HOWTO: indentation fix
[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 */
97static void 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 /*
143 * if writing and verifying afterwards, bytes_total will be twice the
144 * size. In a mixed workload, verify phase will be the size of the
145 * first stage writes.
146 */
147 if (td->o.do_verify && td->o.verify && td_write(td)) {
148 if (td_rw(td)) {
149 unsigned int perc = 50;
150
151 if (td->o.rwmix[DDIR_WRITE])
152 perc = td->o.rwmix[DDIR_WRITE];
153
154 bytes_total += (bytes_total * perc) / 100;
155 } else
156 bytes_total <<= 1;
157 }
158
159 if (td->o.zone_size && td->o.zone_skip)
160 bytes_total /= (td->o.zone_skip / td->o.zone_size);
161
162 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
163 double perc, perc_t;
164
165 bytes_done = ddir_rw_sum(td->io_bytes);
166 perc = (double) bytes_done / (double) bytes_total;
167 if (perc > 1.0)
168 perc = 1.0;
169
170 if (td->o.time_based) {
171 perc_t = (double) elapsed / (double) td->o.timeout;
172 if (perc_t < perc)
173 perc = perc_t;
174 }
175
176 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
177
178 if (td->o.timeout &&
179 eta_sec > (td->o.timeout + done_secs - elapsed))
180 eta_sec = td->o.timeout + done_secs - elapsed;
181 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
182 || td->runstate == TD_INITIALIZED
183 || td->runstate == TD_RAMP
184 || td->runstate == TD_PRE_READING) {
185 int t_eta = 0, r_eta = 0;
186 unsigned long long rate_bytes;
187
188 /*
189 * We can only guess - assume it'll run the full timeout
190 * if given, otherwise assume it'll run at the specified rate.
191 */
192 if (td->o.timeout) {
193 t_eta = td->o.timeout + td->o.start_delay +
194 td->o.ramp_time;
195
196 if (in_ramp_time(td)) {
197 unsigned long ramp_left;
198
199 ramp_left = mtime_since_now(&td->epoch);
200 ramp_left = (ramp_left + 999) / 1000;
201 if (ramp_left <= t_eta)
202 t_eta -= ramp_left;
203 }
204 }
205 rate_bytes = ddir_rw_sum(td->o.rate);
206 if (rate_bytes) {
207 r_eta = (bytes_total / 1024) / rate_bytes;
208 r_eta += td->o.start_delay;
209 }
210
211 if (r_eta && t_eta)
212 eta_sec = min(r_eta, t_eta);
213 else if (r_eta)
214 eta_sec = r_eta;
215 else if (t_eta)
216 eta_sec = t_eta;
217 else
218 eta_sec = 0;
219 } else {
220 /*
221 * thread is already done or waiting for fsync
222 */
223 eta_sec = 0;
224 }
225
226 return eta_sec;
227}
228
229static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
230 unsigned long long *prev_io_bytes, unsigned int *rate)
231{
232 int i;
233
234 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
235 unsigned long long diff;
236
237 diff = io_bytes[i] - prev_io_bytes[i];
238 rate[i] = ((1000 * diff) / mtime) / 1024;
239
240 prev_io_bytes[i] = io_bytes[i];
241 }
242}
243
244static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
245 unsigned long long *prev_io_iops, unsigned int *iops)
246{
247 int i;
248
249 for (i = 0; i < DDIR_RWDIR_CNT; i++) {
250 iops[i] = ((io_iops[i] - prev_io_iops[i]) * 1000) / mtime;
251 prev_io_iops[i] = io_iops[i];
252 }
253}
254
255/*
256 * Print status of the jobs we know about. This includes rate estimates,
257 * ETA, thread state, etc.
