Commit | Line | Data |
---|---|---|
ac9b9101 JA |
1 | /* |
2 | * Code related to writing an iolog of what a thread is doing, and to | |
3 | * later read that back and replay | |
4 | */ | |
5 | #include <stdio.h> | |
6 | #include <stdlib.h> | |
ac9b9101 | 7 | #include <assert.h> |
b26317c9 JA |
8 | #include <sys/types.h> |
9 | #include <sys/stat.h> | |
10 | #include <unistd.h> | |
aee2ab67 JA |
11 | #ifdef CONFIG_ZLIB |
12 | #include <zlib.h> | |
13 | #endif | |
14 | ||
ac9b9101 JA |
15 | #include "flist.h" |
16 | #include "fio.h" | |
ac9b9101 | 17 | #include "trim.h" |
243bfe19 | 18 | #include "filelock.h" |
a47591e4 | 19 | #include "smalloc.h" |
a3e59412 | 20 | #include "blktrace.h" |
ae626d4e | 21 | #include "pshared.h" |
ac9b9101 | 22 | |
2f8f4821 AK |
23 | #include <netinet/in.h> |
24 | #include <netinet/tcp.h> | |
25 | #include <arpa/inet.h> | |
26 | #include <sys/stat.h> | |
27 | #include <sys/socket.h> | |
28 | #include <sys/un.h> | |
29 | ||
7e419452 JA |
30 | static int iolog_flush(struct io_log *log); |
31 | ||
ac9b9101 JA |
32 | static const char iolog_ver2[] = "fio version 2 iolog"; |
33 | ||
34 | void queue_io_piece(struct thread_data *td, struct io_piece *ipo) | |
35 | { | |
36 | flist_add_tail(&ipo->list, &td->io_log_list); | |
37 | td->total_io_size += ipo->len; | |
38 | } | |
39 | ||
1f440ece | 40 | void log_io_u(const struct thread_data *td, const struct io_u *io_u) |
ac9b9101 | 41 | { |
ac9b9101 JA |
42 | if (!td->o.write_iolog_file) |
43 | return; | |
44 | ||
5fff9543 | 45 | fprintf(td->iolog_f, "%s %s %llu %llu\n", io_u->file->file_name, |
173375c2 JA |
46 | io_ddir_name(io_u->ddir), |
47 | io_u->offset, io_u->buflen); | |
ac9b9101 JA |
48 | } |
49 | ||
50 | void log_file(struct thread_data *td, struct fio_file *f, | |
51 | enum file_log_act what) | |
52 | { | |
53 | const char *act[] = { "add", "open", "close" }; | |
54 | ||
55 | assert(what < 3); | |
56 | ||
57 | if (!td->o.write_iolog_file) | |
58 | return; | |
59 | ||
60 | ||
61 | /* | |
62 | * this happens on the pre-open/close done before the job starts | |
63 | */ | |
64 | if (!td->iolog_f) | |
65 | return; | |
66 | ||
67 | fprintf(td->iolog_f, "%s %s\n", f->file_name, act[what]); | |
68 | } | |
69 | ||
70 | static void iolog_delay(struct thread_data *td, unsigned long delay) | |
71 | { | |
df8fb609 | 72 | uint64_t usec = utime_since_now(&td->last_issue); |
f4b49c55 | 73 | unsigned long orig_delay = delay; |
df8fb609 | 74 | uint64_t this_delay; |
8b6a404c | 75 | struct timespec ts; |
ac9b9101 | 76 | |
df8fb609 JA |
77 | if (delay < td->time_offset) { |
78 | td->time_offset = 0; | |
79 | return; | |
80 | } | |
81 | ||
82 | delay -= td->time_offset; | |
ac9b9101 JA |
83 | if (delay < usec) |
84 | return; | |
85 | ||
86 | delay -= usec; | |
87 | ||
8b6a404c | 88 | fio_gettime(&ts, NULL); |
30b18672 JA |
89 | while (delay && !td->terminate) { |
90 | this_delay = delay; | |
91 | if (this_delay > 500000) | |
92 | this_delay = 500000; | |
93 | ||
94 | usec_sleep(td, this_delay); | |
95 | delay -= this_delay; | |
96 | } | |
df8fb609 | 97 | |
8b6a404c | 98 | usec = utime_since_now(&ts); |
f4b49c55 JA |
99 | if (usec > orig_delay) |
100 | td->time_offset = usec - orig_delay; | |
df8fb609 JA |
101 | else |
102 | td->time_offset = 0; | |
ac9b9101 JA |
103 | } |
104 | ||
105 | static int ipo_special(struct thread_data *td, struct io_piece *ipo) | |
106 | { | |
107 | struct fio_file *f; | |
108 | int ret; | |
109 | ||
110 | /* | |
111 | * Not a special ipo | |
112 | */ | |
113 | if (ipo->ddir != DDIR_INVAL) | |
114 | return 0; | |
115 | ||
116 | f = td->files[ipo->fileno]; | |
117 | ||
118 | switch (ipo->file_action) { | |
119 | case FIO_LOG_OPEN_FILE: | |
96d663ad SW |
120 | if (td->o.replay_redirect && fio_file_open(f)) { |
121 | dprint(FD_FILE, "iolog: ignoring re-open of file %s\n", | |
122 | f->file_name); | |
123 | break; | |
124 | } | |
ac9b9101 JA |
125 | ret = td_io_open_file(td, f); |
126 | if (!ret) | |
127 | break; | |
128 | td_verror(td, ret, "iolog open file"); | |
129 | return -1; | |
130 | case FIO_LOG_CLOSE_FILE: | |
131 | td_io_close_file(td, f); | |
132 | break; | |
133 | case FIO_LOG_UNLINK_FILE: | |
38ef9c90 | 134 | td_io_unlink_file(td, f); |
ac9b9101 JA |
135 | break; |
136 | default: | |
137 | log_err("fio: bad file action %d\n", ipo->file_action); | |
138 | break; | |
139 | } | |
140 | ||
141 | return 1; | |
142 | } | |
143 | ||
98e7161c AK |
144 | static bool read_iolog2(struct thread_data *td); |
145 | ||
ac9b9101 JA |
146 | int read_iolog_get(struct thread_data *td, struct io_u *io_u) |
147 | { | |
148 | struct io_piece *ipo; | |
149 | unsigned long elapsed; | |
3c3ed070 | 150 | |
ac9b9101 JA |
151 | while (!flist_empty(&td->io_log_list)) { |
152 | int ret; | |
98e7161c AK |
153 | if (td->o.read_iolog_chunked) { |
154 | if (td->io_log_checkmark == td->io_log_current) { | |
155 | if (!read_iolog2(td)) | |
156 | return 1; | |
157 | } | |
158 | td->io_log_current--; | |
159 | } | |
9342d5f8 | 160 | ipo = flist_first_entry(&td->io_log_list, struct io_piece, list); |
ac9b9101 JA |
161 | flist_del(&ipo->list); |
162 | remove_trim_entry(td, ipo); | |
163 | ||
164 | ret = ipo_special(td, ipo); | |
165 | if (ret < 0) { | |
166 | free(ipo); | |
167 | break; | |
168 | } else if (ret > 0) { | |
169 | free(ipo); | |
170 | continue; | |
171 | } | |
172 | ||
173 | io_u->ddir = ipo->ddir; | |
174 | if (ipo->ddir != DDIR_WAIT) { | |
175 | io_u->offset = ipo->offset; | |
176 | io_u->buflen = ipo->len; | |
177 | io_u->file = td->files[ipo->fileno]; | |
178 | get_file(io_u->file); | |
5fff9543 | 179 | dprint(FD_IO, "iolog: get %llu/%llu/%s\n", io_u->offset, |
ac9b9101 JA |
180 | io_u->buflen, io_u->file->file_name); |
181 | if (ipo->delay) | |
182 | iolog_delay(td, ipo->delay); | |
183 | } else { | |
184 | elapsed = mtime_since_genesis(); | |
185 | if (ipo->delay > elapsed) | |
186 | usec_sleep(td, (ipo->delay - elapsed) * 1000); | |
ac9b9101 JA |
187 | } |
188 | ||
189 | free(ipo); | |
3c3ed070 | 190 | |
ac9b9101 JA |
191 | if (io_u->ddir != DDIR_WAIT) |
192 | return 0; | |
193 | } | |
194 | ||
195 | td->done = 1; | |
196 | return 1; | |
197 | } | |
198 | ||
199 | void prune_io_piece_log(struct thread_data *td) | |
200 | { | |
201 | struct io_piece *ipo; | |
e96c0125 | 202 | struct fio_rb_node *n; |
ac9b9101 JA |
203 | |
204 | while ((n = rb_first(&td->io_hist_tree)) != NULL) { | |
205 | ipo = rb_entry(n, struct io_piece, rb_node); | |
206 | rb_erase(n, &td->io_hist_tree); | |
207 | remove_trim_entry(td, ipo); | |
208 | td->io_hist_len--; | |
209 | free(ipo); | |
210 | } | |
211 | ||
212 | while (!flist_empty(&td->io_hist_list)) { | |
4e1020f8 | 213 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
ac9b9101 JA |
214 | flist_del(&ipo->list); |
215 | remove_trim_entry(td, ipo); | |
216 | td->io_hist_len--; | |
217 | free(ipo); | |
218 | } | |
219 | } | |
220 | ||
221 | /* | |
222 | * log a successful write, so we can unwind the log for verify | |
223 | */ | |
224 | void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
225 | { | |
e96c0125 | 226 | struct fio_rb_node **p, *parent; |
ac9b9101 JA |
227 | struct io_piece *ipo, *__ipo; |
228 | ||
8812d7f2 | 229 | ipo = calloc(1, sizeof(struct io_piece)); |
