577 lines
14 KiB
C
577 lines
14 KiB
C
/*-
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* Copyright (c) 1980, 1991, 1993, 1994
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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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#ifndef lint
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static const char copyright[] =
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"@(#) Copyright (c) 1980, 1991, 1993, 1994\n\
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The Regents of the University of California. All rights reserved.\n";
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)pstat.c 8.16 (Berkeley) 5/9/95";
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#endif
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static const char rcsid[] =
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"$FreeBSD$";
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#endif /* not lint */
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#include <sys/param.h>
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#include <sys/time.h>
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#define _KERNEL
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#include <sys/file.h>
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#include <sys/uio.h>
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#undef _KERNEL
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/ioctl_compat.h> /* XXX NTTYDISC is too well hidden */
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#include <sys/tty.h>
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#include <sys/conf.h>
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#include <sys/blist.h>
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#include <sys/user.h>
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#include <sys/sysctl.h>
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#include <err.h>
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#include <fcntl.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 <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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static struct nlist nl[] = {
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#define NLMANDATORYBEG 0
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#define V_MOUNTLIST 0
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{ "_mountlist" }, /* address of head of mount list. */
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#define V_NUMV 1
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{ "_numvnodes" },
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#define FNL_NFILE 2
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{"_nfiles"},
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#define FNL_MAXFILE 3
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{"_maxfiles"},
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#define NLMANDATORYEND FNL_MAXFILE /* names up to here are mandatory */
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#define SCONS NLMANDATORYEND + 1
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{ "_constty" },
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#define SPTY NLMANDATORYEND + 2
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{ "_pt_tty" },
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#define SNPTY NLMANDATORYEND + 3
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{ "_npty" },
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#ifdef __FreeBSD__
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#define SCCONS (SNPTY+1)
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{ "_sccons" },
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#define NSCCONS (SNPTY+2)
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{ "_nsccons" },
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#define SIO (SNPTY+3)
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{ "_sio_tty" },
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#define NSIO (SNPTY+4)
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{ "_nsio_tty" },
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#define RC (SNPTY+5)
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{ "_rc_tty" },
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#define NRC (SNPTY+6)
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{ "_nrc_tty" },
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#define CY (SNPTY+7)
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{ "_cy_tty" },
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#define NCY (SNPTY+8)
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{ "_ncy_tty" },
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#define SI (SNPTY+9)
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{ "_si_tty" },
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#define NSI (SNPTY+10)
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{ "_si_Nports" },
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#endif
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{ "" }
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};
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static int usenumflag;
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static int totalflag;
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static int swapflag;
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static char *nlistf = NULL;
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static char *memf = NULL;
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static kvm_t *kd;
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static char *usagestr;
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#define SVAR(var) __STRING(var) /* to force expansion */
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#define KGET(idx, var) \
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KGET1(idx, &var, sizeof(var), SVAR(var))
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#define KGET1(idx, p, s, msg) \
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KGET2(nl[idx].n_value, p, s, msg)
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#define KGET2(addr, p, s, msg) \
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if (kvm_read(kd, (u_long)(addr), p, s) != s) \
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warnx("cannot read %s: %s", msg, kvm_geterr(kd))
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#define KGETN(idx, var) \
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KGET1N(idx, &var, sizeof(var), SVAR(var))
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#define KGET1N(idx, p, s, msg) \
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KGET2N(nl[idx].n_value, p, s, msg)
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#define KGET2N(addr, p, s, msg) \
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((kvm_read(kd, (u_long)(addr), p, s) == s) ? 1 : 0)
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#define KGETRET(addr, p, s, msg) \
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if (kvm_read(kd, (u_long)(addr), p, s) != s) { \
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warnx("cannot read %s: %s", msg, kvm_geterr(kd)); \
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return (0); \
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}
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static void filemode(void);
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static int getfiles(char **, int *);
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static void swapmode(void);
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static void ttymode(void);
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static void ttyprt(struct tty *, int);
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static void ttytype(struct tty *, char *, int, int, int);
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static void usage(void);
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int
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main(int argc, char *argv[])
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{
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int ch, i, quit, ret;
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int fileflag, ttyflag;
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char buf[_POSIX2_LINE_MAX],*opts;
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fileflag = swapflag = ttyflag = 0;
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/* We will behave like good old swapinfo if thus invoked */
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opts = strrchr(argv[0],'/');
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if (opts)
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opts++;
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else
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opts = argv[0];
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if (!strcmp(opts,"swapinfo")) {
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swapflag = 1;
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opts = "kM:N:";
