933 lines
24 KiB
C
933 lines
24 KiB
C
/*
|
|
* Copyright (c) 1980, 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char copyright[] =
|
|
"@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
|
|
The Regents of the University of California. All rights reserved.\n";
|
|
#endif /* not lint */
|
|
|
|
#ifndef lint
|
|
#if 0
|
|
static char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93";
|
|
#endif
|
|
static const char rcsid[] =
|
|
"$Id: vmstat.c,v 1.27 1998/09/20 00:11:17 ken Exp $";
|
|
#endif /* not lint */
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/time.h>
|
|
#include <sys/proc.h>
|
|
#include <sys/dkstat.h>
|
|
#include <sys/buf.h>
|
|
#include <sys/uio.h>
|
|
#include <sys/namei.h>
|
|
#include <sys/malloc.h>
|
|
#include <sys/signal.h>
|
|
#include <sys/fcntl.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/sysctl.h>
|
|
#include <sys/vmmeter.h>
|
|
|
|
#include <vm/vm_param.h>
|
|
|
|
#include <ctype.h>
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <kvm.h>
|
|
#include <limits.h>
|
|
#include <nlist.h>
|
|
#include <paths.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <sysexits.h>
|
|
#include <time.h>
|
|
#include <unistd.h>
|
|
#include <devstat.h>
|
|
|
|
struct nlist namelist[] = {
|
|
#define X_CPTIME 0
|
|
{ "_cp_time" },
|
|
#define X_SUM 1
|
|
{ "_cnt" },
|
|
#define X_BOOTTIME 2
|
|
{ "_boottime" },
|
|
#define X_HZ 3
|
|
{ "_hz" },
|
|
#define X_STATHZ 4
|
|
{ "_stathz" },
|
|
#define X_NCHSTATS 5
|
|
{ "_nchstats" },
|
|
#define X_INTRNAMES 6
|
|
{ "_intrnames" },
|
|
#define X_EINTRNAMES 7
|
|
{ "_eintrnames" },
|
|
#define X_INTRCNT 8
|
|
{ "_intrcnt" },
|
|
#define X_EINTRCNT 9
|
|
{ "_eintrcnt" },
|
|
#define X_KMEMSTATISTICS 10
|
|
{ "_kmemstatistics" },
|
|
#define X_KMEMBUCKETS 11
|
|
{ "_bucket" },
|
|
#ifdef notyet
|
|
#define X_DEFICIT 12
|
|
{ "_deficit" },
|
|
#define X_FORKSTAT 13
|
|
{ "_forkstat" },
|
|
#define X_REC 14
|
|
{ "_rectime" },
|
|
#define X_PGIN 15
|
|
{ "_pgintime" },
|
|
#define X_XSTATS 16
|
|
{ "_xstats" },
|
|
#define X_END 17
|
|
#else
|
|
#define X_END 14
|
|
#endif
|
|
#if defined(hp300) || defined(luna68k)
|
|
#define X_HPDINIT (X_END)
|
|
{ "_hp_dinit" },
|
|
#endif
|
|
#ifdef mips
|
|
#define X_SCSI_DINIT (X_END)
|
|
{ "_scsi_dinit" },
|
|
#endif
|
|
#ifdef tahoe
|
|
#define X_VBDINIT (X_END)
|
|
{ "_vbdinit" },
|
|
#define X_CKEYSTATS (X_END+1)
|
|
{ "_ckeystats" },
|
|
#define X_DKEYSTATS (X_END+2)
|
|
{ "_dkeystats" },
|
|
#endif
|
|
#ifdef vax
|
|
#define X_MBDINIT (X_END)
|
|
{ "_mbdinit" },
|
|
#define X_UBDINIT (X_END+1)
|
|
{ "_ubdinit" },
|
|
#endif
|
|
{ "" },
|
|
};
|
|
|
|
struct statinfo cur, last;
|
|
int num_devices, maxshowdevs;
|
|
long generation;
|
|
struct device_selection *dev_select;
|
|
int num_selected;
|
|
struct devstat_match *matches;
|
|
int num_matches = 0;
|
|
int num_devices_specified, num_selections;
|
|
long select_generation;
|
|
char **specified_devices;
|
|
