Improve latency_target runs
[fio.git] / eta.c
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CommitLineData
1/*
2 * Status and ETA code
3 */
4#include <unistd.h>
5#include <fcntl.h>
6#include <string.h>
7
8#include "fio.h"
9
10static char run_str[REAL_MAX_JOBS + 1];
11
12/*
13 * Sets the status of the 'td' in the printed status map.
14 */
15static void check_str_update(struct thread_data *td)
16{
17 char c = run_str[td->thread_number - 1];
18
19 switch (td->runstate) {
20 case TD_REAPED:
21 if (td->error)
22 c = 'X';
23 else if (td->sig)
24 c = 'K';
25 else
26 c = '_';
27 break;
28 case TD_EXITED:
29 c = 'E';
30 break;
31 case TD_RAMP:
32 c = '/';
33 break;
34 case TD_RUNNING:
35 if (td_rw(td)) {
36 if (td_random(td)) {
37 if (td->o.rwmix[DDIR_READ] == 100)
38 c = 'r';
39 else if (td->o.rwmix[DDIR_WRITE] == 100)
40 c = 'w';
41 else
42 c = 'm';
43 } else {
44 if (td->o.rwmix[DDIR_READ] == 100)
45 c = 'R';
46 else if (td->o.rwmix[DDIR_WRITE] == 100)
47 c = 'W';
48 else
49 c = 'M';
50 }
51 } else if (td_read(td)) {
52 if (td_random(td))
53 c = 'r';
54 else
55 c = 'R';
56 } else if (td_write(td)) {
57 if (td_random(td))
58 c = 'w';
59 else
60 c = 'W';
61 } else {
62 if (td_random(td))
63 c = 'd';
64 else
65 c = 'D';
66 }
67 break;
68 case TD_PRE_READING:
69 c = 'p';
70 break;
71 case TD_VERIFYING:
72 c = 'V';
73 break;
74 case TD_FSYNCING:
75 c = 'F';
76 break;
77 case TD_CREATED:
78 c = 'C';
79 break;
80 case TD_INITIALIZED:
81 case TD_SETTING_UP:
82 c = 'I';
83 break;
84 case TD_NOT_CREATED:
85 c = 'P';
86 break;
87 default:
88 log_err("state %d\n", td->runstate);
89 }
90
91 run_str[td->thread_number - 1] = c;
92}
93
94/*
95 * Convert seconds to a printable string.
96 */
97void eta_to_str(char *str, unsigned long eta_sec)
98{
99 unsigned int d, h, m, s;
100 int disp_hour = 0;
101
102 s = eta_sec % 60;
103 eta_sec /= 60;
104 m = eta_sec % 60;
105 eta_sec /= 60;
106 h = eta_sec % 24;
107 eta_sec /= 24;
108 d = eta_sec;
109
110 if (d) {
111 disp_hour = 1;
112 str += sprintf(str, "%02ud:", d);
113 }
114
115 if (h || disp_hour)
116 str += sprintf(str, "%02uh:", h);
117
118 str += sprintf(str, "%02um:", m);
119 str += sprintf(str, "%02us", s);
120}
121
122/*
123 * Best effort calculation of the estimated pending runtime of a job.
124 */
125static int thread_eta(struct thread_data *td)
126{
127 unsigned long long bytes_total, bytes_done;
128 unsigned long eta_sec = 0;
129 unsigned long elapsed;
130
131 elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
132
133 bytes_total = td->total_io_size;
134
135 if (td->o.fill_device && td->o.size == -1ULL) {
136 if (!td->fill_device_size || td->fill_device_size == -1ULL)
137 return 0;
138
139 bytes_total = td->fill_device_size;
140 }
141
142 if (td->o.zone_size && td->o.zone_skip && bytes_total) {
143 unsigned int nr_zones;
144 uint64_t zone_bytes;
145
146 zone_bytes = bytes_total + td->o.zone_size + td->o.zone_skip;
147 nr_zones = (zone_bytes - 1) / (td->o.zone_size + td->o.zone_skip);
148 bytes_total -= nr_zones * td->o.zone_skip;
149 }
150
151 /*
152 * if writing and verifying afterwards, bytes_total will be twice the
153 * size. In a mixed workload, verify phase will be the size of the
154 * first stage writes.
