1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/* Network filesystem support module 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 netfs
9
10#if !defined(_TRACE_NETFS_H) || defined(TRACE_HEADER_MULTI_READ)
11#define _TRACE_NETFS_H
12
13#include <linux/tracepoint.h>
14
15/*
16 * Define enums for tracing information.
17 */
18#define netfs_read_traces \
19 EM(netfs_read_trace_dio_read, "DIO-READ ") \
20 EM(netfs_read_trace_expanded, "EXPANDED ") \
21 EM(netfs_read_trace_readahead, "READAHEAD") \
22 EM(netfs_read_trace_readpage, "READPAGE ") \
23 EM(netfs_read_trace_read_gaps, "READ-GAPS") \
24 EM(netfs_read_trace_read_single, "READ-SNGL") \
25 EM(netfs_read_trace_prefetch_for_write, "PREFETCHW") \
26 E_(netfs_read_trace_write_begin, "WRITEBEGN")
27
28#define netfs_write_traces \
29 EM(netfs_write_trace_copy_to_cache, "COPY2CACH") \
30 EM(netfs_write_trace_dio_write, "DIO-WRITE") \
31 EM(netfs_write_trace_unbuffered_write, "UNB-WRITE") \
32 EM(netfs_write_trace_writeback, "WRITEBACK") \
33 EM(netfs_write_trace_writeback_single, "WB-SINGLE") \
34 E_(netfs_write_trace_writethrough, "WRITETHRU")
35
36#define netfs_rreq_origins \
37 EM(NETFS_READAHEAD, "RA") \
38 EM(NETFS_READPAGE, "RP") \
39 EM(NETFS_READ_GAPS, "RG") \
40 EM(NETFS_READ_SINGLE, "R1") \
41 EM(NETFS_READ_FOR_WRITE, "RW") \
42 EM(NETFS_UNBUFFERED_READ, "UR") \
43 EM(NETFS_DIO_READ, "DR") \
44 EM(NETFS_WRITEBACK, "WB") \
45 EM(NETFS_WRITEBACK_SINGLE, "W1") \
46 EM(NETFS_WRITETHROUGH, "WT") \
47 EM(NETFS_UNBUFFERED_WRITE, "UW") \
48 EM(NETFS_DIO_WRITE, "DW") \
49 E_(NETFS_PGPRIV2_COPY_TO_CACHE, "2C")
50
51#define netfs_rreq_traces \
52 EM(netfs_rreq_trace_assess, "ASSESS ") \
53 EM(netfs_rreq_trace_collect, "COLLECT") \
54 EM(netfs_rreq_trace_complete, "COMPLET") \
55 EM(netfs_rreq_trace_copy, "COPY ") \
56 EM(netfs_rreq_trace_dirty, "DIRTY ") \
57 EM(netfs_rreq_trace_done, "DONE ") \
58 EM(netfs_rreq_trace_end_copy_to_cache, "END-C2C") \
59 EM(netfs_rreq_trace_free, "FREE ") \
60 EM(netfs_rreq_trace_ki_complete, "KI-CMPL") \
61 EM(netfs_rreq_trace_recollect, "RECLLCT") \
62 EM(netfs_rreq_trace_redirty, "REDIRTY") \
63 EM(netfs_rreq_trace_resubmit, "RESUBMT") \
64 EM(netfs_rreq_trace_set_abandon, "S-ABNDN") \
65 EM(netfs_rreq_trace_set_pause, "PAUSE ") \
66 EM(netfs_rreq_trace_unlock, "UNLOCK ") \
67 EM(netfs_rreq_trace_unlock_pgpriv2, "UNLCK-2") \
68 EM(netfs_rreq_trace_unmark, "UNMARK ") \
69 EM(netfs_rreq_trace_unpause, "UNPAUSE") \
70 EM(netfs_rreq_trace_wait_ip, "WAIT-IP") \
71 EM(netfs_rreq_trace_wait_pause, "--PAUSED--") \
72 EM(netfs_rreq_trace_wait_quiesce, "WAIT-QUIESCE") \
73 EM(netfs_rreq_trace_waited_ip, "DONE-IP") \
74 EM(netfs_rreq_trace_waited_pause, "--UNPAUSED--") \
75 EM(netfs_rreq_trace_waited_quiesce, "DONE-QUIESCE") \
76 EM(netfs_rreq_trace_wake_ip, "WAKE-IP") \
77 EM(netfs_rreq_trace_wake_queue, "WAKE-Q ") \