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usagestr = "swapinfo [-k] [-M core] [-N system]";
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} else {
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opts = "TM:N:fknst";
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usagestr = "pstat [-Tfknstv] [-M core] [-N system]";
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}
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while ((ch = getopt(argc, argv, opts)) != -1)
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switch (ch) {
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case 'f':
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fileflag = 1;
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break;
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case 'k':
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putenv("BLOCKSIZE=1K");
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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 'N':
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nlistf = optarg;
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break;
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case 'n':
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usenumflag = 1;
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break;
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case 's':
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++swapflag;
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break;
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case 'T':
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totalflag = 1;
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break;
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case 't':
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ttyflag = 1;
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break;
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default:
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usage();
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}
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argc -= optind;
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argv += optind;
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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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(void)setgid(getgid());
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if ((kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf)) == 0)
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errx(1, "kvm_openfiles: %s", buf);
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(void)setgid(getgid());
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if ((ret = kvm_nlist(kd, nl)) != 0) {
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if (ret == -1)
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errx(1, "kvm_nlist: %s", kvm_geterr(kd));
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for (i = NLMANDATORYBEG, quit = 0; i <= NLMANDATORYEND; i++)
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if (!nl[i].n_value) {
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quit = 1;
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warnx("undefined symbol: %s", nl[i].n_name);
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}
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if (quit)
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exit(1);
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}
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if (!(fileflag | ttyflag | swapflag | totalflag))
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usage();
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if (fileflag || totalflag)
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filemode();
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if (ttyflag)
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ttymode();
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if (swapflag || totalflag)
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swapmode();
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exit (0);
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}
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static void
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usage(void)
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{
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fprintf(stderr, "usage: %s\n", usagestr);
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exit (1);
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}
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static const char hdr[] =
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" LINE RAW CAN OUT IHIWT ILOWT OHWT LWT COL STATE SESS PGID DISC\n";
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int ttyspace = 128;
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static void
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ttymode(void)
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{
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struct tty *tty;
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struct tty ttyb[1000];
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int error;
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size_t len, i;
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(void)printf("%s", hdr);
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len = sizeof(ttyb);
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error = sysctlbyname("kern.ttys", &ttyb, &len, 0, 0);
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if (!error) {
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len /= sizeof(ttyb[0]);
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for (i = 0; i < len; i++) {
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ttyprt(&ttyb[i], 0);
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}
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}
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if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL)
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errx(1, "malloc");
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if (nl[SCONS].n_type != 0) {
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(void)printf("1 console\n");
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KGET(SCONS, *tty);
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ttyprt(&tty[0], 0);
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}
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#ifdef __FreeBSD__
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if (nl[NSCCONS].n_type != 0)
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ttytype(tty, "vty", SCCONS, NSCCONS, 0);
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if (nl[NSIO].n_type != 0)
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ttytype(tty, "sio", SIO, NSIO, 0);
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if (nl[NRC].n_type != 0)
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ttytype(tty, "rc", RC, NRC, 0);
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if (nl[NCY].n_type != 0)
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ttytype(tty, "cy", CY, NCY, 0);
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if (nl[NSI].n_type != 0)
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ttytype(tty, "si", SI, NSI, 1);
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#endif
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if (nl[SNPTY].n_type != 0)
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ttytype(tty, "pty", SPTY, SNPTY, 0);
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}
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static void
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ttytype(struct tty *tty, char *name, int type, int number, int indir)
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{
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struct tty *tp;
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int ntty;
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struct tty **ttyaddr;
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if (tty == NULL)
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return;
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KGET(number, ntty);
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(void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines");
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if (ntty > ttyspace) {
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ttyspace = ntty;
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if ((tty = realloc(tty, ttyspace * sizeof(*tty))) == 0)
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errx(1, "realloc");
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}
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if (indir) {
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KGET(type, ttyaddr);
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KGET2(ttyaddr, tty, ntty * sizeof(struct tty), "tty structs");
