Merge branch 'realloc-io_u-buffers' of https://github.com/aclamk/fio
[fio.git] / eta.c
... / ...
CommitLineData
1/*
2 * Status and ETA code
3 */
4#include <unistd.h>
5#include <string.h>
6#ifdef CONFIG_VALGRIND_DEV
7#include <valgrind/drd.h>
8#else
9#define DRD_IGNORE_VAR(x) do { } while (0)
10#endif
11
12#include "fio.h"
13#include "lib/pow2.h"
14
15static char __run_str[REAL_MAX_JOBS + 1];
16static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 1];
17
18static void update_condensed_str(char *rstr, char *run_str_condensed)
19{
20 if (*rstr) {
21 while (*rstr) {
22 int nr = 1;
23
24 *run_str_condensed++ = *rstr++;
25 while (*(rstr - 1) == *rstr) {
26 rstr++;
27 nr++;
28 }
29 run_str_condensed += sprintf(run_str_condensed, "(%u),", nr);
30 }
31 run_str_condensed--;
32 }
33 *run_str_condensed = '\0';
34}
35
36/*
37 * Sets the status of the 'td' in the printed status map.
38 */
39static void check_str_update(struct thread_data *td)
40{
41 char c = __run_str[td->thread_number - 1];
42
43 switch (td->runstate) {
44 case TD_REAPED:
45 if (td->error)
46 c = 'X';
47 else if (td->sig)
48 c = 'K';
49 else
50 c = '_';
51 break;
52 case TD_EXITED:
53 c = 'E';
54 break;
55 case TD_RAMP:
56 c = '/';
57 break;
58 case TD_RUNNING:
59 if (td_rw(td)) {
60 if (td_random(td)) {
61 if (td->o.rwmix[DDIR_READ] == 100)
62 c = 'r';
63 else if (td->o.rwmix[DDIR_WRITE] == 100)
64 c = 'w';
65 else
66 c = 'm';
67 } else {
68 if (td->o.rwmix[DDIR_READ] == 100)
69 c = 'R';
70 else if (td->o.rwmix[DDIR_WRITE] == 100)
71 c = 'W';
72 else
73 c = 'M';
74 }
75 } else if (td_read(td)) {
76 if (td_random(td))
77 c = 'r';
78 else
79 c = 'R';
80 } else if (td_write(td)) {
81 if (td_random(td))
82 c = 'w';
83 else
84 c = 'W';
85 } else {
86 if (td_random(td))
87 c = 'd';
88 else
89 c = 'D';
90 }
91 break;
92 case TD_PRE_READING:
93 c = 'p';
94 break;
95 case TD_VERIFYING:
96 c = 'V';
97 break;
98 case TD_FSYNCING:
99 c = 'F';
100 break;
101 case TD_FINISHING:
102 c = 'f';
103 break;
104 case TD_CREATED:
105 c = 'C';
106 break;
107 case TD_INITIALIZED:
108 case TD_SETTING_UP:
109 c = 'I';
110 break;
111 case TD_NOT_CREATED:
112 c = 'P';
113 break;
114 default:
115 log_err("state %d\n", td->runstate);
116 }
117
118 __run_str[td->thread_number - 1] = c;
119 update_condensed_str(__run_str, run_str);
120}
121
122/*
123 * Convert seconds to a printable string.
124 */
125void eta_to_str(char *str, unsigned long eta_sec)
126{
127 unsigned int d, h, m, s;
128 int disp_hour = 0;
129
130 if (eta_sec == -1) {
131 sprintf(str, "--");
132 return;
133 }
134
135 s = eta_sec % 60;
136 eta_sec /= 60;
137 m = eta_sec % 60;
138 eta_sec /= 60;
139 h = eta_sec % 24;
140 eta_sec /= 24;
141 d = eta_sec;
142
143 if (d) {
144 disp_hour = 1;
145 str += sprintf(str, "%02ud:", d);
146 }
147
148 if (h || disp_hour)
149 str += sprintf(str, "%02uh:", h);
150
151 str += sprintf(str, "%02um:", m);
152 sprintf(str, "%02us", s);
153}
154
155/*
156 * Best effort calculation of the estimated pending runtime of a job.
