS), "p" }, \ | |
38 | {(1UL << GLF_DIRTY), "y" }, \ | |
39 | {(1UL << GLF_LFLUSH), "f" }, \ | |
40 | {(1UL << GLF_INVALIDATE_IN_PROGRESS), "i" }, \ | |
41 | {(1UL << GLF_REPLY_PENDING), "r" }, \ | |
42 | {(1UL << GLF_INITIAL), "I" }, \ | |
43 | {(1UL << GLF_FROZEN), "F" }) | |
44 | ||
45 | #ifndef NUMPTY | |
46 | #define NUMPTY | |
47 | static inline u8 glock_trace_state(unsigned int state) | |
48 | { | |
49 | switch(state) { | |
50 | case LM_ST_SHARED: | |
51 | return DLM_LOCK_PR; | |
52 | case LM_ST_DEFERRED: | |
53 | return DLM_LOCK_CW; | |
54 | case LM_ST_EXCLUSIVE: | |
55 | return DLM_LOCK_EX; | |
56 | } | |
57 | return DLM_LOCK_NL; | |
58 | } | |
59 | #endif | |
60 | ||
61 | /* Section 1 - Locking | |
62 | * | |
63 | * Objectives: | |
64 | * Latency: Remote demote request to state change | |
65 | * Latency: Local lock request to state change | |
66 | * Latency: State change to lock grant | |
67 | * Correctness: Ordering of local lock state vs. I/O requests | |
68 | * Correctness: Responses to remote demote requests | |
69 | */ | |
70 | ||
71 | /* General glock state change (DLM lock request completes) */ | |
72 | TRACE_EVENT(gfs2_glock_state_change, | |
73 | ||
74 | TP_PROTO(const struct gfs2_glock *gl, unsigned int new_state), | |
75 | ||
76 | TP_ARGS(gl, new_state), | |
77 | ||
78 | TP_STRUCT__entry( | |
79 | __field( dev_t, dev ) | |
80 | __field( u64, glnum ) | |
81 | __field( u32, gltype ) | |
82 | __field( u8, cur_state ) | |
83 | __field( u8, new_state ) | |
84 | __field( u8, dmt_state ) | |
85 | __field( u8, tgt_state ) | |
86 | __field( unsigned long, flags ) | |
87 | ), | |
88 | ||
89 | TP_fast_assign( | |
90 | __entry->dev = gl->gl_sbd->sd_vfs->s_dev; | |
91 | __entry->glnum = gl->gl_name.ln_number; | |
92 | __entry->gltype = gl->gl_name.ln_type; | |
93 | __entry->cur_state = glock_trace_state(gl->gl_state); | |
94 | __entry->new_state = glock_trace_state(new_state); | |
95 | __entry->tgt_state = glock_trace_state(gl->gl_target); | |
96 | __entry->dmt_state = glock_trace_state(gl->gl_demote_state); | |
97 | __entry->flags = gl->gl_flags; | |
98 | ), | |
99 | ||
100 | TP_printk("%u,%u glock %d:%lld state %s to %s tgt:%s dmt:%s flags:%s", | |
101 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype, | |
102 | (unsigned long long)__entry->glnum, | |
103 | glock_trace_name(__entry->cur_state), | |
104 | glock_trace_name(__entry->new_state), | |
105 | glock_trace_name(__entry->tgt_state), | |
106 | glock_trace_name(__entry->dmt_state), | |
107 | show_glock_flags(__entry->flags)) | |
108 | ); | |
109 | ||
110 | /* State change -> unlocked, glock is being deallocated */ | |
111 | TRACE_EVENT(gfs2_glock_put, | |
112 | ||
113 | TP_PROTO(const struct gfs2_glock *gl), | |
114 | ||
115 | TP_ARGS(gl), | |
116 | ||
117 | TP_STRUCT__entry( | |
118 | __field( dev_t, dev ) | |
119 | __field( u64, glnum ) | |
120 | __field( u32, gltype ) | |
121 | __field( u8, cur_state ) | |
122 | __field( unsigned long, flags ) | |
123 | ), | |
124 | ||
125 | TP_fast_assign( | |
126 | __entry->dev = gl->gl_sbd->sd_vfs->s_dev; | |
127 | __entry->gltype = gl->gl_name.ln_type; | |
