gfio: use light yellow as graph background
[fio.git] / eta.c
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
10 static char run_str[REAL_MAX_JOBS + 1];
11
12 /*
13  * Sets the status of the 'td' in the printed status map.
14  */
15 static 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 {
57                         if (td_random(td))
58                                 c = 'w';
59                         else
60                                 c = 'W';
61                 }
62                 break;
63         case TD_PRE_READING:
64                 c = 'p';
65                 break;
66         case TD_VERIFYING:
67                 c = 'V';
68                 break;
69         case TD_FSYNCING:
70                 c = 'F';
71                 break;
72         case TD_CREATED:
73                 c = 'C';
74                 break;
75         case TD_INITIALIZED:
76                 c = 'I';
77                 break;
78         case TD_NOT_CREATED:
79                 c = 'P';
80                 break;
81         default:
82                 log_err("state %d\n", td->runstate);
83         }
84
85         run_str[td->thread_number - 1] = c;
86 }
87
88 /*
89  * Convert seconds to a printable string.
90  */
91 void eta_to_str(char *str, unsigned long eta_sec)
92 {
93         unsigned int d, h, m, s;
94         int disp_hour = 0;
95
96         s = eta_sec % 60;
97         eta_sec /= 60;
98         m = eta_sec % 60;
99         eta_sec /= 60;
100         h = eta_sec % 24;
101         eta_sec /= 24;
102         d = eta_sec;
103
104         if (d) {
105                 disp_hour = 1;
106                 str += sprintf(str, "%02ud:", d);
107         }
108
109         if (h || disp_hour)
110                 str += sprintf(str, "%02uh:", h);
111
112         str += sprintf(str, "%02um:", m);
113         str += sprintf(str, "%02us", s);
114 }
115
116 /*
117  * Best effort calculation of the estimated pending runtime of a job.
118  */
119 static int thread_eta(struct thread_data *td)
120 {
121         unsigned long long bytes_total, bytes_done;
122         unsigned long eta_sec = 0;
123         unsigned long elapsed;
124
125         elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
126
127         bytes_total = td->total_io_size;
128
129         if (td->o.fill_device && td->o.size  == -1ULL) {
130                 if (!td->fill_device_size || td->fill_device_size == -1ULL)
131                         return 0;
132
133                 bytes_total = td->fill_device_size;
134         }
135
136         /*
137          * if writing, bytes_total will be twice the size. If mixing,
138          * assume a 50/50 split and thus bytes_total will be 50% larger.
139          */
140         if (td->o.do_verify && td->o.verify && td_write(td)) {
141                 if (td_rw(td))
142                         bytes_total = bytes_total * 3 / 2;
143                 else
144                         bytes_total <<= 1;
145         }
146
147         if (td->o.zone_size && td->o.zone_skip)
148                 bytes_total /= (td->o.zone_skip / td->o.zone_size);
149
150         if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
151                 double perc, perc_t;
152
153                 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
154                 perc = (double) bytes_done / (double) bytes_total;
155                 if (perc > 1.0)
156                         perc = 1.0;
157
158                 if (td->o.time_based) {
159                         perc_t = (double) elapsed / (double) td->o.timeout;
160                         if (perc_t < perc)
161                                 perc = perc_t;
162                 }
163
164                 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
165
166                 if (td->o.timeout &&
167                     eta_sec > (td->o.timeout + done_secs - elapsed))
168                         eta_sec = td->o.timeout + done_secs - elapsed;
169         } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
170                         || td->runstate == TD_INITIALIZED
171                         || td->runstate == TD_RAMP
172                         || td->runstate == TD_PRE_READING) {
173                 int t_eta = 0, r_eta = 0;
174
175                 /*
176                  * We can only guess - assume it'll run the full timeout
177                  * if given, otherwise assume it'll run at the specified rate.