78 E_(netfs_rreq_trace_write_done, "WR-DONE")
79
80#define netfs_sreq_sources \
81 EM(NETFS_SOURCE_UNKNOWN, "----") \
82 EM(NETFS_FILL_WITH_ZEROES, "ZERO") \
83 EM(NETFS_DOWNLOAD_FROM_SERVER, "DOWN") \
84 EM(NETFS_READ_FROM_CACHE, "READ") \
85 EM(NETFS_INVALID_READ, "INVL") \
86 EM(NETFS_UPLOAD_TO_SERVER, "UPLD") \
87 E_(NETFS_WRITE_TO_CACHE, "WRIT")
88
89#define netfs_sreq_traces \
90 EM(netfs_sreq_trace_abandoned, "ABNDN") \
91 EM(netfs_sreq_trace_add_donations, "+DON ") \
92 EM(netfs_sreq_trace_added, "ADD ") \
93 EM(netfs_sreq_trace_cache_nowrite, "CA-NW") \
94 EM(netfs_sreq_trace_cache_prepare, "CA-PR") \
95 EM(netfs_sreq_trace_cache_write, "CA-WR") \
96 EM(netfs_sreq_trace_cancel, "CANCL") \
97 EM(netfs_sreq_trace_clear, "CLEAR") \
98 EM(netfs_sreq_trace_consumed, "CONSM") \
99 EM(netfs_sreq_trace_discard, "DSCRD") \
100 EM(netfs_sreq_trace_donate_to_prev, "DON-P") \
101 EM(netfs_sreq_trace_donate_to_next, "DON-N") \
102 EM(netfs_sreq_trace_download_instead, "RDOWN") \
103 EM(netfs_sreq_trace_fail, "FAIL ") \
104 EM(netfs_sreq_trace_free, "FREE ") \
105 EM(netfs_sreq_trace_hit_eof, "EOF ") \
106 EM(netfs_sreq_trace_io_bad, "I-BAD") \
107 EM(netfs_sreq_trace_io_malformed, "I-MLF") \
108 EM(netfs_sreq_trace_io_unknown, "I-UNK") \
109 EM(netfs_sreq_trace_io_progress, "I-OK ") \
110 EM(netfs_sreq_trace_io_req_submitted, "I-RSB") \
111 EM(netfs_sreq_trace_io_retry_needed, "I-RTR") \
112 EM(netfs_sreq_trace_limited, "LIMIT") \
113 EM(netfs_sreq_trace_need_clear, "N-CLR") \
114 EM(netfs_sreq_trace_partial_read, "PARTR") \
115 EM(netfs_sreq_trace_need_retry, "ND-RT") \
116 EM(netfs_sreq_trace_prepare, "PREP ") \
117 EM(netfs_sreq_trace_prep_failed, "PRPFL") \
118 EM(netfs_sreq_trace_progress, "PRGRS") \
119 EM(netfs_sreq_trace_reprep_failed, "REPFL") \
120 EM(netfs_sreq_trace_retry, "RETRY") \
121 EM(netfs_sreq_trace_short, "SHORT") \
122 EM(netfs_sreq_trace_split, "SPLIT") \
123 EM(netfs_sreq_trace_submit, "SUBMT") \
124 EM(netfs_sreq_trace_superfluous, "SPRFL") \
125 EM(netfs_sreq_trace_terminated, "TERM ") \
126 EM(netfs_sreq_trace_wait_for, "_WAIT") \
127 EM(netfs_sreq_trace_write, "WRITE") \
128 EM(netfs_sreq_trace_write_skip, "SKIP ") \
129 E_(netfs_sreq_trace_write_term, "WTERM")
130
131#define netfs_failures \
132 EM(netfs_fail_check_write_begin, "check-write-begin") \
133 EM(netfs_fail_copy_to_cache, "copy-to-cache") \
134 EM(netfs_fail_dio_read_short, "dio-read-short") \
135 EM(netfs_fail_dio_read_zero, "dio-read-zero") \
136 EM(netfs_fail_read, "read") \
137 EM(netfs_fail_short_read, "short-read") \
138 EM(netfs_fail_prepare_write, "prep-write") \
139 E_(netfs_fail_write, "write")
140
141#define netfs_rreq_ref_traces \
142 EM(netfs_rreq_trace_get_for_outstanding,"GET OUTSTND") \
143 EM(netfs_rreq_trace_get_subreq, "GET SUBREQ ") \
144 EM(netfs_rreq_trace_put_complete, "PUT COMPLT ") \