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} else {
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KGET1(type, tty, ntty * sizeof(struct tty), "tty structs");
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}
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(void)printf("%s", hdr);
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for (tp = tty; tp < &tty[ntty]; tp++)
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ttyprt(tp, tp - tty);
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}
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static struct {
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int flag;
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char val;
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} ttystates[] = {
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#ifdef TS_WOPEN
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{ TS_WOPEN, 'W'},
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#endif
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{ TS_ISOPEN, 'O'},
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{ TS_CARR_ON, 'C'},
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#ifdef TS_CONNECTED
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{ TS_CONNECTED, 'c'},
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#endif
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{ TS_TIMEOUT, 'T'},
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{ TS_FLUSH, 'F'},
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{ TS_BUSY, 'B'},
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#ifdef TS_ASLEEP
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{ TS_ASLEEP, 'A'},
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#endif
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#ifdef TS_SO_OLOWAT
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{ TS_SO_OLOWAT, 'A'},
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#endif
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#ifdef TS_SO_OCOMPLETE
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{ TS_SO_OCOMPLETE, 'a'},
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#endif
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{ TS_XCLUDE, 'X'},
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{ TS_TTSTOP, 'S'},
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#ifdef TS_CAR_OFLOW
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{ TS_CAR_OFLOW, 'm'},
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#endif
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#ifdef TS_CTS_OFLOW
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{ TS_CTS_OFLOW, 'o'},
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#endif
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#ifdef TS_DSR_OFLOW
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{ TS_DSR_OFLOW, 'd'},
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#endif
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{ TS_TBLOCK, 'K'},
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{ TS_ASYNC, 'Y'},
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{ TS_BKSL, 'D'},
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{ TS_ERASE, 'E'},
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{ TS_LNCH, 'L'},
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{ TS_TYPEN, 'P'},
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{ TS_CNTTB, 'N'},
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#ifdef TS_CAN_BYPASS_L_RINT
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{ TS_CAN_BYPASS_L_RINT, 'l'},
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#endif
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#ifdef TS_SNOOP
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{ TS_SNOOP, 's'},
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#endif
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#ifdef TS_ZOMBIE
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{ TS_ZOMBIE, 'Z'},
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#endif
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{ 0, '\0'},
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};
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static void
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ttyprt(struct tty *tp, int line)
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{
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int i, j;
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pid_t pgid;
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char *name, state[20];
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if (usenumflag || tp->t_dev == 0 ||
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(name = devname(tp->t_dev, S_IFCHR)) == NULL)
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(void)printf(" %2d,%-2d", major(tp->t_dev), minor(tp->t_dev));
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else
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(void)printf("%7s ", name);
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(void)printf("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc);
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(void)printf("%3d %5d %5d %4d %3d %7d ", tp->t_outq.c_cc,
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tp->t_ihiwat, tp->t_ilowat, tp->t_ohiwat, tp->t_olowat,
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tp->t_column);
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for (i = j = 0; ttystates[i].flag; i++)
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if (tp->t_state&ttystates[i].flag)
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state[j++] = ttystates[i].val;
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if (j == 0)
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state[j++] = '-';
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state[j] = '\0';
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(void)printf("%-6s %8lx", state, (u_long)(void *)tp->t_session);
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pgid = 0;
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if (tp->t_pgrp != NULL)
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KGET2(&tp->t_pgrp->pg_id, &pgid, sizeof(pid_t), "pgid");
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(void)printf("%6d ", pgid);
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switch (tp->t_line) {
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case TTYDISC:
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(void)printf("term\n");
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break;
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case NTTYDISC:
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(void)printf("ntty\n");
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break;
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case SLIPDISC:
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(void)printf("slip\n");
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break;
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case PPPDISC:
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(void)printf("ppp\n");
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break;
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default:
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(void)printf("%d\n", tp->t_line);
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break;
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}
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}
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static void
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filemode(void)
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{
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struct file *fp;
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struct file *addr;
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char *buf, flagbuf[16], *fbp;
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int len, maxfile, nfile;
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static char *dtypes[] = { "???", "inode", "socket" };
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KGET(FNL_MAXFILE, maxfile);
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if (totalflag) {
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KGET(FNL_NFILE, nfile);
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(void)printf("%3d/%3d files\n", nfile, maxfile);
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return;
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}
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if (getfiles(&buf, &len) == -1)
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return;
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/*
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* Getfiles returns in malloc'd memory a pointer to the first file
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* structure, and then an array of file structs (whose addresses are
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* derivable from the previous entry).
