Fio 3.34
[fio.git] / eta.c
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CommitLineData
1/*
2 * Status and ETA code
3 */
4#include <unistd.h>
5#include <string.h>
6#include <stdlib.h>
7#ifdef CONFIG_VALGRIND_DEV
8#include <valgrind/drd.h>
9#else
10#define DRD_IGNORE_VAR(x) do { } while (0)
11#endif
12
13#include "fio.h"
14#include "lib/pow2.h"
15
16static char __run_str[REAL_MAX_JOBS + 1];
17static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 1];
18
19static void update_condensed_str(char *rstr, char *run_str_condensed)
20{
21 if (*rstr) {
22 while (*rstr) {
23 int nr = 1;
24
25 *run_str_condensed++ = *rstr++;
26 while (*(rstr - 1) == *rstr) {
27 rstr++;
28 nr++;
29 }
30 run_str_condensed += sprintf(run_str_condensed, "(%u),", nr);
31 }
32 run_str_condensed--;
33 }
34 *run_str_condensed = '\0';
35}
36
37/*
38 * Sets the status of the 'td' in the printed status map.
39 */
40static void check_str_update(struct thread_data *td)
41{
42 char c = __run_str[td->thread_number - 1];
43
44 switch (td->runstate) {
45 case TD_REAPED:
46 if (td->error)
47 c = 'X';
48 else if (td->sig)
49 c = 'K';
50 else
51 c = '_';
52 break;
53 case TD_EXITED:
54 c = 'E';
55 break;
56 case TD_RAMP:
57 c = '/';
58 break;
59 case TD_RUNNING:
60 if (td_rw(td)) {
61 if (td_random(td)) {
62 if (td->o.rwmix[DDIR_READ] == 100)
63 c = 'r';
64 else if (td->o.rwmix[DDIR_WRITE] == 100)
65 c = 'w';
66 else
67 c = 'm';
68 } else {
69 if (td->o.rwmix[DDIR_READ] == 100)
70 c = 'R';
71 else if (td->o.rwmix[DDIR_WRITE] == 100)
72 c = 'W';
73 else
74 c = 'M';
75 }
76 } else if (td_read(td)) {
77 if (td_random(td))
78 c = 'r';
79 else
80 c = 'R';
81 } else if (td_write(td)) {
82 if (td_random(td))
83 c = 'w';
84 else
85 c = 'W';
86 } else {
87 if (td_random(td))
88 c = 'd';
89 else
90 c = 'D';
91 }
92 break;
93 case TD_PRE_READING:
94 c = 'p';
95 break;
96 case TD_VERIFYING:
97 c = 'V';
98 break;
99 case TD_FSYNCING:
100 c = 'F';
101 break;
102 case TD_FINISHING:
103 c = 'f';
104 break;
105 case TD_CREATED:
106 c = 'C';
107 break;
108 case TD_INITIALIZED:
109 case TD_SETTING_UP:
110 c = 'I';
111 break;
112 case TD_NOT_CREATED:
113 c = 'P';
114 break;
115 default:
116 log_err("state %d\n", td->runstate);
117 }
118
119 __run_str[td->thread_number - 1] = c;
120 update_condensed_str(__run_str, run_str);
121}
122
123/*
124 * Convert seconds to a printable string.
125 */
126void eta_to_str(char *str, unsigned long eta_sec)
127{
128 unsigned int d, h, m, s;
129 int disp_hour = 0;
130
131 if (eta_sec == -1) {
132 sprintf(str, "--");
133 return;
134 }
135
136 s = eta_sec % 60;
137 eta_sec /= 60;
138 m = eta_sec % 60;
139 eta_sec /= 60;
140 h = eta_sec % 24;
141 eta_sec /= 24;
142 d = eta_sec;
143
144 if (d) {
145 disp_hour = 1;
146 str += sprintf(str, "%02ud:", d);
147 }
148
149 if (h || disp_hour)
150 str += sprintf(str, "%02uh:", h);
151
152 str += sprintf(str, "%02um:", m);
153 sprintf(str, "%02us", s);
154}
155
156/*
157 * Best effort calculation of the estimated pending runtime of a job.
158 */
159static unsigned long thread_eta(struct thread_data *td)
160{
161 unsigned long long bytes_total, bytes_done;
162 unsigned long eta_sec = 0;
163 unsigned long elapsed;
164 uint64_t timeout;
165
166 elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
167 timeout = td->o.timeout / 1000000UL;
168
169 bytes_total = td->total_io_size;
170
171 if (td->flags & TD_F_NO_PROGRESS)
172 return -1;
173
174 if (td->o.fill_device && td->o.size == -1ULL) {
175 if (!td->fill_device_size || td->fill_device_size == -1ULL)
176 return 0;
177
178 bytes_total = td->fill_device_size;
179 }
180
181 /*
182 * If io_size is set, bytes_total is an exact value that does not need
183 * adjustment.
