/*- * Copyright (c) 1980, 1991, 1993 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static char copyright[] = "@(#) Copyright (c) 1980, 1991, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint /* from: static char sccsid[] = "@(#)pstat.c 8.9 (Berkeley) 2/16/94"; */ static char *rcsid = "$Id: pstat.c,v 1.5 1994/06/22 05:38:22 chopps Exp $"; #endif /* not lint */ #include #include #include #include #include #define KERNEL #include #include #include #define NFS #include #undef NFS #undef KERNEL #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include struct nlist nl[] = { #define VM_SWAPMAP 0 { "_swapmap" }, /* list of free swap areas */ #define VM_NSWAPMAP 1 { "_nswapmap" },/* size of the swap map */ #define VM_SWDEVT 2 { "_swdevt" }, /* list of swap devices and sizes */ #define VM_NSWAP 3 { "_nswap" }, /* size of largest swap device */ #define VM_NSWDEV 4 { "_nswdev" }, /* number of swap devices */ #define VM_DMMAX 5 { "_dmmax" }, /* maximum size of a swap block */ #define V_MOUNTLIST 6 { "_mountlist" }, /* address of head of mount list. */ #define V_NUMV 7 { "_numvnodes" }, #define FNL_NFILE 8 {"_nfiles"}, #define FNL_MAXFILE 9 {"_maxfiles"}, #define NLMANDATORY FNL_MAXFILE /* names up to here are mandatory */ #define VM_NISWAP NLMANDATORY + 1 { "_niswap" }, #define VM_NISWDEV NLMANDATORY + 2 { "_niswdev" }, #define SCONS NLMANDATORY + 3 { "_constty" }, #define SPTY NLMANDATORY + 4 { "_pt_tty" }, #define SNPTY NLMANDATORY + 5 { "_npty" }, #ifdef sparc #define SZS (SNPTY+1) { "_zs_tty" }, #define SCZS (SNPTY+2) { "_zscd" }, #endif #ifdef hp300 #define SDCA (SNPTY+1) { "_dca_tty" }, #define SNDCA (SNPTY+2) { "_ndca" }, #define SDCM (SNPTY+3) { "_dcm_tty" }, #define SNDCM (SNPTY+4) { "_ndcm" }, #define SDCL (SNPTY+5) { "_dcl_tty" }, #define SNDCL (SNPTY+6) { "_ndcl" }, #define SITE (SNPTY+7) { "_ite_tty" }, #define SNITE (SNPTY+8) { "_nite" }, #endif #ifdef mips #define SDC (SNPTY+1) { "_dc_tty" }, #define SNDC (SNPTY+2) { "_dc_cnt" }, #endif #ifdef i386 #define SPC (SNPTY+1) { "_pc_tty" }, #define SCPC (SNPTY+2) { "_pccd" }, #define SCOM (SNPTY+3) { "_com_tty" }, #define SCCOM (SNPTY+4) { "_comcd" }, #endif #ifdef amiga #define SSER (SNPTY + 1) { "_ser_tty" }, #define SCSER (SNPTY + 2) { "_sercd" }, #define SITE (SNPTY + 3) { "_ite_tty" }, #define SCITE (SNPTY + 4) { "_itecd" }, #endif { "" } }; int usenumflag; int totalflag; char *nlistf = NULL; char *memf = NULL; kvm_t *kd; #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 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); \ } void filemode __P((void)); int getfiles __P((char **, int *)); struct mount * getmnt __P((struct mount *)); struct e_vnode * kinfo_vnodes __P((int *)); struct e_vnode * loadvnodes __P((int *)); void mount_print __P((struct mount *)); void nfs_header __P((void)); int nfs_print __P((struct vnode *)); void swapmode __P((void)); void ttymode __P((void)); void ttyprt __P((struct tty *, int)); void ttytype __P((char *, int, int)); void ttytype_newcf __P((char *, int, int)); void ttytype_oldcf __P((char *, int, int)); void ufs_header __P((void)); int ufs_print __P((struct vnode *)); void usage __P((void)); void vnode_header __P((void)); void vnode_print __P((struct vnode *, struct vnode *)); void vnodemode __P((void)); int main(argc, argv) int argc; char *argv[]; { extern char *optarg; extern int optind; int ch, i, quit, ret; int fileflag, swapflag, ttyflag, vnodeflag; char