ac9b9101 JA |
230 | init_ipo(ipo); |
231 | ipo->file = io_u->file; | |
232 | ipo->offset = io_u->offset; | |
233 | ipo->len = io_u->buflen; | |
da0a7bd2 | 234 | ipo->numberio = io_u->numberio; |
f9401285 JA |
235 | ipo->flags = IP_F_IN_FLIGHT; |
236 | ||
237 | io_u->ipo = ipo; | |
ac9b9101 JA |
238 | |
239 | if (io_u_should_trim(td, io_u)) { | |
240 | flist_add_tail(&ipo->trim_list, &td->trim_list); | |
241 | td->trim_entries++; | |
242 | } | |
243 | ||
244 | /* | |
e43f210a | 245 | * Only sort writes if we don't have a random map in which case we need |
4a06cb41 SW |
246 | * to check for duplicate blocks and drop the old one, which we rely on |
247 | * the rb insert/lookup for handling. | |
ac9b9101 | 248 | */ |
f31feaa2 | 249 | if (file_randommap(td, ipo->file)) { |
ac9b9101 JA |
250 | INIT_FLIST_HEAD(&ipo->list); |
251 | flist_add_tail(&ipo->list, &td->io_hist_list); | |
252 | ipo->flags |= IP_F_ONLIST; | |
253 | td->io_hist_len++; | |
254 | return; | |
255 | } | |
256 | ||
257 | RB_CLEAR_NODE(&ipo->rb_node); | |
258 | ||
259 | /* | |
260 | * Sort the entry into the verification list | |
261 | */ | |
262 | restart: | |
263 | p = &td->io_hist_tree.rb_node; | |
264 | parent = NULL; | |
265 | while (*p) { | |
3b1ff869 | 266 | int overlap = 0; |
ac9b9101 JA |
267 | parent = *p; |
268 | ||
269 | __ipo = rb_entry(parent, struct io_piece, rb_node); | |
270 | if (ipo->file < __ipo->file) | |
271 | p = &(*p)->rb_left; | |
272 | else if (ipo->file > __ipo->file) | |
273 | p = &(*p)->rb_right; | |
3b1ff869 | 274 | else if (ipo->offset < __ipo->offset) { |
ac9b9101 | 275 | p = &(*p)->rb_left; |
3b1ff869 JE |
276 | overlap = ipo->offset + ipo->len > __ipo->offset; |
277 | } | |
278 | else if (ipo->offset > __ipo->offset) { | |
ac9b9101 | 279 | p = &(*p)->rb_right; |
3b1ff869 JE |
280 | overlap = __ipo->offset + __ipo->len > ipo->offset; |
281 | } | |
282 | else | |
283 | overlap = 1; | |
284 | ||
285 | if (overlap) { | |
7abe6a27 | 286 | dprint(FD_IO, "iolog: overlap %llu/%lu, %llu/%lu\n", |
885ac623 JA |
287 | __ipo->offset, __ipo->len, |
288 | ipo->offset, ipo->len); | |
ac9b9101 JA |
289 | td->io_hist_len--; |
290 | rb_erase(parent, &td->io_hist_tree); | |
291 | remove_trim_entry(td, __ipo); | |
e8b74655 SW |
292 | if (!(__ipo->flags & IP_F_IN_FLIGHT)) |
293 | free(__ipo); | |
ac9b9101 JA |
294 | goto restart; |
295 | } | |
296 | } | |
297 | ||
298 | rb_link_node(&ipo->rb_node, parent, p); | |
299 | rb_insert_color(&ipo->rb_node, &td->io_hist_tree); | |
300 | ipo->flags |= IP_F_ONRB; | |
301 | td->io_hist_len++; | |
302 | } | |
303 | ||
890b6656 JA |
304 | void unlog_io_piece(struct thread_data *td, struct io_u *io_u) |
305 | { | |
306 | struct io_piece *ipo = io_u->ipo; | |
307 | ||
66347cfa DE |
308 | if (td->ts.nr_block_infos) { |
309 | uint32_t *info = io_u_block_info(td, io_u); | |
310 | if (BLOCK_INFO_STATE(*info) < BLOCK_STATE_TRIM_FAILURE) { | |
311 | if (io_u->ddir == DDIR_TRIM) | |
312 | *info = BLOCK_INFO_SET_STATE(*info, | |
313 | BLOCK_STATE_TRIM_FAILURE); | |
314 | else if (io_u->ddir == DDIR_WRITE) | |
315 | *info = BLOCK_INFO_SET_STATE(*info, | |
316 | BLOCK_STATE_WRITE_FAILURE); | |
317 | } | |
318 | } | |
319 | ||
890b6656 JA |
320 | if (!ipo) |
321 | return; | |
322 | ||
323 | if (ipo->flags & IP_F_ONRB) | |
324 | rb_erase(&ipo->rb_node, &td->io_hist_tree); | |
325 | else if (ipo->flags & IP_F_ONLIST) | |
326 | flist_del(&ipo->list); | |
327 | ||
328 | free(ipo); | |
329 | io_u->ipo = NULL; | |
330 | td->io_hist_len--; | |
331 | } | |
332 | ||
94a78d52 | 333 | void trim_io_piece(const struct io_u *io_u) |
890b6656 JA |
334 | { |
335 | struct io_piece *ipo = io_u->ipo; | |
336 | ||
337 | if (!ipo) | |
338 | return; | |
339 | ||
340 | ipo->len = io_u->xfer_buflen - io_u->resid; | |
341 | } | |
342 | ||
ac9b9101 JA |
343 | void write_iolog_close(struct thread_data *td) |
344 | { | |
d087d28f DLM |
345 | if (!td->iolog_f) |
346 | return; | |
347 | ||
ac9b9101 JA |
348 | fflush(td->iolog_f); |
349 | fclose(td->iolog_f); | |
350 | free(td->iolog_buf); | |
351 | td->iolog_f = NULL; | |
352 | td->iolog_buf = NULL; | |
353 | } | |
354 | ||
1d73ff2a JA |
355 | static int64_t iolog_items_to_fetch(struct thread_data *td) |
356 | { | |
357 | struct timespec now; | |
358 | uint64_t elapsed; | |
359 | uint64_t for_1s; | |
360 | int64_t items_to_fetch; | |
361 | ||
362 | if (!td->io_log_highmark) | |
363 | return 10; | |
364 | ||
365 | ||
366 | fio_gettime(&now, NULL); | |
367 | elapsed = ntime_since(&td->io_log_highmark_time, &now); | |
368 | if (elapsed) { | |
369 | for_1s = (td->io_log_highmark - td->io_log_current) * 1000000000 / elapsed; | |
370 | items_to_fetch = for_1s - td->io_log_current; | |
371 | if (items_to_fetch < 0) | |
372 | items_to_fetch = 0; | |
373 | } else | |
374 | items_to_fetch = 0; | |
375 | ||
376 | td->io_log_highmark = td->io_log_current + items_to_fetch; | |
377 | td->io_log_checkmark = (td->io_log_highmark + 1) / 2; | |
378 | fio_gettime(&td->io_log_highmark_time, NULL); | |
379 | ||
380 | return items_to_fetch; | |
381 | } | |
382 | ||
ac9b9101 JA |
383 | /* |
384 | * Read version 2 iolog data. It is enhanced to include per-file logging, | |
385 | * syncs, etc. | |
386 | */ | |
98e7161c | 387 | static bool read_iolog2(struct thread_data *td) |
ac9b9101 JA |
388 | { |
389 | unsigned long long offset; | |
390 | unsigned int bytes; | |
391 | int reads, writes, waits, fileno = 0, file_action = 0; /* stupid gcc */ | |
dac34079 | 392 | char *rfname, *fname, *act; |
ac9b9101 JA |
393 | char *str, *p; |
394 | enum fio_ddir rw; | |
71e6e5a2 | 395 | bool realloc = false; |
98e7161c | 396 | int64_t items_to_fetch = 0; |
ac9b9101 | 397 | |
98e7161c | 398 | if (td->o.read_iolog_chunked) { |
1d73ff2a JA |
399 | items_to_fetch = iolog_items_to_fetch(td); |
400 | if (!items_to_fetch) | |
401 | return true; | |
98e7161c | 402 | } |
1d73ff2a | 403 | |
ac9b9101 JA |
404 | /* |
405 | * Read in the read iolog and store it, reuse the infrastructure | |
406 | * for doing verifications. | |
407 | */ | |
408 | str = malloc(4096); | |
dac34079 | 409 | rfname = fname = malloc(256+16); |
ac9b9101 JA |
410 | act = malloc(256+16); |
411 | ||
412 | reads = writes = waits = 0; | |
98e7161c | 413 | while ((p = fgets(str, 4096, td->io_log_rfile)) != NULL) { |
ac9b9101 JA |
414 | struct io_piece *ipo; |
415 | int r; | |
416 | ||
dac34079 | 417 | r = sscanf(p, "%256s %256s %llu %u", rfname, act, &offset, |
ac9b9101 | 418 | &bytes); |
dac34079 JA |
419 | |
420 | if (td->o.replay_redirect) | |
421 | fname = td->o.replay_redirect; | |
422 | ||
ac9b9101 JA |
423 | if (r == 4) { |
424 | /* | |
425 | * Check action first | |
426 | */ | |
427 | if (!strcmp(act, "wait")) | |
428 | rw = DDIR_WAIT; | |
429 | else if (!strcmp(act, "read")) | |
430 | rw = DDIR_READ; | |
431 | else if (!strcmp(act, "write")) | |
432 | rw = DDIR_WRITE; | |
433 | else if (!strcmp(act, "sync")) | |
434 | rw = DDIR_SYNC; | |
435 | else if (!strcmp(act, "datasync")) | |
436 | rw = DDIR_DATASYNC; | |
437 | else if (!strcmp(act, "trim")) | |
438 | rw = DDIR_TRIM; | |
439 | else { | |
440 | log_err("fio: bad iolog file action: %s\n", | |
441 | act); | |
442 | continue; | |