devstat_select_mode select_mode;
|
|
|
|
struct vmmeter sum, osum;
|
|
|
|
int winlines = 20;
|
|
int nflag = 0;
|
|
|
|
kvm_t *kd;
|
|
|
|
#define FORKSTAT 0x01
|
|
#define INTRSTAT 0x02
|
|
#define MEMSTAT 0x04
|
|
#define SUMSTAT 0x08
|
|
#define TIMESTAT 0x10
|
|
#define VMSTAT 0x20
|
|
|
|
void cpustats(), dointr(), domem(), dosum();
|
|
void dovmstat(), kread(), usage();
|
|
#ifdef notyet
|
|
void dotimes(), doforkst();
|
|
#endif
|
|
void printhdr __P((void));
|
|
static void devstats();
|
|
|
|
int
|
|
main(argc, argv)
|
|
register int argc;
|
|
register char **argv;
|
|
{
|
|
register int c, todo;
|
|
u_int interval;
|
|
int reps;
|
|
char *memf, *nlistf;
|
|
char errbuf[_POSIX2_LINE_MAX];
|
|
char *err_str;
|
|
|
|
memf = nlistf = NULL;
|
|
interval = reps = todo = 0;
|
|
maxshowdevs = 3;
|
|
while ((c = getopt(argc, argv, "c:fiM:mN:n:p:stw:")) != -1) {
|
|
switch (c) {
|
|
case 'c':
|
|
reps = atoi(optarg);
|
|
break;
|
|
case 'f':
|
|
#ifdef notyet
|
|
todo |= FORKSTAT;
|
|
#else
|
|
errx(EX_USAGE, "sorry, -f is not (re)implemented yet");
|
|
#endif
|
|
break;
|
|
case 'i':
|
|
todo |= INTRSTAT;
|
|
break;
|
|
case 'M':
|
|
memf = optarg;
|
|
break;
|
|
case 'm':
|
|
todo |= MEMSTAT;
|
|
break;
|
|
case 'N':
|
|
nlistf = optarg;
|
|
break;
|
|
case 'n':
|
|
nflag = 1;
|
|
maxshowdevs = atoi(optarg);
|
|
if (maxshowdevs < 0)
|
|
errx(1, "number of devices %d is < 0",
|
|
maxshowdevs);
|
|
break;
|
|
case 'p':
|
|
if (buildmatch(optarg, &matches, &num_matches) != 0)
|
|
errx(1, "%s", devstat_errbuf);
|
|
break;
|
|
case 's':
|
|
todo |= SUMSTAT;
|
|
break;
|
|
case 't':
|
|
#ifdef notyet
|
|
todo |= TIMESTAT;
|
|
#else
|
|
errx(EX_USAGE, "sorry, -t is not (re)implemented yet");
|
|
#endif
|
|
break;
|
|
case 'w':
|
|
interval = atoi(optarg);
|
|
break;
|
|
case '?':
|
|
default:
|
|
usage();
|
|
}
|
|
}
|
|
argc -= optind;
|
|
argv += optind;
|
|
|
|
if (todo == 0)
|
|
todo = VMSTAT;
|
|
|
|
/*
|
|
* 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());
|
|
|
|
kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
|
|
if (kd == 0)
|
|
errx(1, "kvm_openfiles: %s", errbuf);
|
|
|
|
if ((c = kvm_nlist(kd, namelist)) != 0) {
|
|
if (c > 0) {
|
|
warnx("undefined symbols:");
|
|
for (c = 0;
|
|
c < sizeof(namelist)/sizeof(namelist[0]); c++)
|
|
if (namelist[c].n_type == 0)
|
|
fprintf(stderr, " %s",
|
|
namelist[c].n_name);
|
|
(void)fputc('\n', stderr);
|
|
} else
|
|
warnx("kvm_nlist: %s", kvm_geterr(kd));
|
|
exit(1);
|
|
}
|
|
|
|
if (todo & VMSTAT) {
|
|
char **getdrivedata();
|
|
struct winsize winsize;
|
|
|
|
argv = getdrivedata(argv);
|
|
winsize.ws_row = 0;
|
|
(void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
|
|
if (winsize.ws_row > 0)
|
|
winlines = winsize.ws_row;
|
|
|
|
}
|
|
|
|
#define BACKWARD_COMPATIBILITY
|
|
#ifdef BACKWARD_COMPATIBILITY
|
|
if (*argv) {
|
|
interval = atoi(*argv);
|
|
if (*++argv)
|
|
reps = atoi(*argv);
|
|
}
|
|
#endif
|
|
|
|
if (interval) {