128 | __entry->glnum = gl->gl_name.ln_number; | |
129 | __entry->cur_state = glock_trace_state(gl->gl_state); | |
130 | __entry->flags = gl->gl_flags; | |
131 | ), | |
132 | ||
133 | TP_printk("%u,%u glock %d:%lld state %s => %s flags:%s", | |
134 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
135 | __entry->gltype, (unsigned long long)__entry->glnum, | |
136 | glock_trace_name(__entry->cur_state), | |
137 | glock_trace_name(DLM_LOCK_IV), | |
138 | show_glock_flags(__entry->flags)) | |
139 | ||
140 | ); | |
141 | ||
142 | /* Callback (local or remote) requesting lock demotion */ | |
143 | TRACE_EVENT(gfs2_demote_rq, | |
144 | ||
145 | TP_PROTO(const struct gfs2_glock *gl), | |
146 | ||
147 | TP_ARGS(gl), | |
148 | ||
149 | TP_STRUCT__entry( | |
150 | __field( dev_t, dev ) | |
151 | __field( u64, glnum ) | |
152 | __field( u32, gltype ) | |
153 | __field( u8, cur_state ) | |
154 | __field( u8, dmt_state ) | |
155 | __field( unsigned long, flags ) | |
156 | ), | |
157 | ||
158 | TP_fast_assign( | |
159 | __entry->dev = gl->gl_sbd->sd_vfs->s_dev; | |
160 | __entry->gltype = gl->gl_name.ln_type; | |
161 | __entry->glnum = gl->gl_name.ln_number; | |
162 | __entry->cur_state = glock_trace_state(gl->gl_state); | |
163 | __entry->dmt_state = glock_trace_state(gl->gl_demote_state); | |
164 | __entry->flags = gl->gl_flags; | |
165 | ), | |
166 | ||
167 | TP_printk("%u,%u glock %d:%lld demote %s to %s flags:%s", | |
168 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype, | |
169 | (unsigned long long)__entry->glnum, | |
170 | glock_trace_name(__entry->cur_state), | |
171 | glock_trace_name(__entry->dmt_state), | |
172 | show_glock_flags(__entry->flags)) | |
173 | ||
174 | ); | |
175 | ||
176 | /* Promotion/grant of a glock */ | |
177 | TRACE_EVENT(gfs2_promote, | |
178 | ||
179 | TP_PROTO(const struct gfs2_holder *gh, int first), | |
180 | ||
181 | TP_ARGS(gh, first), | |
182 | ||
183 | TP_STRUCT__entry( | |
184 | __field( dev_t, dev ) | |
185 | __field( u64, glnum ) | |
186 | __field( u32, gltype ) | |
187 | __field( int, first ) | |
188 | __field( u8, state ) | |
189 | ), | |
190 | ||
191 | TP_fast_assign( | |
192 | __entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev; | |
193 | __entry->glnum = gh->gh_gl->gl_name.ln_number; | |
194 | __entry->gltype = gh->gh_gl->gl_name.ln_type; | |
195 | __entry->first = first; | |
196 | __entry->state = glock_trace_state(gh->gh_state); | |
197 | ), | |
198 | ||
199 | TP_printk("%u,%u glock %u:%llu promote %s %s", | |
200 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype, | |
201 | (unsigned long long)__entry->glnum, | |
202 | __entry->first ? "first": "other", | |
203 | glock_trace_name(__entry->state)) | |
204 | ); | |
205 | ||
206 | /* Queue/dequeue a lock request */ | |
207 | TRACE_EVENT(gfs2_glock_queue, | |
208 | ||
209 | TP_PROTO(const struct gfs2_holder *gh, int queue), | |
210 | ||
211 | TP_ARGS(gh, queue), | |
212 | ||
213 | TP_STRUCT__entry( | |
214 | __field( dev_t, dev ) | |
215 | __field( u64, glnum ) | |
216 | __field( u32, gltype ) | |
217 | __field( int, queue ) | |