buf[_POSIX2_LINE_MAX]; fileflag = swapflag = ttyflag = vnodeflag = 0; while ((ch = getopt(argc, argv, "TM:N:finstv")) != EOF) switch (ch) { case 'f': fileflag = 1; break; case 'M': memf = optarg; break; case 'N': nlistf = optarg; break; case 'n': usenumflag = 1; break; case 's': swapflag = 1; break; case 'T': totalflag = 1; break; case 't': ttyflag = 1; break; case 'v': case 'i': /* Backward compatibility. */ vnodeflag = 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); if ((ret = kvm_nlist(kd, nl)) != 0) { if (ret == -1) errx(1, "kvm_nlist: %s", kvm_geterr(kd)); for (i = quit = 0; i <= NLMANDATORY; i++) if (!nl[i].n_value) { quit = 1; warnx("undefined symbol: %s\n", nl[i].n_name); } if (quit) exit(1); } if (!(fileflag | vnodeflag | ttyflag | swapflag | totalflag)) usage(); if (fileflag || totalflag) filemode(); if (vnodeflag || totalflag) vnodemode(); if (ttyflag) ttymode(); if (swapflag || totalflag) swapmode(); exit (0); } struct e_vnode { struct vnode *avnode; struct vnode vnode; }; void vnodemode() { register struct e_vnode *e_vnodebase, *endvnode, *evp; register struct vnode *vp; register struct mount *maddr, *mp; int numvnodes; e_vnodebase = loadvnodes(&numvnodes); if (totalflag) { (void)printf("%7d vnodes\n", numvnodes); return; } endvnode = e_vnodebase + numvnodes; (void)printf("%d active vnodes\n", numvnodes); #define ST mp->mnt_stat maddr = NULL; for (evp = e_vnodebase; evp < endvnode; evp++) { vp = &evp->vnode; if (vp->v_mount != maddr) { /* * New filesystem */ if ((mp = getmnt(vp->v_mount)) == NULL) continue; maddr = vp->v_mount; mount_print(mp); vnode_header(); if (!strncmp(ST.f_fstypename, MOUNT_UFS, MFSNAMELEN) || !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { ufs_header(); } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { nfs_header(); } (void)printf("\n"); } vnode_print(evp->avnode, vp); if (!strncmp(ST.f_fstypename, MOUNT_UFS, MFSNAMELEN) || !strncmp(ST.f_fstypename, MOUNT_MFS, MFSNAMELEN)) { ufs_print(vp); } else if (!strncmp(ST.f_fstypename, MOUNT_NFS, MFSNAMELEN)) { nfs_print(vp); } (void)printf("\n"); } free(e_vnodebase); } void vnode_header() { (void)printf("ADDR TYP VFLAG USE HOLD"); } void vnode_print(avnode, vp) struct vnode *avnode; struct vnode *vp; { char *type, flags[16]; char *fp = flags; register int flag; /* * set type */ switch(vp->v_type) { case VNON: type = "non"; break; case VREG: type = "reg"; break; case VDIR: type = "dir"; break; case VBLK: type = "blk"; break; case VCHR: type = "chr"; break; case VLNK: type = "lnk"; break; case VSOCK: type = "soc"; break; case VFIFO: type = "fif"; break; case VBAD: type = "bad"; break; default: type = "unk"; break; } /* * gather flags */ flag = vp->v_flag; if (flag & VROOT) *fp++ = 'R'; if (flag & VTEXT) *fp++ = 'T'; if (flag & VSYSTEM) *fp++ = 'S'; if (flag & VXLOCK) *fp++ = 'L'; if (flag & VXWANT) *fp++ = 'W'; if (flag & VBWAIT) *fp++ = 'B'; if (flag & VALIASED) *fp++ = 'A'; if (flag == 0) *fp++ = '-'; *fp = '\0'; (void)printf("%8x %s %5s %4d %4d", avnode, type, flags, vp->v_usecount, vp->v_holdcnt); } void ufs_header() { (void)printf(" FILEID IFLAG RDEV|SZ"); } int ufs_print(vp) struct vnode *vp; { register int flag; struct inode inode, *ip = &inode; char flagbuf[16], *flags = flagbuf; char *name; mode_t type; KGETRET(VTOI(vp), &inode, sizeof(struct inode), "vnode's inode"); flag = ip->i_flag; if (flag & IN_LOCKED) *flags++ = 'L'; if (flag & IN_WANTED) *flags++ = 'W'; if (flag & IN_RENAME) *flags++ = 'R'; if (flag & IN_UPDATE) *flags++ = 'U'; if (flag & IN_ACCESS) *flags++ = 'A'; if (flag & IN_CHANGE) *flags++ = 'C'; if (flag & IN_MODIFIED) *flags++ = 'M'; if (flag & IN_SHLOCK) *flags++ = 'S'; if (flag & IN_EXLOCK) *flags++ = 'E'; if (flag & IN_LWAIT) *flags++ = 'Z'; if (flag == 0) *flags++ = '-'; *flags = '\0'; (void)printf(" %6d %5s", ip->i_number, flagbuf); type = ip->i_mode & S_IFMT; if (S_ISCHR(ip->i_mode) || S_ISBLK(ip->i_mode)) if (usenumflag || ((name = devname(ip->i_rdev, type)) == NULL)) (void)printf(" %2d,%-2d", major(ip->i_rdev), minor(ip->i_rdev)); else (void)printf(" %7s", name); else (void)printf(" %7qd", ip->i_size); return (0); } void nfs_header() { (void)printf(" FILEID NFLAG RDEV|SZ"); } int nfs_print(vp) struct vnode *vp; { struct nfsnode nfsnode, *np = &nfsnode; char flagbuf[16], *flags = flagbuf; register int flag; char *name; mode_t type; KGETRET(VTONFS(vp), &nfsnode, sizeof(nfsnode), "vnode's nfsnode"); flag = np->n_flag; if (flag & NFLUSHWANT) *flags++ = 'W'; if (flag & NFLUSHINPROG) *flags++ = 'P'; if (flag & NMODIFIED) *flags++ = 'M'; if (flag & NWRITEERR) *flags++ = 'E'; if (flag & NQNFSNONCACHE) *flags++ = 'X'; if (flag & NQNFSWRITE) *flags++ = 'O'; if (flag & NQNFSEVICTED) *flags++ = 'G'; if (flag == 0) *flags++ = '-'; *flags = '\0'; #define VT np->n_vattr (void)printf(" %6d %5s", VT.va_fileid, flagbuf); type = VT.va_mode & S_IFMT; if (S_ISCHR(VT.va_mode) || S_ISBLK(VT.va_mode)) if (usenumflag || ((name = devname(VT.va_rdev, type)) == NULL)) (void)printf(" %2d,%-2d", major(VT.va_rdev), minor(VT.va_rdev)); else (void)printf(" %7s", name); else (void)printf(" %7qd", np->n_size); return (0); } /* * Given a pointer to a mount structure in kernel space, * read it in and return a usable pointer to it. */ struct mount * getmnt(maddr) struct mount *maddr; { static struct mtab { struct mtab *next; struct mount *maddr; struct mount mount; } *mhead = NULL; register struct mtab *mt; for (mt = mhead; mt != NULL; mt = mt->next) if (maddr == mt->maddr) return (&mt->mount); if ((mt = malloc(sizeof(struct mtab))) == NULL) err(1, NULL); KGETRET(maddr, &mt->mount, sizeof(struct mount), "mount table"); mt->maddr = maddr; mt->next = mhead; mhead = mt; return (&mt->mount); } void mount_print(mp) struct mount *mp; { register int flags; char *type; #define ST mp->mnt_stat (void)printf("*** MOUNT "); (void)printf("%s %s on %s", ST.f_fstypename, ST.f_mntfromname, ST.f_mntonname); if (flags = mp->mnt_flag) { char *comma = "("; putchar(' '); /* user visable flags */ if (flags & MNT_RDONLY) { (void)printf("%srdonly", comma); flags &= ~MNT_RDONLY; comma = ","; } if (flags & MNT_SYNCHRONOUS) { (void)printf("%ssynchronous", comma); flags &= ~MNT_SYNCHRONOUS; comma = ","; } if (flags & MNT_NOEXEC) { (void)printf("%snoexec", comma); flags &= ~MNT_NOEXEC; comma = ","; } if (flags & MNT_NOSUID) { (void)printf("%snosuid", comma); flags &= ~MNT_NOSUID; comma = ","; } if (flags & MNT_NODEV) { (void)printf("%snodev", comma); flags &= ~MNT_NODEV; comma = ","; } if (flags & MNT_EXPORTED) { (void)printf("%sexport", comma); flags &= ~MNT_EXPORTED; comma = ","; } if (flags & MNT_EXRDONLY) { (void)printf("%sexrdonly", comma); flags &= ~MNT_EXRDONLY; comma = ","; } if (flags & MNT_LOCAL) { (void)printf("%slocal", comma); flags &= ~MNT_LOCAL; comma = ","; } if (flags & MNT_QUOTA) { (void)printf("%squota", comma); flags &= ~MNT_QUOTA; comma = ","; } /* filesystem control