HOWTO: update to note base of latencies in minimal/terse output
[fio.git] / eta.c
CommitLineData
263e529f
JA
1/*
2 * Status and ETA code
3 */
4#include <unistd.h>
5#include <fcntl.h>
6#include <string.h>
7
8#include "fio.h"
263e529f 9
fca70358 10static char run_str[REAL_MAX_JOBS + 1];
263e529f
JA
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) {
5ec10eaa 20 case TD_REAPED:
4f7e57a4
JA
21 if (td->error)
22 c = 'X';
23 else
24 c = '_';
5ec10eaa
JA
25 break;
26 case TD_EXITED:
27 c = 'E';
28 break;
b29ee5b3
JA
29 case TD_RAMP:
30 c = '/';
31 break;
5ec10eaa
JA
32 case TD_RUNNING:
33 if (td_rw(td)) {
e3b3f81e
JA
34 if (td_random(td)) {
35 if (td->o.rwmix[DDIR_READ] == 100)
36 c = 'r';
37 else if (td->o.rwmix[DDIR_WRITE] == 100)
38 c = 'w';
39 else
40 c = 'm';
41 } else {
42 if (td->o.rwmix[DDIR_READ] == 100)
43 c = 'R';
44 else if (td->o.rwmix[DDIR_WRITE] == 100)
45 c = 'W';
46 else
47 c = 'M';
48 }
5ec10eaa
JA
49 } else if (td_read(td)) {
50 if (td_random(td))
51 c = 'r';
52 else
53 c = 'R';
54 } else {
55 if (td_random(td))
56 c = 'w';
57 else
58 c = 'W';
59 }
60 break;
b0f65863
JA
61 case TD_PRE_READING:
62 c = 'p';
63 break;
5ec10eaa
JA
64 case TD_VERIFYING:
65 c = 'V';
66 break;
67 case TD_FSYNCING:
68 c = 'F';
69 break;
70 case TD_CREATED:
71 c = 'C';
72 break;
73 case TD_INITIALIZED:
74 c = 'I';
75 break;
76 case TD_NOT_CREATED:
77 c = 'P';
78 break;
79 default:
80 log_err("state %d\n", td->runstate);
263e529f
JA
81 }
82
83 run_str[td->thread_number - 1] = c;
84}
85
86/*
87 * Convert seconds to a printable string.
88 */
9c02f6ef 89static void eta_to_str(char *str, unsigned long eta_sec)
263e529f
JA
90{
91 unsigned int d, h, m, s;
165faf16 92 int disp_hour = 0;
263e529f 93
263e529f
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94 s = eta_sec % 60;
95 eta_sec /= 60;
96 m = eta_sec % 60;
97 eta_sec /= 60;
98 h = eta_sec % 24;
99 eta_sec /= 24;
100 d = eta_sec;
101
165faf16
JA
102 if (d) {
103 disp_hour = 1;
1e97cce9 104 str += sprintf(str, "%02ud:", d);
263e529f 105 }
165faf16
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106
107 if (h || disp_hour)
1e97cce9 108 str += sprintf(str, "%02uh:", h);
263e529f 109
1e97cce9
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110 str += sprintf(str, "%02um:", m);
111 str += sprintf(str, "%02us", s);
263e529f
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112}
113
114/*
115 * Best effort calculation of the estimated pending runtime of a job.
116 */
b29ee5b3 117static int thread_eta(struct thread_data *td)
263e529f
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118{
119 unsigned long long bytes_total, bytes_done;
1e97cce9 120 unsigned long eta_sec = 0;
b29ee5b3
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121 unsigned long elapsed;
122
123 elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
263e529f
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124
125 bytes_total = td->total_io_size;
126
2e3bd4c2
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127 if (td->o.fill_device && td->o.size == -1ULL) {
128 if (!td->fill_device_size || td->fill_device_size == -1ULL)
129 return 0;
130
131 bytes_total = td->fill_device_size;
132 }
133
74939e38
JA
134 /*
135 * if writing, bytes_total will be twice the size. If mixing,
136 * assume a 50/50 split and thus bytes_total will be 50% larger.