|
|
if (!reps)
|
|
reps = -1;
|
|
} else if (reps)
|
|
interval = 1;
|
|
|
|
#ifdef notyet
|
|
if (todo & FORKSTAT)
|
|
doforkst();
|
|
#endif
|
|
if (todo & MEMSTAT)
|
|
domem();
|
|
if (todo & SUMSTAT)
|
|
dosum();
|
|
#ifdef notyet
|
|
if (todo & TIMESTAT)
|
|
dotimes();
|
|
#endif
|
|
if (todo & INTRSTAT)
|
|
dointr();
|
|
if (todo & VMSTAT)
|
|
dovmstat(interval, reps);
|
|
exit(0);
|
|
}
|
|
|
|
char **
|
|
getdrivedata(argv)
|
|
char **argv;
|
|
{
|
|
register int i;
|
|
char buf[30];
|
|
|
|
if ((num_devices = getnumdevs()) < 0)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
|
|
last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
|
|
bzero(cur.dinfo, sizeof(struct devinfo));
|
|
bzero(last.dinfo, sizeof(struct devinfo));
|
|
|
|
if (getdevs(&cur) == -1)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
num_devices = cur.dinfo->numdevs;
|
|
generation = cur.dinfo->generation;
|
|
|
|
specified_devices = (char **)malloc(sizeof(char *));
|
|
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;
|
|
}
|
|
dev_select = NULL;
|
|
|
|
if (nflag == 0 && maxshowdevs < num_devices_specified)
|
|
maxshowdevs = num_devices_specified;
|
|
|
|
/*
|
|
* People are generally only interested in disk statistics when
|
|
* they're running vmstat. So, that's what we're going to give
|
|
* them if they don't specify anything by default. We'll also give
|
|
* them any other random devices in the system so that we get to
|
|
* maxshowdevs devices, if that many devices exist. If the user
|
|
* specifies devices on the command line, either through a pattern
|
|
* match or by naming them explicitly, we will give the user only
|
|
* those devices.
|
|
*/
|
|
if ((num_devices_specified == 0) && (num_matches == 0)) {
|
|
if (buildmatch("da", &matches, &num_matches) != 0)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
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, cur.dinfo->devices,
|
|
num_devices, matches, num_matches, specified_devices,
|
|
num_devices_specified, select_mode,
|
|
maxshowdevs, 0) == -1)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
return(argv);
|
|
}
|
|
|
|
long
|
|
getuptime()
|
|
{
|
|
static time_t now, boottime;
|
|
time_t uptime;
|
|
|
|
if (boottime == 0)
|
|
kread(X_BOOTTIME, &boottime, sizeof(boottime));
|
|
(void)time(&now);
|
|
uptime = now - boottime;
|
|
if (uptime <= 0 || uptime > 60*60*24*365*10)
|
|
errx(1, "time makes no sense; namelist must be wrong");
|
|
return(uptime);
|
|
}
|
|
|
|
int hz, hdrcnt;
|
|
|
|
void
|
|
dovmstat(interval, reps)
|
|
u_int interval;
|
|
int reps;
|
|
{
|
|
struct vmtotal total;
|
|
time_t uptime, halfuptime;
|
|
struct devinfo *tmp_dinfo;
|
|
void needhdr();
|
|
int mib[2], size;
|
|
|
|
uptime = getuptime();
|
|
halfuptime = uptime / 2;
|
|
(void)signal(SIGCONT, needhdr);
|
|
|
|
if (namelist[X_STATHZ].n_type != 0 && namelist[X_STATHZ].n_value != 0)
|
|
kread(X_STATHZ, &hz, sizeof(hz));
|
|
if (!hz)
|
|
