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1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* FS-Cache tracepoints
3 *
4 * Copyright (C) 2016 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7#undef TRACE_SYSTEM
8#define TRACE_SYSTEM fscache
9
10#if !defined(_TRACE_FSCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_FSCACHE_H
12
13#include <linux/fscache.h>
14#include <linux/tracepoint.h>
15
16/*
17 * Define enums for tracing information.
18 */
19#ifndef __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY
20#define __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY
21
22enum fscache_cookie_trace {
23 fscache_cookie_collision,
24 fscache_cookie_discard,
25 fscache_cookie_get_acquire_parent,
26 fscache_cookie_get_attach_object,
27 fscache_cookie_get_reacquire,
28 fscache_cookie_get_register_netfs,
29 fscache_cookie_put_acquire_nobufs,
30 fscache_cookie_put_dup_netfs,
31 fscache_cookie_put_relinquish,
32 fscache_cookie_put_object,
33 fscache_cookie_put_parent,
34};
35
36enum fscache_page_trace {
37 fscache_page_cached,
38 fscache_page_inval,
39 fscache_page_maybe_release,
40 fscache_page_radix_clear_store,
41 fscache_page_radix_delete,
42 fscache_page_radix_insert,
43 fscache_page_radix_pend2store,
44 fscache_page_radix_set_pend,
45 fscache_page_uncache,
46 fscache_page_write,
47 fscache_page_write_end,
48 fscache_page_write_end_pend,
49 fscache_page_write_end_noc,
50 fscache_page_write_wait,
51 fscache_page_trace__nr
52};
53
54enum fscache_op_trace {
55 fscache_op_cancel,
56 fscache_op_cancel_all,
57 fscache_op_cancelled,
58 fscache_op_completed,
59 fscache_op_enqueue_async,
60 fscache_op_enqueue_mythread,
61 fscache_op_gc,
62 fscache_op_init,
63 fscache_op_put,
64 fscache_op_run,
65 fscache_op_signal,
66 fscache_op_submit,
67 fscache_op_submit_ex,
68 fscache_op_work,
69 fscache_op_trace__nr
70};
71
72enum fscache_page_op_trace {
73 fscache_page_op_alloc_one,
74 fscache_page_op_attr_changed,
75 fscache_page_op_check_consistency,
76 fscache_page_op_invalidate,
77 fscache_page_op_retr_multi,
78 fscache_page_op_retr_one,
79 fscache_page_op_write_one,
80 fscache_page_op_trace__nr
81};
82
83#endif
84
85/*
86 * Declare tracing information enums and their string mappings for display.
87 */
88#define fscache_cookie_traces \
89 EM(fscache_cookie_collision, "*COLLISION*") \
90 EM(fscache_cookie_discard, "DISCARD") \
91 EM(fscache_cookie_get_acquire_parent, "GET prn") \
92 EM(fscache_cookie_get_attach_object, "GET obj") \
93 EM(fscache_cookie_get_reacquire, "GET raq") \
94 EM(fscache_cookie_get_register_netfs, "GET net") \
95 EM(fscache_cookie_put_acquire_nobufs, "PUT nbf") \
96 EM(fscache_cookie_put_dup_netfs, "PUT dnt") \
97 EM(fscache_cookie_put_relinquish, "PUT rlq") \
98 EM(fscache_cookie_put_object, "PUT obj") \
99 E_(fscache_cookie_put_parent, "PUT prn")
100
101#define fscache_page_traces \
102 EM(fscache_page_cached, "Cached ") \
103 EM(fscache_page_inval, "InvalPg") \
104 EM(fscache_page_maybe_release, "MayRels") \
105 EM(fscache_page_uncache, "Uncache") \
106 EM(fscache_page_radix_clear_store, "RxCStr ") \
107 EM(fscache_page_radix_delete, "RxDel ") \
108 EM(fscache_page_radix_insert, "RxIns ") \
109 EM(fscache_page_radix_pend2store, "RxP2S ") \
110 EM(fscache_page_radix_set_pend, "RxSPend ") \
111 EM(fscache_page_write, "WritePg") \
112 EM(fscache_page_write_end, "EndPgWr") \
113 EM(fscache_page_write_end_pend, "EndPgWP") \
114 EM(fscache_page_write_end_noc, "EndPgNC") \
115 E_(fscache_page_write_wait, "WtOnWrt")
116
117#define fscache_op_traces \
118 EM(fscache_op_cancel, "Cancel1") \
119 EM(fscache_op_cancel_all, "CancelA") \
120 EM(fscache_op_cancelled, "Canclld") \
121 EM(fscache_op_completed, "Complet") \
122 EM(fscache_op_enqueue_async, "EnqAsyn") \
123 EM(fscache_op_enqueue_mythread, "EnqMyTh") \
124 EM(fscache_op_gc, "GC ") \
125 EM(fscache_op_init, "Init ") \
126 EM(fscache_op_put, "Put ") \
127 EM(fscache_op_run, "Run ") \
128 EM(fscache_op_signal, "Signal ") \
129 EM(fscache_op_submit, "Submit ") \
130 EM(fscache_op_submit_ex, "SubmitX") \
131 E_(fscache_op_work, "Work ")
132
133#define fscache_page_op_traces \
134 EM(fscache_page_op_alloc_one, "Alloc1 ") \
135 EM(fscache_page_op_attr_changed, "AttrChg") \
136 EM(fscache_page_op_check_consistency, "CheckCn") \
137 EM(fscache_page_op_invalidate, "Inval ") \
138 EM(fscache_page_op_retr_multi, "RetrMul") \
139 EM(fscache_page_op_retr_one, "Retr1 ") \
140 E_(fscache_page_op_write_one, "Write1 ")
141
142/*
143 * Export enum symbols via userspace.
