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" |
b5aba537 | 22 | #include "lib/roundup.h" |
ac9b9101 | 23 | |
2f8f4821 AK |
24 | #include <netinet/in.h> |
25 | #include <netinet/tcp.h> | |
26 | #include <arpa/inet.h> | |
27 | #include <sys/stat.h> | |
28 | #include <sys/socket.h> | |
29 | #include <sys/un.h> | |
30 | ||
7e419452 JA |
31 | static int iolog_flush(struct io_log *log); |
32 | ||
ac9b9101 JA |
33 | static const char iolog_ver2[] = "fio version 2 iolog"; |
34 | ||
35 | void queue_io_piece(struct thread_data *td, struct io_piece *ipo) | |
36 | { | |
37 | flist_add_tail(&ipo->list, &td->io_log_list); | |
38 | td->total_io_size += ipo->len; | |
39 | } | |
40 | ||
1f440ece | 41 | void log_io_u(const struct thread_data *td, const struct io_u *io_u) |
ac9b9101 | 42 | { |
ac9b9101 JA |
43 | if (!td->o.write_iolog_file) |
44 | return; | |
45 | ||
5fff9543 | 46 | fprintf(td->iolog_f, "%s %s %llu %llu\n", io_u->file->file_name, |
173375c2 JA |
47 | io_ddir_name(io_u->ddir), |
48 | io_u->offset, io_u->buflen); | |
ac9b9101 JA |
49 | } |
50 | ||
51 | void log_file(struct thread_data *td, struct fio_file *f, | |
52 | enum file_log_act what) | |
53 | { | |
54 | const char *act[] = { "add", "open", "close" }; | |
55 | ||
56 | assert(what < 3); | |
57 | ||
58 | if (!td->o.write_iolog_file) | |
59 | return; | |
60 | ||
61 | ||
62 | /* | |
63 | * this happens on the pre-open/close done before the job starts | |
64 | */ | |
65 | if (!td->iolog_f) | |
66 | return; | |
67 | ||
68 | fprintf(td->iolog_f, "%s %s\n", f->file_name, act[what]); | |
69 | } | |
70 | ||
71 | static void iolog_delay(struct thread_data *td, unsigned long delay) | |
72 | { | |
df8fb609 | 73 | uint64_t usec = utime_since_now(&td->last_issue); |
f4b49c55 | 74 | unsigned long orig_delay = delay; |
df8fb609 | 75 | uint64_t this_delay; |
8b6a404c | 76 | struct timespec ts; |
ac9b9101 | 77 | |
df8fb609 JA |
78 | if (delay < td->time_offset) { |
79 | td->time_offset = 0; | |
80 | return; | |
81 | } | |
82 | ||
83 | delay -= td->time_offset; | |
ac9b9101 JA |
84 | if (delay < usec) |
85 | return; | |
86 | ||
87 | delay -= usec; | |
88 | ||
8b6a404c | 89 | fio_gettime(&ts, NULL); |
30b18672 JA |
90 | while (delay && !td->terminate) { |
91 | this_delay = delay; | |
92 | if (this_delay > 500000) | |
93 | this_delay = 500000; | |
94 | ||
95 | usec_sleep(td, this_delay); | |
96 | delay -= this_delay; | |
97 | } | |
df8fb609 | 98 | |
8b6a404c | 99 | usec = utime_since_now(&ts); |
f4b49c55 JA |
100 | if (usec > orig_delay) |
101 | td->time_offset = usec - orig_delay; | |
df8fb609 JA |
102 | else |
103 | td->time_offset = 0; | |
ac9b9101 JA |
104 | } |
105 | ||
106 | static int ipo_special(struct thread_data *td, struct io_piece *ipo) | |
107 | { | |
108 | struct fio_file *f; | |
109 | int ret; | |
110 | ||
111 | /* | |
112 | * Not a special ipo | |
113 | */ | |
114 | if (ipo->ddir != DDIR_INVAL) | |
115 | return 0; | |
116 | ||
117 | f = td->files[ipo->fileno]; | |
118 | ||
119 | switch (ipo->file_action) { | |
120 | case FIO_LOG_OPEN_FILE: | |
96d663ad SW |
121 | if (td->o.replay_redirect && fio_file_open(f)) { |
122 | dprint(FD_FILE, "iolog: ignoring re-open of file %s\n", | |
123 | f->file_name); | |
124 | break; | |
125 | } | |
ac9b9101 JA |
126 | ret = td_io_open_file(td, f); |
127 | if (!ret) | |
128 | break; | |
129 | td_verror(td, ret, "iolog open file"); | |
130 | return -1; | |
131 | case FIO_LOG_CLOSE_FILE: | |
132 | td_io_close_file(td, f); | |
133 | break; | |
134 | case FIO_LOG_UNLINK_FILE: | |
38ef9c90 | 135 | td_io_unlink_file(td, f); |
ac9b9101 JA |
136 | break; |
137 | default: | |
138 | log_err("fio: bad file action %d\n", ipo->file_action); | |
139 | break; | |
140 | } | |
141 | ||
142 | return 1; | |
143 | } | |
144 | ||
98e7161c AK |
145 | static bool read_iolog2(struct thread_data *td); |
146 | ||
ac9b9101 JA |
147 | int read_iolog_get(struct thread_data *td, struct io_u *io_u) |
148 | { | |
149 | struct io_piece *ipo; | |
150 | unsigned long elapsed; | |
3c3ed070 | 151 | |
ac9b9101 JA |
152 | while (!flist_empty(&td->io_log_list)) { |
153 | int ret; | |
98e7161c AK |
154 | if (td->o.read_iolog_chunked) { |
155 | if (td->io_log_checkmark == td->io_log_current) { | |
156 | if (!read_iolog2(td)) | |
157 | return 1; | |
158 | } | |
159 | td->io_log_current--; | |
160 | } | |
9342d5f8 | 161 | ipo = flist_first_entry(&td->io_log_list, struct io_piece, list); |
ac9b9101 JA |
162 | flist_del(&ipo->list); |
163 | remove_trim_entry(td, ipo); | |
164 | ||
165 | ret = ipo_special(td, ipo); | |
166 | if (ret < 0) { | |
167 | free(ipo); | |
168 | break; | |
169 | } else if (ret > 0) { | |
170 | free(ipo); | |
171 | continue; | |
172 | } | |
173 | ||
174 | io_u->ddir = ipo->ddir; | |
175 | if (ipo->ddir != DDIR_WAIT) { | |
176 | io_u->offset = ipo->offset; | |
4fff54cc | 177 | io_u->verify_offset = ipo->offset; |
ac9b9101 JA |
178 | io_u->buflen = ipo->len; |
179 | io_u->file = td->files[ipo->fileno]; | |
180 | get_file(io_u->file); | |
5fff9543 | 181 | dprint(FD_IO, "iolog: get %llu/%llu/%s\n", io_u->offset, |
ac9b9101 JA |
182 | io_u->buflen, io_u->file->file_name); |
183 | if (ipo->delay) | |
184 | iolog_delay(td, ipo->delay); | |
185 | } else { | |
186 | elapsed = mtime_since_genesis(); | |
187 | if (ipo->delay > elapsed) | |
188 | usec_sleep(td, (ipo->delay - elapsed) * 1000); | |
ac9b9101 JA |
189 | } |
190 | ||
191 | free(ipo); | |
3c3ed070 | 192 | |
ac9b9101 JA |
193 | if (io_u->ddir != DDIR_WAIT) |
194 | return 0; | |
195 | } | |
196 | ||
197 | td->done = 1; | |
198 | return 1; | |
199 | } | |
200 | ||
201 | void prune_io_piece_log(struct thread_data *td) | |
202 | { | |
203 | struct io_piece *ipo; | |
e96c0125 | 204 | struct fio_rb_node *n; |
ac9b9101 JA |
205 | |
206 | while ((n = rb_first(&td->io_hist_tree)) != NULL) { | |
207 | ipo = rb_entry(n, struct io_piece, rb_node); | |
208 | rb_erase(n, &td->io_hist_tree); | |
209 | remove_trim_entry(td, ipo); | |
210 | td->io_hist_len--; | |
211 | free(ipo); | |
212 | } | |
213 | ||
214 | while (!flist_empty(&td->io_hist_list)) { | |
4e1020f8 | 215 | ipo = flist_first_entry(&td->io_hist_list, struct io_piece, list); |
ac9b9101 JA |
216 | flist_del(&ipo->list); |
217 | remove_trim_entry(td, ipo); | |
218 | td->io_hist_len--; | |
219 | free(ipo); | |
220 | } | |
221 | } | |
222 | ||
223 | /* | |
224 | * log a successful write, so we can unwind the log for verify | |
225 | */ | |
226 | void log_io_piece(struct thread_data *td, struct io_u *io_u) | |
227 | { | |
e96c0125 | 228 | struct fio_rb_node **p, *parent; |
ac9b9101 JA |
229 | struct io_piece *ipo, *__ipo; |
230 | ||
8812d7f2 | 231 | ipo = calloc(1, sizeof(struct io_piece)); |
ac9b9101 JA |
232 | init_ipo(ipo); |
233 | ipo->file = io_u->file; | |
234 | ipo->offset = io_u->offset; | |
235 | ipo->len = io_u->buflen; | |
da0a7bd2 | 236 | ipo->numberio = io_u->numberio; |
f9401285 JA |
237 | ipo->flags = IP_F_IN_FLIGHT; |
238 | ||
239 | io_u->ipo = ipo; | |
ac9b9101 JA |
240 | |
241 | if (io_u_should_trim(td, io_u)) { | |
242 | flist_add_tail(&ipo->trim_list, &td->trim_list); | |
243 | td->trim_entries++; | |
244 | } | |
245 | ||
246 | /* | |