145 EM(netfs_rreq_trace_put_discard, "PUT DISCARD") \
146 EM(netfs_rreq_trace_put_failed, "PUT FAILED ") \
147 EM(netfs_rreq_trace_put_no_submit, "PUT NO-SUBM") \
148 EM(netfs_rreq_trace_put_return, "PUT RETURN ") \
149 EM(netfs_rreq_trace_put_subreq, "PUT SUBREQ ") \
150 EM(netfs_rreq_trace_put_work_ip, "PUT WORK IP ") \
151 EM(netfs_rreq_trace_see_work, "SEE WORK ") \
152 EM(netfs_rreq_trace_see_work_complete, "SEE WORK CP") \
153 E_(netfs_rreq_trace_new, "NEW ")
154
155#define netfs_sreq_ref_traces \
156 EM(netfs_sreq_trace_get_copy_to_cache, "GET COPY2C ") \
157 EM(netfs_sreq_trace_get_resubmit, "GET RESUBMT") \
158 EM(netfs_sreq_trace_get_submit, "GET SUBMIT ") \
159 EM(netfs_sreq_trace_get_short_read, "GET SHORTRD") \
160 EM(netfs_sreq_trace_new, "NEW ") \
161 EM(netfs_sreq_trace_put_abandon, "PUT ABANDON") \
162 EM(netfs_sreq_trace_put_cancel, "PUT CANCEL ") \
163 EM(netfs_sreq_trace_put_clear, "PUT CLEAR ") \
164 EM(netfs_sreq_trace_put_consumed, "PUT CONSUME") \
165 EM(netfs_sreq_trace_put_done, "PUT DONE ") \
166 EM(netfs_sreq_trace_put_failed, "PUT FAILED ") \
167 EM(netfs_sreq_trace_put_merged, "PUT MERGED ") \
168 EM(netfs_sreq_trace_put_no_copy, "PUT NO COPY") \
169 EM(netfs_sreq_trace_put_oom, "PUT OOM ") \
170 EM(netfs_sreq_trace_put_wip, "PUT WIP ") \
171 EM(netfs_sreq_trace_put_work, "PUT WORK ") \
172 E_(netfs_sreq_trace_put_terminated, "PUT TERM ")
173
174#define netfs_folio_traces \
175 EM(netfs_folio_is_uptodate, "mod-uptodate") \
176 EM(netfs_just_prefetch, "mod-prefetch") \
177 EM(netfs_whole_folio_modify, "mod-whole-f") \
178 EM(netfs_modify_and_clear, "mod-n-clear") \
179 EM(netfs_streaming_write, "mod-streamw") \
180 EM(netfs_streaming_write_cont, "mod-streamw+") \
181 EM(netfs_flush_content, "flush") \
182 EM(netfs_streaming_filled_page, "mod-streamw-f") \
183 EM(netfs_streaming_cont_filled_page, "mod-streamw-f+") \
184 EM(netfs_folio_trace_abandon, "abandon") \
185 EM(netfs_folio_trace_alloc_buffer, "alloc-buf") \
186 EM(netfs_folio_trace_cancel_copy, "cancel-copy") \
187 EM(netfs_folio_trace_cancel_store, "cancel-store") \
188 EM(netfs_folio_trace_clear, "clear") \
189 EM(netfs_folio_trace_clear_cc, "clear-cc") \
190 EM(netfs_folio_trace_clear_g, "clear-g") \
191 EM(netfs_folio_trace_clear_s, "clear-s") \
192 EM(netfs_folio_trace_copy_to_cache, "mark-copy") \
193 EM(netfs_folio_trace_end_copy, "end-copy") \
194 EM(netfs_folio_trace_filled_gaps, "filled-gaps") \
195 EM(netfs_folio_trace_kill, "kill") \
196 EM(netfs_folio_trace_kill_cc, "kill-cc") \
197 EM(netfs_folio_trace_kill_g, "kill-g") \
198 EM(netfs_folio_trace_kill_s, "kill-s") \
199 EM(netfs_folio_trace_mkwrite, "mkwrite") \
200 EM(netfs_folio_trace_mkwrite_plus, "mkwrite+") \
201 EM(netfs_folio_trace_not_under_wback, "!wback") \
202 EM(netfs_folio_trace_not_locked, "!locked") \
