More fio.h cleanups
[fio.git] / eta.c
... / ...
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[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 c = '_';
22 break;
23 case TD_EXITED:
24 c = 'E';
25 break;
26 case TD_RAMP:
27 c = '/';
28 break;
29 case TD_RUNNING:
30 if (td_rw(td)) {
31 if (td_random(td))
32 c = 'm';
33 else
34 c = 'M';
35 } else if (td_read(td)) {
36 if (td_random(td))
37 c = 'r';
38 else
39 c = 'R';
40 } else {
41 if (td_random(td))
42 c = 'w';
43 else
44 c = 'W';
45 }
46 break;
47 case TD_PRE_READING:
48 c = 'p';
49 break;
50 case TD_VERIFYING:
51 c = 'V';
52 break;
53 case TD_FSYNCING:
54 c = 'F';
55 break;
56 case TD_CREATED:
57 c = 'C';
58 break;
59 case TD_INITIALIZED:
60 c = 'I';
61 break;
62 case TD_NOT_CREATED:
63 c = 'P';
64 break;
65 default:
66 log_err("state %d\n", td->runstate);
67 }
68
69 run_str[td->thread_number - 1] = c;
70}
71
72/*
73 * Convert seconds to a printable string.
74 */
75static void eta_to_str(char *str, unsigned long eta_sec)
76{
77 unsigned int d, h, m, s;
78 int disp_hour = 0;
79
80 s = eta_sec % 60;
81 eta_sec /= 60;
82 m = eta_sec % 60;
83 eta_sec /= 60;
84 h = eta_sec % 24;
85 eta_sec /= 24;
86 d = eta_sec;
87
88 if (d) {
89 disp_hour = 1;
90 str += sprintf(str, "%02ud:", d);
91 }
92
93 if (h || disp_hour)
94 str += sprintf(str, "%02uh:", h);
95
96 str += sprintf(str, "%02um:", m);
97 str += sprintf(str, "%02us", s);
98}
99
100/*
101 * Best effort calculation of the estimated pending runtime of a job.
102 */
103static int thread_eta(struct thread_data *td)
104{
105 unsigned long long bytes_total, bytes_done;
106 unsigned long eta_sec = 0;
107 unsigned long elapsed;
108
109 elapsed = (mtime_since_now(&td->epoch) + 999) / 1000;
110
111 bytes_total = td->total_io_size;
112
113 /*
114 * if writing, bytes_total will be twice the size. If mixing,
115 * assume a 50/50 split and thus bytes_total will be 50% larger.
116 */
117 if (td->o.do_verify && td->o.verify && td_write(td)) {
118 if (td_rw(td))
119 bytes_total = bytes_total * 3 / 2;
120 else
121 bytes_total <<= 1;
122 }
123
124 if (td->o.zone_size && td->o.zone_skip)
125 bytes_total /= (td->o.zone_skip / td->o.zone_size);
126
127 if (td->o.fill_device && td->o.size == -1ULL)
128 return 0;
129
130 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING) {
131 double perc, perc_t;
132
133 bytes_done = td->io_bytes[DDIR_READ] + td->io_bytes[DDIR_WRITE];
134 perc = (double) bytes_done / (double) bytes_total;
135 if (perc > 1.0)
136 perc = 1.0;
137
138 if (td->o.time_based) {
139 perc_t = (double) elapsed / (double) td->o.timeout;
140 if (perc_t < perc)
141 perc = perc_t;
142 }
143
144 eta_sec = (unsigned long) (elapsed * (1.0 / perc)) - elapsed;
145
146 if (td->o.timeout &&
147 eta_sec > (td->o.timeout + done_secs - elapsed))
148 eta_sec = td->o.timeout + done_secs - elapsed;
149 } else if (td->runstate == TD_NOT_CREATED || td->runstate == TD_CREATED
150 || td->runstate == TD_INITIALIZED
151 || td->runstate == TD_RAMP
152 || td->runstate == TD_PRE_READING) {
153 int t_eta = 0, r_eta = 0;
154
155 /*
156 * We can only guess - assume it'll run the full timeout
157 * if given, otherwise assume it'll run at the specified rate.
158 */
159 if (td->o.timeout) {
160 t_eta = td->o.timeout + td->o.start_delay;
161
162 if (in_ramp_time(td)) {
163 unsigned long ramp_left;
164
165 ramp_left = mtime_since_now(&td->start);
166 ramp_left = (ramp_left + 999) / 1000;
167 if (ramp_left <= t_eta)
168 t_eta -= ramp_left;
169 }
170 }
171 if (td->o.rate) {
172 r_eta = (bytes_total / 1024) / td->o.rate;
173 r_eta += td->o.start_delay;
174 }
175
176 if (r_eta && t_eta)
177 eta_sec = min(r_eta, t_eta);
178 else if (r_eta)
179 eta_sec = r_eta;
180 else if (t_eta)
181 eta_sec = t_eta;
182 else
183 eta_sec = 0;
184 } else {
185 /*
186 * thread is already done or waiting for fsync
187 */
188 eta_sec = 0;
189 }
190
191 return eta_sec;
192}
193
194static void calc_rate(unsigned long mtime, unsigned long long *io_bytes,
195 unsigned long long *prev_io_bytes, unsigned int *rate)
196{
197 rate[0] = (io_bytes[0] - prev_io_bytes[0]) / mtime;
198 rate[1] = (io_bytes[1] - prev_io_bytes[1]) / mtime;
199 prev_io_bytes[0] = io_bytes[0];
200 prev_io_bytes[1] = io_bytes[1];
201}
202
203/*
204 * Print status of the jobs we know about. This includes rate estimates,
205 * ETA, thread state, etc.
