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-rw-r--r--util/Makefile4
-rw-r--r--util/diskstat.c760
2 files changed, 690 insertions, 74 deletions
diff --git a/util/Makefile b/util/Makefile
index 3daa4579..6babd188 100644
--- a/util/Makefile
+++ b/util/Makefile
@@ -1,4 +1,4 @@
-# $Id: Makefile,v 1.25 2003/03/28 13:39:29 in2 Exp $
+# $Id: Makefile,v 1.26 2003/03/29 08:01:49 in2 Exp $
BBSHOME?=$(HOME)
OSTYPE!=uname
@@ -167,7 +167,7 @@ shmctl: shmctl.c $(OBJS)
$(CC) $(CFLAGS) -o $@ $@.c $(OBJS)
diskstat: diskstat.c
- $(CC) $(CFLAGS) -o diskstat diskstat.c -ldevstat
+ $(CC) $(CFLAGS) -o diskstat diskstat.c -ldevstat -lkvm
install: $(PROGS)
install -d $(BBSHOME)/bin/
diff --git a/util/diskstat.c b/util/diskstat.c
index 86b6291c..0eef081b 100644
--- a/util/diskstat.c
+++ b/util/diskstat.c
@@ -1,99 +1,715 @@
+#ifndef FreeBSD
+ #include <stdio.h>
+ int main(int argc, char **argv)
+ {
+ puts("sorry, this program is designed for FreeBSD only");
+ return 0;
+ }
+#else
+/*
+ * Copyright (c) 1997, 1998 Kenneth D. Merry.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD: src/usr.sbin/iostat/iostat.c,v 1.17.2.2 2001/07/19 04:15:42 kris Exp $
+ */
+/*
+ * Parts of this program are derived from the original FreeBSD iostat
+ * program:
+ */
+/*-
+ * Copyright (c) 1986, 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+/*
+ * Ideas for the new iostat statistics output modes taken from the NetBSD
+ * version of iostat:
+ */
+/*
+ * Copyright (c) 1996 John M. Vinopal
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project
+ * by John M. Vinopal.
+ * 4. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+
+#include <sys/param.h>
+#include <sys/errno.h>
+#include <sys/dkstat.h>
+
+#include <err.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <kvm.h>
#include <stdio.h>
#include <stdlib.h>
-#include <sys/dkstat.h>
+#include <string.h>
+#include <unistd.h>
+#include <limits.h>
#include <devstat.h>
-#include <err.h>
-int main(int argc, char **argv)
-{
- return 0;
-}
+struct nlist namelist[] = {
+#define X_TK_NIN 0
+ { "_tk_nin" },
+#define X_TK_NOUT 1
+ { "_tk_nout" },
+#define X_CP_TIME 2
+ { "_cp_time" },
+#define X_HZ 3
+ { "_hz" },
+#define X_STATHZ 4
+ { "_stathz" },
+#define X_END 4
+ { NULL },
+};
-#if 0
-typedef enum {
- DS_MATCHTYPE_NONE,
- DS_MATCHTYPE_SPEC,
- DS_MATCHTYPE_PATTERN
-} last_match_type;
-last_match_type last_type;
+struct statinfo cur, last;
+int num_devices;
struct device_selection *dev_select;
-long generation;
-int num_devices, num_selected;
-int num_selections;
-long select_generation;
-struct devstat_match *matches = NULL;
-int num_matches = 0;
-char **specified_devices;
-int num_devices_specified = 0;
+int maxshowdevs;
+int dflag = 1, Iflag = 0, Cflag = 0, Tflag = 0, oflag = 0, Kflag = 0, Bflag = 1;
+
+#define nlread(x, v) \
+ kvm_read(kd, namelist[x].n_value, &(v), sizeof(v))
+
+/* local function declarations */
+static void usage(void);
+static void phdr(int signo);
+static void devstats(int perf_select);
+static void cpustats(void);
+static void printresult(int p);
+
+static void
+usage(void)
+{
+ /*
+ * We also support the following 'traditional' syntax:
+ * iostat [drives] [wait [count]]
+ * This isn't mentioned in the man page, or the usage statement,
+ * but it is supported.