157 */
158static unsigned long thread_eta(struct thread_data *td)
159{
160 unsigned long long bytes_total, bytes_done;
161 unsigned long eta_sec = 0;
162 unsigned long elapsed;
163 uint64_t timeout;
164
165 elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
166 timeout = td->o.timeout / 1000000UL;
167
168 bytes_total = td->total_io_size;
169
170 if (td->flags & TD_F_NO_PROGRESS)
171 return -1;
172
173 if (td->o.fill_device && td->o.size == -1ULL) {
174 if (!td->fill_device_size || td->fill_device_size == -1ULL)
175 return 0;
176
177 bytes_total = td->fill_device_size;
178 }
179
180 if (td->o.zone_size && td->o.zone_skip && bytes_total) {
181 unsigned int nr_zones;
182 uint64_t zone_bytes;
183
184 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
185 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
186 bytes_total -= nr_zones * td->o.zone_skip;
187 }
188
189 /*
190 * if writing and verifying afterwards, bytes_total will be twice the
191 * size. In a mixed workload, verify phase will be the size of the
192 * first stage writes.
193 */
194 if (td->o.do_verify && td->o.verify && td_write(td)) {
195 if (td_rw(td)) {
196 unsigned int perc = 50;
197
198 if (td->o.rwmix[DDIR_WRITE])
199 perc = td->o.rwmix[DDIR_WRITE];
200
201 bytes_total += (bytes_total * perc) / 100;
202 } else
203 bytes_total <<= 1;
204 }
205
206 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
207 double perc, perc_t;
208
209 bytes_done = ddir_rw_sum(td->io_bytes);
210
211 if (bytes_total) {
212 perc = (double) bytes_done / (double) bytes_total;
213 if (perc > 1.0)
214 perc = 1.0;
215 } else
216 perc = 0.0;
217
218 if (td->o.time_based) {
219 if (timeout) {
220 perc_t = (double) elapsed / (double) timeout;
221 if (perc_t < perc)
222 perc = perc_t;
223 } else {
224 /*
225 * Will never hit, we can't have time_based
226 * without a timeout set.
227 */
228 perc = 0.0;
229 }
230 }
231
232 if (perc == 0.0) {
233 eta_sec = timeout;
234 } else {
235 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
236 }
237
238 if (td->o.timeout &&
239 eta_sec > (timeout + done_secs - elapsed))
240 eta_sec = timeout + done_secs - elapsed;
241 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
242 || td->runstate == TD_INITIALIZED
243 || td->runstate == TD_SETTING_UP
244 || td->runstate == TD_RAMP
245 || td->runstate == TD_PRE_READING) {
246 int64_t t_eta = 0, r_eta = 0;
247 unsigned long long rate_bytes;
248
249 /*
250 * We can only guess - assume it'll run the full timeout
251 * if given, otherwise assume it'll run at the specified rate.
252 */
253 if (td->o.timeout) {
254 uint64_t __timeout = td->o.timeout;
255 uint64_t start_delay = td->o.start_delay;
256 uint64_t ramp_time = td->o.ramp_time;
257
258 t_eta = __timeout + start_delay;
259 if (!td->ramp_time_over) {
260 t_eta += ramp_time;
261 }
262 t_eta /= 1000000ULL;
263
264 if ((td->runstate == TD_RAMP) && in_ramp_time(td)) {
265 unsigned long ramp_left;
266
267 ramp_left = mtime_since_now(&td->epoch);
268 ramp_left = (ramp_left + 999) / 1000;
269 if (ramp_left <= t_eta)
270 t_eta -= ramp_left;
271 }
272 }
273 rate_bytes = 0;
274 if (td_read(td))
275 rate_bytes = td->o.rate[DDIR_READ];
276 if (td_write(td))
277 rate_bytes += td->o.rate[DDIR_WRITE];
278 if (td_trim(td))
279 rate_bytes += td->o.rate[DDIR_TRIM];
280
281 if (rate_bytes) {
282 r_eta = bytes_total / rate_bytes;
283 r_eta += (td->o.start_delay / 1000000ULL);
284 }
285
286 if (r_eta && t_eta)
287 eta_sec = min(r_eta, t_eta);
288 else if (r_eta)
289 eta_sec = r_eta;
290 else if (t_eta)
291 eta_sec = t_eta;
292 else
293 eta_sec = 0;
294 } else {
295 /*