e43f210a | 247 | * Only sort writes if we don't have a random map in which case we need |
4a06cb41 SW |
248 | * to check for duplicate blocks and drop the old one, which we rely on |
249 | * the rb insert/lookup for handling. | |
ac9b9101 | 250 | */ |
f31feaa2 | 251 | if (file_randommap(td, ipo->file)) { |
ac9b9101 JA |
252 | INIT_FLIST_HEAD(&ipo->list); |
253 | flist_add_tail(&ipo->list, &td->io_hist_list); | |
254 | ipo->flags |= IP_F_ONLIST; | |
255 | td->io_hist_len++; | |
256 | return; | |
257 | } | |
258 | ||
259 | RB_CLEAR_NODE(&ipo->rb_node); | |
260 | ||
261 | /* | |
262 | * Sort the entry into the verification list | |
263 | */ | |
264 | restart: | |
265 | p = &td->io_hist_tree.rb_node; | |
266 | parent = NULL; | |
267 | while (*p) { | |
3b1ff869 | 268 | int overlap = 0; |
ac9b9101 JA |
269 | parent = *p; |
270 | ||
271 | __ipo = rb_entry(parent, struct io_piece, rb_node); | |
272 | if (ipo->file < __ipo->file) | |
273 | p = &(*p)->rb_left; | |
274 | else if (ipo->file > __ipo->file) | |
275 | p = &(*p)->rb_right; | |
3b1ff869 | 276 | else if (ipo->offset < __ipo->offset) { |
ac9b9101 | 277 | p = &(*p)->rb_left; |
3b1ff869 JE |
278 | overlap = ipo->offset + ipo->len > __ipo->offset; |
279 | } | |
280 | else if (ipo->offset > __ipo->offset) { | |
ac9b9101 | 281 | p = &(*p)->rb_right; |
3b1ff869 JE |
282 | overlap = __ipo->offset + __ipo->len > ipo->offset; |
283 | } | |
284 | else | |
285 | overlap = 1; | |
286 | ||
287 | if (overlap) { | |
7abe6a27 | 288 | dprint(FD_IO, "iolog: overlap %llu/%lu, %llu/%lu\n", |
885ac623 JA |
289 | __ipo->offset, __ipo->len, |
290 | ipo->offset, ipo->len); | |
ac9b9101 JA |
291 | td->io_hist_len--; |
292 | rb_erase(parent, &td->io_hist_tree); | |
293 | remove_trim_entry(td, __ipo); | |
e8b74655 SW |
294 | if (!(__ipo->flags & IP_F_IN_FLIGHT)) |
295 | free(__ipo); | |
ac9b9101 JA |
296 | goto restart; |
297 | } | |
298 | } | |
299 | ||
300 | rb_link_node(&ipo->rb_node, parent, p); | |
301 | rb_insert_color(&ipo->rb_node, &td->io_hist_tree); | |
302 | ipo->flags |= IP_F_ONRB; | |
303 | td->io_hist_len++; | |
304 | } | |
305 | ||
890b6656 JA |
306 | void unlog_io_piece(struct thread_data *td, struct io_u *io_u) |
307 | { | |
308 | struct io_piece *ipo = io_u->ipo; | |
309 | ||
66347cfa DE |
310 | if (td->ts.nr_block_infos) { |
311 | uint32_t *info = io_u_block_info(td, io_u); | |
312 | if (BLOCK_INFO_STATE(*info) < BLOCK_STATE_TRIM_FAILURE) { | |
313 | if (io_u->ddir == DDIR_TRIM) | |
314 | *info = BLOCK_INFO_SET_STATE(*info, | |
315 | BLOCK_STATE_TRIM_FAILURE); | |
316 | else if (io_u->ddir == DDIR_WRITE) | |
317 | *info = BLOCK_INFO_SET_STATE(*info, | |
318 | BLOCK_STATE_WRITE_FAILURE); | |
319 | } | |
320 | } | |
321 | ||
890b6656 JA |
322 | if (!ipo) |
323 | return; | |
324 | ||
325 | if (ipo->flags & IP_F_ONRB) | |
326 | rb_erase(&ipo->rb_node, &td->io_hist_tree); | |
327 | else if (ipo->flags & IP_F_ONLIST) | |
328 | flist_del(&ipo->list); | |
329 | ||
330 | free(ipo); | |
331 | io_u->ipo = NULL; | |
332 | td->io_hist_len--; | |
333 | } | |
334 | ||
94a78d52 | 335 | void trim_io_piece(const struct io_u *io_u) |
890b6656 JA |
336 | { |
337 | struct io_piece *ipo = io_u->ipo; | |
338 | ||
339 | if (!ipo) | |
340 | return; | |
341 | ||
342 | ipo->len = io_u->xfer_buflen - io_u->resid; | |
343 | } | |
344 | ||
ac9b9101 JA |
345 | void write_iolog_close(struct thread_data *td) |
346 | { | |
d087d28f DLM |
347 | if (!td->iolog_f) |
348 | return; | |
349 | ||
ac9b9101 JA |
350 | fflush(td->iolog_f); |
351 | fclose(td->iolog_f); | |
352 | free(td->iolog_buf); | |
353 | td->iolog_f = NULL; | |
354 | td->iolog_buf = NULL; | |
355 | } | |
356 | ||
1d73ff2a JA |
357 | static int64_t iolog_items_to_fetch(struct thread_data *td) |
358 | { | |
359 | struct timespec now; | |
360 | uint64_t elapsed; | |
361 | uint64_t for_1s; | |
362 | int64_t items_to_fetch; | |
363 | ||
364 | if (!td->io_log_highmark) | |
365 | return 10; | |
366 | ||
367 | ||
368 | fio_gettime(&now, NULL); | |
369 | elapsed = ntime_since(&td->io_log_highmark_time, &now); | |
370 | if (elapsed) { | |
371 | for_1s = (td->io_log_highmark - td->io_log_current) * 1000000000 / elapsed; | |
372 | items_to_fetch = for_1s - td->io_log_current; | |
373 | if (items_to_fetch < 0) | |
374 | items_to_fetch = 0; | |
375 | } else | |
376 | items_to_fetch = 0; | |
377 | ||
378 | td->io_log_highmark = td->io_log_current + items_to_fetch; | |
379 | td->io_log_checkmark = (td->io_log_highmark + 1) / 2; | |
380 | fio_gettime(&td->io_log_highmark_time, NULL); | |
381 | ||
382 | return items_to_fetch; | |
383 | } | |
384 | ||
ac9b9101 JA |
385 | /* |
386 | * Read version 2 iolog data. It is enhanced to include per-file logging, | |
387 | * syncs, etc. | |
388 | */ | |
98e7161c | 389 | static bool read_iolog2(struct thread_data *td) |
ac9b9101 JA |
390 | { |
391 | unsigned long long offset; | |
392 | unsigned int bytes; | |
393 | int reads, writes, waits, fileno = 0, file_action = 0; /* stupid gcc */ | |
dac34079 | 394 | char *rfname, *fname, *act; |
ac9b9101 JA |
395 | char *str, *p; |
396 | enum fio_ddir rw; | |
71e6e5a2 | 397 | bool realloc = false; |
98e7161c | 398 | int64_t items_to_fetch = 0; |
ac9b9101 | 399 | |
98e7161c | 400 | if (td->o.read_iolog_chunked) { |
1d73ff2a JA |
401 | items_to_fetch = iolog_items_to_fetch(td); |
402 | if (!items_to_fetch) | |
403 | return true; | |
98e7161c | 404 | } |
1d73ff2a | 405 | |
ac9b9101 JA |
406 | /* |
407 | * Read in the read iolog and store it, reuse the infrastructure | |
408 | * for doing verifications. | |
409 | */ | |
410 | str = malloc(4096); | |
dac34079 | 411 | rfname = fname = malloc(256+16); |
ac9b9101 JA |
412 | act = malloc(256+16); |
413 | ||
414 | reads = writes = waits = 0; | |
98e7161c | 415 | while ((p = fgets(str, 4096, td->io_log_rfile)) != NULL) { |
ac9b9101 JA |
416 | struct io_piece *ipo; |
417 | int r; | |
418 | ||
dac34079 | 419 | r = sscanf(p, "%256s %256s %llu %u", rfname, act, &offset, |
ac9b9101 | 420 | &bytes); |
dac34079 JA |
421 | |
422 | if (td->o.replay_redirect) | |
423 | fname = td->o.replay_redirect; | |
424 | ||
ac9b9101 JA |
425 | if (r == 4) { |
426 | /* | |
427 | * Check action first | |
428 | */ | |
429 | if (!strcmp(act, "wait")) | |
430 | rw = DDIR_WAIT; | |
431 | else if (!strcmp(act, "read")) | |
432 | rw = DDIR_READ; | |
433 | else if (!strcmp(act, "write")) | |
434 | rw = DDIR_WRITE; | |
435 | else if (!strcmp(act, "sync")) | |
436 | rw = DDIR_SYNC; | |
437 | else if (!strcmp(act, "datasync")) | |
438 | rw = DDIR_DATASYNC; | |
439 | else if (!strcmp(act, "trim")) | |
440 | rw = DDIR_TRIM; | |
441 | else { | |
442 | log_err("fio: bad iolog file action: %s\n", | |
443 | act); | |
444 | continue; | |
445 | } | |
033ace1e | 446 | fileno = get_fileno(td, fname); |
ac9b9101 JA |
447 | } else if (r == 2) { |
448 | rw = DDIR_INVAL; | |
449 | if (!strcmp(act, "add")) { | |
96d663ad SW |
450 | if (td->o.replay_redirect && |
451 | get_fileno(td, fname) != -1) { | |
452 | dprint(FD_FILE, "iolog: ignoring" | |
453 | " re-add of file %s\n", fname); | |
454 | } else { | |
c70c7f58 | 455 | fileno = add_file(td, fname, td->subjob_number, 1); |
96d663ad SW |