kread(X_HZ, &hz, sizeof(hz));
|
|
|
|
/*
|
|
* 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);
|
|
|
|
for (hdrcnt = 1;;) {
|
|
if (!--hdrcnt)
|
|
printhdr();
|
|
kread(X_CPTIME, 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, 0);
|
|
switch (retval) {
|
|
case -1:
|
|
errx(1, "%s", devstat_errbuf);
|
|
break;
|
|
case 1:
|
|
printhdr();
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
|
|
kread(X_SUM, &sum, sizeof(sum));
|
|
size = sizeof(total);
|
|
mib[0] = CTL_VM;
|
|
mib[1] = VM_METER;
|
|
if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
|
|
printf("Can't get kerninfo: %s\n", strerror(errno));
|
|
bzero(&total, sizeof(total));
|
|
}
|
|
(void)printf("%2d%2d%2d",
|
|
total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
|
|
#define pgtok(a) ((a) * sum.v_page_size >> 10)
|
|
#define rate(x) (((x) + halfuptime) / uptime) /* round */
|
|
(void)printf("%8ld%6ld ",
|
|
(long)pgtok(total.t_avm), (long)pgtok(total.t_free));
|
|
(void)printf("%4lu ",
|
|
(u_long)rate(sum.v_vm_faults - osum.v_vm_faults));
|
|
(void)printf("%3lu ",
|
|
(u_long)rate(sum.v_reactivated - osum.v_reactivated));
|
|
(void)printf("%3lu ",
|
|
(u_long)rate(sum.v_swapin + sum.v_vnodein -
|
|
(osum.v_swapin + osum.v_vnodein)));
|
|
(void)printf("%3lu ",
|
|
(u_long)rate(sum.v_swapout + sum.v_vnodeout -
|
|
(osum.v_swapout + osum.v_vnodeout)));
|
|
(void)printf("%3lu ",
|
|
(u_long)rate(sum.v_tfree - osum.v_tfree));
|
|
(void)printf("%3lu ",
|
|
(u_long)rate(sum.v_pdpages - osum.v_pdpages));
|
|
devstats();
|
|
(void)printf("%4lu %4lu %3lu ",
|
|
(u_long)rate(sum.v_intr - osum.v_intr),
|
|
(u_long)rate(sum.v_syscall - osum.v_syscall),
|
|
(u_long)rate(sum.v_swtch - osum.v_swtch));
|
|
cpustats();
|
|
(void)printf("\n");
|
|
(void)fflush(stdout);
|
|
if (reps >= 0 && --reps <= 0)
|
|
break;
|
|
osum = sum;
|
|
uptime = interval;
|
|
/*
|
|
* We round upward to avoid losing low-frequency events
|
|
* (i.e., >= 1 per interval but < 1 per second).
|
|
*/
|
|
if (interval != 1)
|
|
halfuptime = (uptime + 1) / 2;
|
|
else
|
|
halfuptime = 0;
|
|
(void)sleep(interval);
|
|
}
|
|
}
|
|
|
|
void
|
|
printhdr()
|
|
{
|
|
register int i;
|
|
|
|
(void)printf(" procs memory page%*s", 19, "");
|
|
if (num_selected > 1)
|
|
(void)printf("disks %*s faults cpu\n",
|
|
((num_selected < maxshowdevs) ? num_selected :
|
|
maxshowdevs ) * 4 - 7, "");
|
|
else if (num_selected == 1)
|
|
(void)printf("disk faults cpu\n");
|
|
else
|
|
(void)printf("%*s faults cpu\n", num_selected * 4, "");
|
|
|
|
(void)printf(" r b w avm fre flt re pi po fr sr ");
|
|
for (i = 0; i < num_devices; i++)
|
|
if ((dev_select[i].selected)
|
|
&& (dev_select[i].selected <= maxshowdevs))
|
|
(void)printf("%c%c%d ", dev_select[i].device_name[0],
|
|
dev_select[i].device_name[1],
|
|
dev_select[i].unit_number);
|
|
(void)printf(" in sy cs us sy id\n");
|
|
hdrcnt = winlines - 2;
|
|
}
|
|
|
|
/*
|
|
* Force a header to be prepended to the next output.