296 * thread is already done or waiting for fsync
297 */
298 eta_sec = 0;
299 }
300
301 return eta_sec;
302}
303
304static void calc_rate(int unified_rw_rep, unsigned long mtime,
305 unsigned long long *io_bytes,
306 unsigned long long *prev_io_bytes, uint64_t *rate)
307{
308 int i;
309
310 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
311 unsigned long long diff, this_rate;
312
313 diff = io_bytes[i] - prev_io_bytes[i];
314 if (mtime)
315 this_rate = ((1000 * diff) / mtime) / 1024; /* KiB/s */
316 else
317 this_rate = 0;
318
319 if (unified_rw_rep) {
320 rate[i] = 0;
321 rate[0] += this_rate;
322 } else
323 rate[i] = this_rate;
324
325 prev_io_bytes[i] = io_bytes[i];
326 }
327}
328
329static void calc_iops(int unified_rw_rep, unsigned long mtime,
330 unsigned long long *io_iops,
331 unsigned long long *prev_io_iops, unsigned int *iops)
332{
333 int i;
334
335 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
336 unsigned long long diff, this_iops;
337
338 diff = io_iops[i] - prev_io_iops[i];
339 if (mtime)
340 this_iops = (diff * 1000) / mtime;
341 else
342 this_iops = 0;
343
344 if (unified_rw_rep) {
345 iops[i] = 0;
346 iops[0] += this_iops;
347 } else
348 iops[i] = this_iops;
349
350 prev_io_iops[i] = io_iops[i];
351 }
352}
353
354/*
355 * Allow a little slack - if we're within 95% of the time, allow ETA.
356 */
357bool eta_time_within_slack(unsigned int time)
358{
359 return time > ((eta_interval_msec * 95) / 100);
360}
361
362/*
363 * Print status of the jobs we know about. This includes rate estimates,
364 * ETA, thread state, etc.
365 */
366bool calc_thread_status(struct jobs_eta *je, int force)
367{
368 struct thread_data *td;
369 int i, unified_rw_rep;
370 uint64_t rate_time, disp_time, bw_avg_time, *eta_secs;
371 unsigned long long io_bytes[DDIR_RWDIR_CNT];
372 unsigned long long io_iops[DDIR_RWDIR_CNT];
373 struct timespec now;
374
375 static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
376 static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
377 static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
378 static struct timespec rate_prev_time, disp_prev_time;
379
380 if (!force) {
381 if (!(output_format & FIO_OUTPUT_NORMAL) &&
382 f_out == stdout)
383 return false;
384 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
385 return false;
386
387 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
388 return false;
389 }
390
391 if (!ddir_rw_sum(rate_io_bytes))
392 fill_start_time(&rate_prev_time);
393 if (!ddir_rw_sum(disp_io_bytes))
394 fill_start_time(&disp_prev_time);
395
396 eta_secs = malloc(thread_number * sizeof(uint64_t));
397 memset(eta_secs, 0, thread_number * sizeof(uint64_t));
398
399 je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
400
401 io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
402 io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
403 bw_avg_time = ULONG_MAX;
404 unified_rw_rep = 0;
405 for_each_td(td, i) {
406 unified_rw_rep += td->o.unified_rw_rep;
407 if (is_power_of_2(td->o.kb_base))
408 je->is_pow2 = 1;
409 je->unit_base = td->o.unit_base;
410 if (td->o.bw_avg_time < bw_avg_time)
411 bw_avg_time = td->o.bw_avg_time;
412 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
413 || td->runstate == TD_FSYNCING
414 || td->runstate == TD_PRE_READING
415 || td->runstate == TD_FINISHING) {
416 je->nr_running++;
417 if (td_read(td)) {
418 je->t_rate[0] += td->o.rate[DDIR_READ];
419 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
420 je->m_rate[0] += td->o.ratemin[DDIR_READ];
421 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
422 }