203 EM(netfs_folio_trace_put, "put") \
204 EM(netfs_folio_trace_read, "read") \
205 EM(netfs_folio_trace_read_done, "read-done") \
206 EM(netfs_folio_trace_read_gaps, "read-gaps") \
207 EM(netfs_folio_trace_read_unlock, "read-unlock") \
208 EM(netfs_folio_trace_redirtied, "redirtied") \
209 EM(netfs_folio_trace_store, "store") \
210 EM(netfs_folio_trace_store_copy, "store-copy") \
211 EM(netfs_folio_trace_store_plus, "store+") \
212 EM(netfs_folio_trace_wthru, "wthru") \
213 E_(netfs_folio_trace_wthru_plus, "wthru+")
214
215#define netfs_collect_contig_traces \
216 EM(netfs_contig_trace_collect, "Collect") \
217 EM(netfs_contig_trace_jump, "-->JUMP-->") \
218 E_(netfs_contig_trace_unlock, "Unlock")
219
220#define netfs_donate_traces \
221 EM(netfs_trace_donate_tail_to_prev, "tail-to-prev") \
222 EM(netfs_trace_donate_to_prev, "to-prev") \
223 EM(netfs_trace_donate_to_next, "to-next") \
224 E_(netfs_trace_donate_to_deferred_next, "defer-next")
225
226#define netfs_folioq_traces \
227 EM(netfs_trace_folioq_alloc_buffer, "alloc-buf") \
228 EM(netfs_trace_folioq_clear, "clear") \
229 EM(netfs_trace_folioq_delete, "delete") \
230 EM(netfs_trace_folioq_make_space, "make-space") \
231 EM(netfs_trace_folioq_rollbuf_init, "roll-init") \
232 E_(netfs_trace_folioq_read_progress, "r-progress")
233
234#ifndef __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
235#define __NETFS_DECLARE_TRACE_ENUMS_ONCE_ONLY
236
237#undef EM
238#undef E_
239#define EM(a, b) a,
240#define E_(a, b) a
241
242enum netfs_read_trace { netfs_read_traces } __mode(byte);
243enum netfs_write_trace { netfs_write_traces } __mode(byte);
244enum netfs_rreq_trace { netfs_rreq_traces } __mode(byte);
245enum netfs_sreq_trace { netfs_sreq_traces } __mode(byte);
246enum netfs_failure { netfs_failures } __mode(byte);
247enum netfs_rreq_ref_trace { netfs_rreq_ref_traces } __mode(byte);
248enum netfs_sreq_ref_trace { netfs_sreq_ref_traces } __mode(byte);
249enum netfs_folio_trace { netfs_folio_traces } __mode(byte);
250enum netfs_collect_contig_trace { netfs_collect_contig_traces } __mode(byte);
251enum netfs_donate_trace { netfs_donate_traces } __mode(byte);
252enum netfs_folioq_trace { netfs_folioq_traces } __mode(byte);
253
254#endif
255
256/*
257 * Export enum symbols via userspace.
258 */
259#undef EM
260#undef E_
261#define EM(a, b) TRACE_DEFINE_ENUM(a);
262#define E_(a, b) TRACE_DEFINE_ENUM(a);
263
264netfs_read_traces;
265netfs_write_traces;
266netfs_rreq_origins;
267netfs_rreq_traces;
268netfs_sreq_sources;
269netfs_sreq_traces;
270netfs_failures;
271netfs_rreq_ref_traces;
272netfs_sreq_ref_traces;
273netfs_folio_traces;
274netfs_collect_contig_traces;
275netfs_donate_traces;
276netfs_folioq_traces;
277
278/*
279 * Now redefine the EM() and E_() macros to map the enums to the strings that
280 * will be printed in the output.
