875 lines
23 KiB
C
875 lines
23 KiB
C
/*
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* Copyright (c) 1980, 1986, 1991, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1986, 1991, 1993\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif
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#ifndef lint
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static const char sccsid[] = "@(#)vmstat.c 8.1 (Berkeley) 6/6/93";
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#endif
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#include <sys/param.h>
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#include <sys/time.h>
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#include <sys/proc.h>
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#include <sys/dkstat.h>
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#include <sys/uio.h>
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#include <sys/namei.h>
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#include <sys/malloc.h>
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#include <sys/signal.h>
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#include <sys/fcntl.h>
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#include <sys/ioctl.h>
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#include <sys/sysctl.h>
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#include <sys/vmmeter.h>
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#include <vm/vm_param.h>
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#include <ctype.h>
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#include <devstat.h>
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#include <err.h>
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#include <errno.h>
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#include <kvm.h>
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#include <limits.h>
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#include <nlist.h>
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#include <paths.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sysexits.h>
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#include <time.h>
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#include <unistd.h>
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static char da[] = "da";
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static struct nlist namelist[] = {
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#define X_CPTIME 0
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{ "_cp_time" },
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#define X_SUM 1
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{ "_cnt" },
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#define X_BOOTTIME 2
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{ "_boottime" },
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#define X_HZ 3
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{ "_hz" },
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#define X_STATHZ 4
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{ "_stathz" },
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#define X_NCHSTATS 5
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{ "_nchstats" },
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#define X_INTRNAMES 6
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{ "_intrnames" },
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#define X_EINTRNAMES 7
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{ "_eintrnames" },
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#define X_INTRCNT 8
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{ "_intrcnt" },
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#define X_EINTRCNT 9
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{ "_eintrcnt" },
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#define X_KMEMSTATISTICS 10
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{ "_kmemstatistics" },
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#ifdef notyet
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#define X_DEFICIT 12
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{ "_deficit" },
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#define X_FORKSTAT 13
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{ "_forkstat" },
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#define X_REC 14
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{ "_rectime" },
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#define X_PGIN 15
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{ "_pgintime" },
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#define X_XSTATS 16
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{ "_xstats" },
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#define X_END 17
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#else
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#define X_END 18
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#endif
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{ "" },
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};
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struct statinfo cur, last;
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int num_devices, maxshowdevs;
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long generation;
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struct device_selection *dev_select;
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int num_selected;
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struct devstat_match *matches;
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int num_matches = 0;
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int num_devices_specified, num_selections;
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long select_generation;
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char **specified_devices;
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devstat_select_mode select_mode;
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struct vmmeter sum, osum;
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int winlines = 20;
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int nflag = 0;
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kvm_t *kd;
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#define FORKSTAT 0x01
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#define INTRSTAT 0x02
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#define MEMSTAT 0x04
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#define SUMSTAT 0x08
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#define TIMESTAT 0x10
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#define VMSTAT 0x20
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#define ZMEMSTAT 0x40
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static void cpustats(void);
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static void devstats(void);
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static void domem(void);
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static void dointr(void);
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static void dosum(void);
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static void dovmstat(u_int, int);
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static void dozmem(void);
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static void kread(int, void *, size_t);
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static void needhdr(int);
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static void printhdr(void);
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static void usage(void);
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static long pct(long, long);
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static long getuptime(void);
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char **getdrivedata(char **);
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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int c, todo;
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u_int interval;
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int reps;
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char *memf, *nlistf;
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char errbuf[_POSIX2_LINE_MAX];
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memf = nlistf = NULL;
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interval = reps = todo = 0;
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maxshowdevs = 2;
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while ((c = getopt(argc, argv, "c:fiM:mN:n:p:stw:z")) != -1) {
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switch (c) {
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case 'c':
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reps = atoi(optarg);
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break;
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case 'f':
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errx(EX_USAGE, "sorry, -f is not (re)implemented yet");
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break;
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case 'i':
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todo |= INTRSTAT;
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break;
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case 'M':
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memf = optarg;
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break;
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case 'm':
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todo |= MEMSTAT;
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break;
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case 'N':
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nlistf = optarg;
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break;
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case 'n':
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nflag = 1;
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maxshowdevs = atoi(optarg);
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if (maxshowdevs < 0)
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errx(1, "number of devices %d is < 0",
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maxshowdevs);
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break;
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case 'p':
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if (buildmatch(optarg, &matches, &num_matches) != 0)
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errx(1, "%s", devstat_errbuf);
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break;
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case 's':
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todo |= SUMSTAT;
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break;
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case 't':
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#ifdef notyet
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todo |= TIMESTAT;
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#else
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errx(EX_USAGE, "sorry, -t is not (re)implemented yet");
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#endif
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break;
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case 'w':
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interval = atoi(optarg);
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break;
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case 'z':
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todo |= ZMEMSTAT;
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break;
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case '?':
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default:
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usage();
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}
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}
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argc -= optind;
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argv += optind;
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if (todo == 0)
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todo = VMSTAT;
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/*
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* Discard setgid privileges if not the running kernel so that bad
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* guys can't print interesting stuff from kernel memory.