423 if (td_write(td)) {
424 je->t_rate[1] += td->o.rate[DDIR_WRITE];
425 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
426 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
427 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
428 }
429 if (td_trim(td)) {
430 je->t_rate[2] += td->o.rate[DDIR_TRIM];
431 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
432 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
433 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
434 }
435
436 je->files_open += td->nr_open_files;
437 } else if (td->runstate == TD_RAMP) {
438 je->nr_running++;
439 je->nr_ramp++;
440 } else if (td->runstate == TD_SETTING_UP)
441 je->nr_setting_up++;
442 else if (td->runstate < TD_RUNNING)
443 je->nr_pending++;
444
445 if (je->elapsed_sec >= 3)
446 eta_secs[i] = thread_eta(td);
447 else
448 eta_secs[i] = INT_MAX;
449
450 check_str_update(td);
451
452 if (td->runstate > TD_SETTING_UP) {
453 int ddir;
454
455 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
456 if (unified_rw_rep) {
457 io_bytes[0] += td->io_bytes[ddir];
458 io_iops[0] += td->io_blocks[ddir];
459 } else {
460 io_bytes[ddir] += td->io_bytes[ddir];
461 io_iops[ddir] += td->io_blocks[ddir];
462 }
463 }
464 }
465 }
466
467 if (exitall_on_terminate) {
468 je->eta_sec = INT_MAX;
469 for_each_td(td, i) {
470 if (eta_secs[i] < je->eta_sec)
471 je->eta_sec = eta_secs[i];
472 }
473 } else {
474 unsigned long eta_stone = 0;
475
476 je->eta_sec = 0;
477 for_each_td(td, i) {
478 if ((td->runstate == TD_NOT_CREATED) && td->o.stonewall)
479 eta_stone += eta_secs[i];
480 else {
481 if (eta_secs[i] > je->eta_sec)
482 je->eta_sec = eta_secs[i];
483 }
484 }
485 je->eta_sec += eta_stone;
486 }
487
488 free(eta_secs);
489
490 fio_gettime(&now, NULL);
491 rate_time = mtime_since(&rate_prev_time, &now);
492
493 if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
494 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
495 je->rate);
496 memcpy(&rate_prev_time, &now, sizeof(now));
497 add_agg_sample(sample_val(je->rate[DDIR_READ]), DDIR_READ, 0);
498 add_agg_sample(sample_val(je->rate[DDIR_WRITE]), DDIR_WRITE, 0);
499 add_agg_sample(sample_val(je->rate[DDIR_TRIM]), DDIR_TRIM, 0);
500 }
501
502 disp_time = mtime_since(&disp_prev_time, &now);
503
504 if (!force && !eta_time_within_slack(disp_time))
505 return false;
506
507 calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
508 calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
509
510 memcpy(&disp_prev_time, &now, sizeof(now));
511
512 if (!force && !je->nr_running && !je->nr_pending)
513 return false;
514
515 je->nr_threads = thread_number;
516 update_condensed_str(__run_str, run_str);
517 memcpy(je->run_str, run_str, strlen(run_str));
518 return true;
519}
520
521void display_thread_status(struct jobs_eta *je)
522{
523 static struct timespec disp_eta_new_line;
524 static int eta_new_line_init, eta_new_line_pending;
525 static int linelen_last;
526 static int eta_good;
527 char output[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 512], *p = output;
528 char eta_str[128];
529 double perc = 0.0;
530
531 if (je->eta_sec != INT_MAX && je->elapsed_sec) {
532 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
533 eta_to_str(eta_str, je->eta_sec);
534 }
535
536 if (eta_new_line_pending) {
537 eta_new_line_pending = 0;
538 linelen_last = 0;
539 p += sprintf(p, "\n");
540 }
541
542 p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
543
544 /* rate limits, if any */
545 if (je->m_rate[0] || je->m_rate[1] || je->m_rate[2] ||
546 je->t_rate[0] || je->t_rate[1] || je->t_rate[2]) {