144 */
145#undef EM
146#undef E_
147#define EM(a, b) TRACE_DEFINE_ENUM(a);
148#define E_(a, b) TRACE_DEFINE_ENUM(a);
149
150fscache_cookie_traces;
151
152/*
153 * Now redefine the EM() and E_() macros to map the enums to the strings that
154 * will be printed in the output.
155 */
156#undef EM
157#undef E_
158#define EM(a, b) { a, b },
159#define E_(a, b) { a, b }
160
161
162TRACE_EVENT(fscache_cookie,
163 TP_PROTO(struct fscache_cookie *cookie,
164 enum fscache_cookie_trace where,
165 int usage),
166
167 TP_ARGS(cookie, where, usage),
168
169 TP_STRUCT__entry(
170 __field(struct fscache_cookie *, cookie )
171 __field(struct fscache_cookie *, parent )
172 __field(enum fscache_cookie_trace, where )
173 __field(int, usage )
174 __field(int, n_children )
175 __field(int, n_active )
176 __field(u8, flags )
177 ),
178
179 TP_fast_assign(
180 __entry->cookie = cookie;
181 __entry->parent = cookie->parent;
182 __entry->where = where;
183 __entry->usage = usage;
184 __entry->n_children = atomic_read(&cookie->n_children);
185 __entry->n_active = atomic_read(&cookie->n_active);
186 __entry->flags = cookie->flags;
187 ),
188
189 TP_printk("%s c=%p u=%d p=%p Nc=%d Na=%d f=%02x",
190 __print_symbolic(__entry->where, fscache_cookie_traces),
191 __entry->cookie, __entry->usage,
192 __entry->parent, __entry->n_children, __entry->n_active,
193 __entry->flags)
194 );
195
196TRACE_EVENT(fscache_netfs,
197 TP_PROTO(struct fscache_netfs *netfs),
198
199 TP_ARGS(netfs),
200
201 TP_STRUCT__entry(
202 __field(struct fscache_cookie *, cookie )
203 __array(char, name, 8 )
204 ),
205
206 TP_fast_assign(
207 __entry->cookie = netfs->primary_index;
208 strncpy(__entry->name, netfs->name, 8);
209 __entry->name[7] = 0;
210 ),
211
212 TP_printk("c=%p n=%s",
213 __entry->cookie, __entry->name)
214 );
215
216TRACE_EVENT(fscache_acquire,
217 TP_PROTO(struct fscache_cookie *cookie),
218
219 TP_ARGS(cookie),
220
221 TP_STRUCT__entry(
222 __field(struct fscache_cookie *, cookie )
223 __field(struct fscache_cookie *, parent )
224 __array(char, name, 8 )
225 __field(int, p_usage )
226 __field(int, p_n_children )
227 __field(u8, p_flags )
228 ),
229
230 TP_fast_assign(
231 __entry->cookie = cookie;
232 __entry->parent = cookie->parent;
233 __entry->p_usage = atomic_read(&cookie->parent->usage);
234 __entry->p_n_children = atomic_read(&cookie->parent->n_children);
235 __entry->p_flags = cookie->parent->flags;
236 memcpy(__entry->name, cookie->def->name, 8);
237 __entry->name[7] = 0;
238 ),
239
240 TP_printk("c=%p p=%p pu=%d pc=%d pf=%02x n=%s",
241 __entry->cookie, __entry->parent, __entry->p_usage,
242 __entry->p_n_children, __entry->p_flags, __entry->name)
243 );
244
245TRACE_EVENT(fscache_relinquish,
246 TP_PROTO(struct fscache_cookie *cookie, bool retire),
247
248 TP_ARGS(cookie, retire),
249
250 TP_STRUCT__entry(
251 __field(struct fscache_cookie *, cookie )
252 __field(struct fscache_cookie *, parent )
253 __field(int, usage )
254 __field(int, n_children )
255 __field(int, n_active )
256 __field(u8, flags )
257 __field(bool, retire )
258 ),
259
260 TP_fast_assign(
261 __entry->cookie = cookie;
262 __entry->parent = cookie->parent;
263 __entry->usage = atomic_read(&cookie->usage);
264 __entry->n_children = atomic_read(&cookie->n_children);
265 __entry->n_active = atomic_read(&cookie->n_active);
266 __entry->flags = cookie->flags;
267 __entry->retire = retire;
268 ),
269
270 TP_printk("c=%p u=%d p=%p Nc=%d Na=%d f=%02x r=%u",
271 __entry->cookie, __entry->usage,
272 __entry->parent, __entry->n_children, __entry->n_active,