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*/
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if (nlistf != NULL || memf != NULL)
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setgid(getgid());
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kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, errbuf);
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if (kd == 0)
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errx(1, "kvm_openfiles: %s", errbuf);
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setgid(getgid());
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if ((c = kvm_nlist(kd, namelist)) != 0) {
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if (c > 0) {
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warnx("undefined symbols:");
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for (c = 0;
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c < (int)(sizeof(namelist)/sizeof(namelist[0]));
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c++)
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if (namelist[c].n_type == 0)
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(void)fprintf(stderr, " %s",
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namelist[c].n_name);
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(void)fputc('\n', stderr);
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} else
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warnx("kvm_nlist: %s", kvm_geterr(kd));
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exit(1);
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}
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if (todo & VMSTAT) {
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struct winsize winsize;
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/*
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* Make sure that the userland devstat version matches the
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* kernel devstat version. If not, exit and print a
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* message informing the user of his mistake.
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*/
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if (checkversion() < 0)
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errx(1, "%s", devstat_errbuf);
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argv = getdrivedata(argv);
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winsize.ws_row = 0;
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(void) ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&winsize);
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if (winsize.ws_row > 0)
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winlines = winsize.ws_row;
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}
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#define BACKWARD_COMPATIBILITY
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#ifdef BACKWARD_COMPATIBILITY
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if (*argv) {
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interval = atoi(*argv);
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if (*++argv)
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reps = atoi(*argv);
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}
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#endif
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if (interval) {
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if (!reps)
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reps = -1;
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} else if (reps)
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interval = 1;
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#ifdef notyet
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if (todo & FORKSTAT)
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doforkst();
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#endif
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if (todo & MEMSTAT)
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domem();
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if (todo & ZMEMSTAT)
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dozmem();
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if (todo & SUMSTAT)
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dosum();
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#ifdef notyet
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if (todo & TIMESTAT)
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dotimes();
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#endif
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if (todo & INTRSTAT)
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dointr();
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if (todo & VMSTAT)
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dovmstat(interval, reps);
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exit(0);
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}
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char **
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getdrivedata(argv)
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char **argv;
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{
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if ((num_devices = getnumdevs()) < 0)
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errx(1, "%s", devstat_errbuf);
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cur.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
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last.dinfo = (struct devinfo *)malloc(sizeof(struct devinfo));
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bzero(cur.dinfo, sizeof(struct devinfo));
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bzero(last.dinfo, sizeof(struct devinfo));
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if (getdevs(&cur) == -1)
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errx(1, "%s", devstat_errbuf);
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num_devices = cur.dinfo->numdevs;
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generation = cur.dinfo->generation;
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specified_devices = (char **)malloc(sizeof(char *));
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for (num_devices_specified = 0; *argv; ++argv) {
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if (isdigit(**argv))
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break;
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num_devices_specified++;
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specified_devices = (char **)realloc(specified_devices,
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sizeof(char *) *
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num_devices_specified);
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specified_devices[num_devices_specified - 1] = *argv;
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}
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dev_select = NULL;
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if (nflag == 0 && maxshowdevs < num_devices_specified)
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maxshowdevs = num_devices_specified;
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/*
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* People are generally only interested in disk statistics when
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* they're running vmstat. So, that's what we're going to give
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* them if they don't specify anything by default. We'll also give
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* them any other random devices in the system so that we get to
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* maxshowdevs devices, if that many devices exist. If the user
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* specifies devices on the command line, either through a pattern
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* match or by naming them explicitly, we will give the user only
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* those devices.