281 */
282#undef EM
283#undef E_
284#define EM(a, b) { a, b },
285#define E_(a, b) { a, b }
286
287TRACE_EVENT(netfs_read,
288 TP_PROTO(struct netfs_io_request *rreq,
289 loff_t start, size_t len,
290 enum netfs_read_trace what),
291
292 TP_ARGS(rreq, start, len, what),
293
294 TP_STRUCT__entry(
295 __field(unsigned int, rreq)
296 __field(unsigned int, cookie)
297 __field(loff_t, i_size)
298 __field(loff_t, start)
299 __field(size_t, len)
300 __field(enum netfs_read_trace, what)
301 __field(unsigned int, netfs_inode)
302 ),
303
304 TP_fast_assign(
305 __entry->rreq = rreq->debug_id;
306 __entry->cookie = rreq->cache_resources.debug_id;
307 __entry->i_size = rreq->i_size;
308 __entry->start = start;
309 __entry->len = len;
310 __entry->what = what;
311 __entry->netfs_inode = rreq->inode->i_ino;
312 ),
313
314 TP_printk("R=%08x %s c=%08x ni=%x s=%llx l=%zx sz=%llx",
315 __entry->rreq,
316 __print_symbolic(__entry->what, netfs_read_traces),
317 __entry->cookie,
318 __entry->netfs_inode,
319 __entry->start, __entry->len, __entry->i_size)
320 );
321
322TRACE_EVENT(netfs_rreq,
323 TP_PROTO(struct netfs_io_request *rreq,
324 enum netfs_rreq_trace what),
325
326 TP_ARGS(rreq, what),
327
328 TP_STRUCT__entry(
329 __field(unsigned int, rreq)
330 __field(unsigned int, flags)
331 __field(enum netfs_io_origin, origin)
332 __field(enum netfs_rreq_trace, what)
333 ),
334
335 TP_fast_assign(
336 __entry->rreq = rreq->debug_id;
337 __entry->flags = rreq->flags;
338 __entry->origin = rreq->origin;
339 __entry->what = what;
340 ),
341
342 TP_printk("R=%08x %s %s f=%02x",
343 __entry->rreq,
344 __print_symbolic(__entry->origin, netfs_rreq_origins),
345 __print_symbolic(__entry->what, netfs_rreq_traces),
346 __entry->flags)
347 );
348
349TRACE_EVENT(netfs_sreq,
350 TP_PROTO(struct netfs_io_subrequest *sreq,
351 enum netfs_sreq_trace what),
352
353 TP_ARGS(sreq, what),
354
355 TP_STRUCT__entry(
356 __field(unsigned int, rreq)
357 __field(unsigned short, index)
358 __field(short, error)
359 __field(unsigned short, flags)
360 __field(enum netfs_io_source, source)
361 __field(enum netfs_sreq_trace, what)
362 __field(u8, slot)
363 __field(size_t, len)
364 __field(size_t, transferred)
365 __field(loff_t, start)
366 ),
367
368 TP_fast_assign(
369 __entry->rreq = sreq->rreq->debug_id;
370 __entry->index = sreq->debug_index;
371 __entry->error = sreq->error;
372 __entry->flags = sreq->flags;
373 __entry->source = sreq->source;
374 __entry->what = what;
375 __entry->len = sreq->len;
376 __entry->transferred = sreq->transferred;
377 __entry->start = sreq->start;
378 __entry->slot = sreq->io_iter.folioq_slot;
379 ),
380
381 TP_printk("R=%08x[%x] %s %s f=%03x s=%llx %zx/%zx s=%u e=%d",
382 __entry->rreq, __entry->index,
383 __print_symbolic(__entry->source, netfs_sreq_sources),
384 __print_symbolic(__entry->what, netfs_sreq_traces),
385 __entry->flags,
386 __entry->start, __entry->transferred, __entry->len,
387 __entry->slot, __entry->error)
388 );
389
390TRACE_EVENT(netfs_failure,
391 TP_PROTO(struct netfs_io_request *rreq,
392 struct netfs_io_subrequest *sreq,
393 int error, enum netfs_failure what),
394
395 TP_ARGS(rreq, sreq, error, what),
396
397 TP_STRUCT__entry(
398 __field(unsigned int, rreq)
399 __field(short, index)
400 __field(short, error)
401 __field(unsigned short, flags)
402 __field(enum netfs_io_source, source)
403 __field(enum netfs_failure, what)
404 __field(size_t, len)
405 __field(size_t, transferred)
406 __field(loff_t, start)