flags */ if (flags & MNT_UPDATE) { (void)printf("%supdate", comma); flags &= ~MNT_UPDATE; comma = ","; } if (flags & MNT_MLOCK) { (void)printf("%slock", comma); flags &= ~MNT_MLOCK; comma = ","; } if (flags & MNT_MWAIT) { (void)printf("%swait", comma); flags &= ~MNT_MWAIT; comma = ","; } if (flags & MNT_MPBUSY) { (void)printf("%sbusy", comma); flags &= ~MNT_MPBUSY; comma = ","; } if (flags & MNT_MPWANT) { (void)printf("%swant", comma); flags &= ~MNT_MPWANT; comma = ","; } if (flags & MNT_UNMOUNT) { (void)printf("%sunmount", comma); flags &= ~MNT_UNMOUNT; comma = ","; } if (flags) (void)printf("%sunknown_flags:%x", comma, flags); (void)printf(")"); } (void)printf("\n"); #undef ST } struct e_vnode * loadvnodes(avnodes) int *avnodes; { int mib[2]; size_t copysize; struct e_vnode *vnodebase; if (memf != NULL) { /* * do it by hand */ return (kinfo_vnodes(avnodes)); } mib[0] = CTL_KERN; mib[1] = KERN_VNODE; if (sysctl(mib, 2, NULL, ©size, NULL, 0) == -1) err(1, "sysctl: KERN_VNODE"); if ((vnodebase = malloc(copysize)) == NULL) err(1, NULL); if (sysctl(mib, 2, vnodebase, ©size, NULL, 0) == -1) err(1, "sysctl: KERN_VNODE"); if (copysize % sizeof(struct e_vnode)) errx(1, "vnode size mismatch"); *avnodes = copysize / sizeof(struct e_vnode); return (vnodebase); } /* * simulate what a running kernel does in in kinfo_vnode */ struct e_vnode * kinfo_vnodes(avnodes) int *avnodes; { struct mntlist mountlist; struct mount *mp, mount; struct vnode *vp, vnode; char *vbuf, *evbuf, *bp; int num, numvnodes; #define VPTRSZ sizeof(struct vnode *) #define VNODESZ sizeof(struct vnode) KGET(V_NUMV, numvnodes); if ((vbuf = malloc((numvnodes + 20) * (VPTRSZ + VNODESZ))) == NULL) err(1, NULL); bp = vbuf; evbuf = vbuf + (numvnodes + 20) * (VPTRSZ + VNODESZ); KGET(V_MOUNTLIST, mountlist); for (num = 0, mp = mountlist.tqh_first; mp != NULL; mp = mp->mnt_list.tqe_next) { KGET2(mp, &mount, sizeof(mount), "mount entry"); for (vp = mount.mnt_vnodelist.lh_first; vp != NULL; vp = vp->v_mntvnodes.le_next) { KGET2(vp, &vnode, sizeof(vnode), "vnode"); if ((bp + VPTRSZ + VNODESZ) > evbuf) /* XXX - should realloc */ errx(1, "no more room for vnodes"); memmove(bp, &vp, VPTRSZ); bp += VPTRSZ; memmove(bp, &vnode, VNODESZ); bp += VNODESZ; num++; } } *avnodes = num; return ((struct e_vnode *)vbuf); } char hdr[]=" LINE RAW CAN OUT HWT LWT COL STATE SESS PGID DISC\n"; void ttymode() { #ifdef sparc ttytype("console", SCONS, 1); ttytype_newcf("zs", SZS, SCZS); #endif #ifdef vax if (nl[SNQD].n_type != 0) qdss(); if (nl[SNDZ].n_type != 0) ttytype_oldcf("dz", SDZ, SNDZ); if (nl[SNDH].n_type != 0) ttytype_oldcf("dh", SDH, SNDH); if (nl[SNDMF].n_type != 0) ttytype_oldcf("dmf", SDMF, SNDMF); if (nl[SNDHU].n_type != 0) ttytype_oldcf("dhu", SDHU, SNDHU); if (nl[SNDMZ].n_type != 0) ttytype_oldcf("dmz", SDMZ, SNDMZ); #endif #ifdef tahoe if (nl[SNVX].n_type != 0) ttytype_oldcf("vx", SVX, SNVX); if (nl[SNMP].n_type != 0) ttytype_oldcf("mp", SMP, SNMP); #endif #ifdef hp300 if (nl[SNITE].n_type != 0) ttytype_oldcf("ite", SITE, SNITE); if (nl[SNDCA].n_type != 0) ttytype_oldcf("dca", SDCA, SNDCA); if (nl[SNDCM].n_type != 0) ttytype_oldcf("dcm", SDCM, SNDCM); if (nl[SNDCL].n_type != 0) ttytype_oldcf("dcl", SDCL, SNDCL); #endif #ifdef mips if (nl[SNDC].n_type != 0) ttytype_oldcf("dc", SDC, SNDC); #endif #ifdef i386 if (nl[SCPC].n_type != 0) ttytype_newcf("pc", SPC, SCPC); if (nl[SCCOM].n_type != 0) ttytype_newcf("com", SCOM, SCCOM); #endif #ifdef