docs: move rate_cycle description
[fio.git] / eta.c
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
16 static char __run_str[REAL_MAX_JOBS + 1];
17 static char run_str[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 1];
18
19 static 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  */
40 static 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  */
126 void 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  */
159 static 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
320 static 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
345 static 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  */
373 bool 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  */
382 bool 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 = calloc(thread_number, sizeof(uint64_t));
413
414         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
415
416         bw_avg_time = ULONG_MAX;
417         unified_rw_rep = 0;
418         for_each_td(td) {
419                 unified_rw_rep += td->o.unified_rw_rep;
420                 if (is_power_of_2(td->o.kb_base))
421                         je->is_pow2 = 1;
422                 je->unit_base = td->o.unit_base;
423                 je->sig_figs = td->o.sig_figs;
424                 if (td->o.bw_avg_time < bw_avg_time)
425                         bw_avg_time = td->o.bw_avg_time;
426                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
427                     || td->runstate == TD_FSYNCING
428                     || td->runstate == TD_PRE_READING
429                     || td->runstate == TD_FINISHING) {
430                         je->nr_running++;
431                         if (td_read(td)) {
432                                 je->t_rate[0] += td->o.rate[DDIR_READ];
433                                 je->t_iops[0] += td->o.rate_iops[DDIR_READ];
434                                 je->m_rate[0] += td->o.ratemin[DDIR_READ];
435                                 je->m_iops[0] += td->o.rate_iops_min[DDIR_READ];
436                         }
437                         if (td_write(td)) {
438                                 je->t_rate[1] += td->o.rate[DDIR_WRITE];
439                                 je->t_iops[1] += td->o.rate_iops[DDIR_WRITE];
440                                 je->m_rate[1] += td->o.ratemin[DDIR_WRITE];
441                                 je->m_iops[1] += td->o.rate_iops_min[DDIR_WRITE];
442                         }
443                         if (td_trim(td)) {
444                                 je->t_rate[2] += td->o.rate[DDIR_TRIM];
445                                 je->t_iops[2] += td->o.rate_iops[DDIR_TRIM];
446                                 je->m_rate[2] += td->o.ratemin[DDIR_TRIM];
447                                 je->m_iops[2] += td->o.rate_iops_min[DDIR_TRIM];
448                         }
449
450                         je->files_open += td->nr_open_files;
451                 } else if (td->runstate == TD_RAMP) {
452                         je->nr_running++;
453                         je->nr_ramp++;
454                 } else if (td->runstate == TD_SETTING_UP)
455                         je->nr_setting_up++;
456                 else if (td->runstate < TD_RUNNING)
457                         je->nr_pending++;
458
459                 if (je->elapsed_sec >= 3)
460                         eta_secs[__td_index] = thread_eta(td);
461                 else
462                         eta_secs[__td_index] = INT_MAX;
463
464                 check_str_update(td);
465
466                 if (td->runstate > TD_SETTING_UP) {
467                         int ddir;
468
469                         for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
470                                 if (unified_rw_rep) {
471                                         io_bytes[0] += td->io_bytes[ddir];
472                                         io_iops[0] += td->io_blocks[ddir];
473                                 } else {
474                                         io_bytes[ddir] += td->io_bytes[ddir];
475                                         io_iops[ddir] += td->io_blocks[ddir];
476                                 }
477                         }
478                 }
479         } end_for_each();
480
481         if (exitall_on_terminate) {
482                 je->eta_sec = INT_MAX;
483                 for_each_td_index() {
484                         if (eta_secs[__td_index] < je->eta_sec)
485                                 je->eta_sec = eta_secs[__td_index];
486                 } end_for_each();
487         } else {