443 | } | |
033ace1e | 444 | fileno = get_fileno(td, fname); |
ac9b9101 JA |
445 | } else if (r == 2) { |
446 | rw = DDIR_INVAL; | |
447 | if (!strcmp(act, "add")) { | |
96d663ad SW |
448 | if (td->o.replay_redirect && |
449 | get_fileno(td, fname) != -1) { | |
450 | dprint(FD_FILE, "iolog: ignoring" | |
451 | " re-add of file %s\n", fname); | |
452 | } else { | |
c70c7f58 | 453 | fileno = add_file(td, fname, td->subjob_number, 1); |
96d663ad SW |
454 | file_action = FIO_LOG_ADD_FILE; |
455 | } | |
ac9b9101 JA |
456 | continue; |
457 | } else if (!strcmp(act, "open")) { | |
458 | fileno = get_fileno(td, fname); | |
459 | file_action = FIO_LOG_OPEN_FILE; | |
460 | } else if (!strcmp(act, "close")) { | |
461 | fileno = get_fileno(td, fname); | |
462 | file_action = FIO_LOG_CLOSE_FILE; | |
463 | } else { | |
464 | log_err("fio: bad iolog file action: %s\n", | |
465 | act); | |
466 | continue; | |
467 | } | |
468 | } else { | |
c5839011 | 469 | log_err("bad iolog2: %s\n", p); |
ac9b9101 JA |
470 | continue; |
471 | } | |
472 | ||
473 | if (rw == DDIR_READ) | |
474 | reads++; | |
475 | else if (rw == DDIR_WRITE) { | |
476 | /* | |
477 | * Don't add a write for ro mode | |
478 | */ | |
479 | if (read_only) | |
480 | continue; | |
481 | writes++; | |
482 | } else if (rw == DDIR_WAIT) { | |
74dff443 JA |
483 | if (td->o.no_stall) |
484 | continue; | |
ac9b9101 JA |
485 | waits++; |
486 | } else if (rw == DDIR_INVAL) { | |
487 | } else if (!ddir_sync(rw)) { | |
488 | log_err("bad ddir: %d\n", rw); | |
489 | continue; | |
490 | } | |
491 | ||
492 | /* | |
493 | * Make note of file | |
494 | */ | |
8812d7f2 | 495 | ipo = calloc(1, sizeof(*ipo)); |
ac9b9101 JA |
496 | init_ipo(ipo); |
497 | ipo->ddir = rw; | |
498 | if (rw == DDIR_WAIT) { | |
499 | ipo->delay = offset; | |
500 | } else { | |
a79f17bf SW |
501 | if (td->o.replay_scale) |
502 | ipo->offset = offset / td->o.replay_scale; | |
503 | else | |
504 | ipo->offset = offset; | |
505 | ipo_bytes_align(td->o.replay_align, ipo); | |
506 | ||
ac9b9101 | 507 | ipo->len = bytes; |
71e6e5a2 AK |
508 | if (rw != DDIR_INVAL && bytes > td->o.max_bs[rw]) { |
509 | realloc = true; | |
ac9b9101 | 510 | td->o.max_bs[rw] = bytes; |
71e6e5a2 | 511 | } |
ac9b9101 JA |
512 | ipo->fileno = fileno; |
513 | ipo->file_action = file_action; | |
70afff59 | 514 | td->o.size += bytes; |
ac9b9101 | 515 | } |
3c3ed070 | 516 | |
ac9b9101 | 517 | queue_io_piece(td, ipo); |
98e7161c AK |
518 | |
519 | if (td->o.read_iolog_chunked) { | |
520 | td->io_log_current++; | |
521 | items_to_fetch--; | |
522 | if (items_to_fetch == 0) | |
523 | break; | |
524 | } | |
ac9b9101 JA |
525 | } |
526 | ||
527 | free(str); | |
528 | free(act); | |
dac34079 | 529 | free(rfname); |
ac9b9101 | 530 | |
98e7161c AK |
531 | if (td->o.read_iolog_chunked) { |
532 | td->io_log_highmark = td->io_log_current; | |
533 | td->io_log_checkmark = (td->io_log_highmark + 1) / 2; | |
534 | fio_gettime(&td->io_log_highmark_time, NULL); | |
535 | } | |
536 | ||
ac9b9101 JA |
537 | if (writes && read_only) { |
538 | log_err("fio: <%s> skips replay of %d writes due to" | |
539 | " read-only\n", td->o.name, writes); | |
540 | writes = 0; | |
541 | } | |
542 | ||
98e7161c AK |
543 | if (td->o.read_iolog_chunked) { |
544 | if (td->io_log_current == 0) { | |
545 | return false; | |
546 | } | |
547 | td->o.td_ddir = TD_DDIR_RW; | |
71e6e5a2 AK |
548 | if (realloc && td->orig_buffer) |
549 | { | |
550 | io_u_quiesce(td); | |
551 | free_io_mem(td); | |
552 | init_io_u_buffers(td); | |
553 | } | |
98e7161c AK |
554 | return true; |
555 | } | |
556 | ||
ac9b9101 | 557 | if (!reads && !writes && !waits) |
b153f94a | 558 | return false; |
ac9b9101 JA |
559 | else if (reads && !writes) |
560 | td->o.td_ddir = TD_DDIR_READ; | |
561 | else if (!reads && writes) | |
562 | td->o.td_ddir = TD_DDIR_WRITE; | |
563 | else | |
564 | td->o.td_ddir = TD_DDIR_RW; | |
565 | ||
b153f94a | 566 | return true; |
ac9b9101 JA |
567 | } |
568 | ||
2f8f4821 AK |
569 | static bool is_socket(const char *path) |
570 | { | |
571 | struct stat buf; | |
8ea203d3 JA |
572 | int r; |
573 | ||
574 | r = stat(path, &buf); | |
2f8f4821 AK |
575 | if (r == -1) |
576 | return false; | |
577 | ||
578 | return S_ISSOCK(buf.st_mode); | |
579 | } | |
580 | ||
581 | static int open_socket(const char *path) | |
582 | { | |
2f8f4821 | 583 | struct sockaddr_un addr; |
8ea203d3 JA |
584 | int ret, fd; |
585 | ||
586 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
2f8f4821 AK |
587 | if (fd < 0) |
588 | return fd; | |
8ea203d3 | 589 | |
2f8f4821 | 590 | addr.sun_family = AF_UNIX; |
c7d23f4b | 591 | if (snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path) >= |
8ea203d3 | 592 | sizeof(addr.sun_path)) { |
c7d23f4b BVA |
593 | log_err("%s: path name %s is too long for a Unix socket\n", |
594 | __func__, path); | |
8ea203d3 JA |
595 | } |
596 | ||
597 | ret = connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)); | |
598 | if (!ret) | |
2f8f4821 | 599 | return fd; |
8ea203d3 JA |
600 | |
601 | close(fd); | |
2f8f4821 AK |
602 | return -1; |
603 | } | |
604 | ||
ac9b9101 JA |
605 | /* |
606 | * open iolog, check version, and call appropriate parser | |
607 | */ | |
b153f94a | 608 | static bool init_iolog_read(struct thread_data *td) |
ac9b9101 | 609 | { |
8ea203d3 | 610 | char buffer[256], *p, *fname; |
2f8f4821 | 611 | FILE *f = NULL; |
8ea203d3 JA |
612 | |
613 | fname = get_name_by_idx(td->o.read_iolog_file, td->subjob_number); | |
c70c7f58 AK |
614 | dprint(FD_IO, "iolog: name=%s\n", fname); |
615 | ||
616 | if (is_socket(fname)) { | |
8ea203d3 JA |
617 | int fd; |
618 | ||
619 | fd = open_socket(fname); | |
620 | if (fd >= 0) | |
2f8f4821 | 621 | f = fdopen(fd, "r"); |
d19c04d1 | 622 | } else if (!strcmp(fname, "-")) { |
623 | f = stdin; | |
2f8f4821 | 624 | } else |
c70c7f58 | 625 | f = fopen(fname, "r"); |
8ea203d3 | 626 | |
c70c7f58 | 627 | free(fname); |
8ea203d3 | 628 | |
ac9b9101 JA |
629 | if (!f) { |
630 | perror("fopen read iolog"); | |
b153f94a | 631 | return false; |
ac9b9101 JA |
632 | } |
633 | ||
634 | p = fgets(buffer, sizeof(buffer), f); | |
635 | if (!p) { | |
636 | td_verror(td, errno, "iolog read"); | |
637 | log_err("fio: unable to read iolog\n"); | |
638 | fclose(f); | |
b153f94a | 639 | return false; |
ac9b9101 | 640 | } |
8ea203d3 | 641 | |
ac9b9101 JA |
642 | /* |
643 | * version 2 of the iolog stores a specific string as the | |
644 | * first line, check for that | |
645 | */ | |
98e7161c AK |
646 | if (!strncmp(iolog_ver2, buffer, strlen(iolog_ver2))) { |
647 | free_release_files(td); | |
9617ecf4 | 648 | td->io_log_rfile = f; |
8ea203d3 | 649 | return read_iolog2(td); |
ac9b9101 JA |
650 | } |
651 | ||
8ea203d3 | 652 | log_err("fio: iolog version 1 is no longer supported\n"); |
9617ecf4 | 653 | fclose(f); |
8ea203d3 | 654 | return false; |
ac9b9101 JA |
655 | } |
656 | ||
657 | /* | |
658 | * Set up a log for storing io patterns. | |
659 | */ | |
b153f94a | 660 | static bool init_iolog_write(struct thread_data *td) |
ac9b9101 JA |
661 | { |
662 | struct fio_file *ff; | |
663 | FILE *f; | |
664 | unsigned int i; | |
665 | ||
666 | f = fopen(td->o.write_iolog_file, "a"); | |
667 | if (!f) { | |