273 __entry->flags, __entry->retire)
274 );
275
276TRACE_EVENT(fscache_enable,
277 TP_PROTO(struct fscache_cookie *cookie),
278
279 TP_ARGS(cookie),
280
281 TP_STRUCT__entry(
282 __field(struct fscache_cookie *, cookie )
283 __field(int, usage )
284 __field(int, n_children )
285 __field(int, n_active )
286 __field(u8, flags )
287 ),
288
289 TP_fast_assign(
290 __entry->cookie = cookie;
291 __entry->usage = atomic_read(&cookie->usage);
292 __entry->n_children = atomic_read(&cookie->n_children);
293 __entry->n_active = atomic_read(&cookie->n_active);
294 __entry->flags = cookie->flags;
295 ),
296
297 TP_printk("c=%p u=%d Nc=%d Na=%d f=%02x",
298 __entry->cookie, __entry->usage,
299 __entry->n_children, __entry->n_active, __entry->flags)
300 );
301
302TRACE_EVENT(fscache_disable,
303 TP_PROTO(struct fscache_cookie *cookie),
304
305 TP_ARGS(cookie),
306
307 TP_STRUCT__entry(
308 __field(struct fscache_cookie *, cookie )
309 __field(int, usage )
310 __field(int, n_children )
311 __field(int, n_active )
312 __field(u8, flags )
313 ),
314
315 TP_fast_assign(
316 __entry->cookie = cookie;
317 __entry->usage = atomic_read(&cookie->usage);
318 __entry->n_children = atomic_read(&cookie->n_children);
319 __entry->n_active = atomic_read(&cookie->n_active);
320 __entry->flags = cookie->flags;
321 ),
322
323 TP_printk("c=%p u=%d Nc=%d Na=%d f=%02x",
324 __entry->cookie, __entry->usage,
325 __entry->n_children, __entry->n_active, __entry->flags)
326 );
327
328TRACE_EVENT(fscache_osm,
329 TP_PROTO(struct fscache_object *object,
330 const struct fscache_state *state,
331 bool wait, bool oob, s8 event_num),
332
333 TP_ARGS(object, state, wait, oob, event_num),
334
335 TP_STRUCT__entry(
336 __field(struct fscache_cookie *, cookie )
337 __field(struct fscache_object *, object )
338 __array(char, state, 8 )
339 __field(bool, wait )
340 __field(bool, oob )
341 __field(s8, event_num )
342 ),
343
344 TP_fast_assign(
345 __entry->cookie = object->cookie;
346 __entry->object = object;
347 __entry->wait = wait;
348 __entry->oob = oob;
349 __entry->event_num = event_num;
350 memcpy(__entry->state, state->short_name, 8);
351 ),
352
353 TP_printk("c=%p o=%p %s %s%sev=%d",
354 __entry->cookie,
355 __entry->object,
356 __entry->state,
357 __print_symbolic(__entry->wait,
358 { true, "WAIT" },
359 { false, "WORK" }),
360 __print_symbolic(__entry->oob,
361 { true, " OOB " },
362 { false, " " }),
363 __entry->event_num)
364 );
365
366TRACE_EVENT(fscache_page,
367 TP_PROTO(struct fscache_cookie *cookie, struct page *page,
368 enum fscache_page_trace why),
369
370 TP_ARGS(cookie, page, why),
371
372 TP_STRUCT__entry(
373 __field(struct fscache_cookie *, cookie )
374 __field(pgoff_t, page )
375 __field(enum fscache_page_trace, why )
376 ),
377
378 TP_fast_assign(
379 __entry->cookie = cookie;
380 __entry->page = page->index;
381 __entry->why = why;
382 ),
383
384 TP_printk("c=%p %s pg=%lx",
385 __entry->cookie,
386 __print_symbolic(__entry->why, fscache_page_traces),
387 __entry->page)
388 );
389
390TRACE_EVENT(fscache_check_page,
391 TP_PROTO(struct fscache_cookie *cookie, struct page *page,
392 void *val, int n),
393
394 TP_ARGS(cookie, page, val, n),
395
396 TP_STRUCT__entry(
397 __field(struct fscache_cookie *, cookie )
398 __field(void *, page )
399 __field(void *, val )
400 __field(int, n )
401 ),
402
403 TP_fast_assign(
404 __entry->cookie = cookie;
405 __entry->page = page;
406 __entry->val = val;
407 __entry->n = n;
408 ),
409
410 TP_printk("c=%p pg=%p val=%p n=%d",
411 __entry->cookie, __entry->page, __entry->val, __entry->n)
412 );
413