137 */
0dd8377f 138 if (td->o.do_verify && td->o.verify && td_write(td)) {
74939e38
JA
139 if (td_rw(td))
140 bytes_total = bytes_total * 3 / 2;
141 else
142 bytes_total <<= 1;
143 }
144
2dc1bbeb
JA
145 if (td->o.zone_size && td->o.zone_skip)
146 bytes_total /= (td->o.zone_skip / td->o.zone_size);
263e529f
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147
148 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
cf4464ca 149 double perc, perc_t;
263e529f
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150
151 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
152 perc = (double) bytes_done / (double) bytes_total;
153 if (perc > 1.0)
154 perc = 1.0;
155
cf4464ca
JA
156 if (td->o.time_based) {
157 perc_t = (double) elapsed / (double) td->o.timeout;
158 if (perc_t < perc)
159 perc = perc_t;
160 }
161
1e97cce9 162 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
263e529f 163
d3eeeabc
JA
164 if (td->o.timeout &&
165 eta_sec > (td->o.timeout + done_secs - elapsed))
166 eta_sec = td->o.timeout + done_secs - elapsed;
263e529f 167 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
b29ee5b3 168 || td->runstate == TD_INITIALIZED
b0f65863
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169 || td->runstate == TD_RAMP
170 || td->runstate == TD_PRE_READING) {
263e529f
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171 int t_eta = 0, r_eta = 0;
172
173 /*
174 * We can only guess - assume it'll run the full timeout
175 * if given, otherwise assume it'll run at the specified rate.
176 */
b29ee5b3 177 if (td->o.timeout) {
cda99fa0
SSP
178 t_eta = td->o.timeout + td->o.start_delay +
179 td->o.ramp_time;
b29ee5b3
JA
180
181 if (in_ramp_time(td)) {
182 unsigned long ramp_left;
183
cda99fa0 184 ramp_left = mtime_since_now(&td->epoch);
b29ee5b3
JA
185 ramp_left = (ramp_left + 999) / 1000;
186 if (ramp_left <= t_eta)
187 t_eta -= ramp_left;
188 }
189 }
581e7141 190 if (td->o.rate[0] || td->o.rate[1]) {
0b9d69ec
JA
191 r_eta = (bytes_total / 1024) /
192 (td->o.rate[0] + td->o.rate[1]);
d3eeeabc 193 r_eta += td->o.start_delay;
263e529f
JA
194 }
195
196 if (r_eta && t_eta)
197 eta_sec = min(r_eta, t_eta);
198 else if (r_eta)
199 eta_sec = r_eta;
200 else if (t_eta)
201 eta_sec = t_eta;
202 else
203 eta_sec = 0;
204 } else {
205 /*
206 * thread is already done or waiting for fsync
207 */
208 eta_sec = 0;
209 }
210
211 return eta_sec;
212}
213
46fda8d0
JA
214static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
215 unsigned long long *prev_io_bytes, unsigned int *rate)
216{
217 rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
218 rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
219 prev_io_bytes[0] = io_bytes[0];
220 prev_io_bytes[1] = io_bytes[1];
221}
5ec10eaa 222
adb02ba8
JA
223static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
224 unsigned long long *prev_io_iops, unsigned int *iops)
225{
226 iops[0] = ((io_iops[0] - prev_io_iops[0]) * 1000) / mtime;
227 iops[1] = ((io_iops[1] - prev_io_iops[1]) * 1000) / mtime;
228 prev_io_iops[0] = io_iops[0];
229 prev_io_iops[1] = io_iops[1];
230}
231
263e529f
JA
232/*
233 * Print status of the jobs we know about. This includes rate estimates,
234 * ETA, thread state, etc.