+ */
+ fprintf(stderr, "usage: iostat [-CdhIKoT?] [-c count] [-M core]"
+ " [-n devs] [-N system]\n"
+ "\t [-t type,if,pass] [-w wait] [drives]\n");
+}
int
-dsinit(int maxshowdevs, struct statinfo *s1, struct statinfo *s2,
- struct statinfo *s3)
+main(int argc, char **argv)
{
- generation = 0;
- num_devices = 0;
- num_selected = 0;
- num_selections = 0;
- select_generation = 0;
- last_type = DS_MATCHTYPE_NONE;
-
- if (getdevs(s1) == -1)
+ int c;
+ register int i;
+ int tflag = 0, hflag = 0, cflag = 0, wflag = 1, nflag = 0;
+ int count = 0, waittime = 2;
+ char *memf = NULL, *nlistf = NULL;
+ struct devstat_match *matches;
+ int num_matches = 0;
+ char errbuf[_POSIX2_LINE_MAX];
+ kvm_t *kd;
+ int hz, stathz;
+ int headercount;
+ long generation;
+ int num_devices_specified;
+ int num_selected, num_selections;
+ long select_generation;
+ char **specified_devices;
+ devstat_select_mode select_mode;
+
+ matches = NULL;
+ maxshowdevs = 10;
+
+ while ((c = getopt(argc, argv, "c:CdhIKM:n:N:ot:Tw:?")) != -1) {
+ switch(c) {
+ case 'c':
+ cflag++;
+ count = atoi(optarg);
+ if (count < 1)
+ errx(1, "count %d is < 1", count);
+ break;
+ case 'C':
+ Cflag++;
+ break;
+ case 'd':
+ dflag++;
+ break;
+ case 'h':
+ hflag++;
+ break;
+ case 'I':
+ Iflag++;
+ break;
+ case 'K':
+ Kflag++;
+ break;
+ case 'M':
+ memf = optarg;
+ break;
+ case 'n':
+ nflag++;
+ maxshowdevs = atoi(optarg);
+ if (maxshowdevs < 0)
+ errx(1, "number of devices %d is < 0",
+ maxshowdevs);
+ break;
+ case 'N':
+ nlistf = optarg;
+ break;
+ case 'o':
+ oflag++;
+ break;
+ case 't':
+ tflag++;
+ if (buildmatch(optarg, &matches,
+ &num_matches) != 0)
+ errx(1, "%s", devstat_errbuf);
+ break;
+ case 'T':
+ Tflag++;
+ break;
+ case 'w':
+ wflag++;
+ waittime = atoi(optarg);
+ if (waittime < 1)
+ errx(1, "wait time is < 1");
+ break;
+ default:
+ usage();
+ exit(1);
+ break;
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /*
+ * Discard setgid privileges if not the running kernel so that bad
+ * guys can't print interesting stuff from kernel memory.
+ */
+ if (nlistf != NULL || memf != NULL)
+ setgid(getgid());
+
+ /*
+ * Make sure that the userland devstat version matches the kernel
+ * devstat version. If not, exit and print a message informing
+ * the user of his mistake.
+ */
+ if (checkversion() < 0)
errx(1, "%s", devstat_errbuf);
- num_devices = s1->dinfo->numdevs;
- generation = s1->dinfo->generation;
+#if 0
+ /*
+ * Figure out how many devices we should display.
+ */
+ if (nflag == 0) {
+ if (oflag > 0) {
+ if ((dflag > 0) && (Cflag == 0) && (Tflag == 0))
+ maxshowdevs = 5;
+ else if ((dflag > 0) && (Tflag > 0) && (Cflag == 0))
+ maxshowdevs = 5;
+ else
+ maxshowdevs = 4;
+ } else {
+ if ((dflag > 0) && (Cflag == 0))
+ maxshowdevs = 4;
+ else
+ maxshowdevs = 3;
+ }
+ }
+#endif
+
+ signal(SIGINT, printresult);
+ /* find out how many devices we have */
+ if ((num_devices = getnumdevs()) < 0)
+ err(1, "can't get number of devices");
+
+ if ((cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) ==
+ NULL)
+ err(1, "devinfo malloc failed");
+ if ((last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo))) ==
+ NULL)
+ err(1, "devinfo malloc failed");
+ bzero(cur.dinfo, sizeof(struct devinfo));
+ bzero(last.dinfo, sizeof(struct devinfo));
+
+ /*
+ * Grab all the devices. We don't look to see if the list has
+ * changed here, since it almost certainly has. We only look for
+ * errors.
+ */
+ if (getdevs(&cur) == -1)
+ errx(1, "%s", devstat_errbuf);
+
+ num_devices = cur.dinfo->numdevs;
+ generation = cur.dinfo->generation;
+
+ /*
+ * If the user specified any devices on the command line, see if
+ * they are in the list of devices we have now.