407 ),
408
409 TP_fast_assign(
410 __entry->rreq = rreq->debug_id;
411 __entry->index = sreq ? sreq->debug_index : -1;
412 __entry->error = error;
413 __entry->flags = sreq ? sreq->flags : 0;
414 __entry->source = sreq ? sreq->source : NETFS_INVALID_READ;
415 __entry->what = what;
416 __entry->len = sreq ? sreq->len : rreq->len;
417 __entry->transferred = sreq ? sreq->transferred : 0;
418 __entry->start = sreq ? sreq->start : 0;
419 ),
420
421 TP_printk("R=%08x[%x] %s f=%02x s=%llx %zx/%zx %s e=%d",
422 __entry->rreq, __entry->index,
423 __print_symbolic(__entry->source, netfs_sreq_sources),
424 __entry->flags,
425 __entry->start, __entry->transferred, __entry->len,
426 __print_symbolic(__entry->what, netfs_failures),
427 __entry->error)
428 );
429
430TRACE_EVENT(netfs_rreq_ref,
431 TP_PROTO(unsigned int rreq_debug_id, int ref,
432 enum netfs_rreq_ref_trace what),
433
434 TP_ARGS(rreq_debug_id, ref, what),
435
436 TP_STRUCT__entry(
437 __field(unsigned int, rreq)
438 __field(int, ref)
439 __field(enum netfs_rreq_ref_trace, what)
440 ),
441
442 TP_fast_assign(
443 __entry->rreq = rreq_debug_id;
444 __entry->ref = ref;
445 __entry->what = what;
446 ),
447
448 TP_printk("R=%08x %s r=%u",
449 __entry->rreq,
450 __print_symbolic(__entry->what, netfs_rreq_ref_traces),
451 __entry->ref)
452 );
453
454TRACE_EVENT(netfs_sreq_ref,
455 TP_PROTO(unsigned int rreq_debug_id, unsigned int subreq_debug_index,
456 int ref, enum netfs_sreq_ref_trace what),
457
458 TP_ARGS(rreq_debug_id, subreq_debug_index, ref, what),
459
460 TP_STRUCT__entry(
461 __field(unsigned int, rreq)
462 __field(unsigned int, subreq)
463 __field(int, ref)
464 __field(enum netfs_sreq_ref_trace, what)
465 ),
466
467 TP_fast_assign(
468 __entry->rreq = rreq_debug_id;
469 __entry->subreq = subreq_debug_index;
470 __entry->ref = ref;
471 __entry->what = what;
472 ),
473
474 TP_printk("R=%08x[%x] %s r=%u",
475 __entry->rreq,
476 __entry->subreq,
477 __print_symbolic(__entry->what, netfs_sreq_ref_traces),
478 __entry->ref)
479 );
480
481TRACE_EVENT(netfs_folio,
482 TP_PROTO(struct folio *folio, enum netfs_folio_trace why),
483
484 TP_ARGS(folio, why),
485
486 TP_STRUCT__entry(
487 __field(ino_t, ino)
488 __field(pgoff_t, index)
489 __field(unsigned int, nr)
490 __field(enum netfs_folio_trace, why)
491 ),
492
493 TP_fast_assign(
494 struct address_space *__m = READ_ONCE(folio->mapping);
495 __entry->ino = __m ? __m->host->i_ino : 0;
496 __entry->why = why;
497 __entry->index = folio->index;
498 __entry->nr = folio_nr_pages(folio);
499 ),
500
501 TP_printk("i=%05lx ix=%05lx-%05lx %s",
502 __entry->ino, __entry->index, __entry->index + __entry->nr - 1,
503 __print_symbolic(__entry->why, netfs_folio_traces))
504 );
505
506TRACE_EVENT(netfs_write_iter,
507 TP_PROTO(const struct kiocb *iocb, const struct iov_iter *from),
508
509 TP_ARGS(iocb, from),
510
511 TP_STRUCT__entry(
512 __field(unsigned long long, start)
513 __field(size_t, len)
514 __field(unsigned int, flags)
515 __field(unsigned int, ino)
516 ),
517
518 TP_fast_assign(
519 __entry->start = iocb->ki_pos;
520 __entry->len = iov_iter_count(from);
521 __entry->ino = iocb->ki_filp->f_inode->i_ino;
522 __entry->flags = iocb->ki_flags;
523 ),
524
525 TP_printk("WRITE-ITER i=%x s=%llx l=%zx f=%x",
526 __entry->ino, __entry->start, __entry->len, __entry->flags)
527 );
528
529TRACE_EVENT(netfs_write,
530 TP_PROTO(const struct netfs_io_request *wreq,
531 enum netfs_write_trace what),
532