668 | perror("fopen write iolog"); | |
b153f94a | 669 | return false; |
ac9b9101 JA |
670 | } |
671 | ||
672 | /* | |
673 | * That's it for writing, setup a log buffer and we're done. | |
674 | */ | |
675 | td->iolog_f = f; | |
676 | td->iolog_buf = malloc(8192); | |
677 | setvbuf(f, td->iolog_buf, _IOFBF, 8192); | |
678 | ||
679 | /* | |
680 | * write our version line | |
681 | */ | |
682 | if (fprintf(f, "%s\n", iolog_ver2) < 0) { | |
683 | perror("iolog init\n"); | |
b153f94a | 684 | return false; |
ac9b9101 JA |
685 | } |
686 | ||
687 | /* | |
688 | * add all known files | |
689 | */ | |
690 | for_each_file(td, ff, i) | |
691 | log_file(td, ff, FIO_LOG_ADD_FILE); | |
692 | ||
b153f94a | 693 | return true; |
ac9b9101 JA |
694 | } |
695 | ||
b153f94a | 696 | bool init_iolog(struct thread_data *td) |
ac9b9101 | 697 | { |
b153f94a | 698 | bool ret; |
ac9b9101 JA |
699 | |
700 | if (td->o.read_iolog_file) { | |
d95b34a6 JA |
701 | int need_swap; |
702 | ||
ac9b9101 JA |
703 | /* |
704 | * Check if it's a blktrace file and load that if possible. | |
705 | * Otherwise assume it's a normal log file and load that. | |
706 | */ | |
d95b34a6 JA |
707 | if (is_blktrace(td->o.read_iolog_file, &need_swap)) |
708 | ret = load_blktrace(td, td->o.read_iolog_file, need_swap); | |
ac9b9101 JA |
709 | else |
710 | ret = init_iolog_read(td); | |
711 | } else if (td->o.write_iolog_file) | |
712 | ret = init_iolog_write(td); | |
b153f94a | 713 | else |
43864deb | 714 | ret = true; |
ac9b9101 | 715 | |
b153f94a | 716 | if (!ret) |
f01b34ae JA |
717 | td_verror(td, EINVAL, "failed initializing iolog"); |
718 | ||
ac9b9101 JA |
719 | return ret; |
720 | } | |
721 | ||
aee2ab67 JA |
722 | void setup_log(struct io_log **log, struct log_params *p, |
723 | const char *filename) | |
ac9b9101 | 724 | { |
e75cc8f3 | 725 | struct io_log *l; |
65a4d15c KC |
726 | int i; |
727 | struct io_u_plat_entry *entry; | |
728 | struct flist_head *list; | |
ac9b9101 | 729 | |
7e419452 JA |
730 | l = scalloc(1, sizeof(*l)); |
731 | INIT_FLIST_HEAD(&l->io_logs); | |
aee2ab67 JA |
732 | l->log_type = p->log_type; |
733 | l->log_offset = p->log_offset; | |
734 | l->log_gz = p->log_gz; | |
b26317c9 | 735 | l->log_gz_store = p->log_gz_store; |
aee2ab67 | 736 | l->avg_msec = p->avg_msec; |
1e613c9c KC |
737 | l->hist_msec = p->hist_msec; |
738 | l->hist_coarseness = p->hist_coarseness; | |
cb7e0ace | 739 | l->filename = strdup(filename); |
aee2ab67 JA |
740 | l->td = p->td; |
741 | ||
65a4d15c KC |
742 | /* Initialize histogram lists for each r/w direction, |
743 | * with initial io_u_plat of all zeros: | |
744 | */ | |
745 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
d730bc58 | 746 | list = &l->hist_window[i].list; |
65a4d15c KC |
747 | INIT_FLIST_HEAD(list); |
748 | entry = calloc(1, sizeof(struct io_u_plat_entry)); | |
749 | flist_add(&entry->list, list); | |
750 | } | |
751 | ||
1fed2080 | 752 | if (l->td && l->td->o.io_submit_mode != IO_MODE_OFFLOAD) { |
a43f4461 | 753 | struct io_logs *__p; |
1fed2080 | 754 | |
a43f4461 JA |
755 | __p = calloc(1, sizeof(*l->pending)); |
756 | __p->max_samples = DEF_LOG_ENTRIES; | |
757 | __p->log = calloc(__p->max_samples, log_entry_sz(l)); | |
758 | l->pending = __p; | |
1fed2080 JA |
759 | } |
760 | ||
b26317c9 | 761 | if (l->log_offset) |
49e98daa | 762 | l->log_ddir_mask = LOG_OFFSET_SAMPLE_BIT; |
b26317c9 | 763 | |
aee2ab67 JA |
764 | INIT_FLIST_HEAD(&l->chunk_list); |
765 | ||
766 | if (l->log_gz && !p->td) | |
767 | l->log_gz = 0; | |
19417eda | 768 | else if (l->log_gz || l->log_gz_store) { |
34febb23 | 769 | mutex_init_pshared(&l->chunk_lock); |
858bce70 | 770 | mutex_init_pshared(&l->deferred_free_lock); |
aee2ab67 JA |
771 | p->td->flags |= TD_F_COMPRESS_LOG; |
772 | } | |
773 | ||
ac9b9101 JA |
774 | *log = l; |
775 | } | |
776 | ||
2e802282 JA |
777 | #ifdef CONFIG_SETVBUF |
778 | static void *set_file_buffer(FILE *f) | |
779 | { | |
780 | size_t size = 1048576; | |
781 | void *buf; | |
782 | ||
783 | buf = malloc(size); | |
784 | setvbuf(f, buf, _IOFBF, size); | |
785 | return buf; | |
786 | } | |
787 | ||
788 | static void clear_file_buffer(void *buf) | |
789 | { | |
790 | free(buf); | |
791 | } | |
792 | #else | |
793 | static void *set_file_buffer(FILE *f) | |
794 | { | |
795 | return NULL; | |
796 | } | |
797 | ||
798 | static void clear_file_buffer(void *buf) | |
799 | { | |
800 | } | |
801 | #endif | |
802 | ||
518dac09 | 803 | void free_log(struct io_log *log) |
cb7e0ace | 804 | { |
7e419452 JA |
805 | while (!flist_empty(&log->io_logs)) { |
806 | struct io_logs *cur_log; | |
807 | ||
808 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
809 | flist_del_init(&cur_log->list); | |
810 | free(cur_log->log); | |
2b7625e2 | 811 | sfree(cur_log); |
7e419452 JA |
812 | } |
813 | ||
1fed2080 JA |
814 | if (log->pending) { |
815 | free(log->pending->log); | |
816 | free(log->pending); | |
817 | log->pending = NULL; | |
818 | } | |
819 | ||
820 | free(log->pending); | |
cb7e0ace | 821 | free(log->filename); |
a47591e4 | 822 | sfree(log); |
cb7e0ace JA |
823 | } |
824 | ||
6cc0e5aa AL |
825 | uint64_t hist_sum(int j, int stride, uint64_t *io_u_plat, |
826 | uint64_t *io_u_plat_last) | |
548df930 | 827 | { |
6cc0e5aa | 828 | uint64_t sum; |
f2c972cc | 829 | int k; |
548df930 | 830 | |
868f6f03 KC |
831 | if (io_u_plat_last) { |
832 | for (k = sum = 0; k < stride; k++) | |
833 | sum += io_u_plat[j + k] - io_u_plat_last[j + k]; | |
834 | } else { | |
835 | for (k = sum = 0; k < stride; k++) | |
836 | sum += io_u_plat[j + k]; | |
837 | } | |
548df930 | 838 | |
1e613c9c KC |
839 | return sum; |
840 | } | |
841 | ||
a89ba4b1 JA |
842 | static void flush_hist_samples(FILE *f, int hist_coarseness, void *samples, |
843 | uint64_t sample_size) | |
1e613c9c KC |
844 | { |
845 | struct io_sample *s; | |
846 | int log_offset; | |
847 | uint64_t i, j, nr_samples; | |
65a4d15c | 848 | struct io_u_plat_entry *entry, *entry_before; |
6cc0e5aa AL |
849 | uint64_t *io_u_plat; |
850 | uint64_t *io_u_plat_before; | |
1e613c9c KC |
851 | |
852 | int stride = 1 << hist_coarseness; | |
853 | ||
854 | if (!sample_size) | |
855 | return; | |
856 | ||
857 | s = __get_sample(samples, 0, 0); | |
858 | log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0; | |
859 | ||
860 | nr_samples = sample_size / __log_entry_sz(log_offset); | |
861 | ||
862 | for (i = 0; i < nr_samples; i++) { | |
863 | s = __get_sample(samples, log_offset, i); | |
d730bc58 | 864 | |
af2fde19 | 865 | entry = s->data.plat_entry; |
65a4d15c | 866 | io_u_plat = entry->io_u_plat; |
d730bc58 | 867 | |
65a4d15c KC |
868 | entry_before = flist_first_entry(&entry->list, struct io_u_plat_entry, list); |
869 | io_u_plat_before = entry_before->io_u_plat; | |
d730bc58 | 870 | |
5fff9543 JF |
871 | fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time, |
872 | io_sample_ddir(s), (unsigned long long) s->bs); | |
1e613c9c | 873 | for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) { |
6cc0e5aa AL |
874 | fprintf(f, "%llu, ", (unsigned long long) |
875 | hist_sum(j, stride, io_u_plat, io_u_plat_before)); | |
1e613c9c | 876 | } |
6cc0e5aa | 877 | fprintf(f, "%llu\n", (unsigned long long) |