414TRACE_EVENT(fscache_wake_cookie,
415 TP_PROTO(struct fscache_cookie *cookie),
416
417 TP_ARGS(cookie),
418
419 TP_STRUCT__entry(
420 __field(struct fscache_cookie *, cookie )
421 ),
422
423 TP_fast_assign(
424 __entry->cookie = cookie;
425 ),
426
427 TP_printk("c=%p", __entry->cookie)
428 );
429
430TRACE_EVENT(fscache_op,
431 TP_PROTO(struct fscache_cookie *cookie, struct fscache_operation *op,
432 enum fscache_op_trace why),
433
434 TP_ARGS(cookie, op, why),
435
436 TP_STRUCT__entry(
437 __field(struct fscache_cookie *, cookie )
438 __field(struct fscache_operation *, op )
439 __field(enum fscache_op_trace, why )
440 ),
441
442 TP_fast_assign(
443 __entry->cookie = cookie;
444 __entry->op = op;
445 __entry->why = why;
446 ),
447
448 TP_printk("c=%p op=%p %s",
449 __entry->cookie, __entry->op,
450 __print_symbolic(__entry->why, fscache_op_traces))
451 );
452
453TRACE_EVENT(fscache_page_op,
454 TP_PROTO(struct fscache_cookie *cookie, struct page *page,
455 struct fscache_operation *op, enum fscache_page_op_trace what),
456
457 TP_ARGS(cookie, page, op, what),
458
459 TP_STRUCT__entry(
460 __field(struct fscache_cookie *, cookie )
461 __field(pgoff_t, page )
462 __field(struct fscache_operation *, op )
463 __field(enum fscache_page_op_trace, what )
464 ),
465
466 TP_fast_assign(
467 __entry->cookie = cookie;
468 __entry->page = page ? page->index : 0;
469 __entry->op = op;
470 __entry->what = what;
471 ),
472
473 TP_printk("c=%p %s pg=%lx op=%p",
474 __entry->cookie,
475 __print_symbolic(__entry->what, fscache_page_op_traces),
476 __entry->page, __entry->op)
477 );
478
479TRACE_EVENT(fscache_wrote_page,
480 TP_PROTO(struct fscache_cookie *cookie, struct page *page,
481 struct fscache_operation *op, int ret),
482
483 TP_ARGS(cookie, page, op, ret),
484
485 TP_STRUCT__entry(
486 __field(struct fscache_cookie *, cookie )
487 __field(pgoff_t, page )
488 __field(struct fscache_operation *, op )
489 __field(int, ret )
490 ),
491
492 TP_fast_assign(
493 __entry->cookie = cookie;
494 __entry->page = page->index;
495 __entry->op = op;
496 __entry->ret = ret;
497 ),
498
499 TP_printk("c=%p pg=%lx op=%p ret=%d",
500 __entry->cookie, __entry->page, __entry->op, __entry->ret)
501 );
502
503TRACE_EVENT(fscache_gang_lookup,
504 TP_PROTO(struct fscache_cookie *cookie, struct fscache_operation *op,
505 void **results, int n, pgoff_t store_limit),
506
507 TP_ARGS(cookie, op, results, n, store_limit),
508
509 TP_STRUCT__entry(
510 __field(struct fscache_cookie *, cookie )
511 __field(struct fscache_operation *, op )
512 __field(pgoff_t, results0 )
513 __field(int, n )
514 __field(pgoff_t, store_limit )
515 ),
516
517 TP_fast_assign(
518 __entry->cookie = cookie;
519 __entry->op = op;
520 __entry->results0 = results[0] ? ((struct page *)results[0])->index : (pgoff_t)-1;
521 __entry->n = n;
522 __entry->store_limit = store_limit;
523 ),
524
525 TP_printk("c=%p op=%p r0=%lx n=%d sl=%lx",
526 __entry->cookie, __entry->op, __entry->results0, __entry->n,
527 __entry->store_limit)
528 );
529
530#endif /* _TRACE_FSCACHE_H */
531
532/* This part must be outside protection */
533#include <trace/define_trace.h>
1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* FS-Cache tracepoints
3 *
4 * Copyright (C) 2021 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
6 */
7#undef TRACE_SYSTEM
8#define TRACE_SYSTEM fscache
9
10#if !defined(_TRACE_FSCACHE_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_FSCACHE_H
12
13#include <linux/fscache.h>
14#include <linux/tracepoint.h>
15
16/*
17 * Define enums for tracing information.
