/*- * Copyright (c) 1980, 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * Copyright (c) 2002 Networks Associates Technologies, Inc. * All rights reserved. * * Portions of this software were developed for the FreeBSD Project by * ThinkSec AS and NAI Labs, the Security Research Division of Network * Associates, Inc. under DARPA/SPAWAR contract N66001-01-C-8035 * ("CBOSS"), as part of the DARPA CHATS research program. * * 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 #include #include #include #include #include /* XXX NTTYDISC is too well hidden */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include enum { NL_CONSTTY, NL_MAXFILES, NL_NFILES, NL_TTY_LIST }; static struct nlist nl[] = { { "_constty", 0 }, { "_maxfiles", 0 }, { "_nfiles", 0 }, { "_tty_list", 0 }, { "" } }; static int usenumflag; static int totalflag; static int swapflag; static char *nlistf; static char *memf; static kvm_t *kd; static char *usagestr; static void filemode(void); static int getfiles(char **, size_t *); static void swapmode(void); static void ttymode(void); static void ttyprt(struct xtty *); 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 [-Tfknst] [-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; if (memf != NULL) { kd = kvm_openfiles(nlistf, memf, NULL, O_RDONLY, buf); if (kd == NULL) errx(1, "kvm_openfiles: %s", buf); if ((ret = kvm_nlist(kd, nl)) != 0) { if (ret == -1) errx(1, "kvm_nlist: %s", kvm_geterr(kd)); quit = 0; for (i = 0; nl[i].n_name[0] != '\0'; ++i) if (nl[i].n_value == 0) { 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"; static void ttymode_kvm(void) { SLIST_HEAD(, tty) tl; struct tty *tp, tty; struct xtty xt; (void)printf("%s", hdr); bzero(&xt, sizeof xt); xt.xt_size = sizeof xt; if (kvm_read(kd, nl[NL_TTY_LIST].n_value, &tl, sizeof tl) != sizeof tl) errx(1, "kvm_read(): %s", kvm_geterr(kd)); tp = SLIST_FIRST(&tl); while (tp != NULL) { if (kvm_read(kd, (u_long)tp, &tty, sizeof tty) != sizeof tty) errx(1, "kvm_read(): %s", kvm_geterr(kd)); xt.xt_rawcc = tty.t_rawq.c_cc; xt.xt_cancc = tty.t_canq.c_cc; xt.xt_outcc = tty.t_outq.c_cc; #define XT_COPY(field) xt.xt_##field = tty.t_##field XT_COPY(line); XT_COPY(state); XT_COPY(column); XT_COPY(ihiwat); XT_COPY(ilowat); XT_COPY(ohiwat); XT_COPY(olowat); #undef XT_COPY ttyprt(&xt); tp = tty.t_list.sle_next; } } static void ttymode_sysctl(void) { struct xtty *xt, *end; void *xttys; size_t len; (void)printf("%s", hdr); if ((xttys = malloc(len = sizeof *xt)) == NULL) err(1, "malloc()"); while (sysctlbyname("kern.ttys", xttys, &len, 0, 0) == -1) { if (errno != ENOMEM) err(1, "sysctlbyname()"); len *= 2; if ((xttys = realloc(xttys, len)) == NULL) err(1, "realloc()"); } if (len > 0) { end = (struct xtty *)((char *)xttys + len); for (xt = xttys; xt < end; xt++) ttyprt(xt); } } static void ttymode(void) { if (kd != NULL) ttymode_kvm(); else ttymode_sysctl(); } 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 xtty *xt) { int i, j; pid_t pgid; char *name, state[20]; if (xt->xt_size != sizeof *xt) errx(1, "struct xtty size mismatch"); if (usenumflag || xt->xt_dev == 0 || (name = devname(xt->xt_dev, S_IFCHR)) == NULL) (void)printf(" %2d,%-2d", major(xt->xt_dev), minor(xt->xt_dev)); else (void)printf("%7s ", name); (void)printf("%2ld %3ld ", xt->xt_rawcc, xt->xt_cancc); (void)printf("%3ld %5d %5d %4d %3d %7d ", xt->xt_outcc, xt->xt_ihiwat, xt->xt_ilowat, xt->xt_ohiwat, xt->xt_olowat, xt->xt_column); for (i = j = 0; ttystates[i].flag; i++) if (xt->xt_state & ttystates[i].flag) state[j++] = ttystates[i].val; if (j == 0) state[j++] = '-'; state[j] = '\0'; (void)printf("%-6s %8d", state, xt->xt_sid); pgid = 0; (void)printf("%6d ", xt->xt_pgid); switch (xt->xt_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", xt->xt_line); break; } } static void filemode(void) { struct xfile *fp; char *buf, flagbuf[16], *fbp; int maxf, openf; size_t len; static char *dtypes[] = { "???", "inode", "socket" }; int