1 /*
2 * Copyright (c) 1997, 1998 Kenneth D. Merry.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. The name of the author may not be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: src/usr.sbin/iostat/iostat.c,v 1.17.2.2 2001/07/19 04:15:42 kris Exp $
29 */
30 /*
31 * Parts of this program are derived from the original FreeBSD iostat
32 * program:
33 */
34 /*-
35 * Copyright (c) 1986, 1991, 1993
36 * The Regents of the University of California. All rights reserved.
37 *
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
40 * are met:
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. Neither the name of the University nor the names of its contributors
47 * may be used to endorse or promote products derived from this software
48 * without specific prior written permission.
49 *
50 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
51 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
52 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
53 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
54 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
55 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
56 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
57 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
58 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
59 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
60 * SUCH DAMAGE.
61 */
62 /*
63 * Ideas for the new iostat statistics output modes taken from the NetBSD
64 * version of iostat:
65 */
66 /*
67 * Copyright (c) 1996 John M. Vinopal
68 * All rights reserved.
69 *
70 * Redistribution and use in source and binary forms, with or without
71 * modification, are permitted provided that the following conditions
72 * are met:
73 * 1. Redistributions of source code must retain the above copyright
74 * notice, this list of conditions and the following disclaimer.
75 * 2. Redistributions in binary form must reproduce the above copyright
76 * notice, this list of conditions and the following disclaimer in the
77 * documentation and/or other materials provided with the distribution.
78 * 3. All advertising materials mentioning features or use of this software
79 * must display the following acknowledgement:
80 * This product includes software developed for the NetBSD Project
81 * by John M. Vinopal.
82 * 4. The name of the author may not be used to endorse or promote products
83 * derived from this software without specific prior written permission.
84 *
85 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
86 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
87 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
88 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
89 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
90 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
91 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
92 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
93 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
94 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
95 * SUCH DAMAGE.
96 */
97
98 #include <sys/param.h>
99 #include <sys/errno.h>
100 #include <sys/ttycom.h>
101
102 #include <err.h>
103 #include <ctype.h>
104 #include <fcntl.h>
105 #include <kinfo.h>
106 #include <stdio.h>
107 #include <stdlib.h>
108 #include <string.h>
109 #include <unistd.h>
110 #include <limits.h>
111 #include <devstat.h>
112
113 struct statinfo cur, last;
114 uint64_t tk_nin, old_tk_nin, diff_tk_nin;
115 uint64_t tk_nout, old_tk_nout, diff_tk_nout;
116 struct kinfo_cputime cp_time, old_cp_time, diff_cp_time;
117 double cp_time_total;
118 int num_devices;
119 struct device_selection *dev_select;
120 int maxshowdevs;
121 int dflag = 0, Dflag=0, Iflag = 0, Cflag = 0, Tflag = 0, oflag = 0, Kflag = 0;
122
123 /* local function declarations */
124 static void usage(void);
125 static void phdr(int signo);
126 static void devstats(int perf_select);
127 static void cpustats(void);
128 static void adddeletion(const char *prefix,
129 int num_selected, char ***deletions, int *num_deletions);
130
131 static void
usage(void)132 usage(void)
133 {
134 /*
135 * We also support the following 'traditional' syntax:
136 * iostat [drives] [wait [count]]
137 * This isn't mentioned in the man page, or the usage statement,
138 * but it is supported.