65a4d15c | 878 | hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, |
d730bc58 JA |
879 | io_u_plat_before)); |
880 | ||
65a4d15c KC |
881 | flist_del(&entry_before->list); |
882 | free(entry_before); | |
1e613c9c KC |
883 | } |
884 | } | |
885 | ||
bead01d7 | 886 | void flush_samples(FILE *f, void *samples, uint64_t sample_size) |
ac9b9101 | 887 | { |
b26317c9 JA |
888 | struct io_sample *s; |
889 | int log_offset; | |
890 | uint64_t i, nr_samples; | |
891 | ||
892 | if (!sample_size) | |
893 | return; | |
894 | ||
895 | s = __get_sample(samples, 0, 0); | |
49e98daa | 896 | log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0; |
b26317c9 JA |
897 | |
898 | nr_samples = sample_size / __log_entry_sz(log_offset); | |
ac9b9101 | 899 | |
aee2ab67 | 900 | for (i = 0; i < nr_samples; i++) { |
b26317c9 | 901 | s = __get_sample(samples, log_offset, i); |
ac9b9101 | 902 | |
aee2ab67 | 903 | if (!log_offset) { |
b2a432bf | 904 | fprintf(f, "%lu, %" PRId64 ", %u, %llu, %u\n", |
ae588852 | 905 | (unsigned long) s->time, |
af2fde19 | 906 | s->data.val, |
b2a432bf | 907 | io_sample_ddir(s), (unsigned long long) s->bs, s->priority_bit); |
ae588852 JA |
908 | } else { |
909 | struct io_sample_offset *so = (void *) s; | |
910 | ||
b2a432bf | 911 | fprintf(f, "%lu, %" PRId64 ", %u, %llu, %llu, %u\n", |
ae588852 | 912 | (unsigned long) s->time, |
af2fde19 | 913 | s->data.val, |
5fff9543 | 914 | io_sample_ddir(s), (unsigned long long) s->bs, |
b2a432bf | 915 | (unsigned long long) so->offset, s->priority_bit); |
ae588852 | 916 | } |
ac9b9101 | 917 | } |
aee2ab67 JA |
918 | } |
919 | ||
920 | #ifdef CONFIG_ZLIB | |
97eabb2a JA |
921 | |
922 | struct iolog_flush_data { | |
155f2f02 | 923 | struct workqueue_work work; |
97eabb2a JA |
924 | struct io_log *log; |
925 | void *samples; | |
7e419452 JA |
926 | uint32_t nr_samples; |
927 | bool free; | |
97eabb2a JA |
928 | }; |
929 | ||
97eabb2a JA |
930 | #define GZ_CHUNK 131072 |
931 | ||
932 | static struct iolog_compress *get_new_chunk(unsigned int seq) | |
933 | { | |
934 | struct iolog_compress *c; | |
935 | ||
936 | c = malloc(sizeof(*c)); | |
937 | INIT_FLIST_HEAD(&c->list); | |
938 | c->buf = malloc(GZ_CHUNK); | |
939 | c->len = 0; | |
940 | c->seq = seq; | |
97eabb2a JA |
941 | return c; |
942 | } | |
943 | ||
944 | static void free_chunk(struct iolog_compress *ic) | |
945 | { | |
c07826cd JA |
946 | free(ic->buf); |
947 | free(ic); | |
97eabb2a JA |
948 | } |
949 | ||
b26317c9 | 950 | static int z_stream_init(z_stream *stream, int gz_hdr) |
aee2ab67 | 951 | { |
b26317c9 JA |
952 | int wbits = 15; |
953 | ||
acb2a69b | 954 | memset(stream, 0, sizeof(*stream)); |
aee2ab67 JA |
955 | stream->zalloc = Z_NULL; |
956 | stream->zfree = Z_NULL; | |
957 | stream->opaque = Z_NULL; | |
958 | stream->next_in = Z_NULL; | |
959 | ||
1a8e7458 JA |
960 | /* |
961 | * zlib magic - add 32 for auto-detection of gz header or not, | |
962 | * if we decide to store files in a gzip friendly format. | |
963 | */ | |
b26317c9 JA |
964 | if (gz_hdr) |
965 | wbits += 32; | |
966 | ||
967 | if (inflateInit2(stream, wbits) != Z_OK) | |
aee2ab67 JA |
968 | return 1; |
969 | ||
970 | return 0; | |
971 | } | |
972 | ||
1a8e7458 | 973 | struct inflate_chunk_iter { |
aee2ab67 | 974 | unsigned int seq; |
dad95da1 | 975 | int err; |
aee2ab67 JA |
976 | void *buf; |
977 | size_t buf_size; | |
978 | size_t buf_used; | |
979 | size_t chunk_sz; | |
980 | }; | |
981 | ||
b26317c9 | 982 | static void finish_chunk(z_stream *stream, FILE *f, |
1a8e7458 | 983 | struct inflate_chunk_iter *iter) |
aee2ab67 | 984 | { |
aee2ab67 JA |
985 | int ret; |
986 | ||
987 | ret = inflateEnd(stream); | |
988 | if (ret != Z_OK) | |
50f940f1 JA |
989 | log_err("fio: failed to end log inflation seq %d (%d)\n", |
990 | iter->seq, ret); | |
aee2ab67 | 991 | |
b26317c9 | 992 | flush_samples(f, iter->buf, iter->buf_used); |
aee2ab67 JA |
993 | free(iter->buf); |
994 | iter->buf = NULL; | |
995 | iter->buf_size = iter->buf_used = 0; | |
996 | } | |
997 | ||
1a8e7458 JA |
998 | /* |
999 | * Iterative chunk inflation. Handles cases where we cross into a new | |
1000 | * sequence, doing flush finish of previous chunk if needed. | |
1001 | */ | |
1002 | static size_t inflate_chunk(struct iolog_compress *ic, int gz_hdr, FILE *f, | |
1003 | z_stream *stream, struct inflate_chunk_iter *iter) | |
aee2ab67 | 1004 | { |
0c56718d JA |
1005 | size_t ret; |
1006 | ||
0f989d2e | 1007 | dprint(FD_COMPRESS, "inflate chunk size=%lu, seq=%u\n", |
0c56718d JA |
1008 | (unsigned long) ic->len, ic->seq); |
1009 | ||
aee2ab67 JA |
1010 | if (ic->seq != iter->seq) { |
1011 | if (iter->seq) | |
b26317c9 | 1012 | finish_chunk(stream, f, iter); |
aee2ab67 | 1013 | |
b26317c9 | 1014 | z_stream_init(stream, gz_hdr); |
aee2ab67 JA |
1015 | iter->seq = ic->seq; |
1016 | } | |
1017 | ||
1018 | stream->avail_in = ic->len; | |
1019 | stream->next_in = ic->buf; | |
1020 | ||
1021 | if (!iter->buf_size) { | |
1022 | iter->buf_size = iter->chunk_sz; | |
1023 | iter->buf = malloc(iter->buf_size); | |
1024 | } | |
1025 | ||
1026 | while (stream->avail_in) { | |
b26317c9 | 1027 | size_t this_out = iter->buf_size - iter->buf_used; |
aee2ab67 JA |
1028 | int err; |
1029 | ||
b26317c9 | 1030 | stream->avail_out = this_out; |
aee2ab67 JA |
1031 | stream->next_out = iter->buf + iter->buf_used; |
1032 | ||
1033 | err = inflate(stream, Z_NO_FLUSH); | |
1034 | if (err < 0) { | |
1035 | log_err("fio: failed inflating log: %d\n", err); | |
dad95da1 | 1036 | iter->err = err; |
aee2ab67 JA |
1037 | break; |
1038 | } | |
1039 | ||
b26317c9 JA |
1040 | iter->buf_used += this_out - stream->avail_out; |
1041 | ||
1042 | if (!stream->avail_out) { | |
1043 | iter->buf_size += iter->chunk_sz; | |
1044 | iter->buf = realloc(iter->buf, iter->buf_size); | |
1045 | continue; | |
1046 | } | |
1047 | ||
1048 | if (err == Z_STREAM_END) | |
1049 | break; | |
aee2ab67 JA |
1050 | } |
1051 | ||
0c56718d JA |
1052 | ret = (void *) stream->next_in - ic->buf; |
1053 | ||
d0d0cf0a | 1054 | dprint(FD_COMPRESS, "inflated to size=%lu\n", (unsigned long) iter->buf_size); |
0c56718d JA |
1055 | |
1056 | return ret; | |
aee2ab67 JA |
1057 | } |
1058 | ||
1a8e7458 JA |
1059 | /* |
1060 | * Inflate stored compressed chunks, or write them directly to the log | |
1061 | * file if so instructed. | |
1062 | */ | |
dad95da1 | 1063 | static int inflate_gz_chunks(struct io_log *log, FILE *f) |
aee2ab67 | 1064 | { |
1a8e7458 | 1065 | struct inflate_chunk_iter iter = { .chunk_sz = log->log_gz, }; |
aee2ab67 JA |
1066 | z_stream stream; |
1067 | ||
1068 | while (!flist_empty(&log->chunk_list)) { | |
1069 | struct iolog_compress *ic; | |
1070 | ||
9342d5f8 | 1071 | ic = flist_first_entry(&log->chunk_list, struct iolog_compress, list); |
aee2ab67 | 1072 | flist_del(&ic->list); |
b26317c9 | 1073 | |
1a8e7458 JA |
1074 | if (log->log_gz_store) { |
1075 | size_t ret; | |
1076 | ||
0c56718d JA |
1077 | dprint(FD_COMPRESS, "log write chunk size=%lu, " |
1078 | "seq=%u\n", (unsigned long) ic->len, ic->seq); | |
1079 | ||
1a8e7458 | 1080 | ret = fwrite(ic->buf, ic->len, 1, f); |
dad95da1 JA |
1081 | if (ret != 1 || ferror(f)) { |
1082 | iter.err = errno; | |