|
|
*/
|
|
void
|
|
needhdr()
|
|
{
|
|
|
|
hdrcnt = 1;
|
|
}
|
|
|
|
#ifdef notyet
|
|
void
|
|
dotimes()
|
|
{
|
|
u_int pgintime, rectime;
|
|
|
|
kread(X_REC, &rectime, sizeof(rectime));
|
|
kread(X_PGIN, &pgintime, sizeof(pgintime));
|
|
kread(X_SUM, &sum, sizeof(sum));
|
|
(void)printf("%u reclaims, %u total time (usec)\n",
|
|
sum.v_pgrec, rectime);
|
|
(void)printf("average: %u usec / reclaim\n", rectime / sum.v_pgrec);
|
|
(void)printf("\n");
|
|
(void)printf("%u page ins, %u total time (msec)\n",
|
|
sum.v_pgin, pgintime / 10);
|
|
(void)printf("average: %8.1f msec / page in\n",
|
|
pgintime / (sum.v_pgin * 10.0));
|
|
}
|
|
#endif
|
|
|
|
long
|
|
pct(top, bot)
|
|
long top, bot;
|
|
{
|
|
long ans;
|
|
|
|
if (bot == 0)
|
|
return(0);
|
|
ans = (quad_t)top * 100 / bot;
|
|
return (ans);
|
|
}
|
|
|
|
#define PCT(top, bot) pct((long)(top), (long)(bot))
|
|
|
|
#if defined(tahoe)
|
|
#include <machine/cpu.h>
|
|
#endif
|
|
|
|
void
|
|
dosum()
|
|
{
|
|
struct nchstats nchstats;
|
|
long nchtotal;
|
|
#if defined(tahoe)
|
|
struct keystats keystats;
|
|
#endif
|
|
|
|
kread(X_SUM, &sum, sizeof(sum));
|
|
(void)printf("%9u cpu context switches\n", sum.v_swtch);
|
|
(void)printf("%9u device interrupts\n", sum.v_intr);
|
|
(void)printf("%9u software interrupts\n", sum.v_soft);
|
|
#ifdef vax
|
|
(void)printf("%9u pseudo-dma dz interrupts\n", sum.v_pdma);
|
|
#endif
|
|
(void)printf("%9u traps\n", sum.v_trap);
|
|
(void)printf("%9u system calls\n", sum.v_syscall);
|
|
(void)printf("%9u swap pager pageins\n", sum.v_swapin);
|
|
(void)printf("%9u swap pager pages paged in\n", sum.v_swappgsin);
|
|
(void)printf("%9u swap pager pageouts\n", sum.v_swapout);
|
|
(void)printf("%9u swap pager pages paged out\n", sum.v_swappgsout);
|
|
(void)printf("%9u vnode pager pageins\n", sum.v_vnodein);
|
|
(void)printf("%9u vnode pager pages paged in\n", sum.v_vnodepgsin);
|
|
(void)printf("%9u vnode pager pageouts\n", sum.v_vnodeout);
|
|
(void)printf("%9u vnode pager pages paged out\n", sum.v_vnodepgsout);
|
|
(void)printf("%9u page daemon wakeups\n", sum.v_pdwakeups);
|
|
(void)printf("%9u pages examined by the page daemon\n", sum.v_pdpages);
|
|
(void)printf("%9u pages reactivated\n", sum.v_reactivated);
|
|
(void)printf("%9u copy-on-write faults\n", sum.v_cow_faults);
|
|
(void)printf("%9u copy-on-write optimized faults\n", sum.v_cow_optim);
|
|
(void)printf("%9u zero fill pages zeroed\n", sum.v_zfod);
|
|
(void)printf("%9u zero fill pages prezeroed\n", sum.v_ozfod);
|
|
(void)printf("%9u intransit blocking page faults\n", sum.v_intrans);
|
|
(void)printf("%9u total VM faults taken\n", sum.v_vm_faults);
|
|
(void)printf("%9u pages freed\n", sum.v_tfree);
|
|
(void)printf("%9u pages freed by daemon\n", sum.v_dfree);
|
|
(void)printf("%9u pages freed by exiting processes\n", sum.v_pfree);
|
|