533 TP_ARGS(wreq, what),
534
535 TP_STRUCT__entry(
536 __field(unsigned int, wreq)
537 __field(unsigned int, cookie)
538 __field(unsigned int, ino)
539 __field(enum netfs_write_trace, what)
540 __field(unsigned long long, start)
541 __field(unsigned long long, len)
542 ),
543
544 TP_fast_assign(
545 struct netfs_inode *__ctx = netfs_inode(wreq->inode);
546 struct fscache_cookie *__cookie = netfs_i_cookie(__ctx);
547 __entry->wreq = wreq->debug_id;
548 __entry->cookie = __cookie ? __cookie->debug_id : 0;
549 __entry->ino = wreq->inode->i_ino;
550 __entry->what = what;
551 __entry->start = wreq->start;
552 __entry->len = wreq->len;
553 ),
554
555 TP_printk("R=%08x %s c=%08x i=%x by=%llx-%llx",
556 __entry->wreq,
557 __print_symbolic(__entry->what, netfs_write_traces),
558 __entry->cookie,
559 __entry->ino,
560 __entry->start, __entry->start + __entry->len - 1)
561 );
562
563TRACE_EVENT(netfs_copy2cache,
564 TP_PROTO(const struct netfs_io_request *rreq,
565 const struct netfs_io_request *creq),
566
567 TP_ARGS(rreq, creq),
568
569 TP_STRUCT__entry(
570 __field(unsigned int, rreq)
571 __field(unsigned int, creq)
572 __field(unsigned int, cookie)
573 __field(unsigned int, ino)
574 ),
575
576 TP_fast_assign(
577 struct netfs_inode *__ctx = netfs_inode(rreq->inode);
578 struct fscache_cookie *__cookie = netfs_i_cookie(__ctx);
579 __entry->rreq = rreq->debug_id;
580 __entry->creq = creq->debug_id;
581 __entry->cookie = __cookie ? __cookie->debug_id : 0;
582 __entry->ino = rreq->inode->i_ino;
583 ),
584
585 TP_printk("R=%08x CR=%08x c=%08x i=%x ",
586 __entry->rreq,
587 __entry->creq,
588 __entry->cookie,
589 __entry->ino)
590 );
591
592TRACE_EVENT(netfs_collect,
593 TP_PROTO(const struct netfs_io_request *wreq),
594
595 TP_ARGS(wreq),
596
597 TP_STRUCT__entry(
598 __field(unsigned int, wreq)
599 __field(unsigned int, len)
600 __field(unsigned long long, transferred)
601 __field(unsigned long long, start)
602 ),
603
604 TP_fast_assign(
605 __entry->wreq = wreq->debug_id;
606 __entry->start = wreq->start;
607 __entry->len = wreq->len;
608 __entry->transferred = wreq->transferred;
609 ),
610
611 TP_printk("R=%08x s=%llx-%llx",
612 __entry->wreq,
613 __entry->start + __entry->transferred,
614 __entry->start + __entry->len)
615 );
616
617TRACE_EVENT(netfs_collect_sreq,
618 TP_PROTO(const struct netfs_io_request *wreq,
619 const struct netfs_io_subrequest *subreq),
620
621 TP_ARGS(wreq, subreq),
622
623 TP_STRUCT__entry(
624 __field(unsigned int, wreq)
625 __field(unsigned int, subreq)
626 __field(unsigned int, stream)
627 __field(unsigned int, len)
628 __field(unsigned int, transferred)
629 __field(unsigned long long, start)
630 ),
631
632 TP_fast_assign(
633 __entry->wreq = wreq->debug_id;
634 __entry->subreq = subreq->debug_index;
635 __entry->stream = subreq->stream_nr;
636 __entry->start = subreq->start;
637 __entry->len = subreq->len;
638 __entry->transferred = subreq->transferred;
639 ),
640
641 TP_printk("R=%08x[%u:%02x] s=%llx t=%x/%x",
642 __entry->wreq, __entry->stream, __entry->subreq,
643 __entry->start, __entry->transferred, __entry->len)
644 );
645
646TRACE_EVENT(netfs_collect_folio,
647 TP_PROTO(const struct netfs_io_request *wreq,
648 const struct folio *folio,
649 unsigned long long fend,
650 unsigned long long collected_to),
651
652 TP_ARGS(wreq, folio, fend, collected_to),
653
654 TP_STRUCT__entry(
655 __field(unsigned int, wreq)
656 __field(unsigned long, index)
657 __field(unsigned long long, fend)