139 */
140 fprintf(stderr, "usage: iostat [-CdhIKoT] [-c count]"
141 " [-n devs]\n"
142 "\t [-t type,if,pass] [-w wait] [drives]\n");
143 }
144
145 int
main(int argc,char ** argv)146 main(int argc, char **argv)
147 {
148 int c;
149 int tflag = 0, hflag = 0, cflag = 0, wflag = 0, nflag = 0;
150 int count = 0, waittime = 0;
151 struct devstat_match *matches;
152 int num_matches = 0;
153 int num_deletions = 0;
154 int hz;
155 int headercount;
156 long generation;
157 int num_devices_specified;
158 int num_selected, num_selections;
159 long select_generation;
160 char **deletions;
161 char **specified_devices;
162 devstat_select_mode select_mode;
163
164 matches = NULL;
165 deletions = NULL;
166 maxshowdevs = 3;
167
168 while ((c = getopt(argc, argv, "c:CdDhIKM:n:N:ot:Tw:")) != -1) {
169 switch(c) {
170 case 'c':
171 cflag++;
172 count = atoi(optarg);
173 if (count < 1)
174 errx(1, "count %d is < 1", count);
175 break;
176 case 'C':
177 Cflag++;
178 break;
179 case 'd':
180 dflag++;
181 break;
182 case 'D':
183 Dflag++;
184 break;
185 case 'h':
186 hflag++;
187 break;
188 case 'I':
189 Iflag++;
190 break;
191 case 'K':
192 Kflag++;
193 break;
194 case 'n':
195 nflag++;
196 maxshowdevs = atoi(optarg);
197 if (maxshowdevs < 0)
198 errx(1, "number of devices %d is < 0",
199 maxshowdevs);
200 break;
201 case 'o':
202 oflag++;
203 break;
204 case 't':
205 tflag++;
206 if (buildmatch(optarg, &matches,
207 &num_matches) != 0)
208 errx(1, "%s", devstat_errbuf);
209 break;
210 case 'T':
211 Tflag++;
212 break;
213 case 'w':
214 wflag++;
215 waittime = atoi(optarg);
216 if (waittime < 1)
217 errx(1, "wait time is < 1");
218 break;
219 default:
220 usage();
221 exit(1);
222 break;
223 }
224 }
225
226 argc -= optind;
227 argv += optind;
228
229 /*
230 * Make sure that the userland devstat version matches the kernel
231 * devstat version. If not, exit and print a message informing
232 * the user of his mistake.
233 */
234 if (checkversion() < 0)
235 errx(1, "%s", devstat_errbuf);
236
237 /*
238 * Figure out how many devices we should display.
239 */
240 if (nflag == 0) {
241 struct winsize ws;
242
243 if (oflag > 0) {
244 if ((dflag > 0) && (Cflag == 0) && (Tflag == 0))
245 maxshowdevs = 5;
246 else if ((dflag > 0) && (Tflag > 0) && (Cflag == 0))
247 maxshowdevs = 5;
248 else
249 maxshowdevs = 4;
250 } else {
251 if ((dflag > 0) && (Cflag == 0))
252 maxshowdevs = 4;
253 else
254 maxshowdevs = 3;
255 }
256 if (ioctl(1, TIOCGWINSZ, &ws) >= 0 && ws.ws_col > 80)
257 maxshowdevs += (ws.ws_col - 80) / 17;
258 }
259
260 /* find out how many devices we have */
261 if ((num_devices = getnumdevs()) < 0)
262 err(1, "can't get number of devices");
263
264 if ((cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) ==
265 NULL)
266 err(1, "devinfo malloc failed");
267 if ((last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) ==
268 NULL)
269 err(1, "devinfo malloc failed");
270 bzero(cur.dinfo, sizeof(struct devinfo));
271 bzero(last.dinfo, sizeof(struct devinfo));
272
273 /*
274 * Grab all the devices. We don't look to see if the list has
275 * changed here, since it almost certainly has. We only look for
276 * errors.
277 */
278 if (getdevs(&cur) == -1)
279 errx(1, "%s", devstat_errbuf);
280
281 num_devices = cur.dinfo->numdevs;
282 generation = cur.dinfo->generation;
283
284 /*
285 * If the user specified any devices on the command line, see if
286 * they are in the list of devices we have now.
287 */
288 if ((specified_devices = (char **)malloc(sizeof(char *))) == NULL)
289 err(1, "specified_devices malloc failed");
290 for (num_devices_specified = 0; *argv; ++argv) {
291 if (isdigit(**argv))
292 break;
293 num_devices_specified++;
294 specified_devices = (char **)realloc(specified_devices,
295 sizeof(char *) *
296 num_devices_specified);
297 specified_devices[num_devices_specified - 1] = *argv;
298
299 }
300 if (nflag == 0 && maxshowdevs < num_devices_specified)
301 maxshowdevs = num_devices_specified;
302
303 dev_select = NULL;
304
305 if ((num_devices_specified == 0) && (num_matches == 0))
306 select_mode = DS_SELECT_ADD;
307 else
308 select_mode = DS_SELECT_ONLY;
309
310 /*
311 * At this point, selectdevs will almost surely indicate that the
312 * device list has changed, so we don't look for return values of 0
313 * or 1. If we get back -1, though, there is an error.