155 */
156 if (td->o.do_verify && td->o.verify && td_write(td)) {
157 if (td_rw(td)) {
158 unsigned int perc = 50;
159
160 if (td->o.rwmix[DDIR_WRITE])
161 perc = td->o.rwmix[DDIR_WRITE];
162
163 bytes_total += (bytes_total * perc) / 100;
164 } else
165 bytes_total <<= 1;
166 }
167
168 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
169 double perc, perc_t;
170
171 bytes_done = ddir_rw_sum(td->io_bytes);
172 perc = (double) bytes_done / (double) bytes_total;
173 if (perc > 1.0)
174 perc = 1.0;
175
176 if (td->o.time_based) {
177 perc_t = (double) elapsed /
178 (double) (td->o.timeout / 1000);
179 if (perc_t < perc)
180 perc = perc_t;
181 }
182
183 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
184
185 if (td->o.timeout &&
186 eta_sec > ( (td->o.timeout / 1000) + done_secs - elapsed))
187 eta_sec = (td->o.timeout / 1000) + done_secs
188 - elapsed;
189 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
190 || td->runstate == TD_INITIALIZED
191 || td->runstate == TD_SETTING_UP
192 || td->runstate == TD_RAMP
193 || td->runstate == TD_PRE_READING) {
194 int t_eta = 0, r_eta = 0;
195 unsigned long long rate_bytes;
196
197 /*
198 * We can only guess - assume it'll run the full timeout
199 * if given, otherwise assume it'll run at the specified rate.
200 */
201 if (td->o.timeout) {
202 t_eta = (td->o.timeout + td->o.start_delay +
203 td->o.ramp_time ) / 1000;
204
205 if (in_ramp_time(td)) {
206 unsigned long ramp_left;
207
208 ramp_left = mtime_since_now(&td->epoch);
209 ramp_left = (ramp_left + 999) / 1000;
210 if (ramp_left <= t_eta)
211 t_eta -= ramp_left;
212 }
213 }
214 rate_bytes = ddir_rw_sum(td->o.rate);
215 if (rate_bytes) {
216 r_eta = (bytes_total / 1024) / rate_bytes;
217 r_eta += td->o.start_delay / 1000;
218 }
219
220 if (r_eta && t_eta)
221 eta_sec = min(r_eta, t_eta);
222 else if (r_eta)
223 eta_sec = r_eta;
224 else if (t_eta)
225 eta_sec = t_eta;
226 else
227 eta_sec = 0;
228 } else {
229 /*
230 * thread is already done or waiting for fsync
231 */
232 eta_sec = 0;
233 }
234
235 return eta_sec;
236}
237
238static void calc_rate(int unified_rw_rep, unsigned long mtime,
239 unsigned long long *io_bytes,
240 unsigned long long *prev_io_bytes, unsigned int *rate)
241{
242 int i;
243
244 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
245 unsigned long long diff;
246
247 diff = io_bytes[i] - prev_io_bytes[i];
248 if (unified_rw_rep) {
249 rate[i] = 0;
250 rate[0] += ((1000 * diff) / mtime) / 1024;
251 } else
252 rate[i] = ((1000 * diff) / mtime) / 1024;
253
254 prev_io_bytes[i] = io_bytes[i];
255 }
256}
257
258static void calc_iops(int unified_rw_rep, unsigned long mtime,
259 unsigned long long *io_iops,
260 unsigned long long *prev_io_iops, unsigned int *iops)
261{
262 int i;
263
264 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
265 unsigned long long diff;
266
267 diff = io_iops[i] - prev_io_iops[i];
268 if (unified_rw_rep) {
269 iops[i] = 0;
270 iops[0] += (diff * 1000) / mtime;
271 } else
272 iops[i] = (diff * 1000) / mtime;
273
274 prev_io_iops[i] = io_iops[i];
275 }
276}
277
278/*
279 * Print status of the jobs we know about. This includes rate estimates,
280 * ETA, thread state, etc.