18 */
19#ifndef __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY
20#define __FSCACHE_DECLARE_TRACE_ENUMS_ONCE_ONLY
21
22enum fscache_cache_trace {
23 fscache_cache_collision,
24 fscache_cache_get_acquire,
25 fscache_cache_new_acquire,
26 fscache_cache_put_alloc_volume,
27 fscache_cache_put_cache,
28 fscache_cache_put_prep_failed,
29 fscache_cache_put_relinquish,
30 fscache_cache_put_volume,
31};
32
33enum fscache_volume_trace {
34 fscache_volume_collision,
35 fscache_volume_get_cookie,
36 fscache_volume_get_create_work,
37 fscache_volume_get_hash_collision,
38 fscache_volume_get_withdraw,
39 fscache_volume_free,
40 fscache_volume_new_acquire,
41 fscache_volume_put_cookie,
42 fscache_volume_put_create_work,
43 fscache_volume_put_hash_collision,
44 fscache_volume_put_relinquish,
45 fscache_volume_put_withdraw,
46 fscache_volume_see_create_work,
47 fscache_volume_see_hash_wake,
48 fscache_volume_wait_create_work,
49};
50
51enum fscache_cookie_trace {
52 fscache_cookie_collision,
53 fscache_cookie_discard,
54 fscache_cookie_failed,
55 fscache_cookie_get_attach_object,
56 fscache_cookie_get_end_access,
57 fscache_cookie_get_hash_collision,
58 fscache_cookie_get_inval_work,
59 fscache_cookie_get_lru,
60 fscache_cookie_get_use_work,
61 fscache_cookie_new_acquire,
62 fscache_cookie_put_hash_collision,
63 fscache_cookie_put_lru,
64 fscache_cookie_put_object,
65 fscache_cookie_put_over_queued,
66 fscache_cookie_put_relinquish,
67 fscache_cookie_put_withdrawn,
68 fscache_cookie_put_work,
69 fscache_cookie_see_active,
70 fscache_cookie_see_lru_discard,
71 fscache_cookie_see_lru_discard_clear,
72 fscache_cookie_see_lru_do_one,
73 fscache_cookie_see_relinquish,
74 fscache_cookie_see_withdraw,
75 fscache_cookie_see_work,
76};
77
78enum fscache_active_trace {
79 fscache_active_use,
80 fscache_active_use_modify,
81 fscache_active_unuse,
82};
83
84enum fscache_access_trace {
85 fscache_access_acquire_volume,
86 fscache_access_acquire_volume_end,
87 fscache_access_cache_pin,
88 fscache_access_cache_unpin,
89 fscache_access_invalidate_cookie,
90 fscache_access_invalidate_cookie_end,
91 fscache_access_io_end,
92 fscache_access_io_not_live,
93 fscache_access_io_read,
94 fscache_access_io_resize,
95 fscache_access_io_wait,
96 fscache_access_io_write,
97 fscache_access_lookup_cookie,
98 fscache_access_lookup_cookie_end,
99 fscache_access_lookup_cookie_end_failed,
100 fscache_access_relinquish_volume,
101 fscache_access_relinquish_volume_end,
102 fscache_access_unlive,
103};
104
105#endif
106
107/*
108 * Declare tracing information enums and their string mappings for display.