(void)printf("%9u pages active\n", sum.v_active_count);
|
|
(void)printf("%9u pages inactive\n", sum.v_inactive_count);
|
|
(void)printf("%9u pages in VM cache\n", sum.v_cache_count);
|
|
(void)printf("%9u pages wired down\n", sum.v_wire_count);
|
|
(void)printf("%9u pages free\n", sum.v_free_count);
|
|
(void)printf("%9u bytes per page\n", sum.v_page_size);
|
|
kread(X_NCHSTATS, &nchstats, sizeof(nchstats));
|
|
nchtotal = nchstats.ncs_goodhits + nchstats.ncs_neghits +
|
|
nchstats.ncs_badhits + nchstats.ncs_falsehits +
|
|
nchstats.ncs_miss + nchstats.ncs_long;
|
|
(void)printf("%9ld total name lookups\n", nchtotal);
|
|
(void)printf(
|
|
"%9s cache hits (%ld%% pos + %ld%% neg) system %ld%% per-directory\n",
|
|
"", PCT(nchstats.ncs_goodhits, nchtotal),
|
|
PCT(nchstats.ncs_neghits, nchtotal),
|
|
PCT(nchstats.ncs_pass2, nchtotal));
|
|
(void)printf("%9s deletions %ld%%, falsehits %ld%%, toolong %ld%%\n", "",
|
|
PCT(nchstats.ncs_badhits, nchtotal),
|
|
PCT(nchstats.ncs_falsehits, nchtotal),
|
|
PCT(nchstats.ncs_long, nchtotal));
|
|
#if defined(tahoe)
|
|
kread(X_CKEYSTATS, &keystats, sizeof(keystats));
|
|
(void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n",
|
|
keystats.ks_allocs, "code cache keys allocated",
|
|
PCT(keystats.ks_allocfree, keystats.ks_allocs),
|
|
PCT(keystats.ks_norefs, keystats.ks_allocs),
|
|
PCT(keystats.ks_taken, keystats.ks_allocs),
|
|
PCT(keystats.ks_shared, keystats.ks_allocs));
|
|
kread(X_DKEYSTATS, &keystats, sizeof(keystats));
|
|
(void)printf("%9d %s (free %d%% norefs %d%% taken %d%% shared %d%%)\n",
|
|
keystats.ks_allocs, "data cache keys allocated",
|
|
PCT(keystats.ks_allocfree, keystats.ks_allocs),
|
|
PCT(keystats.ks_norefs, keystats.ks_allocs),
|
|
PCT(keystats.ks_taken, keystats.ks_allocs),
|
|
PCT(keystats.ks_shared, keystats.ks_allocs));
|
|
#endif
|
|
}
|
|
|
|
#ifdef notyet
|
|
void
|
|
doforkst()
|
|
{
|
|
struct forkstat fks;
|
|
|
|
kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
|
|
(void)printf("%d forks, %d pages, average %.2f\n",
|
|
fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
|
|
(void)printf("%d vforks, %d pages, average %.2f\n",
|
|
fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / fks.cntvfork);
|
|
}
|
|
#endif
|
|
|
|
static void
|
|
devstats()
|
|
{
|
|
register int dn, state;
|
|
long double transfers_per_second;
|
|
long double busy_seconds;
|
|
long tmp;
|
|
|
|
for (state = 0; state < CPUSTATES; ++state) {
|
|
tmp = cur.cp_time[state];
|
|
cur.cp_time[state] -= last.cp_time[state];
|
|
last.cp_time[state] = tmp;
|
|
}
|
|
|
|
busy_seconds = compute_etime(cur.busy_time, last.busy_time);
|
|
|
|
for (dn = 0; dn < num_devices; dn++) {
|
|
int di;
|
|
|
|
if ((dev_select[dn].selected == 0)
|
|
|| (dev_select[dn].selected > maxshowdevs))
|
|
continue;
|
|
|
|
di = dev_select[dn].position;
|
|
|
|