456 | file_action = FIO_LOG_ADD_FILE; |
457 | } | |
ac9b9101 JA |
458 | continue; |
459 | } else if (!strcmp(act, "open")) { | |
460 | fileno = get_fileno(td, fname); | |
461 | file_action = FIO_LOG_OPEN_FILE; | |
462 | } else if (!strcmp(act, "close")) { | |
463 | fileno = get_fileno(td, fname); | |
464 | file_action = FIO_LOG_CLOSE_FILE; | |
465 | } else { | |
466 | log_err("fio: bad iolog file action: %s\n", | |
467 | act); | |
468 | continue; | |
469 | } | |
470 | } else { | |
c5839011 | 471 | log_err("bad iolog2: %s\n", p); |
ac9b9101 JA |
472 | continue; |
473 | } | |
474 | ||
475 | if (rw == DDIR_READ) | |
476 | reads++; | |
477 | else if (rw == DDIR_WRITE) { | |
478 | /* | |
479 | * Don't add a write for ro mode | |
480 | */ | |
481 | if (read_only) | |
482 | continue; | |
483 | writes++; | |
484 | } else if (rw == DDIR_WAIT) { | |
74dff443 JA |
485 | if (td->o.no_stall) |
486 | continue; | |
ac9b9101 JA |
487 | waits++; |
488 | } else if (rw == DDIR_INVAL) { | |
489 | } else if (!ddir_sync(rw)) { | |
490 | log_err("bad ddir: %d\n", rw); | |
491 | continue; | |
492 | } | |
493 | ||
494 | /* | |
495 | * Make note of file | |
496 | */ | |
8812d7f2 | 497 | ipo = calloc(1, sizeof(*ipo)); |
ac9b9101 JA |
498 | init_ipo(ipo); |
499 | ipo->ddir = rw; | |
500 | if (rw == DDIR_WAIT) { | |
501 | ipo->delay = offset; | |
502 | } else { | |
a79f17bf SW |
503 | if (td->o.replay_scale) |
504 | ipo->offset = offset / td->o.replay_scale; | |
505 | else | |
506 | ipo->offset = offset; | |
507 | ipo_bytes_align(td->o.replay_align, ipo); | |
508 | ||
ac9b9101 | 509 | ipo->len = bytes; |
71e6e5a2 AK |
510 | if (rw != DDIR_INVAL && bytes > td->o.max_bs[rw]) { |
511 | realloc = true; | |
ac9b9101 | 512 | td->o.max_bs[rw] = bytes; |
71e6e5a2 | 513 | } |
ac9b9101 JA |
514 | ipo->fileno = fileno; |
515 | ipo->file_action = file_action; | |
70afff59 | 516 | td->o.size += bytes; |
ac9b9101 | 517 | } |
3c3ed070 | 518 | |
ac9b9101 | 519 | queue_io_piece(td, ipo); |
98e7161c AK |
520 | |
521 | if (td->o.read_iolog_chunked) { | |
522 | td->io_log_current++; | |
523 | items_to_fetch--; | |
524 | if (items_to_fetch == 0) | |
525 | break; | |
526 | } | |
ac9b9101 JA |
527 | } |
528 | ||
529 | free(str); | |
530 | free(act); | |
dac34079 | 531 | free(rfname); |
ac9b9101 | 532 | |
98e7161c AK |
533 | if (td->o.read_iolog_chunked) { |
534 | td->io_log_highmark = td->io_log_current; | |
535 | td->io_log_checkmark = (td->io_log_highmark + 1) / 2; | |
536 | fio_gettime(&td->io_log_highmark_time, NULL); | |
537 | } | |
538 | ||
ac9b9101 JA |
539 | if (writes && read_only) { |
540 | log_err("fio: <%s> skips replay of %d writes due to" | |
541 | " read-only\n", td->o.name, writes); | |
542 | writes = 0; | |
543 | } | |
544 | ||
98e7161c AK |
545 | if (td->o.read_iolog_chunked) { |
546 | if (td->io_log_current == 0) { | |
547 | return false; | |
548 | } | |
549 | td->o.td_ddir = TD_DDIR_RW; | |
71e6e5a2 AK |
550 | if (realloc && td->orig_buffer) |
551 | { | |
552 | io_u_quiesce(td); | |
553 | free_io_mem(td); | |
554 | init_io_u_buffers(td); | |
555 | } | |
98e7161c AK |
556 | return true; |
557 | } | |
558 | ||
ac9b9101 | 559 | if (!reads && !writes && !waits) |
b153f94a | 560 | return false; |
ac9b9101 JA |
561 | else if (reads && !writes) |
562 | td->o.td_ddir = TD_DDIR_READ; | |
563 | else if (!reads && writes) | |
564 | td->o.td_ddir = TD_DDIR_WRITE; | |
565 | else | |
566 | td->o.td_ddir = TD_DDIR_RW; | |
567 | ||
b153f94a | 568 | return true; |
ac9b9101 JA |
569 | } |
570 | ||
2f8f4821 AK |
571 | static bool is_socket(const char *path) |
572 | { | |
573 | struct stat buf; | |
8ea203d3 JA |
574 | int r; |
575 | ||
576 | r = stat(path, &buf); | |
2f8f4821 AK |
577 | if (r == -1) |
578 | return false; | |
579 | ||
580 | return S_ISSOCK(buf.st_mode); | |
581 | } | |
582 | ||
583 | static int open_socket(const char *path) | |
584 | { | |
2f8f4821 | 585 | struct sockaddr_un addr; |
8ea203d3 JA |
586 | int ret, fd; |
587 | ||
588 | fd = socket(AF_UNIX, SOCK_STREAM, 0); | |
2f8f4821 AK |
589 | if (fd < 0) |
590 | return fd; | |
8ea203d3 | 591 | |
2f8f4821 | 592 | addr.sun_family = AF_UNIX; |
c7d23f4b | 593 | if (snprintf(addr.sun_path, sizeof(addr.sun_path), "%s", path) >= |
8ea203d3 | 594 | sizeof(addr.sun_path)) { |
c7d23f4b BVA |
595 | log_err("%s: path name %s is too long for a Unix socket\n", |
596 | __func__, path); | |
8ea203d3 JA |
597 | } |
598 | ||
599 | ret = connect(fd, (const struct sockaddr *)&addr, strlen(path) + sizeof(addr.sun_family)); | |
600 | if (!ret) | |
2f8f4821 | 601 | return fd; |
8ea203d3 JA |
602 | |
603 | close(fd); | |
2f8f4821 AK |
604 | return -1; |
605 | } | |
606 | ||
ac9b9101 JA |
607 | /* |
608 | * open iolog, check version, and call appropriate parser | |
609 | */ | |
22d7fdf3 | 610 | static bool init_iolog_read(struct thread_data *td, char *fname) |
ac9b9101 | 611 | { |
22d7fdf3 | 612 | char buffer[256], *p; |
2f8f4821 | 613 | FILE *f = NULL; |
8ea203d3 | 614 | |
c70c7f58 AK |
615 | dprint(FD_IO, "iolog: name=%s\n", fname); |
616 | ||
617 | if (is_socket(fname)) { | |
8ea203d3 JA |
618 | int fd; |
619 | ||
620 | fd = open_socket(fname); | |
621 | if (fd >= 0) | |
2f8f4821 | 622 | f = fdopen(fd, "r"); |
d19c04d1 | 623 | } else if (!strcmp(fname, "-")) { |
624 | f = stdin; | |
2f8f4821 | 625 | } else |
c70c7f58 | 626 | f = fopen(fname, "r"); |
8ea203d3 | 627 | |
c70c7f58 | 628 | free(fname); |
8ea203d3 | 629 | |
ac9b9101 JA |
630 | if (!f) { |
631 | perror("fopen read iolog"); | |
b153f94a | 632 | return false; |
ac9b9101 JA |
633 | } |
634 | ||
635 | p = fgets(buffer, sizeof(buffer), f); | |
636 | if (!p) { | |
637 | td_verror(td, errno, "iolog read"); | |
638 | log_err("fio: unable to read iolog\n"); | |
639 | fclose(f); | |
b153f94a | 640 | return false; |
ac9b9101 | 641 | } |
8ea203d3 | 642 | |
ac9b9101 JA |
643 | /* |
644 | * version 2 of the iolog stores a specific string as the | |
645 | * first line, check for that | |
646 | */ | |
98e7161c AK |
647 | if (!strncmp(iolog_ver2, buffer, strlen(iolog_ver2))) { |
648 | free_release_files(td); | |
9617ecf4 | 649 | td->io_log_rfile = f; |
8ea203d3 | 650 | return read_iolog2(td); |
ac9b9101 JA |
651 | } |
652 | ||
8ea203d3 | 653 | log_err("fio: iolog version 1 is no longer supported\n"); |
9617ecf4 | 654 | fclose(f); |
8ea203d3 | 655 | return false; |
ac9b9101 JA |
656 | } |
657 | ||
658 | /* | |
659 | * Set up a log for storing io patterns. | |
660 | */ | |
b153f94a | 661 | static bool init_iolog_write(struct thread_data *td) |
ac9b9101 JA |
662 | { |
663 | struct fio_file *ff; | |
664 | FILE *f; | |
665 | unsigned int i; | |
666 | ||
667 | f = fopen(td->o.write_iolog_file, "a"); | |
668 | if (!f) { | |
669 | perror("fopen write iolog"); | |
b153f94a | 670 | return false; |
ac9b9101 JA |
671 | } |
672 | ||
673 | /* | |
674 | * That's it for writing, setup a log buffer and we're done. | |
675 | */ | |
676 | td->iolog_f = f; | |
677 | td->iolog_buf = malloc(8192); | |
678 | setvbuf(f, td->iolog_buf, _IOFBF, 8192); | |
679 | ||
680 | /* | |
681 | * write our version line | |
682 | */ | |
683 | if (fprintf(f, "%s\n", iolog_ver2) < 0) { | |
684 | perror("iolog init\n"); | |