+ */
+ if ((specified_devices = (char **)malloc(sizeof(char *))) == NULL)
+ err(1, "specified_devices malloc failed");
+ for (num_devices_specified = 0; *argv; ++argv) {
+ if (isdigit(**argv))
+ break;
+ num_devices_specified++;
+ specified_devices = (char **)realloc(specified_devices,
+ sizeof(char *) *
+ num_devices_specified);
+ specified_devices[num_devices_specified - 1] = *argv;
+
+ }
+ if (nflag == 0 && maxshowdevs < num_devices_specified)
+ maxshowdevs = num_devices_specified;
dev_select = NULL;
+ if ((num_devices_specified == 0) && (num_matches == 0))
+ select_mode = DS_SELECT_ADD;
+ else
+ select_mode = DS_SELECT_ONLY;
+
/*
* At this point, selectdevs will almost surely indicate that the
* device list has changed, so we don't look for return values of 0
* or 1. If we get back -1, though, there is an error.
*/
- if (selectdevs(&dev_select, &num_selected, &num_selections,
- &select_generation, generation, s1->dinfo->devices,
- num_devices, NULL, 0, NULL, 0, DS_SELECT_ADD,
- maxshowdevs, 0) == -1)
+ if (selectdevs(&dev_select, &num_selected,
+ &num_selections, &select_generation,
+ generation, cur.dinfo->devices, num_devices,
+ matches, num_matches,
+ specified_devices, num_devices_specified,
+ select_mode, maxshowdevs, hflag) == -1)
errx(1, "%s", devstat_errbuf);
- return(1);
+ /*
+ * Look for the traditional wait time and count arguments.
+ */
+ if (*argv) {
+ waittime = atoi(*argv);
+
+ /* Let the user know he goofed, but keep going anyway */
+ if (wflag != 0)
+ warnx("discarding previous wait interval, using"
+ " %d instead", waittime);
+ wflag++;
+
+ if (*++argv) {
+ count = atoi(*argv);
+ if (cflag != 0)
+ warnx("discarding previous count, using %d"
+ " instead", count);
+ cflag++;
+ } else
+ count = -1;
+ }
+
+ /*
+ * If the user specified a count, but not an interval, we default
+ * to an interval of 1 second.
+ */
+ if ((wflag == 0) && (cflag > 0))
+ waittime = 1;
+
+ /*
+ * If the user specified a wait time, but not a count, we want to
+ * go on ad infinitum. This can be redundant if the user uses the
+ * traditional method of specifying the wait, since in that case we
+ * already set count = -1 above. Oh well.
+ */
+ if ((wflag > 0) && (cflag == 0))
+ count = -1;
+
+ kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
+
+ if (kd == 0)
+ errx(1, "kvm_openfiles: %s", errbuf);
+
+ if (kvm_nlist(kd, namelist) == -1)
+ errx(1, "kvm_nlist: %s", kvm_geterr(kd));
+
+ (void)nlread(X_HZ, hz);
+ (void)nlread(X_STATHZ, stathz);
+ if (stathz)
+ hz = stathz;
+
+ /*
+ * If the user stops the program (control-Z) and then resumes it,
+ * print out the header again.
+ */
+ (void)signal(SIGCONT, phdr);
+
+ for (headercount = 1;;) {
+ struct devinfo *tmp_dinfo;
+ long tmp;
+ double etime;
+
+ if (!--headercount) {
+ phdr(0);
+ headercount = 20;
+ }
+ (void)kvm_read(kd, namelist[X_TK_NIN].n_value,
+ &cur.tk_nin, sizeof(cur.tk_nin));
+ (void)kvm_read(kd, namelist[X_TK_NOUT].n_value,
+ &cur.tk_nout, sizeof(cur.tk_nout));
+ (void)kvm_read(kd, namelist[X_CP_TIME].n_value,
+ cur.cp_time, sizeof(cur.cp_time));
+
+ tmp_dinfo = last.dinfo;
+ last.dinfo = cur.dinfo;
+ cur.dinfo = tmp_dinfo;
+
+ last.busy_time = cur.busy_time;
+
+ /*
+ * Here what we want to do is refresh our device stats.
+ * getdevs() returns 1 when the device list has changed.
+ * If the device list has changed, we want to go through
+ * the selection process again, in case a device that we
+ * were previously displaying has gone away.