1a8e7458 | 1083 | log_err("fio: error writing compressed log\n"); |
dad95da1 | 1084 | } |
1a8e7458 JA |
1085 | } else |
1086 | inflate_chunk(ic, log->log_gz_store, f, &stream, &iter); | |
c07826cd JA |
1087 | |
1088 | free_chunk(ic); | |
aee2ab67 JA |
1089 | } |
1090 | ||
1091 | if (iter.seq) { | |
b26317c9 | 1092 | finish_chunk(&stream, f, &iter); |
aee2ab67 JA |
1093 | free(iter.buf); |
1094 | } | |
dad95da1 JA |
1095 | |
1096 | return iter.err; | |
aee2ab67 JA |
1097 | } |
1098 | ||
1a8e7458 JA |
1099 | /* |
1100 | * Open compressed log file and decompress the stored chunks and | |
1101 | * write them to stdout. The chunks are stored sequentially in the | |
1102 | * file, so we iterate over them and do them one-by-one. | |
1103 | */ | |
b26317c9 JA |
1104 | int iolog_file_inflate(const char *file) |
1105 | { | |
1a8e7458 | 1106 | struct inflate_chunk_iter iter = { .chunk_sz = 64 * 1024 * 1024, }; |
b26317c9 JA |
1107 | struct iolog_compress ic; |
1108 | z_stream stream; | |
1109 | struct stat sb; | |
2b8b8f0d | 1110 | size_t ret; |
f302710c JA |
1111 | size_t total; |
1112 | void *buf; | |
b26317c9 JA |
1113 | FILE *f; |
1114 | ||
b26317c9 JA |
1115 | f = fopen(file, "r"); |
1116 | if (!f) { | |
1117 | perror("fopen"); | |
1118 | return 1; | |
1119 | } | |
1120 | ||
fd771971 JA |
1121 | if (stat(file, &sb) < 0) { |
1122 | fclose(f); | |
1123 | perror("stat"); | |
1124 | return 1; | |
1125 | } | |
1126 | ||
f302710c | 1127 | ic.buf = buf = malloc(sb.st_size); |
b26317c9 | 1128 | ic.len = sb.st_size; |
b26317c9 JA |
1129 | ic.seq = 1; |
1130 | ||
1131 | ret = fread(ic.buf, ic.len, 1, f); | |
2b8b8f0d | 1132 | if (ret == 0 && ferror(f)) { |
b26317c9 JA |
1133 | perror("fread"); |
1134 | fclose(f); | |
bb1116fe | 1135 | free(buf); |
b26317c9 | 1136 | return 1; |
2b8b8f0d | 1137 | } else if (ferror(f) || (!feof(f) && ret != 1)) { |
b26317c9 JA |
1138 | log_err("fio: short read on reading log\n"); |
1139 | fclose(f); | |
bb1116fe | 1140 | free(buf); |
b26317c9 JA |
1141 | return 1; |
1142 | } | |
1143 | ||
1144 | fclose(f); | |
1145 | ||
1a8e7458 JA |
1146 | /* |
1147 | * Each chunk will return Z_STREAM_END. We don't know how many | |
1148 | * chunks are in the file, so we just keep looping and incrementing | |
1149 | * the sequence number until we have consumed the whole compressed | |
1150 | * file. | |
1151 | */ | |
f302710c JA |
1152 | total = ic.len; |
1153 | do { | |
8a1db9a1 | 1154 | size_t iret; |
f302710c | 1155 | |
8a1db9a1 JA |
1156 | iret = inflate_chunk(&ic, 1, stdout, &stream, &iter); |
1157 | total -= iret; | |
f302710c JA |
1158 | if (!total) |
1159 | break; | |
dad95da1 JA |
1160 | if (iter.err) |
1161 | break; | |
f302710c JA |
1162 | |
1163 | ic.seq++; | |
8a1db9a1 JA |
1164 | ic.len -= iret; |
1165 | ic.buf += iret; | |
f302710c | 1166 | } while (1); |
b26317c9 JA |
1167 | |
1168 | if (iter.seq) { | |
1169 | finish_chunk(&stream, stdout, &iter); | |
1170 | free(iter.buf); | |
1171 | } | |
1172 | ||
f302710c | 1173 | free(buf); |
dad95da1 | 1174 | return iter.err; |
b26317c9 JA |
1175 | } |
1176 | ||
aee2ab67 JA |
1177 | #else |
1178 | ||
dad95da1 | 1179 | static int inflate_gz_chunks(struct io_log *log, FILE *f) |
aee2ab67 | 1180 | { |
b7364e21 | 1181 | return 0; |
aee2ab67 JA |
1182 | } |
1183 | ||
a68c66b2 JA |
1184 | int iolog_file_inflate(const char *file) |
1185 | { | |
1186 | log_err("fio: log inflation not possible without zlib\n"); | |
1187 | return 1; | |
1188 | } | |
1189 | ||
aee2ab67 JA |
1190 | #endif |
1191 | ||
60a25727 | 1192 | void flush_log(struct io_log *log, bool do_append) |
aee2ab67 JA |
1193 | { |
1194 | void *buf; | |
1195 | FILE *f; | |
1196 | ||
3a5db920 JA |
1197 | if (!do_append) |
1198 | f = fopen(log->filename, "w"); | |
1199 | else | |
1200 | f = fopen(log->filename, "a"); | |
aee2ab67 JA |
1201 | if (!f) { |
1202 | perror("fopen log"); | |
1203 | return; | |
1204 | } | |
1205 | ||
1206 | buf = set_file_buffer(f); | |
1207 | ||
1a8e7458 | 1208 | inflate_gz_chunks(log, f); |
aee2ab67 | 1209 | |
7e419452 JA |
1210 | while (!flist_empty(&log->io_logs)) { |
1211 | struct io_logs *cur_log; | |
1212 | ||
1213 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1214 | flist_del_init(&cur_log->list); | |
1e613c9c | 1215 | |
a9179eeb | 1216 | if (log->td && log == log->td->clat_hist_log) |
1e613c9c | 1217 | flush_hist_samples(f, log->hist_coarseness, cur_log->log, |
868f6f03 | 1218 | log_sample_sz(log, cur_log)); |
1e613c9c | 1219 | else |
868f6f03 | 1220 | flush_samples(f, cur_log->log, log_sample_sz(log, cur_log)); |
1e613c9c | 1221 | |
90d2d53f | 1222 | sfree(cur_log); |
7e419452 | 1223 | } |
ac9b9101 JA |
1224 | |
1225 | fclose(f); | |
2e802282 | 1226 | clear_file_buffer(buf); |
ac9b9101 JA |
1227 | } |
1228 | ||
cb7e0ace | 1229 | static int finish_log(struct thread_data *td, struct io_log *log, int trylock) |
ac9b9101 | 1230 | { |
155f2f02 | 1231 | if (td->flags & TD_F_COMPRESS_LOG) |
7e419452 | 1232 | iolog_flush(log); |
aee2ab67 | 1233 | |
243bfe19 | 1234 | if (trylock) { |
cb7e0ace | 1235 | if (fio_trylock_file(log->filename)) |
243bfe19 JA |
1236 | return 1; |
1237 | } else | |
cb7e0ace | 1238 | fio_lock_file(log->filename); |
243bfe19 | 1239 | |
0cba0f91 | 1240 | if (td->client_type == FIO_CLIENT_TYPE_GUI || is_backend) |
cb7e0ace | 1241 | fio_send_iolog(td, log, log->filename); |
aee2ab67 | 1242 | else |
3a5db920 | 1243 | flush_log(log, !td->o.per_job_logs); |
243bfe19 | 1244 | |
cb7e0ace | 1245 | fio_unlock_file(log->filename); |
518dac09 | 1246 | free_log(log); |
243bfe19 | 1247 | return 0; |
ac9b9101 JA |
1248 | } |
1249 | ||
0cba0f91 JA |
1250 | size_t log_chunk_sizes(struct io_log *log) |
1251 | { | |
1252 | struct flist_head *entry; | |
1253 | size_t ret; | |
1254 | ||
1255 | if (flist_empty(&log->chunk_list)) | |
1256 | return 0; | |
1257 | ||
1258 | ret = 0; | |
1259 | pthread_mutex_lock(&log->chunk_lock); | |
1260 | flist_for_each(entry, &log->chunk_list) { | |
1261 | struct iolog_compress *c; | |
1262 | ||
1263 | c = flist_entry(entry, struct iolog_compress, list); | |
1264 | ret += c->len; | |
1265 | } | |
1266 | pthread_mutex_unlock(&log->chunk_lock); | |
1267 | return ret; | |
1268 | } | |
1269 | ||
aee2ab67 JA |
1270 | #ifdef CONFIG_ZLIB |
1271 | ||
858bce70 JA |
1272 | static void iolog_put_deferred(struct io_log *log, void *ptr) |
1273 | { | |
1274 | if (!ptr) | |
1275 | return; | |
1276 | ||
1277 | pthread_mutex_lock(&log->deferred_free_lock); | |
1278 | if (log->deferred < IOLOG_MAX_DEFER) { | |
1279 | log->deferred_items[log->deferred] = ptr; | |
1280 | log->deferred++; | |
e2446166 | 1281 | } else if (!fio_did_warn(FIO_WARN_IOLOG_DROP)) |
858bce70 | 1282 | log_err("fio: had to drop log entry free\n"); |
858bce70 JA |
1283 | pthread_mutex_unlock(&log->deferred_free_lock); |
1284 | } | |
1285 | ||
1286 | static void iolog_free_deferred(struct io_log *log) | |
1287 | { | |
1288 | int i; | |
1289 | ||
1290 | if (!log->deferred) | |
1291 | return; | |
1292 | ||
1293 | pthread_mutex_lock(&log->deferred_free_lock); | |
1294 | ||
1295 | for (i = 0; i < log->deferred; i++) { | |
1296 | free(log->deferred_items[i]); | |
1297 | log->deferred_items[i] = NULL; | |
1298 | } | |
1299 | ||
1300 | log->deferred = 0; | |