b153f94a | 685 | return false; |
ac9b9101 JA |
686 | } |
687 | ||
688 | /* | |
689 | * add all known files | |
690 | */ | |
691 | for_each_file(td, ff, i) | |
692 | log_file(td, ff, FIO_LOG_ADD_FILE); | |
693 | ||
b153f94a | 694 | return true; |
ac9b9101 JA |
695 | } |
696 | ||
b153f94a | 697 | bool init_iolog(struct thread_data *td) |
ac9b9101 | 698 | { |
b153f94a | 699 | bool ret; |
ac9b9101 JA |
700 | |
701 | if (td->o.read_iolog_file) { | |
d95b34a6 | 702 | int need_swap; |
22d7fdf3 | 703 | char * fname = get_name_by_idx(td->o.read_iolog_file, td->subjob_number); |
d95b34a6 | 704 | |
ac9b9101 JA |
705 | /* |
706 | * Check if it's a blktrace file and load that if possible. | |
707 | * Otherwise assume it's a normal log file and load that. | |
708 | */ | |
22d7fdf3 | 709 | if (is_blktrace(fname, &need_swap)) |
710 | ret = load_blktrace(td, fname, need_swap); | |
ac9b9101 | 711 | else |
22d7fdf3 | 712 | ret = init_iolog_read(td, fname); |
ac9b9101 JA |
713 | } else if (td->o.write_iolog_file) |
714 | ret = init_iolog_write(td); | |
b153f94a | 715 | else |
43864deb | 716 | ret = true; |
ac9b9101 | 717 | |
b153f94a | 718 | if (!ret) |
f01b34ae JA |
719 | td_verror(td, EINVAL, "failed initializing iolog"); |
720 | ||
ac9b9101 JA |
721 | return ret; |
722 | } | |
723 | ||
aee2ab67 JA |
724 | void setup_log(struct io_log **log, struct log_params *p, |
725 | const char *filename) | |
ac9b9101 | 726 | { |
e75cc8f3 | 727 | struct io_log *l; |
65a4d15c KC |
728 | int i; |
729 | struct io_u_plat_entry *entry; | |
730 | struct flist_head *list; | |
ac9b9101 | 731 | |
7e419452 JA |
732 | l = scalloc(1, sizeof(*l)); |
733 | INIT_FLIST_HEAD(&l->io_logs); | |
aee2ab67 JA |
734 | l->log_type = p->log_type; |
735 | l->log_offset = p->log_offset; | |
736 | l->log_gz = p->log_gz; | |
b26317c9 | 737 | l->log_gz_store = p->log_gz_store; |
aee2ab67 | 738 | l->avg_msec = p->avg_msec; |
1e613c9c KC |
739 | l->hist_msec = p->hist_msec; |
740 | l->hist_coarseness = p->hist_coarseness; | |
cb7e0ace | 741 | l->filename = strdup(filename); |
aee2ab67 JA |
742 | l->td = p->td; |
743 | ||
65a4d15c KC |
744 | /* Initialize histogram lists for each r/w direction, |
745 | * with initial io_u_plat of all zeros: | |
746 | */ | |
747 | for (i = 0; i < DDIR_RWDIR_CNT; i++) { | |
d730bc58 | 748 | list = &l->hist_window[i].list; |
65a4d15c KC |
749 | INIT_FLIST_HEAD(list); |
750 | entry = calloc(1, sizeof(struct io_u_plat_entry)); | |
751 | flist_add(&entry->list, list); | |
752 | } | |
753 | ||
1fed2080 | 754 | if (l->td && l->td->o.io_submit_mode != IO_MODE_OFFLOAD) { |
b5aba537 | 755 | unsigned int def_samples = DEF_LOG_ENTRIES; |
a43f4461 | 756 | struct io_logs *__p; |
1fed2080 | 757 | |
a43f4461 | 758 | __p = calloc(1, sizeof(*l->pending)); |
b5aba537 JA |
759 | if (l->td->o.iodepth > DEF_LOG_ENTRIES) |
760 | def_samples = roundup_pow2(l->td->o.iodepth); | |
761 | __p->max_samples = def_samples; | |
a43f4461 JA |
762 | __p->log = calloc(__p->max_samples, log_entry_sz(l)); |
763 | l->pending = __p; | |
1fed2080 JA |
764 | } |
765 | ||
b26317c9 | 766 | if (l->log_offset) |
49e98daa | 767 | l->log_ddir_mask = LOG_OFFSET_SAMPLE_BIT; |
b26317c9 | 768 | |
aee2ab67 JA |
769 | INIT_FLIST_HEAD(&l->chunk_list); |
770 | ||
771 | if (l->log_gz && !p->td) | |
772 | l->log_gz = 0; | |
19417eda | 773 | else if (l->log_gz || l->log_gz_store) { |
34febb23 | 774 | mutex_init_pshared(&l->chunk_lock); |
858bce70 | 775 | mutex_init_pshared(&l->deferred_free_lock); |
aee2ab67 JA |
776 | p->td->flags |= TD_F_COMPRESS_LOG; |
777 | } | |
778 | ||
ac9b9101 JA |
779 | *log = l; |
780 | } | |
781 | ||
2e802282 JA |
782 | #ifdef CONFIG_SETVBUF |
783 | static void *set_file_buffer(FILE *f) | |
784 | { | |
785 | size_t size = 1048576; | |
786 | void *buf; | |
787 | ||
788 | buf = malloc(size); | |
789 | setvbuf(f, buf, _IOFBF, size); | |
790 | return buf; | |
791 | } | |
792 | ||
793 | static void clear_file_buffer(void *buf) | |
794 | { | |
795 | free(buf); | |
796 | } | |
797 | #else | |
798 | static void *set_file_buffer(FILE *f) | |
799 | { | |
800 | return NULL; | |
801 | } | |
802 | ||
803 | static void clear_file_buffer(void *buf) | |
804 | { | |
805 | } | |
806 | #endif | |
807 | ||
518dac09 | 808 | void free_log(struct io_log *log) |
cb7e0ace | 809 | { |
7e419452 JA |
810 | while (!flist_empty(&log->io_logs)) { |
811 | struct io_logs *cur_log; | |
812 | ||
813 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
814 | flist_del_init(&cur_log->list); | |
815 | free(cur_log->log); | |
2b7625e2 | 816 | sfree(cur_log); |
7e419452 JA |
817 | } |
818 | ||
1fed2080 JA |
819 | if (log->pending) { |
820 | free(log->pending->log); | |
821 | free(log->pending); | |
822 | log->pending = NULL; | |
823 | } | |
824 | ||
825 | free(log->pending); | |
cb7e0ace | 826 | free(log->filename); |
a47591e4 | 827 | sfree(log); |
cb7e0ace JA |
828 | } |
829 | ||
6cc0e5aa AL |
830 | uint64_t hist_sum(int j, int stride, uint64_t *io_u_plat, |
831 | uint64_t *io_u_plat_last) | |
548df930 | 832 | { |
6cc0e5aa | 833 | uint64_t sum; |
f2c972cc | 834 | int k; |
548df930 | 835 | |
868f6f03 KC |
836 | if (io_u_plat_last) { |
837 | for (k = sum = 0; k < stride; k++) | |
838 | sum += io_u_plat[j + k] - io_u_plat_last[j + k]; | |
839 | } else { | |
840 | for (k = sum = 0; k < stride; k++) | |
841 | sum += io_u_plat[j + k]; | |
842 | } | |
548df930 | 843 | |
1e613c9c KC |
844 | return sum; |
845 | } | |
846 | ||
a89ba4b1 JA |
847 | static void flush_hist_samples(FILE *f, int hist_coarseness, void *samples, |
848 | uint64_t sample_size) | |
1e613c9c KC |
849 | { |
850 | struct io_sample *s; | |
851 | int log_offset; | |
852 | uint64_t i, j, nr_samples; | |
65a4d15c | 853 | struct io_u_plat_entry *entry, *entry_before; |
6cc0e5aa AL |
854 | uint64_t *io_u_plat; |
855 | uint64_t *io_u_plat_before; | |
1e613c9c KC |
856 | |
857 | int stride = 1 << hist_coarseness; | |
858 | ||
859 | if (!sample_size) | |
860 | return; | |
861 | ||
862 | s = __get_sample(samples, 0, 0); | |
863 | log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0; | |
864 | ||
865 | nr_samples = sample_size / __log_entry_sz(log_offset); | |
866 | ||
867 | for (i = 0; i < nr_samples; i++) { | |
868 | s = __get_sample(samples, log_offset, i); | |
d730bc58 | 869 | |
af2fde19 | 870 | entry = s->data.plat_entry; |
65a4d15c | 871 | io_u_plat = entry->io_u_plat; |
d730bc58 | 872 | |
65a4d15c KC |
873 | entry_before = flist_first_entry(&entry->list, struct io_u_plat_entry, list); |
874 | io_u_plat_before = entry_before->io_u_plat; | |
d730bc58 | 875 | |
5fff9543 JF |
876 | fprintf(f, "%lu, %u, %llu, ", (unsigned long) s->time, |
877 | io_sample_ddir(s), (unsigned long long) s->bs); | |
1e613c9c | 878 | for (j = 0; j < FIO_IO_U_PLAT_NR - stride; j += stride) { |
6cc0e5aa AL |
879 | fprintf(f, "%llu, ", (unsigned long long) |
880 | hist_sum(j, stride, io_u_plat, io_u_plat_before)); | |
1e613c9c | 881 | } |
6cc0e5aa | 882 | fprintf(f, "%llu\n", (unsigned long long) |
65a4d15c | 883 | hist_sum(FIO_IO_U_PLAT_NR - stride, stride, io_u_plat, |
d730bc58 JA |
884 | io_u_plat_before)); |
885 | ||
65a4d15c KC |
886 | flist_del(&entry_before->list); |