258 */
259int calc_thread_status(struct jobs_eta *je, int force)
260{
261 struct thread_data *td;
262 int i;
263 unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
264 unsigned long long io_bytes[DDIR_RWDIR_CNT];
265 unsigned long long io_iops[DDIR_RWDIR_CNT];
266 struct timeval now;
267
268 static unsigned long long rate_io_bytes[DDIR_RWDIR_CNT];
269 static unsigned long long disp_io_bytes[DDIR_RWDIR_CNT];
270 static unsigned long long disp_io_iops[DDIR_RWDIR_CNT];
271 static struct timeval rate_prev_time, disp_prev_time;
272
273 if (!force) {
274 if (output_format != FIO_OUTPUT_NORMAL)
275 return 0;
276 if (temp_stall_ts || eta_print == FIO_ETA_NEVER)
277 return 0;
278
279 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
280 return 0;
281 }
282
283 if (!ddir_rw_sum(rate_io_bytes))
284 fill_start_time(&rate_prev_time);
285 if (!ddir_rw_sum(disp_io_bytes))
286 fill_start_time(&disp_prev_time);
287
288 eta_secs = malloc(thread_number * sizeof(unsigned long));
289 memset(eta_secs, 0, thread_number * sizeof(unsigned long));
290
291 je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
292
293 io_bytes[DDIR_READ] = io_bytes[DDIR_WRITE] = io_bytes[DDIR_TRIM] = 0;
294 io_iops[DDIR_READ] = io_iops[DDIR_WRITE] = io_iops[DDIR_TRIM] = 0;
295 bw_avg_time = ULONG_MAX;
296 for_each_td(td, i) {
297 if (is_power_of_2(td->o.kb_base))
298 je->is_pow2 = 1;
299 if (td->o.bw_avg_time < bw_avg_time)
300 bw_avg_time = td->o.bw_avg_time;
301 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
302 || td->runstate == TD_FSYNCING
303 || td->runstate == TD_PRE_READING) {
304 je->nr_running++;
305 if (td_read(td)) {
306 je->t_rate += td->o.rate[DDIR_READ];
307 je->t_iops += td->o.rate_iops[DDIR_READ];
308 je->m_rate += td->o.ratemin[DDIR_READ];
309 je->m_iops += td->o.rate_iops_min[DDIR_READ];
310 }
311 if (td_write(td)) {
312 je->t_rate += td->o.rate[DDIR_WRITE];
313 je->t_iops += td->o.rate_iops[DDIR_WRITE];
314 je->m_rate += td->o.ratemin[DDIR_WRITE];
315 je->m_iops += td->o.rate_iops_min[DDIR_WRITE];
316 }
317 if (td_trim(td)) {
318 je->t_rate += td->o.rate[DDIR_TRIM];
319 je->t_iops += td->o.rate_iops[DDIR_TRIM];
320 je->m_rate += td->o.ratemin[DDIR_TRIM];
321 je->m_iops += td->o.rate_iops_min[DDIR_TRIM];
322 }
323
324 je->files_open += td->nr_open_files;
325 } else if (td->runstate == TD_RAMP) {
326 je->nr_running++;
327 je->nr_ramp++;
328 } else if (td->runstate == TD_SETTING_UP)
329 je->nr_running++;
330 else if (td->runstate < TD_RUNNING)
331 je->nr_pending++;
332
333 if (je->elapsed_sec >= 3)
334 eta_secs[i] = thread_eta(td);
335 else
336 eta_secs[i] = INT_MAX;
337
338 check_str_update(td);
339
340 if (td->runstate > TD_RAMP) {
341 int ddir;
342 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
343 io_bytes[ddir] += td->io_bytes[ddir];
344 io_iops[ddir] += td->io_blocks[ddir];
345 }
346 }
347 }
348
349 if (exitall_on_terminate)
350 je->eta_sec = INT_MAX;
351 else
352 je->eta_sec = 0;
353
354 for_each_td(td, i) {
355 if (exitall_on_terminate) {
356 if (eta_secs[i] < je->eta_sec)
357 je->eta_sec = eta_secs[i];
358 } else {
359 if (eta_secs[i] > je->eta_sec)
360 je->eta_sec = eta_secs[i];
361 }
362 }
363
364 free(eta_secs);
365
366 fio_gettime(&now, NULL);
367 rate_time = mtime_since(&rate_prev_time, &now);
368
369 if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