+ */
+ switch (getdevs(&cur)) {
+ case -1:
+ errx(1, "%s", devstat_errbuf);
+ break;
+ case 1: {
+ int retval;
+
+ num_devices = cur.dinfo->numdevs;
+ generation = cur.dinfo->generation;
+ retval = selectdevs(&dev_select, &num_selected,
+ &num_selections, &select_generation,
+ generation, cur.dinfo->devices,
+ num_devices, matches, num_matches,
+ specified_devices,
+ num_devices_specified,
+ select_mode, maxshowdevs, hflag);
+ switch(retval) {
+ case -1:
+ errx(1, "%s", devstat_errbuf);
+ break;
+ case 1:
+ phdr(0);
+ headercount = 20;
+ break;
+ default:
+ break;
+ }
+ break;
+ }
+ default:
+ break;
+ }
+
+ /*
+ * We only want to re-select devices if we're in 'top'
+ * mode. This is the only mode where the devices selected
+ * could actually change.
+ */
+ if (hflag > 0) {
+ int retval;
+ retval = selectdevs(&dev_select, &num_selected,
+ &num_selections, &select_generation,
+ generation, cur.dinfo->devices,
+ num_devices, matches, num_matches,
+ specified_devices,
+ num_devices_specified,
+ select_mode, maxshowdevs, hflag);
+ switch(retval) {
+ case -1:
+ errx(1,"%s", devstat_errbuf);
+ break;
+ case 1:
+ phdr(0);
+ headercount = 20;
+ break;
+ default:
+ break;
+ }
+ }
+
+ tmp = cur.tk_nin;
+ cur.tk_nin -= last.tk_nin;
+ last.tk_nin = tmp;
+ tmp = cur.tk_nout;
+ cur.tk_nout -= last.tk_nout;
+ last.tk_nout = tmp;
+
+ etime = 0.0;
+
+#define X(fld) tmp = cur.fld[i]; cur.fld[i] -= last.fld[i]; last.fld[i] = tmp
+
+ for (i = 0; i < CPUSTATES; i++) {
+ X(cp_time);
+ etime += cur.cp_time[i];
+ }
+ if (etime == 0.0)
+ etime = 1.0;
+ etime /= (float)hz;
+ if ((dflag == 0) || (Tflag > 0))
+ printf("%4.0f%5.0f", cur.tk_nin / etime,
+ cur.tk_nout/etime);
+ devstats(hflag);
+ if ((dflag == 0) || (Cflag > 0))
+ cpustats();
+ printf("\n");
+ fflush(stdout);
+
+ if (count >= 0 && --count <= 0)
+ break;
+
+ sleep(waittime);
+ }
+
+ exit(0);
}
static void
-dinfo(dn, lc, now, then)
- int dn, lc;
- struct statinfo *now, *then;
+phdr(int signo)
{
- long double transfers_per_second;
- long double kb_per_transfer, mb_per_second;
- long double elapsed_time, device_busy;
- int di;
-
- di = dev_select[dn].position;
-
- elapsed_time = devstat_compute_etime(now->busy_time,
- then ? then->busy_time : now->dinfo->devices[di].dev_creation_time);
-
- device_busy = devstat_compute_etime(now->dinfo->devices[di].busy_time,
- then ? then->dinfo->devices[di].busy_time :
- now->dinfo->devices[di].dev_creation_time);
-
- if ((device_busy == 0) && (transfers_per_second > 5))
- /* the device has been 100% busy, fake it because
- * as long as the device is 100% busy the busy_time
- * field in the devstat struct is not updated */
- device_busy = elapsed_time;
- if (device_busy > elapsed_time)
- /* this normally happens after one or more periods
- * where the device has been 100% busy, correct it */
- device_busy = elapsed_time;
-
- /*
- putlongdouble(kb_per_transfer, DISKROW + 1, lc, 5, 2, 0);
- putlongdouble(transfers_per_second, DISKROW + 2, lc, 5, 0, 0);
- putlongdouble(mb_per_second, DISKROW + 3, lc, 5, 2, 0);
- putlongdouble(device_busy * 100 / elapsed_time, DISKROW + 4, lc, 5, 0, 0);
- */
+ register int i;
+ int printed;
+
+ if ((dflag == 0) || (Tflag > 0))
+ (void)printf(" tty");
+ for (i = 0, printed=0;(i < num_devices) && (printed < maxshowdevs);i++){
+ int di;
+ if ((dev_select[i].selected != 0)
+ && (dev_select[i].selected <= maxshowdevs)) {
+ di = dev_select[i].position;
+ if (oflag > 0)
+ (void)printf("%12.6s%d ",
+ cur.dinfo->devices[di].device_name,
+ cur.dinfo->devices[di].unit_number);