314 */
315 if (selectdevs(&dev_select, &num_selected,
316 &num_selections, &select_generation,
317 generation, cur.dinfo->devices, num_devices,
318 matches, num_matches,
319 specified_devices, num_devices_specified,
320 select_mode, maxshowdevs, hflag) == -1) {
321 errx(1, "%s", devstat_errbuf);
322 }
323
324 /*
325 * These devices are not usually desired
326 */
327 if (select_mode == DS_SELECT_ADD) {
328 adddeletion("md", num_selected, &deletions, &num_deletions);
329 adddeletion("pass", num_selected, &deletions, &num_deletions);
330 adddeletion("sg", num_selected, &deletions, &num_deletions);
331 if (selectdevs(&dev_select, &num_selected,
332 &num_selections, &select_generation,
333 generation, cur.dinfo->devices, num_devices,
334 matches, num_matches,
335 deletions, num_deletions,
336 DS_SELECT_REMOVE, maxshowdevs, hflag) == -1) {
337 errx(1, "%s", devstat_errbuf);
338 }
339 select_mode = DS_SELECT_ADDONLY;
340 }
341
342 /*
343 * Look for the traditional wait time and count arguments.
344 */
345 if (*argv) {
346 waittime = atoi(*argv);
347
348 /* Let the user know he goofed, but keep going anyway */
349 if (wflag != 0)
350 warnx("discarding previous wait interval, using"
351 " %d instead", waittime);
352 wflag++;
353
354 if (*++argv) {
355 count = atoi(*argv);
356 if (cflag != 0)
357 warnx("discarding previous count, using %d"
358 " instead", count);
359 cflag++;
360 } else
361 count = -1;
362 }
363
364 /*
365 * If the user specified a count, but not an interval, we default
366 * to an interval of 1 second.
367 */
368 if ((wflag == 0) && (cflag > 0))
369 waittime = 1;
370
371 /*
372 * If the user specified a wait time, but not a count, we want to
373 * go on ad infinitum. This can be redundant if the user uses the
374 * traditional method of specifying the wait, since in that case we
375 * already set count = -1 above. Oh well.
376 */
377 if ((wflag > 0) && (cflag == 0))
378 count = -1;
379
380 if (kinfo_get_sched_hz(&hz))
381 err(1, "kinfo_get_sched_hz");
382 if (kinfo_get_sched_stathz(&hz))
383 err(1, "kinfo_get_sched_stathz");
384
385 /*
386 * If the user stops the program (control-Z) and then resumes it,
387 * print out the header again.
388 */
389 signal(SIGCONT, phdr);
390
391 for (headercount = 1;;) {
392 struct devinfo *tmp_dinfo;
393
394 if (!--headercount) {
395 phdr(0);
396 headercount = 20;
397 }
398 if (kinfo_get_tty_tk_nin(&tk_nin))
399 err(1, "kinfo_get_tty_tk_nin");
400 if (kinfo_get_tty_tk_nout(&tk_nout))
401 err(1, "kinfo_get_tty_tk_nout");
402 if (kinfo_get_sched_cputime(&cp_time))
403 err(1, "kinfo_get_sched_cputime");
404
405 tmp_dinfo = last.dinfo;
406 last.dinfo = cur.dinfo;
407 cur.dinfo = tmp_dinfo;
408
409 last.busy_time = cur.busy_time;
410
411 /*
412 * Here what we want to do is refresh our device stats.
413 * getdevs() returns 1 when the device list has changed.
414 * If the device list has changed, we want to go through
415 * the selection process again, in case a device that we
416 * were previously displaying has gone away.
417 */
418 switch (getdevs(&cur)) {
419 case -1:
420 errx(1, "%s", devstat_errbuf);
421 break;
422 case 1: {
423 int retval;
424
425 num_devices = cur.dinfo->numdevs;
426 generation = cur.dinfo->generation;
427 retval = selectdevs(&dev_select, &num_selected,
428 &num_selections, &select_generation,
429 generation, cur.dinfo->devices,
430 num_devices, matches, num_matches,
431 specified_devices,
432 num_devices_specified,
433 select_mode, maxshowdevs, hflag);
434 switch(retval) {
435 case -1:
436 errx(1, "%s", devstat_errbuf);
437 break;
438 case 1:
439 phdr(0);
440 headercount = 20;
441 break;
442 default:
443 break;
444 }
445 break;
446 }
447 default:
448 break;
449 }
450
451 /*
452 * We only want to re-select devices if we're in 'top'
453 * mode. This is the only mode where the devices selected
454 * could actually change.