if (compute_stats(&cur.dinfo->devices[di],
|
|
&last.dinfo->devices[di], busy_seconds,
|
|
NULL, NULL, NULL,
|
|
NULL, &transfers_per_second, NULL,
|
|
NULL, NULL) != 0)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
printf("%3.0Lf ", transfers_per_second);
|
|
}
|
|
}
|
|
|
|
void
|
|
cpustats()
|
|
{
|
|
register int state;
|
|
double pct, total;
|
|
|
|
total = 0;
|
|
for (state = 0; state < CPUSTATES; ++state)
|
|
total += cur.cp_time[state];
|
|
if (total)
|
|
pct = 100 / total;
|
|
else
|
|
pct = 0;
|
|
(void)printf("%2.0f ", (cur.cp_time[CP_USER] +
|
|
cur.cp_time[CP_NICE]) * pct);
|
|
(void)printf("%2.0f ", (cur.cp_time[CP_SYS] +
|
|
cur.cp_time[CP_INTR]) * pct);
|
|
(void)printf("%2.0f", cur.cp_time[CP_IDLE] * pct);
|
|
}
|
|
|
|
void
|
|
dointr()
|
|
{
|
|
register long *intrcnt, inttotal, uptime;
|
|
register int nintr, inamlen;
|
|
register char *intrname;
|
|
|
|
uptime = getuptime();
|
|
nintr = namelist[X_EINTRCNT].n_value - namelist[X_INTRCNT].n_value;
|
|
inamlen =
|
|
namelist[X_EINTRNAMES].n_value - namelist[X_INTRNAMES].n_value;
|
|
intrcnt = malloc((size_t)nintr);
|
|
intrname = malloc((size_t)inamlen);
|
|
if (intrcnt == NULL || intrname == NULL)
|
|
errx(1, "malloc");
|
|
kread(X_INTRCNT, intrcnt, (size_t)nintr);
|
|
kread(X_INTRNAMES, intrname, (size_t)inamlen);
|
|
(void)printf("interrupt total rate\n");
|
|
inttotal = 0;
|
|
nintr /= sizeof(long);
|
|
while (--nintr >= 0) {
|
|
if (*intrcnt)
|
|
(void)printf("%-12s %8ld %8ld\n", intrname,
|
|
*intrcnt, *intrcnt / uptime);
|
|
intrname += strlen(intrname) + 1;
|
|
inttotal += *intrcnt++;
|
|
}
|
|
(void)printf("Total %8ld %8ld\n", inttotal, inttotal / uptime);
|
|
}
|
|
|
|
void
|
|
domem()
|
|
{
|
|
register struct kmembuckets *kp;
|
|
register struct malloc_type *ks;
|
|
register int i, j;
|
|
int len, size, first, nkms;
|
|
long totuse = 0, totfree = 0, totreq = 0;
|
|
const char *name;
|
|
struct malloc_type kmemstats[200], *kmsp;
|
|
char *kmemnames[200];
|
|
char buf[1024];
|
|
struct kmembuckets buckets[MINBUCKET + 16];
|
|
|
|
kread(X_KMEMBUCKETS, buckets, sizeof(buckets));
|
|
kread(X_KMEMSTATISTICS, &kmsp, sizeof(kmsp));
|
|
for (nkms = 0; nkms < 200 && kmsp != NULL; nkms++) {
|
|
if (sizeof(kmemstats[0]) != kvm_read(kd, (u_long)kmsp,
|
|
&kmemstats[nkms], sizeof(kmemstats[0])))
|
|
err(1, "kvm_read(%p)", (void *)kmsp);
|
|
if (sizeof(buf) != kvm_read(kd,
|
|
(u_long)kmemstats[nkms].ks_shortdesc, buf, sizeof(buf)))
|
|
err(1, "kvm_read(%p)",
|
|
(void *)kmemstats[nkms].ks_shortdesc);
|
|
kmemstats[nkms].ks_shortdesc = strdup(buf);
|
|
kmsp = kmemstats[nkms].ks_next;
|
|
}
|
|
(void)printf("Memory statistics by bucket size\n");
|
|
(void)printf(
|
|
"Size In Use Free Requests HighWater Couldfree\n");
|
|
for (i = MINBUCKET, kp = &buckets[i]; i < MINBUCKET + 16; i++, kp++) {
|
|
if (kp->kb_calls == 0)
|
|
continue;