235 */
af9c9fb3 236int calc_thread_status(struct jobs_eta *je, int force)
263e529f 237{
34572e28 238 struct thread_data *td;
b75a394f
JA
239 int i;
240 unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
241 unsigned long long io_bytes[2];
242 unsigned long long io_iops[2];
46fda8d0
JA
243 struct timeval now;
244
245 static unsigned long long rate_io_bytes[2];
246 static unsigned long long disp_io_bytes[2];
adb02ba8 247 static unsigned long long disp_io_iops[2];
46fda8d0 248 static struct timeval rate_prev_time, disp_prev_time;
d6978a32 249 int i2p = 0;
6043c579 250
af9c9fb3
JA
251 if (!force) {
252 if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
253 return 0;
e592a06b 254
af9c9fb3
JA
255 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
256 return 0;
257 }
263e529f 258
46fda8d0
JA
259 if (!rate_io_bytes[0] && !rate_io_bytes[1])
260 fill_start_time(&rate_prev_time);
261 if (!disp_io_bytes[0] && !disp_io_bytes[1])
262 fill_start_time(&disp_prev_time);
6043c579 263
d3eeeabc
JA
264 eta_secs = malloc(thread_number * sizeof(unsigned long));
265 memset(eta_secs, 0, thread_number * sizeof(unsigned long));
263e529f 266
b75a394f
JA
267 je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
268
6043c579 269 io_bytes[0] = io_bytes[1] = 0;
adb02ba8 270 io_iops[0] = io_iops[1] = 0;
bb3884d8 271 bw_avg_time = ULONG_MAX;
34572e28 272 for_each_td(td, i) {
2dc1bbeb
JA
273 if (td->o.bw_avg_time < bw_avg_time)
274 bw_avg_time = td->o.bw_avg_time;
46fda8d0 275 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
b0f65863
JA
276 || td->runstate == TD_FSYNCING
277 || td->runstate == TD_PRE_READING) {
b75a394f
JA
278 je->nr_running++;
279 je->t_rate += td->o.rate[0] + td->o.rate[1];
280 je->m_rate += td->o.ratemin[0] + td->o.ratemin[1];
281 je->t_iops += td->o.rate_iops[0] + td->o.rate_iops[1];
282 je->m_iops += td->o.rate_iops_min[0] +
0b9d69ec 283 td->o.rate_iops_min[1];
b75a394f 284 je->files_open += td->nr_open_files;
b29ee5b3 285 } else if (td->runstate == TD_RAMP) {
b75a394f
JA
286 je->nr_running++;
287 je->nr_ramp++;
263e529f 288 } else if (td->runstate < TD_RUNNING)
b75a394f 289 je->nr_pending++;
263e529f 290
b75a394f 291 if (je->elapsed_sec >= 3)
b29ee5b3 292 eta_secs[i] = thread_eta(td);
263e529f
JA
293 else
294 eta_secs[i] = INT_MAX;
295
296 check_str_update(td);
b29ee5b3
JA
297
298 if (td->runstate > TD_RAMP) {
299 io_bytes[0] += td->io_bytes[0];
300 io_bytes[1] += td->io_bytes[1];
adb02ba8
JA
301 io_iops[0] += td->io_blocks[0];
302 io_iops[1] += td->io_blocks[1];
b29ee5b3 303 }
263e529f
JA
304 }
305
306 if (exitall_on_terminate)
b75a394f 307 je->eta_sec = INT_MAX;
263e529f 308 else
b75a394f 309 je->eta_sec = 0;
263e529f 310
34572e28 311 for_each_td(td, i) {
d6978a32
JA
312 if (!i2p && is_power_of_2(td->o.kb_base))
313 i2p = 1;
9c5a3854 314 if (exitall_on_terminate) {
b75a394f
JA
315 if (eta_secs[i] < je->eta_sec)
316 je->eta_sec = eta_secs[i];
9c5a3854 317 } else {
b75a394f
JA
318 if (eta_secs[i] > je->eta_sec)
319 je->eta_sec = eta_secs[i];
9c5a3854 320 }
263e529f
JA
321 }
322
eecf272f
JA
323 free(eta_secs);
324
46fda8d0
JA
325 fio_gettime(&now, NULL);
326 rate_time = mtime_since(&rate_prev_time, &now);
327
b29ee5b3 328 if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
b75a394f 329 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
46fda8d0 330 memcpy(&rate_prev_time, &now, sizeof(now));
b75a394f
JA
331 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
332 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