1301 | pthread_mutex_unlock(&log->deferred_free_lock); | |
1302 | } | |
1303 | ||
78e93aa6 | 1304 | static int gz_work(struct iolog_flush_data *data) |
c143980a | 1305 | { |
040238ec | 1306 | struct iolog_compress *c = NULL; |
aee2ab67 JA |
1307 | struct flist_head list; |
1308 | unsigned int seq; | |
1309 | z_stream stream; | |
1310 | size_t total = 0; | |
d73ac887 | 1311 | int ret; |
aee2ab67 JA |
1312 | |
1313 | INIT_FLIST_HEAD(&list); | |
1314 | ||
7e419452 | 1315 | memset(&stream, 0, sizeof(stream)); |
aee2ab67 JA |
1316 | stream.zalloc = Z_NULL; |
1317 | stream.zfree = Z_NULL; | |
1318 | stream.opaque = Z_NULL; | |
1319 | ||
b26317c9 | 1320 | ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION); |
b26317c9 | 1321 | if (ret != Z_OK) { |
aee2ab67 | 1322 | log_err("fio: failed to init gz stream\n"); |
152ea035 | 1323 | goto err; |
aee2ab67 JA |
1324 | } |
1325 | ||
1326 | seq = ++data->log->chunk_seq; | |
b26317c9 | 1327 | |
aee2ab67 JA |
1328 | stream.next_in = (void *) data->samples; |
1329 | stream.avail_in = data->nr_samples * log_entry_sz(data->log); | |
1330 | ||
d0d0cf0a JA |
1331 | dprint(FD_COMPRESS, "deflate input size=%lu, seq=%u, log=%s\n", |
1332 | (unsigned long) stream.avail_in, seq, | |
1333 | data->log->filename); | |
aee2ab67 | 1334 | do { |
040238ec | 1335 | if (c) |
0caccfa7 JA |
1336 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, |
1337 | (unsigned long) c->len); | |
aee2ab67 JA |
1338 | c = get_new_chunk(seq); |
1339 | stream.avail_out = GZ_CHUNK; | |
1340 | stream.next_out = c->buf; | |
1341 | ret = deflate(&stream, Z_NO_FLUSH); | |
1342 | if (ret < 0) { | |
1343 | log_err("fio: deflate log (%d)\n", ret); | |
dad95da1 JA |
1344 | free_chunk(c); |
1345 | goto err; | |
aee2ab67 JA |
1346 | } |
1347 | ||
1348 | c->len = GZ_CHUNK - stream.avail_out; | |
1349 | flist_add_tail(&c->list, &list); | |
1350 | total += c->len; | |
1351 | } while (stream.avail_in); | |
1352 | ||
1353 | stream.next_out = c->buf + c->len; | |
1354 | stream.avail_out = GZ_CHUNK - c->len; | |
1355 | ||
1356 | ret = deflate(&stream, Z_FINISH); | |
6fa3ad51 JA |
1357 | if (ret < 0) { |
1358 | /* | |
1359 | * Z_BUF_ERROR is special, it just means we need more | |
1360 | * output space. We'll handle that below. Treat any other | |
1361 | * error as fatal. | |
1362 | */ | |
1363 | if (ret != Z_BUF_ERROR) { | |
1364 | log_err("fio: deflate log (%d)\n", ret); | |
1365 | flist_del(&c->list); | |
1366 | free_chunk(c); | |
1367 | goto err; | |
1368 | } | |
1369 | } | |
1370 | ||
1371 | total -= c->len; | |
1372 | c->len = GZ_CHUNK - stream.avail_out; | |
1373 | total += c->len; | |
0caccfa7 | 1374 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, (unsigned long) c->len); |
040238ec | 1375 | |
6fa3ad51 | 1376 | if (ret != Z_STREAM_END) { |
aee2ab67 JA |
1377 | do { |
1378 | c = get_new_chunk(seq); | |
1379 | stream.avail_out = GZ_CHUNK; | |
1380 | stream.next_out = c->buf; | |
1381 | ret = deflate(&stream, Z_FINISH); | |
1382 | c->len = GZ_CHUNK - stream.avail_out; | |
0c56718d | 1383 | total += c->len; |
aee2ab67 | 1384 | flist_add_tail(&c->list, &list); |
0caccfa7 JA |
1385 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, |
1386 | (unsigned long) c->len); | |
aee2ab67 JA |
1387 | } while (ret != Z_STREAM_END); |
1388 | } | |
1389 | ||
0c56718d JA |
1390 | dprint(FD_COMPRESS, "deflated to size=%lu\n", (unsigned long) total); |
1391 | ||
aee2ab67 JA |
1392 | ret = deflateEnd(&stream); |
1393 | if (ret != Z_OK) | |
1394 | log_err("fio: deflateEnd %d\n", ret); | |
1395 | ||
858bce70 | 1396 | iolog_put_deferred(data->log, data->samples); |
aee2ab67 JA |
1397 | |
1398 | if (!flist_empty(&list)) { | |
1399 | pthread_mutex_lock(&data->log->chunk_lock); | |
1400 | flist_splice_tail(&list, &data->log->chunk_list); | |
1401 | pthread_mutex_unlock(&data->log->chunk_lock); | |
1402 | } | |
1403 | ||
dad95da1 JA |
1404 | ret = 0; |
1405 | done: | |
7e419452 | 1406 | if (data->free) |
dab41b1c | 1407 | sfree(data); |
dad95da1 JA |
1408 | return ret; |
1409 | err: | |
1410 | while (!flist_empty(&list)) { | |
1411 | c = flist_first_entry(list.next, struct iolog_compress, list); | |
1412 | flist_del(&c->list); | |
1413 | free_chunk(c); | |
1414 | } | |
1415 | ret = 1; | |
1416 | goto done; | |
aee2ab67 JA |
1417 | } |
1418 | ||
78e93aa6 JA |
1419 | /* |
1420 | * Invoked from our compress helper thread, when logging would have exceeded | |
1421 | * the specified memory limitation. Compresses the previously stored | |
1422 | * entries. | |
1423 | */ | |
1424 | static int gz_work_async(struct submit_worker *sw, struct workqueue_work *work) | |
1425 | { | |
1426 | return gz_work(container_of(work, struct iolog_flush_data, work)); | |
1427 | } | |
1428 | ||
c08f9fe2 JA |
1429 | static int gz_init_worker(struct submit_worker *sw) |
1430 | { | |
1431 | struct thread_data *td = sw->wq->td; | |
1432 | ||
1433 | if (!fio_option_is_set(&td->o, log_gz_cpumask)) | |
1434 | return 0; | |
1435 | ||
1436 | if (fio_setaffinity(gettid(), td->o.log_gz_cpumask) == -1) { | |
1437 | log_err("gz: failed to set CPU affinity\n"); | |
1438 | return 1; | |
1439 | } | |
1440 | ||
1441 | return 0; | |
1442 | } | |
1443 | ||
155f2f02 | 1444 | static struct workqueue_ops log_compress_wq_ops = { |
78e93aa6 | 1445 | .fn = gz_work_async, |
c08f9fe2 | 1446 | .init_worker_fn = gz_init_worker, |
24660963 | 1447 | .nice = 1, |
155f2f02 JA |
1448 | }; |
1449 | ||
24660963 | 1450 | int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out) |
155f2f02 JA |
1451 | { |
1452 | if (!(td->flags & TD_F_COMPRESS_LOG)) | |
1453 | return 0; | |
1454 | ||
24660963 | 1455 | workqueue_init(td, &td->log_compress_wq, &log_compress_wq_ops, 1, sk_out); |
155f2f02 JA |
1456 | return 0; |
1457 | } | |
1458 | ||
1459 | void iolog_compress_exit(struct thread_data *td) | |
1460 | { | |
1461 | if (!(td->flags & TD_F_COMPRESS_LOG)) | |
1462 | return; | |
1463 | ||
1464 | workqueue_exit(&td->log_compress_wq); | |
1465 | } | |
1466 | ||
1a8e7458 | 1467 | /* |
949ae6dc JA |
1468 | * Queue work item to compress the existing log entries. We reset the |
1469 | * current log to a small size, and reference the existing log in the | |
1470 | * data that we queue for compression. Once compression has been done, | |
7e419452 JA |
1471 | * this old log is freed. If called with finish == true, will not return |
1472 | * until the log compression has completed, and will flush all previous | |
1473 | * logs too | |
1a8e7458 | 1474 | */ |
7e419452 | 1475 | static int iolog_flush(struct io_log *log) |
aee2ab67 | 1476 | { |
aee2ab67 | 1477 | struct iolog_flush_data *data; |
aee2ab67 JA |
1478 | |
1479 | data = malloc(sizeof(*data)); | |
1480 | if (!data) | |
1481 | return 1; | |
1482 | ||
1483 | data->log = log; | |
7e419452 | 1484 | data->free = false; |
aee2ab67 | 1485 | |
7e419452 JA |
1486 | while (!flist_empty(&log->io_logs)) { |
1487 | struct io_logs *cur_log; | |
949ae6dc | 1488 | |
7e419452 JA |
1489 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); |
1490 | flist_del_init(&cur_log->list); | |
1491 | ||
1492 | data->samples = cur_log->log; | |
1493 | data->nr_samples = cur_log->nr_samples; | |
1494 | ||
2b7625e2 | 1495 | sfree(cur_log); |