547 char *tr, *mr;
548
549 mr = num2str(je->m_rate[0] + je->m_rate[1] + je->m_rate[2],
550 je->sig_figs, 0, je->is_pow2, N2S_BYTEPERSEC);
551 tr = num2str(je->t_rate[0] + je->t_rate[1] + je->t_rate[2],
552 je->sig_figs, 0, je->is_pow2, N2S_BYTEPERSEC);
553
554 p += sprintf(p, ", %s-%s", mr, tr);
555 free(tr);
556 free(mr);
557 } else if (je->m_iops[0] || je->m_iops[1] || je->m_iops[2] ||
558 je->t_iops[0] || je->t_iops[1] || je->t_iops[2]) {
559 p += sprintf(p, ", %d-%d IOPS",
560 je->m_iops[0] + je->m_iops[1] + je->m_iops[2],
561 je->t_iops[0] + je->t_iops[1] + je->t_iops[2]);
562 }
563
564 /* current run string, % done, bandwidth, iops, eta */
565 if (je->eta_sec != INT_MAX && je->nr_running) {
566 char perc_str[32];
567 char *iops_str[DDIR_RWDIR_CNT];
568 char *rate_str[DDIR_RWDIR_CNT];
569 size_t left;
570 int l;
571 int ddir;
572 int linelen;
573
574 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running ||
575 je->eta_sec == -1)
576 strcpy(perc_str, "-.-%");
577 else {
578 double mult = 100.0;
579
580 if (je->nr_setting_up && je->nr_running)
581 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
582
583 eta_good = 1;
584 perc *= mult;
585 sprintf(perc_str, "%3.1f%%", perc);
586 }
587
588 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
589 rate_str[ddir] = num2str(je->rate[ddir], 4,
590 1024, je->is_pow2, je->unit_base);
591 iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, N2S_NONE);
592 }
593
594 left = sizeof(output) - (p - output) - 1;
595
596 if (je->rate[DDIR_TRIM] || je->iops[DDIR_TRIM])
597 l = snprintf(p, left,
598 ": [%s][%s][r=%s,w=%s,t=%s][r=%s,w=%s,t=%s IOPS][eta %s]",
599 je->run_str, perc_str, rate_str[DDIR_READ],
600 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
601 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
602 iops_str[DDIR_TRIM], eta_str);
603 else
604 l = snprintf(p, left,
605 ": [%s][%s][r=%s,w=%s][r=%s,w=%s IOPS][eta %s]",
606 je->run_str, perc_str,
607 rate_str[DDIR_READ], rate_str[DDIR_WRITE],
608 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
609 eta_str);
610 /* If truncation occurred adjust l so p is on the null */
611 if (l >= left)
612 l = left - 1;
613 p += l;
614 linelen = p - output;
615 if (l >= 0 && linelen < linelen_last)
616 p += sprintf(p, "%*s", linelen_last - linelen, "");
617 linelen_last = linelen;
618
619 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
620 free(rate_str[ddir]);
621 free(iops_str[ddir]);
622 }
623 }
624 sprintf(p, "\r");
625
626 printf("%s", output);
627
628 if (!eta_new_line_init) {
629 fio_gettime(&disp_eta_new_line, NULL);
630 eta_new_line_init = 1;
631 } else if (eta_new_line && mtime_since_now(&disp_eta_new_line) > eta_new_line) {
632 fio_gettime(&disp_eta_new_line, NULL);
633 eta_new_line_pending = 1;
634 }
635
636 fflush(stdout);
637}
638
639struct jobs_eta *get_jobs_eta(bool force, size_t *size)
640{
641 struct jobs_eta *je;
642
643 if (!thread_number)
644 return NULL;
645
646 *size = sizeof(*je) + THREAD_RUNSTR_SZ + 8;
647 je = malloc(*size);
648 if (!je)
649 return NULL;
650 memset(je, 0, *size);
651
652 if (!calc_thread_status(je, force)) {
653 free(je);
654 return NULL;
655 }
656
657 *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
658 return je;
659}
660
661void print_thread_status(void)
662{
663 struct jobs_eta *je;
664 size_t size;
665
666 je = get_jobs_eta(false, &size);
667 if (je)
668 display_thread_status(je);
669
670 free(je);
671}
672
673void print_status_init(int thr_number)
674{
675 DRD_IGNORE_VAR(__run_str);
676 __run_str[thr_number] = 'P';
677 update_condensed_str(__run_str, run_str);
678}