206 */
207void print_thread_status(void)
208{
209 unsigned long elapsed = (mtime_since_genesis() + 999) / 1000;
210 int i, nr_ramp, nr_running, nr_pending, t_rate, m_rate;
211 int t_iops, m_iops, files_open;
212 struct thread_data *td;
213 char eta_str[128];
214 double perc = 0.0;
215 unsigned long long io_bytes[2];
216 unsigned long rate_time, disp_time, bw_avg_time, *eta_secs, eta_sec;
217 struct timeval now;
218
219 static unsigned long long rate_io_bytes[2];
220 static unsigned long long disp_io_bytes[2];
221 static struct timeval rate_prev_time, disp_prev_time;
222 static unsigned int rate[2];
223 static int linelen_last;
224 static int eta_good;
225
226 if (temp_stall_ts || terse_output || eta_print == FIO_ETA_NEVER)
227 return;
228
229 if (!isatty(STDOUT_FILENO) && (eta_print != FIO_ETA_ALWAYS))
230 return;
231
232 if (!rate_io_bytes[0] && !rate_io_bytes[1])
233 fill_start_time(&rate_prev_time);
234 if (!disp_io_bytes[0] && !disp_io_bytes[1])
235 fill_start_time(&disp_prev_time);
236
237 eta_secs = malloc(thread_number * sizeof(unsigned long));
238 memset(eta_secs, 0, thread_number * sizeof(unsigned long));
239
240 io_bytes[0] = io_bytes[1] = 0;
241 nr_pending = nr_running = t_rate = m_rate = t_iops = m_iops = 0;
242 nr_ramp = 0;
243 bw_avg_time = ULONG_MAX;
244 files_open = 0;
245 for_each_td(td, i) {
246 if (td->o.bw_avg_time < bw_avg_time)
247 bw_avg_time = td->o.bw_avg_time;
248 if (td->runstate == TD_RUNNING || td->runstate == TD_VERIFYING
249 || td->runstate == TD_FSYNCING
250 || td->runstate == TD_PRE_READING) {
251 nr_running++;
252 t_rate += td->o.rate;
253 m_rate += td->o.ratemin;
254 t_iops += td->o.rate_iops;
255 m_iops += td->o.rate_iops_min;
256 files_open += td->nr_open_files;
257 } else if (td->runstate == TD_RAMP) {
258 nr_running++;
259 nr_ramp++;
260 } else if (td->runstate < TD_RUNNING)
261 nr_pending++;
262
263 if (elapsed >= 3)
264 eta_secs[i] = thread_eta(td);
265 else
266 eta_secs[i] = INT_MAX;
267
268 check_str_update(td);
269
270 if (td->runstate > TD_RAMP) {
271 io_bytes[0] += td->io_bytes[0];
272 io_bytes[1] += td->io_bytes[1];
273 }
274 }
275
276 if (exitall_on_terminate)
277 eta_sec = INT_MAX;
278 else
279 eta_sec = 0;
280
281 for_each_td(td, i) {
282 if (exitall_on_terminate) {
283 if (eta_secs[i] < eta_sec)
284 eta_sec = eta_secs[i];
285 } else {
286 if (eta_secs[i] > eta_sec)
287 eta_sec = eta_secs[i];
288 }
289 }
290
291 free(eta_secs);
292
293 if (eta_sec != INT_MAX && elapsed) {
294 perc = (double) elapsed / (double) (elapsed + eta_sec);
295 eta_to_str(eta_str, eta_sec);
296 }
297
298 fio_gettime(&now, NULL);
299 rate_time = mtime_since(&rate_prev_time, &now);
300
301 if (write_bw_log && rate_time > bw_avg_time && !in_ramp_time(td)) {
302 calc_rate(rate_time, io_bytes, rate_io_bytes, rate);
303 memcpy(&rate_prev_time, &now, sizeof(now));
304 add_agg_sample(rate[DDIR_READ], DDIR_READ, 0);
305 add_agg_sample(rate[DDIR_WRITE], DDIR_WRITE, 0);
306 }
307
308 disp_time = mtime_since(&disp_prev_time, &now);
309 if (disp_time < 1000)
310 return;
311
312 calc_rate(disp_time, io_bytes, disp_io_bytes, rate);
313 memcpy(&disp_prev_time, &now, sizeof(now));
314
315 if (!nr_running && !nr_pending)
316 return;
317
318 printf("Jobs: %d (f=%d)", nr_running, files_open);
319 if (m_rate || t_rate)
320 printf(", CR=%d/%d KiB/s", t_rate, m_rate);
321 else if (m_iops || t_iops)
322 printf(", CR=%d/%d IOPS", t_iops, m_iops);
323 if (eta_sec != INT_MAX && nr_running) {
324 char perc_str[32];
325 int ll;
326
327 if ((!eta_sec && !eta_good) || nr_ramp == nr_running)
328 strcpy(perc_str, "-.-% done");
329 else {
330 eta_good = 1;
331 perc *= 100.0;
332 sprintf(perc_str, "%3.1f%% done", perc);
333 }
334
335 ll = printf(": [%s] [%s] [%6u/%6u kb/s] [eta %s]",
336 run_str, perc_str, rate[0], rate[1], eta_str);
337 if (ll >= 0 && ll < linelen_last)
338 printf("%*s", linelen_last - ll, "");
339 linelen_last = ll;
340 }
341 printf("\r");
342 fflush(stdout);
343}
344
345void print_status_init(int thread_number)
346{
347 run_str[thread_number] = 'P';
348}