109 */
110#define fscache_cache_traces \
111 EM(fscache_cache_collision, "*COLLIDE*") \
112 EM(fscache_cache_get_acquire, "GET acq ") \
113 EM(fscache_cache_new_acquire, "NEW acq ") \
114 EM(fscache_cache_put_alloc_volume, "PUT alvol") \
115 EM(fscache_cache_put_cache, "PUT cache") \
116 EM(fscache_cache_put_prep_failed, "PUT pfail") \
117 EM(fscache_cache_put_relinquish, "PUT relnq") \
118 E_(fscache_cache_put_volume, "PUT vol ")
119
120#define fscache_volume_traces \
121 EM(fscache_volume_collision, "*COLLIDE*") \
122 EM(fscache_volume_get_cookie, "GET cook ") \
123 EM(fscache_volume_get_create_work, "GET creat") \
124 EM(fscache_volume_get_hash_collision, "GET hcoll") \
125 EM(fscache_volume_get_withdraw, "GET withd") \
126 EM(fscache_volume_free, "FREE ") \
127 EM(fscache_volume_new_acquire, "NEW acq ") \
128 EM(fscache_volume_put_cookie, "PUT cook ") \
129 EM(fscache_volume_put_create_work, "PUT creat") \
130 EM(fscache_volume_put_hash_collision, "PUT hcoll") \
131 EM(fscache_volume_put_relinquish, "PUT relnq") \
132 EM(fscache_volume_put_withdraw, "PUT withd") \
133 EM(fscache_volume_see_create_work, "SEE creat") \
134 EM(fscache_volume_see_hash_wake, "SEE hwake") \
135 E_(fscache_volume_wait_create_work, "WAIT crea")
136
137#define fscache_cookie_traces \
138 EM(fscache_cookie_collision, "*COLLIDE*") \
139 EM(fscache_cookie_discard, "DISCARD ") \
140 EM(fscache_cookie_failed, "FAILED ") \
141 EM(fscache_cookie_get_attach_object, "GET attch") \
142 EM(fscache_cookie_get_hash_collision, "GET hcoll") \
143 EM(fscache_cookie_get_end_access, "GQ endac") \
144 EM(fscache_cookie_get_inval_work, "GQ inval") \
145 EM(fscache_cookie_get_lru, "GET lru ") \
146 EM(fscache_cookie_get_use_work, "GQ use ") \
147 EM(fscache_cookie_new_acquire, "NEW acq ") \
148 EM(fscache_cookie_put_hash_collision, "PUT hcoll") \
149 EM(fscache_cookie_put_lru, "PUT lru ") \
150 EM(fscache_cookie_put_object, "PUT obj ") \
151 EM(fscache_cookie_put_over_queued, "PQ overq") \
152 EM(fscache_cookie_put_relinquish, "PUT relnq") \
153 EM(fscache_cookie_put_withdrawn, "PUT wthdn") \
154 EM(fscache_cookie_put_work, "PQ work ") \
155 EM(fscache_cookie_see_active, "- activ") \
156 EM(fscache_cookie_see_lru_discard, "- x-lru") \
157 EM(fscache_cookie_see_lru_discard_clear,"- lrudc") \
158 EM(fscache_cookie_see_lru_do_one, "- lrudo") \
159 EM(fscache_cookie_see_relinquish, "- x-rlq") \
160 EM(fscache_cookie_see_withdraw, "- x-wth") \
161 E_(fscache_cookie_see_work, "- work ")
162
163#define fscache_active_traces \
164 EM(fscache_active_use, "USE ") \
165 EM(fscache_active_use_modify, "USE-m ") \
166 E_(fscache_active_unuse, "UNUSE ")
167
168#define fscache_access_traces \
169 EM(fscache_access_acquire_volume, "BEGIN acq_vol") \
170 EM(fscache_access_acquire_volume_end, "END acq_vol") \
171 EM(fscache_access_cache_pin, "PIN cache ") \
172 EM(fscache_access_cache_unpin, "UNPIN cache ") \
173 EM(fscache_access_invalidate_cookie, "BEGIN inval ") \
174 EM(fscache_access_invalidate_cookie_end,"END inval ") \
175 EM(fscache_access_io_end, "END io ") \
176 EM(fscache_access_io_not_live, "END io_notl") \
177 EM(fscache_access_io_read, "BEGIN io_read") \
178 EM(fscache_access_io_resize, "BEGIN io_resz") \
179 EM(fscache_access_io_wait, "WAIT io ") \
180 EM(fscache_access_io_write, "BEGIN io_writ") \
181 EM(fscache_access_lookup_cookie, "BEGIN lookup ") \
182 EM(fscache_access_lookup_cookie_end, "END lookup ") \
183 EM(fscache_access_lookup_cookie_end_failed,"END lookupf") \
184 EM(fscache_access_relinquish_volume, "BEGIN rlq_vol") \
185 EM(fscache_access_relinquish_volume_end,"END rlq_vol") \
186 E_(fscache_access_unlive, "END unlive ")
187
188/*
189 * Export enum symbols via userspace.
190 */
191#undef EM
192#undef E_
193#define EM(a, b) TRACE_DEFINE_ENUM(a);
194#define E_(a, b) TRACE_DEFINE_ENUM(a);
195
196fscache_cache_traces;
197fscache_volume_traces;
198fscache_cookie_traces;
199fscache_access_traces;
200
201/*
202 * Now redefine the EM() and E_() macros to map the enums to the strings that
203 * will be printed in the output.