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*/
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if ((num_devices_specified == 0) && (num_matches == 0)) {
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if (buildmatch(da, &matches, &num_matches) != 0)
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errx(1, "%s", devstat_errbuf);
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select_mode = DS_SELECT_ADD;
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} else
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select_mode = DS_SELECT_ONLY;
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/*
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* At this point, selectdevs will almost surely indicate that the
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* device list has changed, so we don't look for return values of 0
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* or 1. If we get back -1, though, there is an error.
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*/
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if (selectdevs(&dev_select, &num_selected, &num_selections,
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&select_generation, generation, cur.dinfo->devices,
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num_devices, matches, num_matches, specified_devices,
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num_devices_specified, select_mode,
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maxshowdevs, 0) == -1)
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errx(1, "%s", devstat_errbuf);
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return(argv);
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}
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long
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getuptime()
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{
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static time_t now, boottime;
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time_t uptime;
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if (boottime == 0)
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kread(X_BOOTTIME, &boottime, sizeof(boottime));
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(void)time(&now);
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uptime = now - boottime;
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if (uptime <= 0 || uptime > 60*60*24*365*10)
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errx(1, "time makes no sense; namelist must be wrong");
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return(uptime);
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}
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int hz, hdrcnt;
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void
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dovmstat(interval, reps)
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u_int interval;
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int reps;
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{
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struct vmtotal total;
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time_t uptime, halfuptime;
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struct devinfo *tmp_dinfo;
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int mib[2];
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size_t size;
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uptime = getuptime();
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halfuptime = uptime / 2;
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(void)signal(SIGCONT, needhdr);
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if (namelist[X_STATHZ].n_type != 0 && namelist[X_STATHZ].n_value != 0)
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kread(X_STATHZ, &hz, sizeof(hz));
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if (!hz)
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kread(X_HZ, &hz, sizeof(hz));
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for (hdrcnt = 1;;) {
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if (!--hdrcnt)
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printhdr();
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kread(X_CPTIME, cur.cp_time, sizeof(cur.cp_time));
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tmp_dinfo = last.dinfo;
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last.dinfo = cur.dinfo;
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cur.dinfo = tmp_dinfo;
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last.busy_time = cur.busy_time;
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/*
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* Here what we want to do is refresh our device stats.
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* getdevs() returns 1 when the device list has changed.
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* If the device list has changed, we want to go through
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* the selection process again, in case a device that we
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* were previously displaying has gone away.
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*/
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switch (getdevs(&cur)) {
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case -1:
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errx(1, "%s", devstat_errbuf);
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break;
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case 1: {
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int retval;
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num_devices = cur.dinfo->numdevs;
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generation = cur.dinfo->generation;
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retval = selectdevs(&dev_select, &num_selected,
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&num_selections, &select_generation,
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generation, cur.dinfo->devices,
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num_devices, matches, num_matches,
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specified_devices,
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num_devices_specified, select_mode,
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maxshowdevs, 0);
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switch (retval) {
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case -1:
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errx(1, "%s", devstat_errbuf);
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break;
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case 1:
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printhdr();
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break;
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default:
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break;
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}
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}
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default:
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break;
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}
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kread(X_SUM, &sum, sizeof(sum));
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size = sizeof(total);
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mib[0] = CTL_VM;
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mib[1] = VM_METER;
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if (sysctl(mib, 2, &total, &size, NULL, 0) < 0) {
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(void)printf("Can't get kerninfo: %s\n",
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strerror(errno));
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bzero(&total, sizeof(total));
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}
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(void)printf("%2d %1d %1d",
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total.t_rq - 1, total.t_dw + total.t_pw, total.t_sw);
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#define vmstat_pgtok(a) ((a) * sum.v_page_size >> 10)
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#define rate(x) (((x) + halfuptime) / uptime) /* round */
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(void)printf(" %7ld %6ld ", (long)vmstat_pgtok(total.t_avm),
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(long)vmstat_pgtok(total.t_free));
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(void)printf("%4lu ",
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(u_long)rate(sum.v_vm_faults - osum.v_vm_faults));
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(void)printf("%3lu ",
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(u_long)rate(sum.v_reactivated - osum.v_reactivated));
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(void)printf("%3lu ",
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(u_long)rate(sum.v_swapin + sum.v_vnodein -
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(osum.v_swapin + osum.v_vnodein)));
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(void)printf("%3lu ",
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(u_long)rate(sum.v_swapout + sum.v_vnodeout -
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(osum.v_swapout + osum.v_vnodeout)));
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(void)printf("%3lu ",
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(u_long)rate(sum.v_tfree - osum.v_tfree));
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(void)printf("%3lu ",
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(u_long)rate(sum.v_pdpages - osum.v_pdpages));
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devstats();
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(void)printf("%4lu %4lu %3lu ",
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(u_long)rate(sum.v_intr - osum.v_intr),
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(u_long)rate(sum.v_syscall - osum.v_syscall),
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(u_long)rate(sum.v_swtch - osum.v_swtch));
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cpustats();
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(void)printf("\n");
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(void)fflush(stdout);
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if (reps >= 0 && --reps <= 0)
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break;
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osum = sum;
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uptime = interval;
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/*
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* We round upward to avoid losing low-frequency events
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* (i.e., >= 1 per interval but < 1 per second).