amiga if (nl[SCSER].n_type != 0) ttytype_newcf("ser", SSER, SCSER); if (nl[SCITE].n_type != 0) ttytype_newcf("ite", SITE, SCITE); #endif if (nl[SNPTY].n_type != 0) ttytype_oldcf("pty", SPTY, SNPTY); } void ttytype_oldcf(name, type, number) char *name; int type, number; { int ntty; KGET(number, ntty); ttytype(name, type, ntty); } void ttytype_newcf(name, type, config) char *name; int type, config; { struct cfdriver cf; void **cd; int i; KGET(config, cf); cd = malloc(cf.cd_ndevs * sizeof(void *)); if (!cd) return; KGET2(cf.cd_devs, cd, cf.cd_ndevs * sizeof(void *), "cfdevicep"); for (i = cf.cd_ndevs - 1; i >= 0; --i) if (cd[i]) break; free(cd); ttytype(name, type, i + 1); } void ttytype(name, type, number) char *name; int type, number; { static struct tty **ttyp; static int nttyp; static struct tty tty; int ntty = number, i; (void)printf("%d %s %s\n", ntty, name, (ntty == 1) ? "line" : "lines"); if (ntty > nttyp) { nttyp = ntty; if ((ttyp = realloc(ttyp, nttyp * sizeof(*ttyp))) == 0) err(1, NULL); } KGET1(type, ttyp, nttyp * sizeof(*ttyp), "tty pointers"); (void)printf(hdr); for (i = 0; i < ntty; i++) { if (ttyp[i] == NULL) continue; KGET2(ttyp[i], &tty, sizeof(struct tty), "tty struct"); ttyprt(&tty, i); } } struct { int flag; char val; } ttystates[] = { { TS_WOPEN, 'W'}, { TS_ISOPEN, 'O'}, { TS_CARR_ON, 'C'}, { TS_TIMEOUT, 'T'}, { TS_FLUSH, 'F'}, { TS_BUSY, 'B'}, { TS_ASLEEP, 'A'}, { TS_XCLUDE, 'X'}, { TS_TTSTOP, 'S'}, { TS_TBLOCK, 'K'}, { TS_ASYNC, 'Y'}, { TS_BKSL, 'D'}, { TS_ERASE, 'E'}, { TS_LNCH, 'L'}, { TS_TYPEN, 'P'}, { TS_CNTTB, 'N'}, { 0, '\0'}, }; void ttyprt(tp, line) register struct tty *tp; int line; { register 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("%7d ", line); else (void)printf("%-7s ", name); (void)printf("%3d %4d ", tp->t_rawq.c_cc, tp->t_canq.c_cc); (void)printf("%4d %4d %3d %6d ", tp->t_outq.c_cc, tp->t_hiwat, tp->t_lowat, 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 %6x", state, (u_long)tp->t_session & ~KERNBASE); 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 TABLDISC: (void)printf("tab\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; } } void filemode() { register 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 = *((struct file **)buf); fp = (struct file *)(buf + sizeof(struct file *)); nfile = (len - sizeof(struct file *)) / 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 = fp->f_filef, fp++) { if ((unsigned)fp->f_type > DTYPE_SOCKET) continue; (void)printf("%x ", 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'; #ifdef FSHLOCK /* currently gone */ if (fp->f_flag & FSHLOCK) *fbp++ = 'S'; if (fp->f_flag & FEXLOCK) *fbp++ = 'X'; #endif 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(" %8.1x", 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); } int getfiles(abuf, alen) 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\n"); 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) err(1, NULL); 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 . */ void swapmode() { char *header; int hlen, nswap, nswdev, dmmax, nswapmap, niswap, niswdev; int s, e, div, i, l, avail, nfree, npfree, used; struct swdevt *sw; long blocksize, *perdev; struct map *swapmap, *kswapmap; struct mapent *mp; KGET(VM_NSWAP, nswap); KGET(VM_NSWDEV, nswdev); KGET(VM_DMMAX, dmmax); KGET(VM_NSWAPMAP, nswapmap); KGET(VM_SWAPMAP, kswapmap); /* kernel `swapmap' is a pointer */ if ((sw = malloc(nswdev * sizeof(*sw))) == NULL || (perdev = malloc(nswdev * sizeof(*perdev))) == NULL || (mp = malloc(nswapmap * sizeof(*mp))) == NULL) err(1, "malloc"); KGET1(VM_SWDEVT, sw, nswdev * sizeof(*sw), "swdevt"); KGET2((long)kswapmap, mp, nswapmap * sizeof(*mp), "swapmap"); /* Supports sequential swap */ if (nl[VM_NISWAP].n_value != 0) { KGET(VM_NISWAP, niswap); KGET(VM_NISWDEV, niswdev); } else { niswap = nswap; niswdev = nswdev; } /* First entry in map is `struct map'; rest are mapent's. */ swapmap = (struct map *)mp; if (nswapmap != swapmap->m_limit - (struct mapent *)kswapmap) errx(1, "panic: nswapmap goof"); /* Count up swap space. */ nfree = 0; memset(perdev, 0, nswdev * sizeof(*perdev)); for (mp++; mp->m_addr != 0; mp++) { s = mp->m_addr; /* start of swap region */ e = mp->m_addr + mp->m_size; /* end of region */ nfree += mp->m_size; /* * Swap space is split up among the configured disks. * * For interleaved swap devices, the first dmmax blocks * of swap space some from the first disk, the next dmmax * blocks from the next, and so on up to niswap blocks. * * Sequential swap devices follow the interleaved devices * (i.e. blocks starting at niswap) in the order in which * they appear in the swdev table. The size of each device * will be a multiple of dmmax. * * The list of free space joins adjacent free blocks, * ignoring device boundries. If we want to keep track * of this information per device, we'll just have to * extract it ourselves. We know that dmmax-sized chunks * cannot span device boundaries (interleaved or sequential) * so we loop over such chunks assigning them to devices. */ i = -1; while (s < e) { /* XXX this is inefficient */ int bound = roundup(s+1, dmmax); if (bound > e) bound = e; if (bound <= niswap) { /* Interleaved swap chunk. */ if (i == -1) i = (s / dmmax) % niswdev; perdev[i] += bound - s; if (++i >= niswdev) i = 0; } else { /* Sequential swap chunk. */ if (i < niswdev) { i = niswdev; l = niswap + sw[i].sw_nblks; } while (s >= l) { /* XXX don't die on bogus blocks */ if (i == nswdev-1) break; l += sw[++i].sw_nblks; } perdev[i] += bound - s; } s = bound; } } header = getbsize(&hlen, &blocksize); if (!totalflag) (void)printf("%-11s %*s %8s %8s %8s %s\n", "Device", hlen, header, "Used", "Avail", "Capacity", "Type"); div = blocksize / 512; avail = npfree = 0; for (i = 0; i < nswdev; i++) { int xsize, xfree; if (!totalflag) (void)printf("/dev/%-6s %*d ", devname(sw[i].sw_dev, S_IFBLK), hlen, sw[i].sw_nblks / div); /* * Don't report statistics for partitions which have not * yet been activated via swapon(8). */ if (!(sw[i].sw_flags & SW_FREED)) { if (totalflag) continue; (void)printf(" *** not available for swapping ***\n"); continue; } xsize = sw[i].sw_nblks; xfree = perdev[i]; used = xsize - xfree; npfree++; avail += xsize; if (totalflag) continue; (void)printf("%8d %8d %5.0f%% %s\n", used / div, xfree / div, (double)used / (double)xsize * 100.0, (sw[i].sw_flags & SW_SEQUENTIAL) ? "Sequential" : "Interleaved"); } /* * If only one partition has been set up via swapon(8), we don't * need to bother with totals. */ used = avail - nfree; if (totalflag) { (void)printf("%dM/%dM swap space\n", used / 2048, avail / 2048); return; } if (npfree > 1) { (void)printf("%-11s %*d %8d %8d %5.0f%%\n", "Total", hlen, avail / div, used / div, nfree / div, (double)used / (double)avail * 100.0); } } void usage() { (void)fprintf(stderr, "usage: pstat -Tfnstv [system] [-M core] [-N system]\n"); exit(1); }