204 */
205#undef EM
206#undef E_
207#define EM(a, b) { a, b },
208#define E_(a, b) { a, b }
209
210
211TRACE_EVENT(fscache_cache,
212 TP_PROTO(unsigned int cache_debug_id,
213 int usage,
214 enum fscache_cache_trace where),
215
216 TP_ARGS(cache_debug_id, usage, where),
217
218 TP_STRUCT__entry(
219 __field(unsigned int, cache )
220 __field(int, usage )
221 __field(enum fscache_cache_trace, where )
222 ),
223
224 TP_fast_assign(
225 __entry->cache = cache_debug_id;
226 __entry->usage = usage;
227 __entry->where = where;
228 ),
229
230 TP_printk("C=%08x %s r=%d",
231 __entry->cache,
232 __print_symbolic(__entry->where, fscache_cache_traces),
233 __entry->usage)
234 );
235
236TRACE_EVENT(fscache_volume,
237 TP_PROTO(unsigned int volume_debug_id,
238 int usage,
239 enum fscache_volume_trace where),
240
241 TP_ARGS(volume_debug_id, usage, where),
242
243 TP_STRUCT__entry(
244 __field(unsigned int, volume )
245 __field(int, usage )
246 __field(enum fscache_volume_trace, where )
247 ),
248
249 TP_fast_assign(
250 __entry->volume = volume_debug_id;
251 __entry->usage = usage;
252 __entry->where = where;
253 ),
254
255 TP_printk("V=%08x %s u=%d",
256 __entry->volume,
257 __print_symbolic(__entry->where, fscache_volume_traces),
258 __entry->usage)
259 );
260
261TRACE_EVENT(fscache_cookie,
262 TP_PROTO(unsigned int cookie_debug_id,
263 int ref,
264 enum fscache_cookie_trace where),
265
266 TP_ARGS(cookie_debug_id, ref, where),
267
268 TP_STRUCT__entry(
269 __field(unsigned int, cookie )
270 __field(int, ref )
271 __field(enum fscache_cookie_trace, where )
272 ),
273
274 TP_fast_assign(
275 __entry->cookie = cookie_debug_id;
276 __entry->ref = ref;
277 __entry->where = where;
278 ),
279
280 TP_printk("c=%08x %s r=%d",
281 __entry->cookie,
282 __print_symbolic(__entry->where, fscache_cookie_traces),
283 __entry->ref)
284 );
285
286TRACE_EVENT(fscache_active,
287 TP_PROTO(unsigned int cookie_debug_id,
288 int ref,
289 int n_active,
290 int n_accesses,
291 enum fscache_active_trace why),
292
293 TP_ARGS(cookie_debug_id, ref, n_active, n_accesses, why),
294
295 TP_STRUCT__entry(
296 __field(unsigned int, cookie )
297 __field(int, ref )
298 __field(int, n_active )
299 __field(int, n_accesses )
300 __field(enum fscache_active_trace, why )
301 ),
302
303 TP_fast_assign(
304 __entry->cookie = cookie_debug_id;
305 __entry->ref = ref;
306 __entry->n_active = n_active;
307 __entry->n_accesses = n_accesses;
308 __entry->why = why;
309 ),
310
311 TP_printk("c=%08x %s r=%d a=%d c=%d",
312 __entry->cookie,
313 __print_symbolic(__entry->why, fscache_active_traces),
314 __entry->ref,
315 __entry->n_accesses,
316 __entry->n_active)
317 );
318
319TRACE_EVENT(fscache_access_cache,
320 TP_PROTO(unsigned int cache_debug_id,
321 int ref,
322 int n_accesses,
323 enum fscache_access_trace why),
324
325 TP_ARGS(cache_debug_id, ref, n_accesses, why),
326
327 TP_STRUCT__entry(
328 __field(unsigned int, cache )
329 __field(int, ref )
330 __field(int, n_accesses )
331 __field(enum fscache_access_trace, why )
332 ),
333
334 TP_fast_assign(
335 __entry->cache = cache_debug_id;
336 __entry->ref = ref;
337 __entry->n_accesses = n_accesses;
338 __entry->why = why;
339 ),
340
341 TP_printk("C=%08x %s r=%d a=%d",
342 __entry->cache,
343 __print_symbolic(__entry->why, fscache_access_traces),
344 __entry->ref,
345 __entry->n_accesses)
346 );
347
348TRACE_EVENT(fscache_access_volume,
349 TP_PROTO(unsigned int volume_debug_id,
350 unsigned int cookie_debug_id,
351 int ref,
352 int n_accesses,
353 enum fscache_access_trace why),
354
355 TP_ARGS(volume_debug_id, cookie_debug_id, ref, n_accesses, why),
356
357 TP_STRUCT__entry(
358 __field(unsigned int, volume )
359 __field(unsigned int, cookie )