887 | free(entry_before); | |
1e613c9c KC |
888 | } |
889 | } | |
890 | ||
bead01d7 | 891 | void flush_samples(FILE *f, void *samples, uint64_t sample_size) |
ac9b9101 | 892 | { |
b26317c9 JA |
893 | struct io_sample *s; |
894 | int log_offset; | |
895 | uint64_t i, nr_samples; | |
896 | ||
897 | if (!sample_size) | |
898 | return; | |
899 | ||
900 | s = __get_sample(samples, 0, 0); | |
49e98daa | 901 | log_offset = (s->__ddir & LOG_OFFSET_SAMPLE_BIT) != 0; |
b26317c9 JA |
902 | |
903 | nr_samples = sample_size / __log_entry_sz(log_offset); | |
ac9b9101 | 904 | |
aee2ab67 | 905 | for (i = 0; i < nr_samples; i++) { |
b26317c9 | 906 | s = __get_sample(samples, log_offset, i); |
ac9b9101 | 907 | |
aee2ab67 | 908 | if (!log_offset) { |
b2a432bf | 909 | fprintf(f, "%lu, %" PRId64 ", %u, %llu, %u\n", |
ae588852 | 910 | (unsigned long) s->time, |
af2fde19 | 911 | s->data.val, |
b2a432bf | 912 | io_sample_ddir(s), (unsigned long long) s->bs, s->priority_bit); |
ae588852 JA |
913 | } else { |
914 | struct io_sample_offset *so = (void *) s; | |
915 | ||
b2a432bf | 916 | fprintf(f, "%lu, %" PRId64 ", %u, %llu, %llu, %u\n", |
ae588852 | 917 | (unsigned long) s->time, |
af2fde19 | 918 | s->data.val, |
5fff9543 | 919 | io_sample_ddir(s), (unsigned long long) s->bs, |
b2a432bf | 920 | (unsigned long long) so->offset, s->priority_bit); |
ae588852 | 921 | } |
ac9b9101 | 922 | } |
aee2ab67 JA |
923 | } |
924 | ||
925 | #ifdef CONFIG_ZLIB | |
97eabb2a JA |
926 | |
927 | struct iolog_flush_data { | |
155f2f02 | 928 | struct workqueue_work work; |
97eabb2a JA |
929 | struct io_log *log; |
930 | void *samples; | |
7e419452 JA |
931 | uint32_t nr_samples; |
932 | bool free; | |
97eabb2a JA |
933 | }; |
934 | ||
97eabb2a JA |
935 | #define GZ_CHUNK 131072 |
936 | ||
937 | static struct iolog_compress *get_new_chunk(unsigned int seq) | |
938 | { | |
939 | struct iolog_compress *c; | |
940 | ||
941 | c = malloc(sizeof(*c)); | |
942 | INIT_FLIST_HEAD(&c->list); | |
943 | c->buf = malloc(GZ_CHUNK); | |
944 | c->len = 0; | |
945 | c->seq = seq; | |
97eabb2a JA |
946 | return c; |
947 | } | |
948 | ||
949 | static void free_chunk(struct iolog_compress *ic) | |
950 | { | |
c07826cd JA |
951 | free(ic->buf); |
952 | free(ic); | |
97eabb2a JA |
953 | } |
954 | ||
b26317c9 | 955 | static int z_stream_init(z_stream *stream, int gz_hdr) |
aee2ab67 | 956 | { |
b26317c9 JA |
957 | int wbits = 15; |
958 | ||
acb2a69b | 959 | memset(stream, 0, sizeof(*stream)); |
aee2ab67 JA |
960 | stream->zalloc = Z_NULL; |
961 | stream->zfree = Z_NULL; | |
962 | stream->opaque = Z_NULL; | |
963 | stream->next_in = Z_NULL; | |
964 | ||
1a8e7458 JA |
965 | /* |
966 | * zlib magic - add 32 for auto-detection of gz header or not, | |
967 | * if we decide to store files in a gzip friendly format. | |
968 | */ | |
b26317c9 JA |
969 | if (gz_hdr) |
970 | wbits += 32; | |
971 | ||
972 | if (inflateInit2(stream, wbits) != Z_OK) | |
aee2ab67 JA |
973 | return 1; |
974 | ||
975 | return 0; | |
976 | } | |
977 | ||
1a8e7458 | 978 | struct inflate_chunk_iter { |
aee2ab67 | 979 | unsigned int seq; |
dad95da1 | 980 | int err; |
aee2ab67 JA |
981 | void *buf; |
982 | size_t buf_size; | |
983 | size_t buf_used; | |
984 | size_t chunk_sz; | |
985 | }; | |
986 | ||
b26317c9 | 987 | static void finish_chunk(z_stream *stream, FILE *f, |
1a8e7458 | 988 | struct inflate_chunk_iter *iter) |
aee2ab67 | 989 | { |
aee2ab67 JA |
990 | int ret; |
991 | ||
992 | ret = inflateEnd(stream); | |
993 | if (ret != Z_OK) | |
50f940f1 JA |
994 | log_err("fio: failed to end log inflation seq %d (%d)\n", |
995 | iter->seq, ret); | |
aee2ab67 | 996 | |
b26317c9 | 997 | flush_samples(f, iter->buf, iter->buf_used); |
aee2ab67 JA |
998 | free(iter->buf); |
999 | iter->buf = NULL; | |
1000 | iter->buf_size = iter->buf_used = 0; | |
1001 | } | |
1002 | ||
1a8e7458 JA |
1003 | /* |
1004 | * Iterative chunk inflation. Handles cases where we cross into a new | |
1005 | * sequence, doing flush finish of previous chunk if needed. | |
1006 | */ | |
1007 | static size_t inflate_chunk(struct iolog_compress *ic, int gz_hdr, FILE *f, | |
1008 | z_stream *stream, struct inflate_chunk_iter *iter) | |
aee2ab67 | 1009 | { |
0c56718d JA |
1010 | size_t ret; |
1011 | ||
0f989d2e | 1012 | dprint(FD_COMPRESS, "inflate chunk size=%lu, seq=%u\n", |
0c56718d JA |
1013 | (unsigned long) ic->len, ic->seq); |
1014 | ||
aee2ab67 JA |
1015 | if (ic->seq != iter->seq) { |
1016 | if (iter->seq) | |
b26317c9 | 1017 | finish_chunk(stream, f, iter); |
aee2ab67 | 1018 | |
b26317c9 | 1019 | z_stream_init(stream, gz_hdr); |
aee2ab67 JA |
1020 | iter->seq = ic->seq; |
1021 | } | |
1022 | ||
1023 | stream->avail_in = ic->len; | |
1024 | stream->next_in = ic->buf; | |
1025 | ||
1026 | if (!iter->buf_size) { | |
1027 | iter->buf_size = iter->chunk_sz; | |
1028 | iter->buf = malloc(iter->buf_size); | |
1029 | } | |
1030 | ||
1031 | while (stream->avail_in) { | |
b26317c9 | 1032 | size_t this_out = iter->buf_size - iter->buf_used; |
aee2ab67 JA |
1033 | int err; |
1034 | ||
b26317c9 | 1035 | stream->avail_out = this_out; |
aee2ab67 JA |
1036 | stream->next_out = iter->buf + iter->buf_used; |
1037 | ||
1038 | err = inflate(stream, Z_NO_FLUSH); | |
1039 | if (err < 0) { | |
1040 | log_err("fio: failed inflating log: %d\n", err); | |
dad95da1 | 1041 | iter->err = err; |
aee2ab67 JA |
1042 | break; |
1043 | } | |
1044 | ||
b26317c9 JA |
1045 | iter->buf_used += this_out - stream->avail_out; |
1046 | ||
1047 | if (!stream->avail_out) { | |
1048 | iter->buf_size += iter->chunk_sz; | |
1049 | iter->buf = realloc(iter->buf, iter->buf_size); | |
1050 | continue; | |
1051 | } | |
1052 | ||
1053 | if (err == Z_STREAM_END) | |
1054 | break; | |
aee2ab67 JA |
1055 | } |
1056 | ||
0c56718d JA |
1057 | ret = (void *) stream->next_in - ic->buf; |
1058 | ||
d0d0cf0a | 1059 | dprint(FD_COMPRESS, "inflated to size=%lu\n", (unsigned long) iter->buf_size); |
0c56718d JA |
1060 | |
1061 | return ret; | |
aee2ab67 JA |
1062 | } |
1063 | ||
1a8e7458 JA |
1064 | /* |
1065 | * Inflate stored compressed chunks, or write them directly to the log | |
1066 | * file if so instructed. | |
1067 | */ | |
dad95da1 | 1068 | static int inflate_gz_chunks(struct io_log *log, FILE *f) |
aee2ab67 | 1069 | { |
1a8e7458 | 1070 | struct inflate_chunk_iter iter = { .chunk_sz = log->log_gz, }; |
aee2ab67 JA |
1071 | z_stream stream; |
1072 | ||
1073 | while (!flist_empty(&log->chunk_list)) { | |
1074 | struct iolog_compress *ic; | |
1075 | ||
9342d5f8 | 1076 | ic = flist_first_entry(&log->chunk_list, struct iolog_compress, list); |
aee2ab67 | 1077 | flist_del(&ic->list); |
b26317c9 | 1078 | |
1a8e7458 JA |
1079 | if (log->log_gz_store) { |
1080 | size_t ret; | |
1081 | ||
0c56718d JA |
1082 | dprint(FD_COMPRESS, "log write chunk size=%lu, " |
1083 | "seq=%u\n", (unsigned long) ic->len, ic->seq); | |
1084 | ||
1a8e7458 | 1085 | ret = fwrite(ic->buf, ic->len, 1, f); |
dad95da1 JA |
1086 | if (ret != 1 || ferror(f)) { |
1087 | iter.err = errno; | |
1a8e7458 | 1088 | log_err("fio: error writing compressed log\n"); |
dad95da1 | 1089 | } |
1a8e7458 JA |
1090 | } else |
1091 | inflate_chunk(ic, log->log_gz_store, f, &stream, &iter); | |