178                  */
179                 if (td->o.timeout) {
180                         t_eta = td->o.timeout + td->o.start_delay +
181                                         td->o.ramp_time;
182
183                         if (in_ramp_time(td)) {
184                                 unsigned long ramp_left;
185
186                                 ramp_left = mtime_since_now(&td->epoch);
187                                 ramp_left = (ramp_left + 999) / 1000;
188                                 if (ramp_left <= t_eta)
189                                         t_eta -= ramp_left;
190                         }
191                 }
192                 if (td->o.rate[0] || td->o.rate[1]) {
193                         r_eta = (bytes_total / 1024) /
194                                         (td->o.rate[0] + td->o.rate[1]);
195                         r_eta += td->o.start_delay;
196                 }
197
198                 if (r_eta && t_eta)
199                         eta_sec = min(r_eta, t_eta);
200                 else if (r_eta)
201                         eta_sec = r_eta;
202                 else if (t_eta)
203                         eta_sec = t_eta;
204                 else
205                         eta_sec = 0;
206         } else {
207                 /*
208                  * thread is already done or waiting for fsync
209                  */
210                 eta_sec = 0;
211         }
212
213         return eta_sec;
214 }
215
216 static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
217                       unsigned long long *prev_io_bytes, unsigned int *rate)
218 {
219         rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
220         rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
221         prev_io_bytes[0] = io_bytes[0];
222         prev_io_bytes[1] = io_bytes[1];
223 }
224
225 static void calc_iops(unsigned long mtime, unsigned long long *io_iops,
226                       unsigned long long *prev_io_iops, unsigned int *iops)
227 {
228         iops[0] = ((io_iops[0] - prev_io_iops[0]) * 1000) / mtime;
229         iops[1] = ((io_iops[1] - prev_io_iops[1]) * 1000) / mtime;
230         prev_io_iops[0] = io_iops[0];
231         prev_io_iops[1] = io_iops[1];
232 }
233
234 /*
235  * Print status of the jobs we know about. This includes rate estimates,
236  * ETA, thread state, etc.
237  */
238 int calc_thread_status(struct jobs_eta *je, int force)
239 {
240         struct thread_data *td;
241         int i;
242         unsigned long rate_time, disp_time, bw_avg_time, *eta_secs;
243         unsigned long long io_bytes[2];
244         unsigned long long io_iops[2];
245         struct timeval now;
246
247         static unsigned long long rate_io_bytes[2];
248         static unsigned long long disp_io_bytes[2];
249         static unsigned long long disp_io_iops[2];
250         static struct timeval rate_prev_time, disp_prev_time;
251         int i2p = 0;
252
253         if (!force) {
254                 if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
255                         return 0;
256
257                 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
258                         return 0;
259         }
260
261         if (!rate_io_bytes[0] && !rate_io_bytes[1])
262                 fill_start_time(&rate_prev_time);
263         if (!disp_io_bytes[0] && !disp_io_bytes[1])
264                 fill_start_time(&disp_prev_time);
265
266         eta_secs = malloc(thread_number * sizeof(unsigned long));
267         memset(eta_secs, 0, thread_number * sizeof(unsigned long));
268
269         je->elapsed_sec = (mtime_since_genesis() + 999) / 1000;
270
271         io_bytes[0] = io_bytes[1] = 0;
272         io_iops[0] = io_iops[1] = 0;
273         bw_avg_time = ULONG_MAX;
274         for_each_td(td, i) {
275                 if (td->o.bw_avg_time < bw_avg_time)
276                         bw_avg_time = td->o.bw_avg_time;
277                 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
278                     || td->runstate == TD_FSYNCING
279                     || td->runstate == TD_PRE_READING) {
280                         je->nr_running++;
281                         je->t_rate[0] += td->o.rate[0];
282                         je->t_rate[1] += td->o.rate[1];
283                         je->m_rate[0] += td->o.ratemin[0];
284                         je->m_rate[1] += td->o.ratemin[1];
285                         je->t_iops[0] += td->o.rate_iops[0];
286                         je->t_iops[1] += td->o.rate_iops[1];
287                         je->m_iops[0] += td->o.rate_iops_min[0];
288                         je->m_iops[1] += td->o.rate_iops_min[1];
289                         je->files_open += td->nr_open_files;
290                 } else if (td->runstate == TD_RAMP) {
291                         je->nr_running++;
292                         je->nr_ramp++;
293                 } else if (td->runstate < TD_RUNNING)
294                         je->nr_pending++;
295
296                 if (je->elapsed_sec >= 3)
297                         eta_secs[i] = thread_eta(td);
298                 else
299                         eta_secs[i] = INT_MAX;
300
301                 check_str_update(td);
302
303                 if (td->runstate > TD_RAMP) {
304                         io_bytes[0] += td->io_bytes[0];