360 __field(int, ref )
361 __field(int, n_accesses )
362 __field(enum fscache_access_trace, why )
363 ),
364
365 TP_fast_assign(
366 __entry->volume = volume_debug_id;
367 __entry->cookie = cookie_debug_id;
368 __entry->ref = ref;
369 __entry->n_accesses = n_accesses;
370 __entry->why = why;
371 ),
372
373 TP_printk("V=%08x c=%08x %s r=%d a=%d",
374 __entry->volume,
375 __entry->cookie,
376 __print_symbolic(__entry->why, fscache_access_traces),
377 __entry->ref,
378 __entry->n_accesses)
379 );
380
381TRACE_EVENT(fscache_access,
382 TP_PROTO(unsigned int cookie_debug_id,
383 int ref,
384 int n_accesses,
385 enum fscache_access_trace why),
386
387 TP_ARGS(cookie_debug_id, ref, n_accesses, why),
388
389 TP_STRUCT__entry(
390 __field(unsigned int, cookie )
391 __field(int, ref )
392 __field(int, n_accesses )
393 __field(enum fscache_access_trace, why )
394 ),
395
396 TP_fast_assign(
397 __entry->cookie = cookie_debug_id;
398 __entry->ref = ref;
399 __entry->n_accesses = n_accesses;
400 __entry->why = why;
401 ),
402
403 TP_printk("c=%08x %s r=%d a=%d",
404 __entry->cookie,
405 __print_symbolic(__entry->why, fscache_access_traces),
406 __entry->ref,
407 __entry->n_accesses)
408 );
409
410TRACE_EVENT(fscache_acquire,
411 TP_PROTO(struct fscache_cookie *cookie),
412
413 TP_ARGS(cookie),
414
415 TP_STRUCT__entry(
416 __field(unsigned int, cookie )
417 __field(unsigned int, volume )
418 __field(int, v_ref )
419 __field(int, v_n_cookies )
420 ),
421
422 TP_fast_assign(
423 __entry->cookie = cookie->debug_id;
424 __entry->volume = cookie->volume->debug_id;
425 __entry->v_ref = refcount_read(&cookie->volume->ref);
426 __entry->v_n_cookies = atomic_read(&cookie->volume->n_cookies);
427 ),
428
429 TP_printk("c=%08x V=%08x vr=%d vc=%d",
430 __entry->cookie,
431 __entry->volume, __entry->v_ref, __entry->v_n_cookies)
432 );
433
434TRACE_EVENT(fscache_relinquish,
435 TP_PROTO(struct fscache_cookie *cookie, bool retire),
436
437 TP_ARGS(cookie, retire),
438
439 TP_STRUCT__entry(
440 __field(unsigned int, cookie )
441 __field(unsigned int, volume )
442 __field(int, ref )
443 __field(int, n_active )
444 __field(u8, flags )
445 __field(bool, retire )
446 ),
447
448 TP_fast_assign(
449 __entry->cookie = cookie->debug_id;
450 __entry->volume = cookie->volume->debug_id;
451 __entry->ref = refcount_read(&cookie->ref);
452 __entry->n_active = atomic_read(&cookie->n_active);
453 __entry->flags = cookie->flags;
454 __entry->retire = retire;
455 ),
456
457 TP_printk("c=%08x V=%08x r=%d U=%d f=%02x rt=%u",
458 __entry->cookie, __entry->volume, __entry->ref,
459 __entry->n_active, __entry->flags, __entry->retire)
460 );
461
462TRACE_EVENT(fscache_invalidate,
463 TP_PROTO(struct fscache_cookie *cookie, loff_t new_size),
464
465 TP_ARGS(cookie, new_size),
466
467 TP_STRUCT__entry(
468 __field(unsigned int, cookie )
469 __field(loff_t, new_size )
470 ),
471
472 TP_fast_assign(
473 __entry->cookie = cookie->debug_id;
474 __entry->new_size = new_size;
475 ),
476
477 TP_printk("c=%08x sz=%llx",
478 __entry->cookie, __entry->new_size)
479 );
480
481TRACE_EVENT(fscache_resize,
482 TP_PROTO(struct fscache_cookie *cookie, loff_t new_size),
483
484 TP_ARGS(cookie, new_size),
485
486 TP_STRUCT__entry(
487 __field(unsigned int, cookie )
488 __field(loff_t, old_size )
489 __field(loff_t, new_size )
490 ),
491
492 TP_fast_assign(
493 __entry->cookie = cookie->debug_id;
494 __entry->old_size = cookie->object_size;
495 __entry->new_size = new_size;
496 ),
497
498 TP_printk("c=%08x os=%08llx sz=%08llx",
499 __entry->cookie,
500 __entry->old_size,
501 __entry->new_size)
502 );
503
504#endif /* _TRACE_FSCACHE_H */
505
506/* This part must be outside protection */
507#include <trace/define_trace.h>