+ else
+ printf("%4s%d ",
+ cur.dinfo->devices[di].device_name,
+ cur.dinfo->devices[di].unit_number);
+ printed++;
+ }
+ }
+ if ((dflag == 0) || (Cflag > 0))
+ (void)printf(" cpu\n");
+ else
+ (void)printf("\n");
+
+ if ((dflag == 0) || (Tflag > 0))
+ (void)printf(" tin tout");
+
+ for (i=0, printed = 0;(i < num_devices) && (printed < maxshowdevs);i++){
+ if ((dev_select[i].selected != 0)
+ && (dev_select[i].selected <= maxshowdevs)) {
+ if (oflag > 0) {
+ if (Iflag == 0)
+ (void)printf(" sps tps msps ");
+ else
+ (void)printf(" blk xfr msps ");
+ } else {
+ if(Bflag)
+ printf(" busy ");
+ else if (Iflag == 0)
+ printf(" KB/t tps MB/s ");
+ else
+ printf(" KB/t xfrs MB ");
+ }
+ printed++;
+ }
+ }
+ if ((dflag == 0) || (Cflag > 0))
+ (void)printf(" us ni sy in id\n");
+ else
+ printf("\n");
+
}
-#endif
+int counttimes, busydata[1024];
+
+static void printresult(int p)
+{
+ int dn;
+ for (dn = 0; dn < num_devices; dn++)
+ printf(" %3d%% ", (busydata[dn] / counttimes));
+ printf("\n");
+ exit(0);
+}
+
+static void
+devstats(int perf_select)
+{
+ register int dn;
+ long double transfers_per_second;
+ long double kb_per_transfer, mb_per_second;
+ u_int64_t total_bytes, total_transfers, total_blocks;
+ long double busy_seconds;
+ long double total_mb;
+ long double blocks_per_second, ms_per_transaction;
+ long double device_busy;
+
+ /*
+ * Calculate elapsed time up front, since it's the same for all
+ * devices.
+ */
+ busy_seconds = compute_etime(cur.busy_time, last.busy_time);
+
+ for (dn = 0; dn < num_devices; dn++) {
+ int di;
+
+ if (((perf_select == 0) && (dev_select[dn].selected == 0))
+ || (dev_select[dn].selected > maxshowdevs))
+ continue;
+
+ di = dev_select[dn].position;
+
+ device_busy = compute_etime(cur.dinfo->devices[di].busy_time,
+ last.dinfo->devices[di].busy_time);
+
+ busydata[dn] += (int)(device_busy*100/busy_seconds);
+ if (compute_stats(&cur.dinfo->devices[di],
+ &last.dinfo->devices[di], busy_seconds,
+ &total_bytes, &total_transfers,
+ &total_blocks, &kb_per_transfer,
+ &transfers_per_second, &mb_per_second,
+ &blocks_per_second, &ms_per_transaction)!= 0)
+ errx(1, "%s", devstat_errbuf);
+
+ if (perf_select != 0) {
+ dev_select[dn].bytes = total_bytes;
+ if ((dev_select[dn].selected == 0)
+ || (dev_select[dn].selected > maxshowdevs))
+ continue;
+ }
+
+ if (Kflag) {
+ int block_size = cur.dinfo->devices[di].block_size;
+ total_blocks = total_blocks * (block_size ?
+ block_size : 512) / 1024;
+ }
+
+ if (oflag > 0) {
+ int msdig = (ms_per_transaction < 100.0) ? 1 : 0;
+
+ if (Iflag == 0)
+ printf("%4.0Lf%4.0Lf%5.*Lf ",
+ blocks_per_second,
+ transfers_per_second,
+ msdig,
+ ms_per_transaction);
+ else
+ printf("%4.1qu%4.1qu%5.*Lf ",
+ total_blocks,
+ total_transfers,
+ msdig,
+ ms_per_transaction);
+ } else {
+ if (Bflag)
+ printf(" %3d%% ", (int)(device_busy*100/busy_seconds));
+ else if (Iflag == 0){
+ printf(" %5.2Lf %3.0Lf %5.2Lf ",
+ kb_per_transfer,
+ transfers_per_second,
+ mb_per_second);
+
+ }
+ else {
+ total_mb = total_bytes;
+ total_mb /= 1024 * 1024;
+
+ printf(" %5.2Lf %3.1qu %5.2Lf ",
+ kb_per_transfer,
+ total_transfers,
+ total_mb);
+ }
+ }
+ }
+ ++counttimes;
+}
+
+static void
+cpustats(void)
+{
+ register int state;
+ double time;
+
+ time = 0.0;
+
+ for (state = 0; state < CPUSTATES; ++state)
+ time += cur.cp_time[state];
+ for (state = 0; state < CPUSTATES; ++state)
+ printf("%3.0f",
+ 100. * cur.cp_time[state] / (time ? time : 1));
+}
+#endif // FreeBSD
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