c07826cd JA |
1092 | |
1093 | free_chunk(ic); | |
aee2ab67 JA |
1094 | } |
1095 | ||
1096 | if (iter.seq) { | |
b26317c9 | 1097 | finish_chunk(&stream, f, &iter); |
aee2ab67 JA |
1098 | free(iter.buf); |
1099 | } | |
dad95da1 JA |
1100 | |
1101 | return iter.err; | |
aee2ab67 JA |
1102 | } |
1103 | ||
1a8e7458 JA |
1104 | /* |
1105 | * Open compressed log file and decompress the stored chunks and | |
1106 | * write them to stdout. The chunks are stored sequentially in the | |
1107 | * file, so we iterate over them and do them one-by-one. | |
1108 | */ | |
b26317c9 JA |
1109 | int iolog_file_inflate(const char *file) |
1110 | { | |
1a8e7458 | 1111 | struct inflate_chunk_iter iter = { .chunk_sz = 64 * 1024 * 1024, }; |
b26317c9 JA |
1112 | struct iolog_compress ic; |
1113 | z_stream stream; | |
1114 | struct stat sb; | |
2b8b8f0d | 1115 | size_t ret; |
f302710c JA |
1116 | size_t total; |
1117 | void *buf; | |
b26317c9 JA |
1118 | FILE *f; |
1119 | ||
b26317c9 JA |
1120 | f = fopen(file, "r"); |
1121 | if (!f) { | |
1122 | perror("fopen"); | |
1123 | return 1; | |
1124 | } | |
1125 | ||
fd771971 JA |
1126 | if (stat(file, &sb) < 0) { |
1127 | fclose(f); | |
1128 | perror("stat"); | |
1129 | return 1; | |
1130 | } | |
1131 | ||
f302710c | 1132 | ic.buf = buf = malloc(sb.st_size); |
b26317c9 | 1133 | ic.len = sb.st_size; |
b26317c9 JA |
1134 | ic.seq = 1; |
1135 | ||
1136 | ret = fread(ic.buf, ic.len, 1, f); | |
2b8b8f0d | 1137 | if (ret == 0 && ferror(f)) { |
b26317c9 JA |
1138 | perror("fread"); |
1139 | fclose(f); | |
bb1116fe | 1140 | free(buf); |
b26317c9 | 1141 | return 1; |
2b8b8f0d | 1142 | } else if (ferror(f) || (!feof(f) && ret != 1)) { |
b26317c9 JA |
1143 | log_err("fio: short read on reading log\n"); |
1144 | fclose(f); | |
bb1116fe | 1145 | free(buf); |
b26317c9 JA |
1146 | return 1; |
1147 | } | |
1148 | ||
1149 | fclose(f); | |
1150 | ||
1a8e7458 JA |
1151 | /* |
1152 | * Each chunk will return Z_STREAM_END. We don't know how many | |
1153 | * chunks are in the file, so we just keep looping and incrementing | |
1154 | * the sequence number until we have consumed the whole compressed | |
1155 | * file. | |
1156 | */ | |
f302710c JA |
1157 | total = ic.len; |
1158 | do { | |
8a1db9a1 | 1159 | size_t iret; |
f302710c | 1160 | |
8a1db9a1 JA |
1161 | iret = inflate_chunk(&ic, 1, stdout, &stream, &iter); |
1162 | total -= iret; | |
f302710c JA |
1163 | if (!total) |
1164 | break; | |
dad95da1 JA |
1165 | if (iter.err) |
1166 | break; | |
f302710c JA |
1167 | |
1168 | ic.seq++; | |
8a1db9a1 JA |
1169 | ic.len -= iret; |
1170 | ic.buf += iret; | |
f302710c | 1171 | } while (1); |
b26317c9 JA |
1172 | |
1173 | if (iter.seq) { | |
1174 | finish_chunk(&stream, stdout, &iter); | |
1175 | free(iter.buf); | |
1176 | } | |
1177 | ||
f302710c | 1178 | free(buf); |
dad95da1 | 1179 | return iter.err; |
b26317c9 JA |
1180 | } |
1181 | ||
aee2ab67 JA |
1182 | #else |
1183 | ||
dad95da1 | 1184 | static int inflate_gz_chunks(struct io_log *log, FILE *f) |
aee2ab67 | 1185 | { |
b7364e21 | 1186 | return 0; |
aee2ab67 JA |
1187 | } |
1188 | ||
a68c66b2 JA |
1189 | int iolog_file_inflate(const char *file) |
1190 | { | |
1191 | log_err("fio: log inflation not possible without zlib\n"); | |
1192 | return 1; | |
1193 | } | |
1194 | ||
aee2ab67 JA |
1195 | #endif |
1196 | ||
60a25727 | 1197 | void flush_log(struct io_log *log, bool do_append) |
aee2ab67 JA |
1198 | { |
1199 | void *buf; | |
1200 | FILE *f; | |
1201 | ||
3a5db920 JA |
1202 | if (!do_append) |
1203 | f = fopen(log->filename, "w"); | |
1204 | else | |
1205 | f = fopen(log->filename, "a"); | |
aee2ab67 JA |
1206 | if (!f) { |
1207 | perror("fopen log"); | |
1208 | return; | |
1209 | } | |
1210 | ||
1211 | buf = set_file_buffer(f); | |
1212 | ||
1a8e7458 | 1213 | inflate_gz_chunks(log, f); |
aee2ab67 | 1214 | |
7e419452 JA |
1215 | while (!flist_empty(&log->io_logs)) { |
1216 | struct io_logs *cur_log; | |
1217 | ||
1218 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); | |
1219 | flist_del_init(&cur_log->list); | |
1e613c9c | 1220 | |
a9179eeb | 1221 | if (log->td && log == log->td->clat_hist_log) |
1e613c9c | 1222 | flush_hist_samples(f, log->hist_coarseness, cur_log->log, |
868f6f03 | 1223 | log_sample_sz(log, cur_log)); |
1e613c9c | 1224 | else |
868f6f03 | 1225 | flush_samples(f, cur_log->log, log_sample_sz(log, cur_log)); |
1e613c9c | 1226 | |
90d2d53f | 1227 | sfree(cur_log); |
7e419452 | 1228 | } |
ac9b9101 JA |
1229 | |
1230 | fclose(f); | |
2e802282 | 1231 | clear_file_buffer(buf); |
ac9b9101 JA |
1232 | } |
1233 | ||
cb7e0ace | 1234 | static int finish_log(struct thread_data *td, struct io_log *log, int trylock) |
ac9b9101 | 1235 | { |
155f2f02 | 1236 | if (td->flags & TD_F_COMPRESS_LOG) |
7e419452 | 1237 | iolog_flush(log); |
aee2ab67 | 1238 | |
243bfe19 | 1239 | if (trylock) { |
cb7e0ace | 1240 | if (fio_trylock_file(log->filename)) |
243bfe19 JA |
1241 | return 1; |
1242 | } else | |
cb7e0ace | 1243 | fio_lock_file(log->filename); |
243bfe19 | 1244 | |
0cba0f91 | 1245 | if (td->client_type == FIO_CLIENT_TYPE_GUI || is_backend) |
cb7e0ace | 1246 | fio_send_iolog(td, log, log->filename); |
aee2ab67 | 1247 | else |
3a5db920 | 1248 | flush_log(log, !td->o.per_job_logs); |
243bfe19 | 1249 | |
cb7e0ace | 1250 | fio_unlock_file(log->filename); |
518dac09 | 1251 | free_log(log); |
243bfe19 | 1252 | return 0; |
ac9b9101 JA |
1253 | } |
1254 | ||
0cba0f91 JA |
1255 | size_t log_chunk_sizes(struct io_log *log) |
1256 | { | |
1257 | struct flist_head *entry; | |
1258 | size_t ret; | |
1259 | ||
1260 | if (flist_empty(&log->chunk_list)) | |
1261 | return 0; | |
1262 | ||
1263 | ret = 0; | |
1264 | pthread_mutex_lock(&log->chunk_lock); | |
1265 | flist_for_each(entry, &log->chunk_list) { | |
1266 | struct iolog_compress *c; | |
1267 | ||
1268 | c = flist_entry(entry, struct iolog_compress, list); | |
1269 | ret += c->len; | |
1270 | } | |
1271 | pthread_mutex_unlock(&log->chunk_lock); | |
1272 | return ret; | |
1273 | } | |
1274 | ||
aee2ab67 JA |
1275 | #ifdef CONFIG_ZLIB |
1276 | ||
858bce70 JA |
1277 | static void iolog_put_deferred(struct io_log *log, void *ptr) |
1278 | { | |
1279 | if (!ptr) | |
1280 | return; | |
1281 | ||
1282 | pthread_mutex_lock(&log->deferred_free_lock); | |
1283 | if (log->deferred < IOLOG_MAX_DEFER) { | |
1284 | log->deferred_items[log->deferred] = ptr; | |
1285 | log->deferred++; | |
e2446166 | 1286 | } else if (!fio_did_warn(FIO_WARN_IOLOG_DROP)) |
858bce70 | 1287 | log_err("fio: had to drop log entry free\n"); |
858bce70 JA |
1288 | pthread_mutex_unlock(&log->deferred_free_lock); |
1289 | } | |
1290 | ||
1291 | static void iolog_free_deferred(struct io_log *log) | |
1292 | { | |
1293 | int i; | |
1294 | ||
1295 | if (!log->deferred) | |
1296 | return; | |
1297 | ||
1298 | pthread_mutex_lock(&log->deferred_free_lock); | |
1299 | ||
1300 | for (i = 0; i < log->deferred; i++) { | |
1301 | free(log->deferred_items[i]); | |
1302 | log->deferred_items[i] = NULL; | |
1303 | } | |
1304 | ||
1305 | log->deferred = 0; | |
1306 | pthread_mutex_unlock(&log->deferred_free_lock); | |
1307 | } | |
1308 | ||