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*/
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if (interval != 1)
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halfuptime = (uptime + 1) / 2;
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else
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halfuptime = 0;
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(void)sleep(interval);
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}
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}
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void
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printhdr()
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{
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int i, num_shown;
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|
|
|
num_shown = (num_selected < maxshowdevs) ? num_selected : maxshowdevs;
|
|
(void)printf(" procs memory page%*s", 19, "");
|
|
if (num_shown > 1)
|
|
(void)printf(" disks %*s", num_shown * 4 - 7, "");
|
|
else if (num_shown == 1)
|
|
(void)printf("disk");
|
|
(void)printf(" faults cpu\n");
|
|
(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(dummy)
|
|
int dummy __unused;
|
|
{
|
|
|
|
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))
|
|
|
|
void
|
|
dosum()
|
|
{
|
|
struct nchstats lnchstats;
|
|
long nchtotal;
|
|
|
|
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);
|
|
(void)printf("%9u traps\n", sum.v_trap);
|
|
(void)printf("%9u system calls\n", sum.v_syscall);
|
|
(void)printf("%9u kernel threads created\n", sum.v_kthreads);
|
|
(void)printf("%9u fork() calls\n", sum.v_forks);
|
|
(void)printf("%9u vfork() calls\n", sum.v_vforks);
|
|
(void)printf("%9u rfork() calls\n", sum.v_rforks);
|
|
(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 affected by kernel thread creation\n", sum.v_kthreadpages);
|
|
(void)printf("%9u pages affected by fork()\n", sum.v_forkpages);
|
|
(void)printf("%9u pages affected by vfork()\n", sum.v_vforkpages);
|
|
(void)printf("%9u pages affected by rfork()\n", sum.v_rforkpages);
|
|
(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, &lnchstats, sizeof(lnchstats));
|
|
nchtotal = lnchstats.ncs_goodhits + lnchstats.ncs_neghits +
|
|
lnchstats.ncs_badhits + lnchstats.ncs_falsehits +
|
|
lnchstats.ncs_miss + lnchstats.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(lnchstats.ncs_goodhits, nchtotal),
|
|
PCT(lnchstats.ncs_neghits, nchtotal),
|
|
PCT(lnchstats.ncs_pass2, nchtotal));
|
|
(void)printf("%9s deletions %ld%%, falsehits %ld%%, toolong %ld%%\n", "",
|
|
PCT(lnchstats.ncs_badhits, nchtotal),
|
|
PCT(lnchstats.ncs_falsehits, nchtotal),
|
|
PCT(lnchstats.ncs_long, nchtotal));
|
|
}
|
|
|
|
#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()
|
|
{
|
|
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 (devstat_compute_statistics(&cur.dinfo->devices[di],
|
|
&last.dinfo->devices[di], busy_seconds,
|
|
DSM_TRANSFERS_PER_SECOND, &transfers_per_second,
|
|
DSM_NONE) != 0)
|
|
errx(1, "%s", devstat_errbuf);
|
|
|
|
(void)printf("%3.0Lf ", transfers_per_second);