488                 unsigned long eta_stone = 0;
489
490                 je->eta_sec = 0;
491                 for_each_td(td) {
492                         if ((td->runstate == TD_NOT_CREATED) && td->o.stonewall)
493                                 eta_stone += eta_secs[__td_index];
494                         else {
495                                 if (eta_secs[__td_index] > je->eta_sec)
496                                         je->eta_sec = eta_secs[__td_index];
497                         }
498                 } end_for_each();
499                 je->eta_sec += eta_stone;
500         }
501
502         free(eta_secs);
503
504         fio_gettime(&now, NULL);
505         rate_time = mtime_since(&rate_prev_time, &now);
506
507         any_td_in_ramp = false;
508         for_each_td(td) {
509                 any_td_in_ramp |= in_ramp_time(td);
510         } end_for_each();
511         if (write_bw_log && rate_time > bw_avg_time && !any_td_in_ramp) {
512                 calc_rate(unified_rw_rep, rate_time, io_bytes, rate_io_bytes,
513                                 je->rate);
514                 memcpy(&rate_prev_time, &now, sizeof(now));
515                 regrow_agg_logs();
516                 for_each_rw_ddir(ddir) {
517                         add_agg_sample(sample_val(je->rate[ddir]), ddir, 0);
518                 }
519         }
520
521         disp_time = mtime_since(&disp_prev_time, &now);
522
523         if (!force && !eta_time_within_slack(disp_time))
524                 return false;
525
526         calc_rate(unified_rw_rep, disp_time, io_bytes, disp_io_bytes, je->rate);
527         calc_iops(unified_rw_rep, disp_time, io_iops, disp_io_iops, je->iops);
528
529         memcpy(&disp_prev_time, &now, sizeof(now));
530
531         if (!force && !je->nr_running && !je->nr_pending)
532                 return false;
533
534         je->nr_threads = thread_number;
535         update_condensed_str(__run_str, run_str);
536         memcpy(je->run_str, run_str, strlen(run_str));
537         return true;
538 }
539
540 static int gen_eta_str(struct jobs_eta *je, char *p, size_t left,
541                        char **rate_str, char **iops_str)
542 {
543         static const char c[DDIR_RWDIR_CNT] = {'r', 'w', 't'};
544         bool has[DDIR_RWDIR_CNT];
545         bool has_any = false;
546         const char *sep;
547         int l = 0;
548
549         for_each_rw_ddir(ddir) {
550                 has[ddir] = (je->rate[ddir] || je->iops[ddir]);
551                 has_any |= has[ddir];
552         }
553         if (!has_any)
554                 return 0;
555
556         l += snprintf(p + l, left - l, "[");
557         sep = "";
558         for_each_rw_ddir(ddir) {
559                 if (has[ddir]) {
560                         l += snprintf(p + l, left - l, "%s%c=%s",
561                                         sep, c[ddir], rate_str[ddir]);
562                         sep = ",";
563                 }
564         }
565         l += snprintf(p + l, left - l, "][");
566         sep = "";
567         for_each_rw_ddir(ddir) {
568                 if (has[ddir]) {
569                         l += snprintf(p + l, left - l, "%s%c=%s",
570                                         sep, c[ddir], iops_str[ddir]);
571                         sep = ",";
572                 }
573         }
574         l += snprintf(p + l, left - l, " IOPS]");
575
576         return l;
577 }
578
579 void display_thread_status(struct jobs_eta *je)
580 {
581         static struct timespec disp_eta_new_line;
582         static int eta_new_line_init, eta_new_line_pending;
583         static int linelen_last;
584         static int eta_good;
585         char output[__THREAD_RUNSTR_SZ(REAL_MAX_JOBS) + 512], *p = output;
586         char eta_str[128];
587         double perc = 0.0;
588
589         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
590                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
591                 eta_to_str(eta_str, je->eta_sec);
592         }
593
594         if (eta_new_line_pending) {
595                 eta_new_line_pending = 0;
596                 linelen_last = 0;
597                 p += sprintf(p, "\n");
598         }
599
600         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
601
602         /* rate limits, if any */
603         if (je->m_rate[0] || je->m_rate[1] || je->m_rate[2] ||
604             je->t_rate[0] || je->t_rate[1] || je->t_rate[2]) {
605                 char *tr, *mr;
606
607                 mr = num2str(je->m_rate[0] + je->m_rate[1] + je->m_rate[2],
608                                 je->sig_figs, 1, je->is_pow2, N2S_BYTEPERSEC);