218 | __field( u8, state ) | |
219 | ), | |
220 | ||
221 | TP_fast_assign( | |
222 | __entry->dev = gh->gh_gl->gl_sbd->sd_vfs->s_dev; | |
223 | __entry->glnum = gh->gh_gl->gl_name.ln_number; | |
224 | __entry->gltype = gh->gh_gl->gl_name.ln_type; | |
225 | __entry->queue = queue; | |
226 | __entry->state = glock_trace_state(gh->gh_state); | |
227 | ), | |
228 | ||
229 | TP_printk("%u,%u glock %u:%llu %squeue %s", | |
230 | MAJOR(__entry->dev), MINOR(__entry->dev), __entry->gltype, | |
231 | (unsigned long long)__entry->glnum, | |
232 | __entry->queue ? "" : "de", | |
233 | glock_trace_name(__entry->state)) | |
234 | ); | |
235 | ||
236 | /* Section 2 - Log/journal | |
237 | * | |
238 | * Objectives: | |
239 | * Latency: Log flush time | |
240 | * Correctness: pin/unpin vs. disk I/O ordering | |
241 | * Performance: Log usage stats | |
242 | */ | |
243 | ||
244 | /* Pin/unpin a block in the log */ | |
245 | TRACE_EVENT(gfs2_pin, | |
246 | ||
247 | TP_PROTO(const struct gfs2_bufdata *bd, int pin), | |
248 | ||
249 | TP_ARGS(bd, pin), | |
250 | ||
251 | TP_STRUCT__entry( | |
252 | __field( dev_t, dev ) | |
253 | __field( int, pin ) | |
254 | __field( u32, len ) | |
255 | __field( sector_t, block ) | |
256 | __field( u64, ino ) | |
257 | ), | |
258 | ||
259 | TP_fast_assign( | |
260 | __entry->dev = bd->bd_gl->gl_sbd->sd_vfs->s_dev; | |
261 | __entry->pin = pin; | |
262 | __entry->len = bd->bd_bh->b_size; | |
263 | __entry->block = bd->bd_bh->b_blocknr; | |
264 | __entry->ino = bd->bd_gl->gl_name.ln_number; | |
265 | ), | |
266 | ||
267 | TP_printk("%u,%u log %s %llu/%lu inode %llu", | |
268 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
269 | __entry->pin ? "pin" : "unpin", | |
270 | (unsigned long long)__entry->block, | |
271 | (unsigned long)__entry->len, | |
272 | (unsigned long long)__entry->ino) | |
273 | ); | |
274 | ||
275 | /* Flushing the log */ | |
276 | TRACE_EVENT(gfs2_log_flush, | |
277 | ||
278 | TP_PROTO(const struct gfs2_sbd *sdp, int start), | |
279 | ||
280 | TP_ARGS(sdp, start), | |
281 | ||
282 | TP_STRUCT__entry( | |
283 | __field( dev_t, dev ) | |
284 | __field( int, start ) | |
285 | __field( u64, log_seq ) | |
286 | ), | |
287 | ||
288 | TP_fast_assign( | |
289 | __entry->dev = sdp->sd_vfs->s_dev; | |
290 | __entry->start = start; | |
291 | __entry->log_seq = sdp->sd_log_sequence; | |
292 | ), | |
293 | ||
294 | TP_printk("%u,%u log flush %s %llu", | |
295 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
296 | __entry->start ? "start" : "end", | |
297 | (unsigned long long)__entry->log_seq) | |
298 | ); | |
299 | ||
300 | /* Reserving/releasing blocks in the log */ | |
301 | TRACE_EVENT(gfs2_log_blocks, | |
302 | ||
303 | TP_PROTO(const struct gfs2_sbd *sdp, int blocks), | |
304 | ||
305 | TP_ARGS(sdp, blocks), | |
306 | ||
307 | TP_STRUCT__entry( | |
308 | __field( dev_t, dev ) | |
309 | __field( int, blocks ) | |
310 | ), | |
311 | ||
312 | TP_fast_assign( | |
313 | __entry->dev = sdp->sd_vfs->s_dev; | |
314 | __entry->blocks = blocks; | |
315 | ), | |
316 | ||
317 | TP_printk("%u,%u log reserve %d", MAJOR(__entry->dev), | |