305                         io_bytes[1] += td->io_bytes[1];
306                         io_iops[0] += td->io_blocks[0];
307                         io_iops[1] += td->io_blocks[1];
308                 }
309         }
310
311         if (exitall_on_terminate)
312                 je->eta_sec = INT_MAX;
313         else
314                 je->eta_sec = 0;
315
316         for_each_td(td, i) {
317                 if (!i2p && is_power_of_2(td->o.kb_base))
318                         i2p = 1;
319                 if (exitall_on_terminate) {
320                         if (eta_secs[i] < je->eta_sec)
321                                 je->eta_sec = eta_secs[i];
322                 } else {
323                         if (eta_secs[i] > je->eta_sec)
324                                 je->eta_sec = eta_secs[i];
325                 }
326         }
327
328         free(eta_secs);
329
330         fio_gettime(&now, NULL);
331         rate_time = mtime_since(&rate_prev_time, &now);
332
333         if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
334                 calc_rate(rate_time, io_bytes, rate_io_bytes, je->rate);
335                 memcpy(&rate_prev_time, &now, sizeof(now));
336                 add_agg_sample(je->rate[DDIR_READ], DDIR_READ, 0);
337                 add_agg_sample(je->rate[DDIR_WRITE], DDIR_WRITE, 0);
338         }
339
340         disp_time = mtime_since(&disp_prev_time, &now);
341
342         /*
343          * Allow a little slack, the target is to print it every 1000 msecs
344          */
345         if (!force && disp_time < 900)
346                 return 0;
347
348         calc_rate(disp_time, io_bytes, disp_io_bytes, je->rate);
349         calc_iops(disp_time, io_iops, disp_io_iops, je->iops);
350
351         memcpy(&disp_prev_time, &now, sizeof(now));
352
353         if (!force && !je->nr_running && !je->nr_pending)
354                 return 0;
355
356         je->nr_threads = thread_number;
357         memcpy(je->run_str, run_str, thread_number * sizeof(char));
358
359         return 1;
360 }
361
362 void display_thread_status(struct jobs_eta *je)
363 {
364         static int linelen_last;
365         static int eta_good;
366         char output[512], *p = output;
367         char eta_str[128];
368         double perc = 0.0;
369         int i2p = 0;
370
371         if (je->eta_sec != INT_MAX && je->elapsed_sec) {
372                 perc = (double) je->elapsed_sec / (double) (je->elapsed_sec + je->eta_sec);
373                 eta_to_str(eta_str, je->eta_sec);
374         }
375
376         p += sprintf(p, "Jobs: %d (f=%d)", je->nr_running, je->files_open);
377         if (je->m_rate[0] || je->m_rate[1] || je->t_rate[0] || je->t_rate[1]) {
378                 char *tr, *mr;
379
380                 mr = num2str(je->m_rate[0] + je->m_rate[1], 4, 0, i2p);
381                 tr = num2str(je->t_rate[0] + je->t_rate[1], 4, 0, i2p);
382                 p += sprintf(p, ", CR=%s/%s KB/s", tr, mr);
383                 free(tr);
384                 free(mr);
385         } else if (je->m_iops[0] || je->m_iops[1] || je->t_iops[0] || je->t_iops[1]) {
386                 p += sprintf(p, ", CR=%d/%d IOPS",
387                                         je->t_iops[0] + je->t_iops[1],
388                                         je->m_iops[0] + je->t_iops[1]);
389         }
390         if (je->eta_sec != INT_MAX && je->nr_running) {
391                 char perc_str[32];
392                 char *iops_str[2];
393                 char *rate_str[2];
394                 int l;
395
396                 if ((!je->eta_sec && !eta_good) || je->nr_ramp == je->nr_running)
397                         strcpy(perc_str, "-.-% done");
398                 else {
399                         eta_good = 1;
400                         perc *= 100.0;
401                         sprintf(perc_str, "%3.1f%% done", perc);
402                 }
403
404                 rate_str[0] = num2str(je->rate[0], 5, 10, i2p);
405                 rate_str[1] = num2str(je->rate[1], 5, 10, i2p);
406
407                 iops_str[0] = num2str(je->iops[0], 4, 1, 0);
408                 iops_str[1] = num2str(je->iops[1], 4, 1, 0);
409
410                 l = sprintf(p, ": [%s] [%s] [%s/%s /s] [%s/%s iops] [eta %s]",
411                                 je->run_str, perc_str, rate_str[0],
412                                 rate_str[1], iops_str[0], iops_str[1], eta_str);
413                 p += l;
414                 if (l >= 0 && l < linelen_last)
415                         p += sprintf(p, "%*s", linelen_last - l, "");
416                 linelen_last = l;
417
418                 free(rate_str[0]);
419                 free(rate_str[1]);
420                 free(iops_str[0]);
421                 free(iops_str[1]);
422         }
423         p += sprintf(p, "\r");
424
425         printf("%s", output);
426         fflush(stdout);
427 }
428
429 void print_thread_status(void)
430 {
431         struct jobs_eta *je;
432         size_t size;
433
434         if (!thread_number)
435                 return;
436
437         size = sizeof(*je) + thread_number * sizeof(char) + 1;
438         je = malloc(size);
439         memset(je, 0, size);
440
441         if (calc_thread_status(je, 0))
442                 display_thread_status(je);
443
444         free(je);
445 }
446
447 void print_status_init(int thr_number)
448 {
449         run_str[thr_number] = 'P';
450 }