609                 tr = num2str(je->t_rate[0] + je->t_rate[1] + je->t_rate[2],
610                                 je->sig_figs, 1, je->is_pow2, N2S_BYTEPERSEC);
611
612                 p += sprintf(p, ", %s-%s", mr, tr);
613                 free(tr);
614                 free(mr);
615         } else if (je->m_iops[0] || je->m_iops[1] || je->m_iops[2] ||
616                    je->t_iops[0] || je->t_iops[1] || je->t_iops[2]) {
617                 p += sprintf(p, ", %d-%d IOPS",
618                                         je->m_iops[0] + je->m_iops[1] + je->m_iops[2],
619                                         je->t_iops[0] + je->t_iops[1] + je->t_iops[2]);
620         }
621
622         /* current run string, % done, bandwidth, iops, eta */
623         if (je->eta_sec != INT_MAX && je->nr_running) {
624                 char perc_str[32];
625                 char *iops_str[DDIR_RWDIR_CNT];
626                 char *rate_str[DDIR_RWDIR_CNT];
627                 size_t left;
628                 int l;
629                 int ddir;
630                 int linelen;
631
632                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running ||
633                     je->eta_sec == -1)
634                         strcpy(perc_str, "-.-%");
635                 else {
636                         double mult = 100.0;
637
638                         if (je->nr_setting_up && je->nr_running)
639                                 mult *= (1.0 - (double) je->nr_setting_up / (double) je->nr_running);
640
641                         eta_good = 1;
642                         perc *= mult;
643                         sprintf(perc_str, "%3.1f%%", perc);
644                 }
645
646                 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
647                         rate_str[ddir] = num2str(je->rate[ddir], 4,
648                                                 1024, je->is_pow2, je->unit_base);
649                         iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0, N2S_NONE);
650                 }
651
652                 left = sizeof(output) - (p - output) - 1;
653                 l = snprintf(p, left, ": [%s][%s]", je->run_str, perc_str);
654                 l += gen_eta_str(je, p + l, left - l, rate_str, iops_str);
655                 l += snprintf(p + l, left - l, "[eta %s]", eta_str);
656
657                 /* If truncation occurred adjust l so p is on the null */
658                 if (l >= left)
659                         l = left - 1;
660                 p += l;
661                 linelen = p - output;
662                 if (l >= 0 && linelen < linelen_last)
663                         p += sprintf(p, "%*s", linelen_last - linelen, "");
664                 linelen_last = linelen;
665
666                 for (ddir = 0; ddir < DDIR_RWDIR_CNT; ddir++) {
667                         free(rate_str[ddir]);
668                         free(iops_str[ddir]);
669                 }
670         }
671         sprintf(p, "\r");
672
673         printf("%s", output);
674
675         if (!eta_new_line_init) {
676                 fio_gettime(&disp_eta_new_line, NULL);
677                 eta_new_line_init = 1;
678         } else if (eta_new_line && mtime_since_now(&disp_eta_new_line) > eta_new_line) {
679                 fio_gettime(&disp_eta_new_line, NULL);
680                 eta_new_line_pending = 1;
681         }
682
683         fflush(stdout);
684 }
685
686 struct jobs_eta *get_jobs_eta(bool force, size_t *size)
687 {
688         struct jobs_eta *je;
689
690         if (!thread_number)
691                 return NULL;
692
693         *size = sizeof(*je) + THREAD_RUNSTR_SZ + 8;
694         je = calloc(1, *size);
695         if (!je)
696                 return NULL;
697
698         if (!calc_thread_status(je, force)) {
699                 free(je);
700                 return NULL;
701         }
702
703         *size = sizeof(*je) + strlen((char *) je->run_str) + 1;
704         return je;
705 }
706
707 void print_thread_status(void)
708 {
709         struct jobs_eta *je;
710         size_t size;
711
712         je = get_jobs_eta(false, &size);
713         if (je) {
714                 display_thread_status(je);
715                 free(je);
716         }
717 }
718
719 void print_status_init(int thr_number)
720 {
721         struct jobs_eta_packed jep;
722
723         compiletime_assert(sizeof(struct jobs_eta) == sizeof(jep), "jobs_eta");
724
725         DRD_IGNORE_VAR(__run_str);
726         __run_str[thr_number] = 'P';
727         update_condensed_str(__run_str, run_str);
728 }