184 */
185 if (td->o.zone_size && td->o.zone_skip && bytes_total &&
186 !fio_option_is_set(&td->o, io_size)) {
187 unsigned int nr_zones;
188 uint64_t zone_bytes;
189
190 /*
191 * Calculate the upper bound of the number of zones that will
192 * be processed, including skipped bytes between zones. If this
193 * is larger than total_io_size (e.g. when --io_size or --size
194 * specify a small value), use the lower bound to avoid
195 * adjustments to a negative value that would result in a very
196 * large bytes_total and an incorrect eta.
197 */
198 zone_bytes = td->o.zone_size + td->o.zone_skip;
199 nr_zones = (bytes_total + zone_bytes - 1) / zone_bytes;
200 if (bytes_total < nr_zones * td->o.zone_skip)
201 nr_zones = bytes_total / zone_bytes;
202 bytes_total -= nr_zones * td->o.zone_skip;
203 }
204
205 /*
206 * if writing and verifying afterwards, bytes_total will be twice the
207 * size. In a mixed workload, verify phase will be the size of the
208 * first stage writes.
209 */
210 if (td->o.do_verify && td->o.verify && td_write(td)) {
211 if (td_rw(td)) {
212 unsigned int perc = 50;
213
214 if (td->o.rwmix[DDIR_WRITE])
215 perc = td->o.rwmix[DDIR_WRITE];
216
217 bytes_total += (bytes_total * perc) / 100;
218 } else
219 bytes_total <<= 1;
220 }
221
222 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
223 double perc, perc_t;
224
225 bytes_done = ddir_rw_sum(td->io_bytes);
226
227 if (bytes_total) {
228 perc = (double) bytes_done / (double) bytes_total;
229 if (perc > 1.0)
230 perc = 1.0;
231 } else
232 perc = 0.0;
233
234 if (td->o.time_based) {
235 if (timeout) {
236 perc_t = (double) elapsed / (double) timeout;
237 if (perc_t < perc)
238 perc = perc_t;
239 } else {
240 /*
241 * Will never hit, we can't have time_based
242 * without a timeout set.
243 */
244 perc = 0.0;
245 }
246 }
247
248 if (perc == 0.0) {
249 eta_sec = timeout;
250 } else {
251 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
252 }
253
254 if (td->o.timeout &&
255 eta_sec > (timeout + done_secs - elapsed))
256 eta_sec = timeout + done_secs - elapsed;
257 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
258 || td->runstate == TD_INITIALIZED
259 || td->runstate == TD_SETTING_UP
260 || td->runstate == TD_RAMP
261 || td->runstate == TD_PRE_READING) {
262 int64_t t_eta = 0, r_eta = 0;
263 unsigned long long rate_bytes;
264
265 /*
266 * We can only guess - assume it'll run the full timeout
267 * if given, otherwise assume it'll run at the specified rate.
268 */
269 if (td->o.timeout) {
270 uint64_t __timeout = td->o.timeout;
271 uint64_t start_delay = td->o.start_delay;
272 uint64_t ramp_time = td->o.ramp_time;
273
274 t_eta = __timeout + start_delay;
275 if (!td->ramp_time_over) {
276 t_eta += ramp_time;
277 }
278 t_eta /= 1000000ULL;
279
280 if ((td->runstate == TD_RAMP) && in_ramp_time(td)) {
281 unsigned long ramp_left;
282
283 ramp_left = mtime_since_now(&td->epoch);
284 ramp_left = (ramp_left + 999) / 1000;
285 if (ramp_left <= t_eta)
286 t_eta -= ramp_left;
287 }
288 }
289 rate_bytes = 0;
290 if (td_read(td))
291 rate_bytes = td->o.rate[DDIR_READ];
292 if (td_write(td))
293 rate_bytes += td->o.rate[DDIR_WRITE];
294 if (td_trim(td))
295 rate_bytes += td->o.rate[DDIR_TRIM];
296
297 if (rate_bytes) {
298 r_eta = bytes_total / rate_bytes;
299 r_eta += (td->o.start_delay / 1000000ULL);
300 }
301
302 if (r_eta && t_eta)
303 eta_sec = min(r_eta, t_eta);
304 else if (r_eta)
305 eta_sec = r_eta;
306 else if (t_eta)
307 eta_sec = t_eta;
308 else
309 eta_sec = 0;
310 } else {
311 /*
312 * thread is already done or waiting for fsync
313 */
314 eta_sec = 0;
315 }
316
317 return eta_sec;
318}
319
320static void calc_rate(int unified_rw_rep, unsigned long mtime,
321 unsigned long long *io_bytes,