6043c579
JA
333 }
334
46fda8d0 335 disp_time = mtime_since(&disp_prev_time, &now);
a5b01f1b
JA
336
337 /*
338 * Allow a little slack, the target is to print it every 1000 msecs
339 */
af9c9fb3 340 if (!force && disp_time < 900)
b75a394f 341 return 0;
46fda8d0 342
b75a394f
JA
343 calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
344 calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
adb02ba8 345
46fda8d0
JA
346 memcpy(&disp_prev_time, &now, sizeof(now));
347
af9c9fb3 348 if (!force && !je->nr_running && !je->nr_pending)
b75a394f
JA
349 return 0;
350
1d1f45ae
JA
351 je->nr_threads = thread_number;
352 memcpy(je->run_str, run_str, thread_number * sizeof(char));
353
b75a394f
JA
354 return 1;
355}
356
cf451d1e 357void display_thread_status(struct jobs_eta *je)
b75a394f 358{
b75a394f
JA
359 static int linelen_last;
360 static int eta_good;
361 char output[512], *p = output;
362 char eta_str[128];
363 double perc = 0.0;
364 int i2p = 0;
365
cf451d1e
JA
366 if (je->eta_sec != INT_MAX && je->elapsed_sec) {
367 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
368 eta_to_str(eta_str, je->eta_sec);
b75a394f
JA
369 }
370
cf451d1e
JA
371 p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
372 if (je->m_rate || je->t_rate) {
581e7141
JA
373 char *tr, *mr;
374
cf451d1e
JA
375 mr = num2str(je->m_rate, 4, 0, i2p);
376 tr = num2str(je->t_rate, 4, 0, i2p);
37db14fe 377 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
581e7141
JA
378 free(tr);
379 free(mr);
cf451d1e
JA
380 } else if (je->m_iops || je->t_iops)
381 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
382 if (je->eta_sec != INT_MAX && je->nr_running) {
0721d11e 383 char perc_str[32];
adb02ba8 384 char *iops_str[2];
d1bd7213 385 char *rate_str[2];
adb02ba8 386 int l;
5ec10eaa 387
cf451d1e 388 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
cac58fd5
JA
389 strcpy(perc_str, "-.-% done");
390 else {
391 eta_good = 1;
392 perc *= 100.0;
0721d11e 393 sprintf(perc_str, "%3.1f%% done", perc);
cac58fd5 394 }
0721d11e 395
cf451d1e
JA
396 rate_str[0] = num2str(je->rate[0], 5, 10, i2p);
397 rate_str[1] = num2str(je->rate[1], 5, 10, i2p);
d1bd7213 398
cf451d1e
JA
399 iops_str[0] = num2str(je->iops[0], 4, 1, 0);
400 iops_str[1] = num2str(je->iops[1], 4, 1, 0);
adb02ba8 401
37db14fe 402 l = sprintf(p, ": [%s] [%s] [%s/%s /s] [%s/%s iops] [eta %s]",
1d1f45ae
JA
403 je->run_str, perc_str, rate_str[0],
404 rate_str[1], iops_str[0], iops_str[1], eta_str);
37db14fe 405 p += l;
adb02ba8 406 if (l >= 0 && l < linelen_last)
37db14fe 407 p += sprintf(p, "%*s", linelen_last - l, "");
adb02ba8 408 linelen_last = l;
d1bd7213
JA
409
410 free(rate_str[0]);
411 free(rate_str[1]);
adb02ba8
JA
412 free(iops_str[0]);
413 free(iops_str[1]);
263e529f 414 }
37db14fe
JA
415 p += sprintf(p, "\r");
416
cf451d1e
JA
417 printf("%s", output);
418 fflush(stdout);
263e529f
JA
419}
420
cf451d1e
JA
421void print_thread_status(void)
422{
1d1f45ae 423 struct jobs_eta *je;
b814fb26 424 size_t size;
1d1f45ae 425
b814fb26
JA
426 if (!thread_number)
427 return;
cf451d1e 428
b814fb26
JA
429 size = sizeof(*je) + thread_number * sizeof(char) + 1;
430 je = malloc(size);
431 memset(je, 0, size);
cf451d1e 432
af9c9fb3 433 if (calc_thread_status(je, 0))
1d1f45ae 434 display_thread_status(je);
cf451d1e 435
1d1f45ae 436 free(je);
cf451d1e 437}
b75a394f 438
2b13e716 439void print_status_init(int thr_number)
263e529f 440{
2b13e716 441 run_str[thr_number] = 'P';
263e529f 442}