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