455 */
456 if (hflag > 0) {
457 int retval;
458 retval = selectdevs(&dev_select, &num_selected,
459 &num_selections, &select_generation,
460 generation, cur.dinfo->devices,
461 num_devices, matches, num_matches,
462 specified_devices,
463 num_devices_specified,
464 select_mode, maxshowdevs, hflag);
465 switch(retval) {
466 case -1:
467 errx(1,"%s", devstat_errbuf);
468 break;
469 case 1:
470 phdr(0);
471 headercount = 20;
472 break;
473 default:
474 break;
475 }
476 }
477
478 diff_tk_nin = tk_nin - old_tk_nin;
479 old_tk_nin = tk_nin;
480 diff_tk_nout = tk_nout - old_tk_nout;
481 old_tk_nout = tk_nout;
482
483 diff_cp_time.cp_user = cp_time.cp_user - old_cp_time.cp_user;
484 diff_cp_time.cp_nice = cp_time.cp_nice - old_cp_time.cp_nice;
485 diff_cp_time.cp_sys = cp_time.cp_sys - old_cp_time.cp_sys;
486 diff_cp_time.cp_intr = cp_time.cp_intr - old_cp_time.cp_intr;
487 diff_cp_time.cp_idle = cp_time.cp_idle - old_cp_time.cp_idle;
488 cp_time_total = diff_cp_time.cp_user + diff_cp_time.cp_nice +
489 diff_cp_time.cp_sys + diff_cp_time.cp_intr +
490 diff_cp_time.cp_idle;
491 old_cp_time = cp_time;
492
493 if (cp_time_total == 0.0)
494 cp_time_total = 1.0;
495
496 if ((dflag == 0) || (Tflag > 0))
497 printf("%4.0f%5.0f", diff_tk_nin / cp_time_total * 1e6,
498 diff_tk_nout / cp_time_total * 1e6);
499 devstats(hflag);
500 if ((dflag == 0) || (Cflag > 0))
501 cpustats();
502 printf("\n");
503 fflush(stdout);
504
505 if (count >= 0 && --count <= 0)
506 break;
507
508 sleep(waittime);
509 }
510
511 exit(0);
512 }
513
514 static void
adddeletion(const char * prefix,int num_selected,char *** deletions,int * num_deletions)515 adddeletion(const char *prefix, int num_selected,
516 char ***deletions, int *num_deletions)
517 {
518 int i;
519
520 for (i = 0; i < num_selected; i++) {
521 char tmpstr[80];
522
523 if (strcmp(prefix, dev_select[i].device_name) != 0)
524 continue;
525 snprintf(tmpstr, sizeof(tmpstr), "%s%d",
526 dev_select[i].device_name, dev_select[i].unit_number);
527 ++*num_deletions;
528 *deletions = realloc(*deletions,
529 *num_deletions * sizeof(char *));
530 (*deletions)[*num_deletions - 1] = strdup(tmpstr);
531 }
532 }
533
534
535 static void
phdr(__unused int signo)536 phdr(__unused int signo)
537 {
538 int i;
539 int printed;
540
541 if ((dflag == 0) || (Tflag > 0))
542 printf(" tty");
543 for (i = 0, printed=0;(i < num_devices) && (printed < maxshowdevs);i++){
544 int di;
545 if (dev_select[i].selected != 0) {
546 di = dev_select[i].position;
547 if (oflag > 0)
548 printf("%12.6s%d ",
549 cur.dinfo->devices[di].device_name,
550 cur.dinfo->devices[di].unit_number);
551 else
552 if (Dflag > 0)
553 printf("%19.6s%d ",
554 cur.dinfo->devices[di].device_name,
555 cur.dinfo->devices[di].unit_number);
556 else
557 printf("%15.6s%d ",
558 cur.dinfo->devices[di].device_name,
559 cur.dinfo->devices[di].unit_number);
560 printed++;
561 }
562 }
563 if ((dflag == 0) || (Cflag > 0))
564 printf(" cpu\n");
565 else
566 printf("\n");
567
568 if ((dflag == 0) || (Tflag > 0))
569 printf(" tin tout");
570
571 for (i=0, printed = 0;(i < num_devices) && (printed < maxshowdevs);i++){
572 if (dev_select[i].selected != 0) {
573 if (oflag > 0) {
574 if (Iflag == 0)
575 printf(" sps tps msps ");
576 else
577 printf(" blk xfr msps ");
578 } else {
579 if (Iflag == 0) {
580 if (Dflag > 0)
581 printf(" KB/t rtps MBr/s wtps MBw/s ");
582 else
583 printf(" KB/t tps MB/s ");
584 }
585 else
586 printf(" KB/t xfrs MB ");
587 }
588 printed++;
589 }
590 }
591 if ((dflag == 0) || (Cflag > 0))
592 printf(" us ni sy in id\n");
593 else
594 printf("\n");
595
596 }
597
598 static void
devstats(int perf_select)599 devstats(int perf_select)
600 {
601 int dn;
602 long double kb_per_transfer;
603 long double transfers_per_second;
604 long double transfers_per_secondr, transfers_per_secondw;
605 long double mb_per_second;
606 long double mb_per_secondr, mb_per_secondw;
607 u_int64_t total_bytes, total_transfers, total_blocks;
608 long double busy_seconds;
609 long double total_mb;
610 long double blocks_per_second, ms_per_transaction;
611
612 /*
613 * Calculate elapsed time up front, since it's the same for all
614 * devices.