|
|
}
|
|
}
|
|
|
|
void
|
|
cpustats()
|
|
{
|
|
int state;
|
|
double lpct, total;
|
|
|
|
total = 0;
|
|
for (state = 0; state < CPUSTATES; ++state)
|
|
total += cur.cp_time[state];
|
|
if (total)
|
|
lpct = 100.0 / total;
|
|
else
|
|
lpct = 0.0;
|
|
(void)printf("%2.0f ", (cur.cp_time[CP_USER] +
|
|
cur.cp_time[CP_NICE]) * lpct);
|
|
(void)printf("%2.0f ", (cur.cp_time[CP_SYS] +
|
|
cur.cp_time[CP_INTR]) * lpct);
|
|
(void)printf("%2.0f", cur.cp_time[CP_IDLE] * lpct);
|
|
}
|
|
|
|
void
|
|
dointr()
|
|
{
|
|
u_long *intrcnt, uptime;
|
|
u_int64_t inttotal;
|
|
int nintr, inamlen;
|
|
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 %20lu %10lu\n", intrname,
|
|
*intrcnt, *intrcnt / uptime);
|
|
intrname += strlen(intrname) + 1;
|
|
inttotal += *intrcnt++;
|
|
}
|
|
(void)printf("Total %20llu %10llu\n", inttotal,
|
|
inttotal / (u_int64_t) uptime);
|
|
}
|
|
|
|
#define MAX_KMSTATS 200
|
|
|
|
void
|
|
domem()
|
|
{
|
|
struct malloc_type *ks;
|
|
int i, j;
|
|
int first, nkms;
|
|
long totuse = 0, totfree = 0;
|
|
uint64_t totreq = 0;
|
|
struct malloc_type kmemstats[MAX_KMSTATS], *kmsp;
|
|
char buf[1024];
|
|
|
|
kread(X_KMEMSTATISTICS, &kmsp, sizeof(kmsp));
|
|
for (nkms = 0; nkms < MAX_KMSTATS && 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)",
|
|
(const void *)kmemstats[nkms].ks_shortdesc);
|
|
buf[sizeof(buf) - 1] = '\0';
|
|
kmemstats[nkms].ks_shortdesc = strdup(buf);
|
|
kmsp = kmemstats[nkms].ks_next;
|
|
}
|
|
|
|
(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%9lld%5u%6u",
|
|
ks->ks_shortdesc,
|
|
ks->ks_inuse, (ks->ks_memuse + 1023) / 1024,
|
|
(ks->ks_maxused + 1023) / 1024,
|
|
(ks->ks_limit + 1023) / 1024, (long long)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)
|
|
(void)printf(" ");
|
|
else
|
|
(void)printf(",");
|
|
if(j<1024)
|
|
(void)printf("%d",j);
|
|
else
|
|
(void)printf("%dK",j>>10);
|
|
first = 0;
|
|
}
|
|
(void)printf("\n");
|
|
totuse += ks->ks_memuse;
|
|
totreq += ks->ks_calls;
|
|
}
|
|
(void)printf("\nMemory Totals: In Use Free Requests\n");
|
|
(void)printf(" %7ldK %6ldK %20llu\n",
|
|
(totuse + 1023) / 1024,
|
|
(totfree + 1023) / 1024, (unsigned long long)totreq);
|
|
}
|
|
|
|
void
|
|
dozmem()
|
|
{
|
|
char *buf;
|
|
size_t bufsize;
|
|
|
|
buf = NULL;
|
|
bufsize = 1024;
|
|
for (;;) {
|
|
if ((buf = realloc(buf, bufsize)) == NULL)
|
|
err(1, "realloc()");
|
|
if (sysctlbyname("vm.zone", buf, &bufsize, 0, NULL) == 0)
|
|
break;
|
|
if (errno != ENOMEM)
|
|
err(1, "sysctl()");
|
|
bufsize *= 2;
|
|
}
|
|
buf[bufsize] = '\0'; /* play it safe */
|
|
(void)printf("%s\n\n", buf);
|
|
free(buf);
|
|
}
|
|
|
|
/*
|
|
* 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_type == 0 || 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) != (int)size) {
|
|
sym = namelist[nlx].n_name;
|
|
if (*sym == '_')
|
|
++sym;
|
|
errx(1, "%s: %s", sym, kvm_geterr(kd));
|
|
}
|
|
}
|
|
|
|
void
|
|
usage()
|
|
{
|
|
(void)fprintf(stderr, "%s%s",
|
|
"usage: vmstat [-imsz] [-c count] [-M core] [-N system] [-w wait]\n",
|
|
" [-n devs] [disks]\n");
|
|
exit(1);
|
|
}
|