322 unsigned long long *prev_io_bytes, uint64_t *rate)
323{
324 int i;
325
326 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
327 unsigned long long diff, this_rate;
328
329 diff = io_bytes[i] - prev_io_bytes[i];
330 if (mtime)
331 this_rate = ((1000 * diff) / mtime) / 1024; /* KiB/s */
332 else
333 this_rate = 0;
334
335 if (unified_rw_rep == UNIFIED_MIXED) {
336 rate[i] = 0;
337 rate[0] += this_rate;
338 } else
339 rate[i] = this_rate;
340
341 prev_io_bytes[i] = io_bytes[i];
342 }
343}
344
345static void calc_iops(int unified_rw_rep, unsigned long mtime,
346 unsigned long long *io_iops,
347 unsigned long long *prev_io_iops, unsigned int *iops)
348{
349 int i;
350
351 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
352 unsigned long long diff, this_iops;
353
354 diff = io_iops[i] - prev_io_iops[i];
355 if (mtime)
356 this_iops = (diff * 1000) / mtime;
357 else
358 this_iops = 0;
359
360 if (unified_rw_rep == UNIFIED_MIXED) {
361 iops[i] = 0;
362 iops[0] += this_iops;
363 } else
364 iops[i] = this_iops;
365
366 prev_io_iops[i] = io_iops[i];
367 }
368}
369
370/*
371 * Allow a little slack - if we're within 95% of the time, allow ETA.
372 */
373bool eta_time_within_slack(unsigned int time)
374{
375 return time > ((eta_interval_msec * 95) / 100);
376}
377
378/*
379 * Print status of the jobs we know about. This includes rate estimates,
380 * ETA, thread state, etc.
381 */
382bool calc_thread_status(struct jobs_eta *je, int force)
383{
384 int unified_rw_rep;
385 bool any_td_in_ramp;
386 uint64_t rate_time, disp_time, bw_avg_time, *eta_secs;
387 unsigned long long io_bytes[DDIR_RWDIR_CNT] = {};
388 unsigned long long io_iops[DDIR_RWDIR_CNT] = {};
389 struct timespec now;
390
391 static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
392 static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
393 static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
394 static struct timespec rate_prev_time, disp_prev_time;
395
396 if (!force) {
397 if (!(output_format & FIO_OUTPUT_NORMAL) &&
398 f_out == stdout)
399 return false;
400 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
401 return false;
402
403 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
404 return false;
405 }
406
407 if (!ddir_rw_sum(rate_io_bytes))
408 fill_start_time(&rate_prev_time);
409 if (!ddir_rw_sum(disp_io_bytes))
410 fill_start_time(&disp_prev_time);
411
412 eta_secs = malloc(thread_number * sizeof(uint64_t));
413 memset(eta_secs, 0, thread_number * sizeof(uint64_t));
414
415 je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
416
417 bw_avg_time = ULONG_MAX;
418 unified_rw_rep = 0;
419 for_each_td(td) {
420 unified_rw_rep += td->o.unified_rw_rep;
421 if (is_power_of_2(td->o.kb_base))
422 je->is_pow2 = 1;
423 je->unit_base = td->o.unit_base;
424 je->sig_figs = td->o.sig_figs;
425 if (td->o.bw_avg_time < bw_avg_time)
426 bw_avg_time = td->o.bw_avg_time;
427 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
428 || td->runstate == TD_FSYNCING
429 || td->runstate == TD_PRE_READING
430 || td->runstate == TD_FINISHING) {
431 je->nr_running++;
432 if (td_read(td)) {
433 je->t_rate[0] += td->o.rate[DDIR_READ];
434 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
435 je->m_rate[0] += td->o.ratemin[DDIR_READ];
436 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
437 }
438 if (td_write(td)) {
439 je->t_rate[1] += td->o.rate[DDIR_WRITE];
440 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
441 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
442 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
443 }
444 if (td_trim(td)) {
445 je->t_rate[2] += td->o.rate[DDIR_TRIM];
446 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
447 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