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*/
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addr = LIST_FIRST((struct filelist *)buf);
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fp = (struct file *)(buf + sizeof(struct filelist));
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nfile = (len - sizeof(struct filelist)) / sizeof(struct file);
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(void)printf("%d/%d open files\n", nfile, maxfile);
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(void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n");
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for (; (char *)fp < buf + len; addr = LIST_NEXT(fp, f_list), fp++) {
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if ((unsigned)fp->f_type > DTYPE_SOCKET)
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continue;
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(void)printf("%8lx ", (u_long)(void *)addr);
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(void)printf("%-8.8s", dtypes[fp->f_type]);
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fbp = flagbuf;
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if (fp->f_flag & FREAD)
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*fbp++ = 'R';
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if (fp->f_flag & FWRITE)
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*fbp++ = 'W';
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if (fp->f_flag & FAPPEND)
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*fbp++ = 'A';
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if (fp->f_flag & FASYNC)
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*fbp++ = 'I';
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*fbp = '\0';
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(void)printf("%6s %3d", flagbuf, fp->f_count);
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(void)printf(" %3d", fp->f_msgcount);
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(void)printf(" %8lx", (u_long)(void *)fp->f_data);
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if (fp->f_offset < 0)
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(void)printf(" %qx\n", fp->f_offset);
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else
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(void)printf(" %qd\n", fp->f_offset);
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}
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free(buf);
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}
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static int
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getfiles(char **abuf, int *alen)
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{
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size_t len;
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int mib[2];
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char *buf;
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/*
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* XXX
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* Add emulation of KINFO_FILE here.
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*/
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if (memf != NULL)
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errx(1, "files on dead kernel, not implemented");
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mib[0] = CTL_KERN;
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mib[1] = KERN_FILE;
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if (sysctl(mib, 2, NULL, &len, NULL, 0) == -1) {
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warn("sysctl: KERN_FILE");
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return (-1);
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}
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|
if ((buf = malloc(len)) == NULL)
|
|
errx(1, "malloc");
|
|
if (sysctl(mib, 2, buf, &len, NULL, 0) == -1) {
|
|
warn("sysctl: KERN_FILE");
|
|
return (-1);
|
|
}
|
|
*abuf = buf;
|
|
*alen = len;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* swapmode is based on a program called swapinfo written
|
|
* by Kevin Lahey <kml@rokkaku.atl.ga.us>.
|
|
*/
|
|
static void
|
|
swapmode(void)
|
|
{
|
|
struct kvm_swap kswap[16];
|
|
int i;
|
|
int n;
|
|
int pagesize = getpagesize();
|
|
const char *header;
|
|
int hlen;
|
|
long blocksize;
|
|
|
|
n = kvm_getswapinfo(
|
|
kd,
|
|
kswap,
|
|
sizeof(kswap)/sizeof(kswap[0]),
|
|
((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX
|
|
);
|
|
|
|
#define CONVERT(v) ((int)((quad_t)(v) * pagesize / blocksize))
|
|
|
|
header = getbsize(&hlen, &blocksize);
|
|
if (totalflag == 0) {
|
|
(void)printf("%-15s %*s %8s %8s %8s %s\n",
|
|
"Device", hlen, header,
|
|
"Used", "Avail", "Capacity", "Type");
|
|
|
|
for (i = 0; i < n; ++i) {
|
|
(void)printf(
|
|
"%-15s %*d ",
|
|
kswap[i].ksw_devname,
|
|
hlen,
|
|
CONVERT(kswap[i].ksw_total)
|
|
);
|
|
(void)printf(
|
|
"%8d %8d %5.0f%% %s\n",
|
|
CONVERT(kswap[i].ksw_used),
|
|
CONVERT(kswap[i].ksw_total - kswap[i].ksw_used),
|
|
(double)kswap[i].ksw_used * 100.0 /
|
|
(double)kswap[i].ksw_total,
|
|
(kswap[i].ksw_flags & SW_SEQUENTIAL) ?
|
|
"Sequential" : "Interleaved"
|
|
);
|
|
}
|
|
}
|
|
|
|
if (totalflag) {
|
|
blocksize = 1024 * 1024;
|
|
|
|
(void)printf(
|
|
"%dM/%dM swap space\n",
|
|
CONVERT(kswap[n].ksw_used),
|
|
CONVERT(kswap[n].ksw_total)
|
|
);
|
|
} else if (n > 1) {
|
|
(void)printf(
|
|
"%-15s %*d %8d %8d %5.0f%%\n",
|
|
"Total",
|
|
hlen,
|
|
CONVERT(kswap[n].ksw_total),
|
|
CONVERT(kswap[n].ksw_used),
|
|
CONVERT(kswap[n].ksw_total - kswap[n].ksw_used),
|
|
(double)kswap[n].ksw_used * 100.0 /
|
|
(double)kswap[n].ksw_total
|
|
);
|
|
}
|
|
}
|