78e93aa6 | 1309 | static int gz_work(struct iolog_flush_data *data) |
c143980a | 1310 | { |
040238ec | 1311 | struct iolog_compress *c = NULL; |
aee2ab67 JA |
1312 | struct flist_head list; |
1313 | unsigned int seq; | |
1314 | z_stream stream; | |
1315 | size_t total = 0; | |
d73ac887 | 1316 | int ret; |
aee2ab67 JA |
1317 | |
1318 | INIT_FLIST_HEAD(&list); | |
1319 | ||
7e419452 | 1320 | memset(&stream, 0, sizeof(stream)); |
aee2ab67 JA |
1321 | stream.zalloc = Z_NULL; |
1322 | stream.zfree = Z_NULL; | |
1323 | stream.opaque = Z_NULL; | |
1324 | ||
b26317c9 | 1325 | ret = deflateInit(&stream, Z_DEFAULT_COMPRESSION); |
b26317c9 | 1326 | if (ret != Z_OK) { |
aee2ab67 | 1327 | log_err("fio: failed to init gz stream\n"); |
152ea035 | 1328 | goto err; |
aee2ab67 JA |
1329 | } |
1330 | ||
1331 | seq = ++data->log->chunk_seq; | |
b26317c9 | 1332 | |
aee2ab67 JA |
1333 | stream.next_in = (void *) data->samples; |
1334 | stream.avail_in = data->nr_samples * log_entry_sz(data->log); | |
1335 | ||
d0d0cf0a JA |
1336 | dprint(FD_COMPRESS, "deflate input size=%lu, seq=%u, log=%s\n", |
1337 | (unsigned long) stream.avail_in, seq, | |
1338 | data->log->filename); | |
aee2ab67 | 1339 | do { |
040238ec | 1340 | if (c) |
0caccfa7 JA |
1341 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, |
1342 | (unsigned long) c->len); | |
aee2ab67 JA |
1343 | c = get_new_chunk(seq); |
1344 | stream.avail_out = GZ_CHUNK; | |
1345 | stream.next_out = c->buf; | |
1346 | ret = deflate(&stream, Z_NO_FLUSH); | |
1347 | if (ret < 0) { | |
1348 | log_err("fio: deflate log (%d)\n", ret); | |
dad95da1 JA |
1349 | free_chunk(c); |
1350 | goto err; | |
aee2ab67 JA |
1351 | } |
1352 | ||
1353 | c->len = GZ_CHUNK - stream.avail_out; | |
1354 | flist_add_tail(&c->list, &list); | |
1355 | total += c->len; | |
1356 | } while (stream.avail_in); | |
1357 | ||
1358 | stream.next_out = c->buf + c->len; | |
1359 | stream.avail_out = GZ_CHUNK - c->len; | |
1360 | ||
1361 | ret = deflate(&stream, Z_FINISH); | |
6fa3ad51 JA |
1362 | if (ret < 0) { |
1363 | /* | |
1364 | * Z_BUF_ERROR is special, it just means we need more | |
1365 | * output space. We'll handle that below. Treat any other | |
1366 | * error as fatal. | |
1367 | */ | |
1368 | if (ret != Z_BUF_ERROR) { | |
1369 | log_err("fio: deflate log (%d)\n", ret); | |
1370 | flist_del(&c->list); | |
1371 | free_chunk(c); | |
1372 | goto err; | |
1373 | } | |
1374 | } | |
1375 | ||
1376 | total -= c->len; | |
1377 | c->len = GZ_CHUNK - stream.avail_out; | |
1378 | total += c->len; | |
0caccfa7 | 1379 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, (unsigned long) c->len); |
040238ec | 1380 | |
6fa3ad51 | 1381 | if (ret != Z_STREAM_END) { |
aee2ab67 JA |
1382 | do { |
1383 | c = get_new_chunk(seq); | |
1384 | stream.avail_out = GZ_CHUNK; | |
1385 | stream.next_out = c->buf; | |
1386 | ret = deflate(&stream, Z_FINISH); | |
1387 | c->len = GZ_CHUNK - stream.avail_out; | |
0c56718d | 1388 | total += c->len; |
aee2ab67 | 1389 | flist_add_tail(&c->list, &list); |
0caccfa7 JA |
1390 | dprint(FD_COMPRESS, "seq=%d, chunk=%lu\n", seq, |
1391 | (unsigned long) c->len); | |
aee2ab67 JA |
1392 | } while (ret != Z_STREAM_END); |
1393 | } | |
1394 | ||
0c56718d JA |
1395 | dprint(FD_COMPRESS, "deflated to size=%lu\n", (unsigned long) total); |
1396 | ||
aee2ab67 JA |
1397 | ret = deflateEnd(&stream); |
1398 | if (ret != Z_OK) | |
1399 | log_err("fio: deflateEnd %d\n", ret); | |
1400 | ||
858bce70 | 1401 | iolog_put_deferred(data->log, data->samples); |
aee2ab67 JA |
1402 | |
1403 | if (!flist_empty(&list)) { | |
1404 | pthread_mutex_lock(&data->log->chunk_lock); | |
1405 | flist_splice_tail(&list, &data->log->chunk_list); | |
1406 | pthread_mutex_unlock(&data->log->chunk_lock); | |
1407 | } | |
1408 | ||
dad95da1 JA |
1409 | ret = 0; |
1410 | done: | |
7e419452 | 1411 | if (data->free) |
dab41b1c | 1412 | sfree(data); |
dad95da1 JA |
1413 | return ret; |
1414 | err: | |
1415 | while (!flist_empty(&list)) { | |
1416 | c = flist_first_entry(list.next, struct iolog_compress, list); | |
1417 | flist_del(&c->list); | |
1418 | free_chunk(c); | |
1419 | } | |
1420 | ret = 1; | |
1421 | goto done; | |
aee2ab67 JA |
1422 | } |
1423 | ||
78e93aa6 JA |
1424 | /* |
1425 | * Invoked from our compress helper thread, when logging would have exceeded | |
1426 | * the specified memory limitation. Compresses the previously stored | |
1427 | * entries. | |
1428 | */ | |
1429 | static int gz_work_async(struct submit_worker *sw, struct workqueue_work *work) | |
1430 | { | |
1431 | return gz_work(container_of(work, struct iolog_flush_data, work)); | |
1432 | } | |
1433 | ||
c08f9fe2 JA |
1434 | static int gz_init_worker(struct submit_worker *sw) |
1435 | { | |
1436 | struct thread_data *td = sw->wq->td; | |
1437 | ||
1438 | if (!fio_option_is_set(&td->o, log_gz_cpumask)) | |
1439 | return 0; | |
1440 | ||
1441 | if (fio_setaffinity(gettid(), td->o.log_gz_cpumask) == -1) { | |
1442 | log_err("gz: failed to set CPU affinity\n"); | |
1443 | return 1; | |
1444 | } | |
1445 | ||
1446 | return 0; | |
1447 | } | |
1448 | ||
155f2f02 | 1449 | static struct workqueue_ops log_compress_wq_ops = { |
78e93aa6 | 1450 | .fn = gz_work_async, |
c08f9fe2 | 1451 | .init_worker_fn = gz_init_worker, |
24660963 | 1452 | .nice = 1, |
155f2f02 JA |
1453 | }; |
1454 | ||
24660963 | 1455 | int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out) |
155f2f02 JA |
1456 | { |
1457 | if (!(td->flags & TD_F_COMPRESS_LOG)) | |
1458 | return 0; | |
1459 | ||
24660963 | 1460 | workqueue_init(td, &td->log_compress_wq, &log_compress_wq_ops, 1, sk_out); |
155f2f02 JA |
1461 | return 0; |
1462 | } | |
1463 | ||
1464 | void iolog_compress_exit(struct thread_data *td) | |
1465 | { | |
1466 | if (!(td->flags & TD_F_COMPRESS_LOG)) | |
1467 | return; | |
1468 | ||
1469 | workqueue_exit(&td->log_compress_wq); | |
1470 | } | |
1471 | ||
1a8e7458 | 1472 | /* |
949ae6dc JA |
1473 | * Queue work item to compress the existing log entries. We reset the |
1474 | * current log to a small size, and reference the existing log in the | |
1475 | * data that we queue for compression. Once compression has been done, | |
7e419452 JA |
1476 | * this old log is freed. If called with finish == true, will not return |
1477 | * until the log compression has completed, and will flush all previous | |
1478 | * logs too | |
1a8e7458 | 1479 | */ |
7e419452 | 1480 | static int iolog_flush(struct io_log *log) |
aee2ab67 | 1481 | { |
aee2ab67 | 1482 | struct iolog_flush_data *data; |
aee2ab67 JA |
1483 | |
1484 | data = malloc(sizeof(*data)); | |
1485 | if (!data) | |
1486 | return 1; | |
1487 | ||
1488 | data->log = log; | |
7e419452 | 1489 | data->free = false; |
aee2ab67 | 1490 | |
7e419452 JA |
1491 | while (!flist_empty(&log->io_logs)) { |
1492 | struct io_logs *cur_log; | |
949ae6dc | 1493 | |
7e419452 JA |
1494 | cur_log = flist_first_entry(&log->io_logs, struct io_logs, list); |
1495 | flist_del_init(&cur_log->list); | |
1496 | ||
1497 | data->samples = cur_log->log; | |
1498 | data->nr_samples = cur_log->nr_samples; | |
1499 | ||
2b7625e2 | 1500 | sfree(cur_log); |
aee2ab67 | 1501 | |
78e93aa6 | 1502 | gz_work(data); |