281 */
282int calc_thread_status(struct jobs_eta *je, int force)
283{
284 struct thread_data *td;
285 int i, unified_rw_rep;
286 unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
287 unsigned long long io_bytes[DDIR_RWDIR_CNT];
288 unsigned long long io_iops[DDIR_RWDIR_CNT];
289 struct timeval now;
290
291 static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
292 static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
293 static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
294 static struct timeval rate_prev_time, disp_prev_time;
295
296 if (!force) {
297 if (output_format != FIO_OUTPUT_NORMAL &&
298 f_out == stdout)
299 return 0;
300 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
301 return 0;
302
303 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
304 return 0;
305 }
306
307 if (!ddir_rw_sum(rate_io_bytes))
308 fill_start_time(&rate_prev_time);
309 if (!ddir_rw_sum(disp_io_bytes))
310 fill_start_time(&disp_prev_time);
311
312 eta_secs = malloc(thread_number * sizeof(unsigned long));
313 memset(eta_secs, 0, thread_number * sizeof(unsigned long));
314
315 je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
316
317 io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
318 io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
319 bw_avg_time = ULONG_MAX;
320 unified_rw_rep = 0;
321 for_each_td(td, i) {
322 unified_rw_rep += td->o.unified_rw_rep;
323 if (is_power_of_2(td->o.kb_base))
324 je->is_pow2 = 1;
325 je->unit_base = td->o.unit_base;
326 if (td->o.bw_avg_time < bw_avg_time)
327 bw_avg_time = td->o.bw_avg_time;
328 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
329 || td->runstate == TD_FSYNCING
330 || td->runstate == TD_PRE_READING) {
331 je->nr_running++;
332 if (td_read(td)) {
333 je->t_rate[0] += td->o.rate[DDIR_READ];
334 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
335 je->m_rate[0] += td->o.ratemin[DDIR_READ];
336 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
337 }
338 if (td_write(td)) {
339 je->t_rate[1] += td->o.rate[DDIR_WRITE];
340 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
341 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
342 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
343 }
344 if (td_trim(td)) {
345 je->t_rate[2] += td->o.rate[DDIR_TRIM];
346 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
347 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
348 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
349 }
350
351 je->files_open += td->nr_open_files;
352 } else if (td->runstate == TD_RAMP) {
353 je->nr_running++;
354 je->nr_ramp++;
355 } else if (td->runstate == TD_SETTING_UP) {
356 je->nr_running++;
357 je->nr_setting_up++;
358 } else if (td->runstate < TD_RUNNING)
359 je->nr_pending++;
360
361 if (je->elapsed_sec >= 3)
362 eta_secs[i] = thread_eta(td);
363 else
364 eta_secs[i] = INT_MAX;
365
366 check_str_update(td);
367
368 if (td->runstate > TD_SETTING_UP) {
369 int ddir;
370
371 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
372 if (unified_rw_rep) {
373 io_bytes[0] += td->io_bytes[ddir];
374 io_iops[0] += td->io_blocks[ddir];
375 } else {
376 io_bytes[ddir] += td->io_bytes[ddir];
377 io_iops[ddir] += td->io_blocks[ddir];
378 }
379 }
380 }
381 }
382
383 if (exitall_on_terminate)
384 je->eta_sec = INT_MAX;
385 else
386 je->eta_sec = 0;
387
388 for_each_td(td, i) {
389 if (exitall_on_terminate) {
390 if (eta_secs[i] < je->eta_sec)
391 je->eta_sec = eta_secs[i];
392 } else {
393 if (eta_secs[i] > je->eta_sec)
394 je->eta_sec = eta_secs[i];
395 }
396 }
397
398 free(eta_secs);
399
400 fio_gettime(&now, NULL);
401 rate_time = mtime_since(&rate_prev_time, &now);
402
403 if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
404 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
405 je->rate);
406 memcpy(&rate_prev_time, &now, sizeof(now));
407 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