|
|
size = 1 << i;
|
|
if(size < 1024)
|
|
(void)printf("%4d",size);
|
|
else
|
|
(void)printf("%3dK",size>>10);
|
|
(void)printf(" %8ld %6ld %10ld %7ld %10ld\n",
|
|
kp->kb_total - kp->kb_totalfree,
|
|
kp->kb_totalfree, kp->kb_calls,
|
|
kp->kb_highwat, kp->kb_couldfree);
|
|
totfree += size * kp->kb_totalfree;
|
|
}
|
|
|
|
(void)printf("\nMemory usage type by bucket size\n");
|
|
(void)printf("Size Type(s)\n");
|
|
kp = &buckets[MINBUCKET];
|
|
for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1, kp++) {
|
|
if (kp->kb_calls == 0)
|
|
continue;
|
|
first = 1;
|
|
len = 8;
|
|
for (i = 0, ks = &kmemstats[0]; i < nkms; i++, ks++) {
|
|
if (ks->ks_calls == 0)
|
|
continue;
|
|
if ((ks->ks_size & j) == 0)
|
|
continue;
|
|
name = ks->ks_shortdesc;
|
|
len += 2 + strlen(name);
|
|
if (first && j < 1024)
|
|
printf("%4d %s", j, name);
|
|
else if (first)
|
|
printf("%3dK %s", j>>10, name);
|
|
else
|
|
printf(",");
|
|
if (len >= 79) {
|
|
printf("\n\t ");
|
|
len = 10 + strlen(name);
|
|
}
|
|
if (!first)
|
|
printf(" %s", name);
|
|
first = 0;
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
(void)printf(
|
|
"\nMemory statistics by type Type Kern\n");
|
|
(void)printf(
|
|
" Type InUse MemUse HighUse Limit Requests Limit Limit Size(s)\n");
|
|
for (i = 0, ks = &kmemstats[0]; i < nkms; i++, ks++) {
|
|
if (ks->ks_calls == 0)
|
|
continue;
|
|
(void)printf("%13s%6ld%6ldK%7ldK%6ldK%9ld%5u%6u",
|
|
ks->ks_shortdesc,
|
|
ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
|
|
(ks->ks_maxused + 1023) / 1024,
|
|
(ks->ks_limit + 1023) / 1024, ks->ks_calls,
|
|
ks->ks_limblocks, ks->ks_mapblocks);
|
|
first = 1;
|
|
for (j = 1 << MINBUCKET; j < 1 << (MINBUCKET + 16); j <<= 1) {
|
|
if ((ks->ks_size & j) == 0)
|
|
continue;
|
|
if (first)
|
|
printf(" ");
|
|
else
|
|
printf(",");
|
|
if(j<1024)
|
|
printf("%d",j);
|
|
else
|
|
printf("%dK",j>>10);
|
|
first = 0;
|
|
}
|
|
printf("\n");
|
|
totuse += ks->ks_memuse;
|
|
totreq += ks->ks_calls;
|
|
}
|
|
(void)printf("\nMemory Totals: In Use Free Requests\n");
|
|
(void)printf(" %7ldK %6ldK %8ld\n",
|
|
(totuse + 1023) / 1024, (totfree + 1023) / 1024, totreq);
|
|
}
|
|
|
|
/*
|
|
* kread reads something from the kernel, given its nlist index.
|
|
*/
|
|
void
|
|
kread(nlx, addr, size)
|
|
int nlx;
|
|
void *addr;
|
|
size_t size;
|
|
{
|
|
char *sym;
|
|
|
|
if (namelist[nlx].n_value == 0) {
|
|
sym = namelist[nlx].n_name;
|
|
if (*sym == '_')
|
|
++sym;
|
|
errx(1, "symbol %s not defined", sym);
|
|
}
|
|
if (kvm_read(kd, namelist[nlx].n_value, addr, size) != size) {
|
|
sym = namelist[nlx].n_name;
|
|
if (*sym == '_')
|
|
++sym;
|
|
errx(1, "%s: %s", sym, kvm_geterr(kd));
|
|
}
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr,
|
|
"usage: vmstat [-ims] [-c count] [-M core] [-N system] [-w wait] [disks]\n");
|
|
exit(1);
|
|
}
|