448 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
449 }
450
451 je->files_open += td->nr_open_files;
452 } else if (td->runstate == TD_RAMP) {
453 je->nr_running++;
454 je->nr_ramp++;
455 } else if (td->runstate == TD_SETTING_UP)
456 je->nr_setting_up++;
457 else if (td->runstate < TD_RUNNING)
458 je->nr_pending++;
459
460 if (je->elapsed_sec >= 3)
461 eta_secs[__td_index] = thread_eta(td);
462 else
463 eta_secs[__td_index] = INT_MAX;
464
465 check_str_update(td);
466
467 if (td->runstate > TD_SETTING_UP) {
468 int ddir;
469
470 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
471 if (unified_rw_rep) {
472 io_bytes[0] += td->io_bytes[ddir];
473 io_iops[0] += td->io_blocks[ddir];
474 } else {
475 io_bytes[ddir] += td->io_bytes[ddir];
476 io_iops[ddir] += td->io_blocks[ddir];
477 }
478 }
479 }
480 } end_for_each();
481
482 if (exitall_on_terminate) {
483 je->eta_sec = INT_MAX;
484 for_each_td_index() {
485 if (eta_secs[__td_index] < je->eta_sec)
486 je->eta_sec = eta_secs[__td_index];
487 } end_for_each();
488 } else {
489 unsigned long eta_stone = 0;
490
491 je->eta_sec = 0;
492 for_each_td(td) {
493 if ((td->runstate == TD_NOT_CREATED) && td->o.stonewall)
494 eta_stone += eta_secs[__td_index];
495 else {
496 if (eta_secs[__td_index] > je->eta_sec)
497 je->eta_sec = eta_secs[__td_index];
498 }
499 } end_for_each();
500 je->eta_sec += eta_stone;
501 }
502
503 free(eta_secs);
504
505 fio_gettime(&now, NULL);
506 rate_time = mtime_since(&rate_prev_time, &now);
507
508 any_td_in_ramp = false;
509 for_each_td(td) {
510 any_td_in_ramp |= in_ramp_time(td);
511 } end_for_each();
512 if (write_bw_log && rate_time > bw_avg_time && !any_td_in_ramp) {
513 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
514 je->rate);
515 memcpy(&rate_prev_time, &now, sizeof(now));
516 regrow_agg_logs();
517 for_each_rw_ddir(ddir) {
518 add_agg_sample(sample_val(je->rate[ddir]), ddir, 0);
519 }
520 }
521
522 disp_time = mtime_since(&disp_prev_time, &now);
523
524 if (!force && !eta_time_within_slack(disp_time))
525 return false;
526
527 calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
528 calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
529
530 memcpy(&disp_prev_time, &now, sizeof(now));
531
532 if (!force && !je->nr_running && !je->nr_pending)
533 return false;
534
535 je->nr_threads = thread_number;
536 update_condensed_str(__run_str, run_str);
537 memcpy(je->run_str, run_str, strlen(run_str));
538 return true;
539}
540
541static int gen_eta_str(struct jobs_eta *je, char *p, size_t left,
542 char **rate_str, char **iops_str)
543{
544 static const char c[DDIR_RWDIR_CNT] = {'r', 'w', 't'};
545 bool has[DDIR_RWDIR_CNT];
546 bool has_any = false;
547 const char *sep;
548 int l = 0;
549
550 for_each_rw_ddir(ddir) {
551 has[ddir] = (je->rate[ddir] || je->iops[ddir]);
552 has_any |= has[ddir];
553 }
554 if (!has_any)
555 return 0;
556
557 l += snprintf(p + l, left - l, "[");
558 sep = "";
559 for_each_rw_ddir(ddir) {
560 if (has[ddir]) {
561 l += snprintf(p + l, left - l, "%s%c=%s",
562 sep, c[ddir], rate_str[ddir]);
563 sep = ",";
564 }
565 }
566 l += snprintf(p + l, left - l, "][");
567 sep = "";
568 for_each_rw_ddir(ddir) {
569 if (has[ddir]) {
570 l += snprintf(p + l, left - l, "%s%c=%s",
571 sep, c[ddir], iops_str[ddir]);
572 sep = ",";
573 }
574 }
575 l += snprintf(p + l, left - l, " IOPS]");
576
577 return l;
578}
579
580void display_thread_status(struct jobs_eta *je)
581{
582 static struct timespec disp_eta_new_line;
583 static int eta_new_line_init, eta_new_line_pending;
584 static int linelen_last;
585 static int eta_good;
586 char output[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 512], *p = output;
587 char eta_str[128];
588 double perc = 0.0;
589
590 if (je->eta_sec != INT_MAX && je->elapsed_sec) {