i; if (kd != NULL) { if (kvm_read(kd, nl[NL_MAXFILES].n_value, &maxf, sizeof maxf) != sizeof maxf || kvm_read(kd, nl[NL_NFILES].n_value, &openf, sizeof openf) != sizeof openf) errx(1, "kvm_read(): %s", kvm_geterr(kd)); } else { len = sizeof(int); if (sysctlbyname("kern.maxfiles", &maxf, &len, 0, 0) == -1 || sysctlbyname("kern.openfiles", &openf, &len, 0, 0) == -1) err(1, "sysctlbyname()"); } if (totalflag) { (void)printf("%3d/%3d files\n", openf, maxf); return; } if (getfiles(&buf, &len) == -1) return; openf = len / sizeof *fp; (void)printf("%d/%d open files\n", openf, maxf); (void)printf(" LOC TYPE FLG CNT MSG DATA OFFSET\n"); for (fp = (struct xfile *)buf, i = 0; i < openf; ++fp, ++i) { if ((unsigned)fp->xf_type > DTYPE_SOCKET) continue; (void)printf("%8jx ", (uintmax_t)(uintptr_t)fp->xf_file); (void)printf("%-8.8s", dtypes[fp->xf_type]); fbp = flagbuf; if (fp->xf_flag & FREAD) *fbp++ = 'R'; if (fp->xf_flag & FWRITE) *fbp++ = 'W'; if (fp->xf_flag & FAPPEND) *fbp++ = 'A'; if (fp->xf_flag & FASYNC) *fbp++ = 'I'; *fbp = '\0'; (void)printf("%6s %3d", flagbuf, fp->xf_count); (void)printf(" %3d", fp->xf_msgcount); (void)printf(" %p", fp->xf_data); (void)printf(" %jx\n", (uintmax_t)fp->xf_offset); } free(buf); } static int getfiles(char **abuf, size_t *alen) { size_t len; int mib[2]; char *buf; /* * XXX * Add emulation of KINFO_FILE here. */ if (kd != 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 . */ #define CONVERT(v) ((int)((intmax_t)(v) * pagesize / blocksize)) static struct kvm_swap swtot; static int nswdev; static void print_swap_header(void) { int hlen; long blocksize; const char *header; header = getbsize(&hlen, &blocksize); if (totalflag == 0) (void)printf("%-15s %*s %8s %8s %8s %s\n", "Device", hlen, header, "Used", "Avail", "Capacity", "Type"); } static void print_swap(struct kvm_swap *ksw) { int hlen, pagesize; long blocksize; pagesize = getpagesize(); getbsize(&hlen, &blocksize); swtot.ksw_total += ksw->ksw_total; swtot.ksw_used += ksw->ksw_used; ++nswdev; if (totalflag == 0) { (void)printf("%-15s %*d ", ksw->ksw_devname, hlen, CONVERT(ksw->ksw_total)); (void)printf("%8d %8d %5.0f%% %s\n", CONVERT(ksw->ksw_used), CONVERT(ksw->ksw_total - ksw->ksw_used), (ksw->ksw_used * 100.0) / ksw->ksw_total, (ksw->ksw_flags & SW_SEQUENTIAL) ? "Sequential" : "Interleaved"); } } static void print_swap_total(void) { int hlen, pagesize; long blocksize; pagesize = getpagesize(); getbsize(&hlen, &blocksize); if (totalflag) { blocksize = 1024 * 1024; (void)printf("%dM/%dM swap space\n", CONVERT(swtot.ksw_used), CONVERT(swtot.ksw_total)); } else if (nswdev > 1) { (void)printf("%-15s %*d %8d %8d %5.0f%%\n", "Total", hlen, CONVERT(swtot.ksw_total), CONVERT(swtot.ksw_used), CONVERT(swtot.ksw_total - swtot.ksw_used), (swtot.ksw_used * 100.0) / swtot.ksw_total); } } static void swapmode_kvm(void) { struct kvm_swap kswap[16]; int i, n; n = kvm_getswapinfo(kd, kswap, sizeof kswap / sizeof kswap[0], ((swapflag > 1) ? SWIF_DUMP_TREE : 0) | SWIF_DEV_PREFIX); print_swap_header(); for (i = 0; i < n; ++i) print_swap(&kswap[i]); print_swap_total(); } static void swapmode_sysctl(void) { struct kvm_swap ksw; struct xswdev xsw; size_t mibsize, size; int mib[16], n; print_swap_header(); mibsize = sizeof mib / sizeof mib[0]; if (sysctlnametomib("vm.swap_info", mib, &mibsize) == -1) err(1, "sysctlnametomib()"); for (n = 0; ; ++n) { mib[mibsize] = n; size = sizeof xsw; if (sysctl(mib, mibsize + 1, &xsw, &size, NULL, NULL) == -1) break; if (xsw.xsw_version != XSWDEV_VERSION) errx(1, "xswdev version mismatch"); snprintf(ksw.ksw_devname, sizeof ksw.ksw_devname, "/dev/%s", devname(xsw.xsw_dev, S_IFCHR)); ksw.ksw_used = xsw.xsw_used; ksw.ksw_total = xsw.xsw_nblks; ksw.ksw_flags = xsw.xsw_flags; print_swap(&ksw); } if (errno != ENOENT) err(1, "sysctl()"); print_swap_total(); } static void swapmode(void) { if (kd != NULL) swapmode_kvm(); else swapmode_sysctl(); }