370 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
371 memcpy(&rate_prev_time, &now, sizeof(now));
372 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
373 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
374 add_agg_sample(je->rate[DDIR_TRIM], DDIR_TRIM, 0);
375 }
376
377 disp_time = mtime_since(&disp_prev_time, &now);
378
379 /*
380 * Allow a little slack, the target is to print it every 1000 msecs
381 */
382 if (!force && disp_time < 900)
383 return 0;
384
385 calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
386 calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
387
388 memcpy(&disp_prev_time, &now, sizeof(now));
389
390 if (!force && !je->nr_running && !je->nr_pending)
391 return 0;
392
393 je->nr_threads = thread_number;
394 memcpy(je->run_str, run_str, thread_number * sizeof(char));
395
396 return 1;
397}
398
399void display_thread_status(struct jobs_eta *je)
400{
401 static int linelen_last;
402 static int eta_good;
403 char output[REAL_MAX_JOBS + 512], *p = output;
404 char eta_str[128];
405 double perc = 0.0;
406
407 if (je->eta_sec != INT_MAX && je->elapsed_sec) {
408 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
409 eta_to_str(eta_str, je->eta_sec);
410 }
411
412 p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
413 if (je->m_rate || je->t_rate) {
414 char *tr, *mr;
415
416 mr = num2str(je->m_rate, 4, 0, je->is_pow2);
417 tr = num2str(je->t_rate, 4, 0, je->is_pow2);
418 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
419 free(tr);
420 free(mr);
421 } else if (je->m_iops || je->t_iops)
422 p += sprintf(p, ", CR=%d/%d IOPS", je->t_iops, je->m_iops);
423 if (je->eta_sec != INT_MAX && je->nr_running) {
424 char perc_str[32];
425 char *iops_str[DDIR_RWDIR_CNT];
426 char *rate_str[DDIR_RWDIR_CNT];
427 size_t left;
428 int l;
429 int ddir;
430
431 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
432 strcpy(perc_str, "-.-% done");
433 else {
434 eta_good = 1;
435 perc *= 100.0;
436 sprintf(perc_str, "%3.1f%% done", perc);
437 }
438
439 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
440 rate_str[ddir] = num2str(je->rate[ddir], 5,
441 1024, je->is_pow2);
442 iops_str[ddir] = num2str(je->iops[ddir], 4, 1, 0);
443 }
444
445 left = sizeof(output) - (p - output) - 1;
446
447 l = snprintf(p, left, ": [%s] [%s] [%s/%s/%s /s] [%s/%s/%s iops] [eta %s]",
448 je->run_str, perc_str, rate_str[DDIR_READ],
449 rate_str[DDIR_WRITE], rate_str[DDIR_TRIM],
450 iops_str[DDIR_READ], iops_str[DDIR_WRITE],
451 iops_str[DDIR_TRIM], eta_str);
452 p += l;
453 if (l >= 0 && l < linelen_last)
454 p += sprintf(p, "%*s", linelen_last - l, "");
455 linelen_last = l;
456
457 for (ddir = DDIR_READ; ddir < DDIR_RWDIR_CNT; ddir++) {
458 free(rate_str[ddir]);
459 free(iops_str[ddir]);
460 }
461 }
462 p += sprintf(p, "\r");
463
464 printf("%s", output);
465 fflush(stdout);
466}
467
468void print_thread_status(void)
469{
470 struct jobs_eta *je;
471 size_t size;
472
473 if (!thread_number)
474 return;
475
476 size = sizeof(*je) + thread_number * sizeof(char) + 1;
477 je = malloc(size);
478 memset(je, 0, size);
479
480 if (calc_thread_status(je, 0))
481 display_thread_status(je);
482
483 free(je);
484}
485
486void print_status_init(int thr_number)
487{
488 run_str[thr_number] = 'P';
489}