7e419452 | 1503 | } |
aee2ab67 | 1504 | |
7e419452 | 1505 | free(data); |
aee2ab67 JA |
1506 | return 0; |
1507 | } | |
1508 | ||
7e419452 JA |
1509 | int iolog_cur_flush(struct io_log *log, struct io_logs *cur_log) |
1510 | { | |
1511 | struct iolog_flush_data *data; | |
1512 | ||
dab41b1c | 1513 | data = smalloc(sizeof(*data)); |
7e419452 JA |
1514 | if (!data) |
1515 | return 1; | |
1516 | ||
1517 | data->log = log; | |
1518 | ||
1519 | data->samples = cur_log->log; | |
1520 | data->nr_samples = cur_log->nr_samples; | |
1521 | data->free = true; | |
1522 | ||
1523 | cur_log->nr_samples = cur_log->max_samples = 0; | |
1524 | cur_log->log = NULL; | |
1525 | ||
1526 | workqueue_enqueue(&log->td->log_compress_wq, &data->work); | |
858bce70 JA |
1527 | |
1528 | iolog_free_deferred(log); | |
1529 | ||
7e419452 JA |
1530 | return 0; |
1531 | } | |
aee2ab67 JA |
1532 | #else |
1533 | ||
7e419452 JA |
1534 | static int iolog_flush(struct io_log *log) |
1535 | { | |
1536 | return 1; | |
1537 | } | |
1538 | ||
1539 | int iolog_cur_flush(struct io_log *log, struct io_logs *cur_log) | |
aee2ab67 JA |
1540 | { |
1541 | return 1; | |
1542 | } | |
1543 | ||
24660963 | 1544 | int iolog_compress_init(struct thread_data *td, struct sk_out *sk_out) |
52618a2a JA |
1545 | { |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | void iolog_compress_exit(struct thread_data *td) | |
1550 | { | |
1551 | } | |
1552 | ||
aee2ab67 JA |
1553 | #endif |
1554 | ||
7e419452 JA |
1555 | struct io_logs *iolog_cur_log(struct io_log *log) |
1556 | { | |
1557 | if (flist_empty(&log->io_logs)) | |
1558 | return NULL; | |
1559 | ||
1560 | return flist_last_entry(&log->io_logs, struct io_logs, list); | |
1561 | } | |
1562 | ||
1563 | uint64_t iolog_nr_samples(struct io_log *iolog) | |
1564 | { | |
1565 | struct flist_head *entry; | |
1566 | uint64_t ret = 0; | |
1567 | ||
1568 | flist_for_each(entry, &iolog->io_logs) { | |
1569 | struct io_logs *cur_log; | |
1570 | ||
1571 | cur_log = flist_entry(entry, struct io_logs, list); | |
1572 | ret += cur_log->nr_samples; | |
1573 | } | |
1574 | ||
1575 | return ret; | |
1576 | } | |
1577 | ||
1c725e70 | 1578 | static int __write_log(struct thread_data *td, struct io_log *log, int try) |
905e3d4f | 1579 | { |
1c725e70 JA |
1580 | if (log) |
1581 | return finish_log(td, log, try); | |
905e3d4f | 1582 | |
1c725e70 JA |
1583 | return 0; |
1584 | } | |
905e3d4f | 1585 | |
a47591e4 | 1586 | static int write_iops_log(struct thread_data *td, int try, bool unit_log) |
1c725e70 | 1587 | { |
a47591e4 JA |
1588 | int ret; |
1589 | ||
1590 | if (per_unit_log(td->iops_log) != unit_log) | |
1591 | return 0; | |
1592 | ||
1593 | ret = __write_log(td, td->iops_log, try); | |
1594 | if (!ret) | |
1595 | td->iops_log = NULL; | |
1596 | ||
1597 | return ret; | |
905e3d4f JA |
1598 | } |
1599 | ||
a47591e4 | 1600 | static int write_slat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1601 | { |
a47591e4 JA |
1602 | int ret; |
1603 | ||
1604 | if (!unit_log) | |
1605 | return 0; | |
1606 | ||
1607 | ret = __write_log(td, td->slat_log, try); | |
1608 | if (!ret) | |
1609 | td->slat_log = NULL; | |
1610 | ||
1611 | return ret; | |
905e3d4f JA |
1612 | } |
1613 | ||
a47591e4 | 1614 | static int write_clat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1615 | { |
a47591e4 JA |
1616 | int ret; |
1617 | ||
1618 | if (!unit_log) | |
1619 | return 0; | |
1620 | ||
1621 | ret = __write_log(td, td->clat_log, try); | |
1622 | if (!ret) | |
1623 | td->clat_log = NULL; | |
1624 | ||
1625 | return ret; | |
905e3d4f JA |
1626 | } |
1627 | ||
1e613c9c KC |
1628 | static int write_clat_hist_log(struct thread_data *td, int try, bool unit_log) |
1629 | { | |
1630 | int ret; | |
1631 | ||
1632 | if (!unit_log) | |
1633 | return 0; | |
1634 | ||
1635 | ret = __write_log(td, td->clat_hist_log, try); | |
1636 | if (!ret) | |
1637 | td->clat_hist_log = NULL; | |
1638 | ||
1639 | return ret; | |
1640 | } | |
1641 | ||
a47591e4 | 1642 | static int write_lat_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1643 | { |
a47591e4 JA |
1644 | int ret; |
1645 | ||
1646 | if (!unit_log) | |
1647 | return 0; | |
1648 | ||
1649 | ret = __write_log(td, td->lat_log, try); | |
1650 | if (!ret) | |
1651 | td->lat_log = NULL; | |
1652 | ||
1653 | return ret; | |
905e3d4f JA |
1654 | } |
1655 | ||
a47591e4 | 1656 | static int write_bandw_log(struct thread_data *td, int try, bool unit_log) |
905e3d4f | 1657 | { |
a47591e4 JA |
1658 | int ret; |
1659 | ||
1660 | if (per_unit_log(td->bw_log) != unit_log) | |
1661 | return 0; | |
1662 | ||
1663 | ret = __write_log(td, td->bw_log, try); | |
1664 | if (!ret) | |
1665 | td->bw_log = NULL; | |
1666 | ||
1667 | return ret; | |
905e3d4f JA |
1668 | } |
1669 | ||
1670 | enum { | |
1671 | BW_LOG_MASK = 1, | |
1672 | LAT_LOG_MASK = 2, | |
1673 | SLAT_LOG_MASK = 4, | |
1674 | CLAT_LOG_MASK = 8, | |
1675 | IOPS_LOG_MASK = 16, | |
1e613c9c | 1676 | CLAT_HIST_LOG_MASK = 32, |
905e3d4f | 1677 | |
1e613c9c | 1678 | ALL_LOG_NR = 6, |
905e3d4f JA |
1679 | }; |
1680 | ||
1681 | struct log_type { | |
1682 | unsigned int mask; | |
a47591e4 | 1683 | int (*fn)(struct thread_data *, int, bool); |
905e3d4f JA |
1684 | }; |
1685 | ||
1686 | static struct log_type log_types[] = { | |
1687 | { | |
1688 | .mask = BW_LOG_MASK, | |
1689 | .fn = write_bandw_log, | |
1690 | }, | |
1691 | { | |
1692 | .mask = LAT_LOG_MASK, | |
1693 | .fn = write_lat_log, | |
1694 | }, | |
1695 | { | |
1696 | .mask = SLAT_LOG_MASK, | |
1697 | .fn = write_slat_log, | |
1698 | }, | |
1699 | { | |
1700 | .mask = CLAT_LOG_MASK, | |
1701 | .fn = write_clat_log, | |
1702 | }, | |
1703 | { | |
1704 | .mask = IOPS_LOG_MASK, | |
1705 | .fn = write_iops_log, | |
1706 | }, | |
1e613c9c KC |
1707 | { |
1708 | .mask = CLAT_HIST_LOG_MASK, | |
1709 | .fn = write_clat_hist_log, | |
1710 | } | |
905e3d4f JA |
1711 | }; |
1712 | ||
a47591e4 | 1713 | void td_writeout_logs(struct thread_data *td, bool unit_logs) |
905e3d4f | 1714 | { |
ea5409f9 | 1715 | unsigned int log_mask = 0; |
905e3d4f JA |
1716 | unsigned int log_left = ALL_LOG_NR; |
1717 | int old_state, i; | |
1718 | ||
1719 | old_state = td_bump_runstate(td, TD_FINISHING); | |
1720 | ||
a47591e4 | 1721 | finalize_logs(td, unit_logs); |
905e3d4f JA |
1722 | |
1723 | while (log_left) { | |
1724 | int prev_log_left = log_left; | |
1725 | ||
1726 | for (i = 0; i < ALL_LOG_NR && log_left; i++) { | |
1727 | struct log_type *lt = &log_types[i]; | |
1728 | int ret; | |
1729 | ||
ea5409f9 | 1730 | if (!(log_mask & lt->mask)) { |
a47591e4 | 1731 | ret = lt->fn(td, log_left != 1, unit_logs); |
905e3d4f JA |
1732 | if (!ret) { |
1733 | log_left--; | |
ea5409f9 | 1734 | log_mask |= lt->mask; |
905e3d4f JA |
1735 | } |
1736 | } | |
1737 | } | |
1738 | ||
1739 | if (prev_log_left == log_left) | |
1740 | usleep(5000); | |
1741 | } | |
1742 | ||
1743 | td_restore_runstate(td, old_state); | |
1744 | } | |
a47591e4 JA |
1745 | |
1746 | void fio_writeout_logs(bool unit_logs) | |
1747 | { | |
1748 | struct thread_data *td; | |
1749 | int i; | |
1750 | ||
1751 | for_each_td(td, i) | |
1752 | td_writeout_logs(td, unit_logs); | |
1753 | } |