408 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
409 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
410 }
411
412 disp_time = mtime_since(&disp_prev_time, &now);
413
414 /*
415 * Allow a little slack, the target is to print it every 1000 msecs
416 */
417 if (!force && disp_time < 900)
418 return 0;
419
420 calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
421 calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
422
423 memcpy(&disp_prev_time, &now, sizeof(now));
424
425 if (!force && !je->nr_running && !je->nr_pending)
426 return 0;
427
428 je->nr_threads = thread_number;
429 memcpy(je->run_str, run_str, thread_number * sizeof(char));
430 return 1;
431}
432
433void display_thread_status(struct jobs_eta *je)
434{
435 static struct timeval disp_eta_new_line;
436 static int eta_new_line_init, eta_new_line_pending;
437 static int linelen_last;
438 static int eta_good;
439 char output[REAL_MAX_JOBS + 512], *p = output;
440 char eta_str[128];
441 double perc = 0.0;
442
443 if (je->eta_sec != INT_MAX && je->elapsed_sec) {
444 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
445 eta_to_str(eta_str, je->eta_sec);
446 }
447
448 if (eta_new_line_pending) {
449 eta_new_line_pending = 0;
450 p += sprintf(p, "\n");
451 }
452
453 p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
454 if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
455 char *tr, *mr;
456
457 mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, je->is_pow2, 8);
458 tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, je->is_pow2, 8);
459 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
460 free(tr);
461 free(mr);
462 } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
463 p += sprintf(p, ", CR=%d/%d IOPS",
464 je->t_iops[0] + je->t_iops[1],
465 je->m_iops[0] + je->m_iops[1]);
466 }
467 if (je->eta_sec != INT_MAX && je->nr_running) {
468 char perc_str[32];
469 char *iops_str[DDIR_RWDIR_CNT];
470 char *rate_str[DDIR_RWDIR_CNT];
471 size_t left;
472 int l;
473 int ddir;
474
475 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
476 strcpy(perc_str, "-.-% done");
477 else {
478 double mult = 100.0;
479
480 if (je->nr_setting_up && je->nr_running)
481 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
482
483 eta_good = 1;
484 perc *= mult;
485 sprintf(perc_str, "%3.1f%% done", perc);
486 }
487
488 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
489 rate_str[ddir] = num2str(je->rate[ddir], 5,
490 1024, je->is_pow2, je->unit_base);
491 iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, 0);
492 }
493
494 left = sizeof(output) - (p - output) - 1;
495
496 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
497 je->run_str, perc_str, rate_str[DDIR_READ],
498 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
499 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
500 iops_str[DDIR_TRIM], eta_str);
501 p += l;
502 if (l >= 0 && l < linelen_last)
503 p += sprintf(p, "%*s", linelen_last - l, "");
504 linelen_last = l;
505
506 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
507 free(rate_str[ddir]);
508 free(iops_str[ddir]);
509 }
510 }
511 p += sprintf(p, "\r");
512
513 printf("%s", output);
514
515 if (!eta_new_line_init) {
516 fio_gettime(&disp_eta_new_line, NULL);
517 eta_new_line_init = 1;
518 } else if (eta_new_line &&
519 mtime_since_now(&disp_eta_new_line) > eta_new_line * 1000) {
520 fio_gettime(&disp_eta_new_line, NULL);
521 eta_new_line_pending = 1;
522 }
523
524 fflush(stdout);
525}
526
527void print_thread_status(void)
528{
529 struct jobs_eta *je;
530 size_t size;
531
532 if (!thread_number)
533 return;
534
535 size = sizeof(*je) + thread_number * sizeof(char) + 1;
536 je = malloc(size);
537 memset(je, 0, size);
538
539 if (calc_thread_status(je, 0))
540 display_thread_status(je);
541
542 free(je);
543}
544
545void print_status_init(int thr_number)
546{
547 run_str[thr_number] = 'P';
548}