aee2ab67 | 1496 | |
78e93aa6 | 1497 | gz_work(data); |
7e419452 | 1498 | } |
aee2ab67 | 1499 | |
7e419452 | 1500 | free(data); |
aee2ab67 JA |
1501 | return 0; |
1502 | } | |
1503 | ||
7e419452 JA |
1504 | int iolog_cur_flush(struct io_log *log, struct io_logs *cur_log) |
1505 | { | |
1506 | struct iolog_flush_data *data; | |
1507 | ||
dab41b1c | 1508 | data = smalloc(sizeof(*data)); |
7e419452 JA |
1509 | if (!data) |
1510 | return 1; | |
1511 | ||
1512 | data->log = log; | |
1513 | ||
1514 | data->samples = cur_log->log; | |
1515 | data->nr_samples = cur_log->nr_samples; | |
1516 | data->free = true; | |
1517 | ||
1518 | cur_log->nr_samples = cur_log->max_samples = 0; | |
1519 | cur_log->log = NULL; | |
1520 | ||
1521 | workqueue_enqueue(&log->td->log_compress_wq, &data->work); | |
858bce70 JA |
1522 | |
1523 | iolog_free_deferred(log); | |
1524 | ||
7e419452 JA |
1525 | return 0; |
1526 | } | |
aee2ab67 JA |
1527 | #else |
1528 | ||
7e419452 JA |
1529 | static int iolog_flush(struct io_log *log) |
1530 | { | |
1531 | return 1; | |
1532 | } | |
1533 | ||
1534 | int iolog_cur_flush(struct io_log *log, struct io_logs *cur_log) | |
aee2ab67 JA |
1535 | { |
1536 | return 1; | |
1537 | } | |
1538 | ||
24660963 | 1539 | int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out) |
52618a2a JA |
1540 | { |
1541 | return 0; | |
1542 | } | |
1543 | ||
1544 | void iolog_compress_exit(struct thread_data *td) | |
1545 | { | |
1546 | } | |
1547 | ||
aee2ab67 JA |
1548 | #endif |
1549 | ||
7e419452 JA |
1550 | struct io_logs *iolog_cur_log(struct io_log *log) |
1551 | { | |
1552 | if (flist_empty(&log->io_logs)) | |
1553 | return NULL; | |
1554 | ||
1555 | return flist_last_entry(&log->io_logs, struct io_logs, list); | |
1556 | } | |
1557 | ||
1558 | uint64_t iolog_nr_samples(struct io_log *iolog) | |
1559 | { | |
1560 | struct flist_head *entry; | |
1561 | uint64_t ret = 0; | |
1562 | ||
1563 | flist_for_each(entry, &iolog->io_logs) { | |
1564 | struct io_logs *cur_log; | |
1565 | ||
1566 | cur_log = flist_entry(entry, struct io_logs, list); | |
1567 | ret += cur_log->nr_samples; | |
1568 | } | |
1569 | ||
1570 | return ret; | |
1571 | } | |
1572 | ||
1c725e70 | 1573 | static int __write_log(struct thread_data *td, struct io_log *log, int try) |
905e3d4f | 1574 | { |
1c725e70 JA |
1575 | if (log) |
1576 | return finish_log(td, log, try); | |
905e3d4f | 1577 | |
1c725e70 JA |
1578 | return 0; |
1579 | } | |
905e3d4f | 1580 | |
a47591e4 | 1581 | static int write_iops_log(struct thread_data *td, int try, bool unit_log) |
1c725e70 | 1582 | { |
a47591e4 JA |
1583 | int ret; |
1584 | ||
1585 | if (per_unit_log(td->iops_log) != unit_log) | |
1586 | return 0; | |
1587 | ||
1588 | ret = __write_log(td, td->iops_log, try); | |
1589 | if (!ret) | |
1590 | td->iops_log = NULL; | |
1591 | ||
1592 | return ret; | |
905e3d4f JA |
1593 | } |
1594 | ||
a47591e4 | 1595 | static int write_slat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1596 | { |
a47591e4 JA |
1597 | int ret; |
1598 | ||
1599 | if (!unit_log) | |
1600 | return 0; | |
1601 | ||
1602 | ret = __write_log(td, td->slat_log, try); | |
1603 | if (!ret) | |
1604 | td->slat_log = NULL; | |
1605 | ||
1606 | return ret; | |
905e3d4f JA |
1607 | } |
1608 | ||
a47591e4 | 1609 | static int write_clat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1610 | { |
a47591e4 JA |
1611 | int ret; |
1612 | ||
1613 | if (!unit_log) | |
1614 | return 0; | |
1615 | ||
1616 | ret = __write_log(td, td->clat_log, try); | |
1617 | if (!ret) | |
1618 | td->clat_log = NULL; | |
1619 | ||
1620 | return ret; | |
905e3d4f JA |
1621 | } |
1622 | ||
1e613c9c KC |
1623 | static int write_clat_hist_log(struct thread_data *td, int try, bool unit_log) |
1624 | { | |
1625 | int ret; | |
1626 | ||
1627 | if (!unit_log) | |
1628 | return 0; | |
1629 | ||
1630 | ret = __write_log(td, td->clat_hist_log, try); | |
1631 | if (!ret) | |
1632 | td->clat_hist_log = NULL; | |
1633 | ||
1634 | return ret; | |
1635 | } | |
1636 | ||
a47591e4 | 1637 | static int write_lat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1638 | { |
a47591e4 JA |
1639 | int ret; |
1640 | ||
1641 | if (!unit_log) | |
1642 | return 0; | |
1643 | ||
1644 | ret = __write_log(td, td->lat_log, try); | |
1645 | if (!ret) | |
1646 | td->lat_log = NULL; | |
1647 | ||
1648 | return ret; | |
905e3d4f JA |
1649 | } |
1650 | ||
a47591e4 | 1651 | static int write_bandw_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1652 | { |
a47591e4 JA |
1653 | int ret; |
1654 | ||
1655 | if (per_unit_log(td->bw_log) != unit_log) | |
1656 | return 0; | |
1657 | ||
1658 | ret = __write_log(td, td->bw_log, try); | |
1659 | if (!ret) | |
1660 | td->bw_log = NULL; | |
1661 | ||
1662 | return ret; | |
905e3d4f JA |
1663 | } |
1664 | ||
1665 | enum { | |
1666 | BW_LOG_MASK = 1, | |
1667 | LAT_LOG_MASK = 2, | |
1668 | SLAT_LOG_MASK = 4, | |
1669 | CLAT_LOG_MASK = 8, | |
1670 | IOPS_LOG_MASK = 16, | |
1e613c9c | 1671 | CLAT_HIST_LOG_MASK = 32, |
905e3d4f | 1672 | |
1e613c9c | 1673 | ALL_LOG_NR = 6, |
905e3d4f JA |
1674 | }; |
1675 | ||
1676 | struct log_type { | |
1677 | unsigned int mask; | |
a47591e4 | 1678 | int (*fn)(struct thread_data *, int, bool); |
905e3d4f JA |
1679 | }; |
1680 | ||
1681 | static struct log_type log_types[] = { | |
1682 | { | |
1683 | .mask = BW_LOG_MASK, | |
1684 | .fn = write_bandw_log, | |
1685 | }, | |
1686 | { | |
1687 | .mask = LAT_LOG_MASK, | |
1688 | .fn = write_lat_log, | |
1689 | }, | |
1690 | { | |
1691 | .mask = SLAT_LOG_MASK, | |
1692 | .fn = write_slat_log, | |
1693 | }, | |
1694 | { | |
1695 | .mask = CLAT_LOG_MASK, | |
1696 | .fn = write_clat_log, | |
1697 | }, | |
1698 | { | |
1699 | .mask = IOPS_LOG_MASK, | |
1700 | .fn = write_iops_log, | |
1701 | }, | |
1e613c9c KC |
1702 | { |
1703 | .mask = CLAT_HIST_LOG_MASK, | |
1704 | .fn = write_clat_hist_log, | |
1705 | } | |
905e3d4f JA |
1706 | }; |
1707 | ||
a47591e4 | 1708 | void td_writeout_logs(struct thread_data *td, bool unit_logs) |
905e3d4f | 1709 | { |
ea5409f9 | 1710 | unsigned int log_mask = 0; |
905e3d4f JA |
1711 | unsigned int log_left = ALL_LOG_NR; |
1712 | int old_state, i; | |
1713 | ||
1714 | old_state = td_bump_runstate(td, TD_FINISHING); | |
1715 | ||
a47591e4 | 1716 | finalize_logs(td, unit_logs); |
905e3d4f JA |
1717 | |
1718 | while (log_left) { | |
1719 | int prev_log_left = log_left; | |
1720 | ||
1721 | for (i = 0; i < ALL_LOG_NR && log_left; i++) { | |
1722 | struct log_type *lt = &log_types[i]; | |
1723 | int ret; | |
1724 | ||
ea5409f9 | 1725 | if (!(log_mask & lt->mask)) { |
a47591e4 | 1726 | ret = lt->fn(td, log_left != 1, unit_logs); |
905e3d4f JA |
1727 | if (!ret) { |
1728 | log_left--; | |
ea5409f9 | 1729 | log_mask |= lt->mask; |
905e3d4f JA |
1730 | } |
1731 | } | |
1732 | } | |
1733 | ||
1734 | if (prev_log_left == log_left) | |
1735 | usleep(5000); | |
1736 | } | |
1737 | ||
1738 | td_restore_runstate(td, old_state); | |
1739 | } | |
a47591e4 JA |
1740 | |
1741 | void fio_writeout_logs(bool unit_logs) | |
1742 | { | |
1743 | struct thread_data *td; | |
1744 | int i; | |
1745 | ||
1746 | for_each_td(td, i) | |
1747 | td_writeout_logs(td, unit_logs); | |
1748 | } |