658 __field(unsigned long long, cleaned_to)
659 __field(unsigned long long, collected_to)
660 ),
661
662 TP_fast_assign(
663 __entry->wreq = wreq->debug_id;
664 __entry->index = folio->index;
665 __entry->fend = fend;
666 __entry->cleaned_to = wreq->cleaned_to;
667 __entry->collected_to = collected_to;
668 ),
669
670 TP_printk("R=%08x ix=%05lx r=%llx-%llx t=%llx/%llx",
671 __entry->wreq, __entry->index,
672 (unsigned long long)__entry->index * PAGE_SIZE, __entry->fend,
673 __entry->cleaned_to, __entry->collected_to)
674 );
675
676TRACE_EVENT(netfs_collect_state,
677 TP_PROTO(const struct netfs_io_request *wreq,
678 unsigned long long collected_to,
679 unsigned int notes),
680
681 TP_ARGS(wreq, collected_to, notes),
682
683 TP_STRUCT__entry(
684 __field(unsigned int, wreq)
685 __field(unsigned int, notes)
686 __field(unsigned long long, collected_to)
687 __field(unsigned long long, cleaned_to)
688 ),
689
690 TP_fast_assign(
691 __entry->wreq = wreq->debug_id;
692 __entry->notes = notes;
693 __entry->collected_to = collected_to;
694 __entry->cleaned_to = wreq->cleaned_to;
695 ),
696
697 TP_printk("R=%08x col=%llx cln=%llx n=%x",
698 __entry->wreq, __entry->collected_to,
699 __entry->cleaned_to,
700 __entry->notes)
701 );
702
703TRACE_EVENT(netfs_collect_gap,
704 TP_PROTO(const struct netfs_io_request *wreq,
705 const struct netfs_io_stream *stream,
706 unsigned long long jump_to, char type),
707
708 TP_ARGS(wreq, stream, jump_to, type),
709
710 TP_STRUCT__entry(
711 __field(unsigned int, wreq)
712 __field(unsigned char, stream)
713 __field(unsigned char, type)
714 __field(unsigned long long, from)
715 __field(unsigned long long, to)
716 ),
717
718 TP_fast_assign(
719 __entry->wreq = wreq->debug_id;
720 __entry->stream = stream->stream_nr;
721 __entry->from = stream->collected_to;
722 __entry->to = jump_to;
723 __entry->type = type;
724 ),
725
726 TP_printk("R=%08x[%x:] %llx->%llx %c",
727 __entry->wreq, __entry->stream,
728 __entry->from, __entry->to, __entry->type)
729 );
730
731TRACE_EVENT(netfs_collect_stream,
732 TP_PROTO(const struct netfs_io_request *wreq,
733 const struct netfs_io_stream *stream),
734
735 TP_ARGS(wreq, stream),
736
737 TP_STRUCT__entry(
738 __field(unsigned int, wreq)
739 __field(unsigned char, stream)
740 __field(unsigned long long, collected_to)
741 __field(unsigned long long, front)
742 ),
743
744 TP_fast_assign(
745 __entry->wreq = wreq->debug_id;
746 __entry->stream = stream->stream_nr;
747 __entry->collected_to = stream->collected_to;
748 __entry->front = stream->front ? stream->front->start : UINT_MAX;
749 ),
750
751 TP_printk("R=%08x[%x:] cto=%llx frn=%llx",
752 __entry->wreq, __entry->stream,
753 __entry->collected_to, __entry->front)
754 );
755
756TRACE_EVENT(netfs_folioq,
757 TP_PROTO(const struct folio_queue *fq,
758 enum netfs_folioq_trace trace),
759
760 TP_ARGS(fq, trace),
761
762 TP_STRUCT__entry(
763 __field(unsigned int, rreq)
764 __field(unsigned int, id)
765 __field(enum netfs_folioq_trace, trace)
766 ),
767
768 TP_fast_assign(
769 __entry->rreq = fq ? fq->rreq_id : 0;
770 __entry->id = fq ? fq->debug_id : 0;
771 __entry->trace = trace;
772 ),
773
774 TP_printk("R=%08x fq=%x %s",
775 __entry->rreq, __entry->id,
776 __print_symbolic(__entry->trace, netfs_folioq_traces))
777 );
778
779#undef EM
780#undef E_
781#endif /* _TRACE_NETFS_H */
782
783/* This part must be outside protection */
784#include <trace/define_trace.h>
785

source code of linux/include/trace/events/netfs.h