591 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
592 eta_to_str(eta_str, je->eta_sec);
593 }
594
595 if (eta_new_line_pending) {
596 eta_new_line_pending = 0;
597 linelen_last = 0;
598 p += sprintf(p, "\n");
599 }
600
601 p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
602
603 /* rate limits, if any */
604 if (je->m_rate[0] || je->m_rate[1] || je->m_rate[2] ||
605 je->t_rate[0] || je->t_rate[1] || je->t_rate[2]) {
606 char *tr, *mr;
607
608 mr = num2str(je->m_rate[0] + je->m_rate[1] + je->m_rate[2],
609 je->sig_figs, 1, je->is_pow2, N2S_BYTEPERSEC);
610 tr = num2str(je->t_rate[0] + je->t_rate[1] + je->t_rate[2],
611 je->sig_figs, 1, je->is_pow2, N2S_BYTEPERSEC);
612
613 p += sprintf(p, ", %s-%s", mr, tr);
614 free(tr);
615 free(mr);
616 } else if (je->m_iops[0] || je->m_iops[1] || je->m_iops[2] ||
617 je->t_iops[0] || je->t_iops[1] || je->t_iops[2]) {
618 p += sprintf(p, ", %d-%d IOPS",
619 je->m_iops[0] + je->m_iops[1] + je->m_iops[2],
620 je->t_iops[0] + je->t_iops[1] + je->t_iops[2]);
621 }
622
623 /* current run string, % done, bandwidth, iops, eta */
624 if (je->eta_sec != INT_MAX && je->nr_running) {
625 char perc_str[32];
626 char *iops_str[DDIR_RWDIR_CNT];
627 char *rate_str[DDIR_RWDIR_CNT];
628 size_t left;
629 int l;
630 int ddir;
631 int linelen;
632
633 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running ||
634 je->eta_sec == -1)
635 strcpy(perc_str, "-.-%");
636 else {
637 double mult = 100.0;
638
639 if (je->nr_setting_up && je->nr_running)
640 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
641
642 eta_good = 1;
643 perc *= mult;
644 sprintf(perc_str, "%3.1f%%", perc);
645 }
646
647 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
648 rate_str[ddir] = num2str(je->rate[ddir], 4,
649 1024, je->is_pow2, je->unit_base);
650 iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, N2S_NONE);
651 }
652
653 left = sizeof(output) - (p - output) - 1;
654 l = snprintf(p, left, ": [%s][%s]", je->run_str, perc_str);
655 l += gen_eta_str(je, p + l, left - l, rate_str, iops_str);
656 l += snprintf(p + l, left - l, "[eta %s]", eta_str);
657
658 /* If truncation occurred adjust l so p is on the null */
659 if (l >= left)
660 l = left - 1;
661 p += l;
662 linelen = p - output;
663 if (l >= 0 && linelen < linelen_last)
664 p += sprintf(p, "%*s", linelen_last - linelen, "");
665 linelen_last = linelen;
666
667 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
668 free(rate_str[ddir]);
669 free(iops_str[ddir]);
670 }
671 }
672 sprintf(p, "\r");
673
674 printf("%s", output);
675
676 if (!eta_new_line_init) {
677 fio_gettime(&disp_eta_new_line, NULL);
678 eta_new_line_init = 1;
679 } else if (eta_new_line && mtime_since_now(&disp_eta_new_line) > eta_new_line) {
680 fio_gettime(&disp_eta_new_line, NULL);
681 eta_new_line_pending = 1;
682 }
683
684 fflush(stdout);
685}
686
687struct jobs_eta *get_jobs_eta(bool force, size_t *size)
688{
689 struct jobs_eta *je;
690
691 if (!thread_number)
692 return NULL;
693
694 *size = sizeof(*je) + THREAD_RUNSTR_SZ + 8;
695 je = malloc(*size);
696 if (!je)
697 return NULL;
698 memset(je, 0, *size);
699
700 if (!calc_thread_status(je, force)) {
701 free(je);
702 return NULL;
703 }
704
705 *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
706 return je;
707}
708
709void print_thread_status(void)
710{
711 struct jobs_eta *je;
712 size_t size;
713
714 je = get_jobs_eta(false, &size);
715 if (je) {
716 display_thread_status(je);
717 free(je);
718 }
719}
720
721void print_status_init(int thr_number)
722{
723 struct jobs_eta_packed jep;
724
725 compiletime_assert(sizeof(struct jobs_eta) == sizeof(jep), "jobs_eta");
726
727 DRD_IGNORE_VAR(__run_str);
728 __run_str[thr_number] = 'P';
729 update_condensed_str(__run_str, run_str);
730}