615 */
616 busy_seconds = compute_etime(cur.busy_time, last.busy_time);
617
618 for (dn = 0; dn < num_devices; dn++) {
619 int di;
620
621 if (perf_select == 0 && dev_select[dn].selected == 0)
622 continue;
623
624 di = dev_select[dn].position;
625
626 if (compute_stats(&cur.dinfo->devices[di],
627 &last.dinfo->devices[di], busy_seconds,
628 &total_bytes, &total_transfers,
629 &total_blocks, &kb_per_transfer,
630 &transfers_per_second, &mb_per_second,
631 &blocks_per_second, &ms_per_transaction)!= 0)
632 errx(1, "%s", devstat_errbuf);
633 if (compute_stats_read(&cur.dinfo->devices[di],
634 &last.dinfo->devices[di], busy_seconds,
635 NULL, NULL,
636 NULL, NULL,
637 &transfers_per_secondr, &mb_per_secondr,
638 NULL, NULL)!= 0)
639 errx(1, "%s", devstat_errbuf);
640 if (compute_stats_write(&cur.dinfo->devices[di],
641 &last.dinfo->devices[di], busy_seconds,
642 NULL, NULL,
643 NULL, NULL,
644 &transfers_per_secondw, &mb_per_secondw,
645 NULL, NULL)!= 0)
646 errx(1, "%s", devstat_errbuf);
647
648 if (perf_select != 0) {
649 dev_select[dn].bytes = total_bytes;
650 if (dev_select[dn].selected == 0)
651 continue;
652 }
653
654 if (Kflag) {
655 int block_size = cur.dinfo->devices[di].block_size;
656 total_blocks = total_blocks * (block_size ?
657 block_size : 512) / 1024;
658 }
659
660 if (oflag > 0) {
661 int msdig = (ms_per_transaction < 100.0) ? 1 : 0;
662
663 if (Iflag == 0)
664 printf("%4.0Lf%4.0Lf%5.*Lf ",
665 blocks_per_second,
666 transfers_per_second,
667 msdig,
668 ms_per_transaction);
669 else
670 printf("%4.1ju%4.1ju%5.*Lf ",
671 (uintmax_t)total_blocks,
672 (uintmax_t)total_transfers,
673 msdig,
674 ms_per_transaction);
675 } else {
676 if (Iflag == 0)
677 if (Dflag > 0) {
678 printf(" %5.2Lf %4.0Lf %6.2Lf %4.0Lf %6.2Lf ",
679 kb_per_transfer,
680 transfers_per_secondr,
681 mb_per_secondr,
682 transfers_per_secondw,
683 mb_per_secondw);
684 } else {
685 printf(" %5.2Lf %4.0Lf %5.2Lf ",
686 kb_per_transfer,
687 transfers_per_second,
688 mb_per_second);
689 }
690 else {
691 total_mb = total_bytes;
692 total_mb /= 1024 * 1024;
693
694 printf(" %5.2Lf %3.1ju %5.2Lf ",
695 kb_per_transfer,
696 (uintmax_t)total_transfers,
697 total_mb);
698 }
699 }
700 }
701 }
702
703 static void
cpustats(void)704 cpustats(void)
705 {
706 if (cp_time_total == 0.0)
707 cp_time_total = 1.0;
708
709 printf(" %2.0f", 100. * diff_cp_time.cp_user / cp_time_total);
710 printf(" %2.0f", 100. * diff_cp_time.cp_nice / cp_time_total);
711 printf(" %2.0f", 100. * diff_cp_time.cp_sys / cp_time_total);
712 printf(" %2.0f", 100. * diff_cp_time.cp_intr / cp_time_total);
713 printf(" %2.0f", 100. * diff_cp_time.cp_idle / cp_time_total);
714 }
715