318 | MINOR(__entry->dev), __entry->blocks) | |
319 | ); | |
320 | ||
321 | /* Section 3 - bmap | |
322 | * | |
323 | * Objectives: | |
324 | * Latency: Bmap request time | |
325 | * Performance: Block allocator tracing | |
326 | * Correctness: Test of disard generation vs. blocks allocated | |
327 | */ | |
328 | ||
329 | /* Map an extent of blocks, possibly a new allocation */ | |
330 | TRACE_EVENT(gfs2_bmap, | |
331 | ||
332 | TP_PROTO(const struct gfs2_inode *ip, const struct buffer_head *bh, | |
333 | sector_t lblock, int create, int errno), | |
334 | ||
335 | TP_ARGS(ip, bh, lblock, create, errno), | |
336 | ||
337 | TP_STRUCT__entry( | |
338 | __field( dev_t, dev ) | |
339 | __field( sector_t, lblock ) | |
340 | __field( sector_t, pblock ) | |
341 | __field( u64, inum ) | |
342 | __field( unsigned long, state ) | |
343 | __field( u32, len ) | |
344 | __field( int, create ) | |
345 | __field( int, errno ) | |
346 | ), | |
347 | ||
348 | TP_fast_assign( | |
349 | __entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev; | |
350 | __entry->lblock = lblock; | |
351 | __entry->pblock = buffer_mapped(bh) ? bh->b_blocknr : 0; | |
352 | __entry->inum = ip->i_no_addr; | |
353 | __entry->state = bh->b_state; | |
354 | __entry->len = bh->b_size; | |
355 | __entry->create = create; | |
356 | __entry->errno = errno; | |
357 | ), | |
358 | ||
359 | TP_printk("%u,%u bmap %llu map %llu/%lu to %llu flags:%08lx %s %d", | |
360 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
361 | (unsigned long long)__entry->inum, | |
362 | (unsigned long long)__entry->lblock, | |
363 | (unsigned long)__entry->len, | |
364 | (unsigned long long)__entry->pblock, | |
365 | __entry->state, __entry->create ? "create " : "nocreate", | |
366 | __entry->errno) | |
367 | ); | |
368 | ||
369 | /* Keep track of blocks as they are allocated/freed */ | |
370 | TRACE_EVENT(gfs2_block_alloc, | |
371 | ||
372 | TP_PROTO(const struct gfs2_inode *ip, u64 block, unsigned len, | |
373 | u8 block_state), | |
374 | ||
375 | TP_ARGS(ip, block, len, block_state), | |
376 | ||
377 | TP_STRUCT__entry( | |
378 | __field( dev_t, dev ) | |
379 | __field( u64, start ) | |
380 | __field( u64, inum ) | |
381 | __field( u32, len ) | |
382 | __field( u8, block_state ) | |
383 | ), | |
384 | ||
385 | TP_fast_assign( | |
386 | __entry->dev = ip->i_gl->gl_sbd->sd_vfs->s_dev; | |
387 | __entry->start = block; | |
388 | __entry->inum = ip->i_no_addr; | |
389 | __entry->len = len; | |
390 | __entry->block_state = block_state; | |
391 | ), | |
392 | ||
393 | TP_printk("%u,%u bmap %llu alloc %llu/%lu %s", | |
394 | MAJOR(__entry->dev), MINOR(__entry->dev), | |
395 | (unsigned long long)__entry->inum, | |
396 | (unsigned long long)__entry->start, | |
397 | (unsigned long)__entry->len, | |
398 | block_state_name(__entry->block_state)) | |
399 | ); | |
400 | ||
401 | #endif /* _TRACE_GFS2_H */ | |
402 | ||
403 | /* This part must be outside protection */ | |
404 | #undef TRACE_INCLUDE_PATH | |
405 | #define TRACE_INCLUDE_PATH . | |
406 | #include <trace/define_trace.h> | |
407 |