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-rw-r--r--usr.sbin/pstat/pstat.c1110
1 files changed, 1110 insertions, 0 deletions
diff --git a/usr.sbin/pstat/pstat.c b/usr.sbin/pstat/pstat.c
new file mode 100644
index 0000000..0a3cdea
--- /dev/null
+++ b/usr.sbin/pstat/pstat.c
@@ -0,0 +1,1110 @@
+/*-
+ * 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
+static char sccsid[] = "@(#)pstat.c 8.9 (Berkeley) 2/16/94";
+#endif /* not lint */
+
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/vnode.h>
+#include <sys/map.h>
+#include <sys/ucred.h>
+#define KERNEL
+#include <sys/file.h>
+#include <ufs/ufs/quota.h>
+#include <ufs/ufs/inode.h>
+#define NFS
+#include <sys/mount.h>
+#undef NFS
+#undef KERNEL
+#include <sys/stat.h>
+#include <nfs/nfsnode.h>
+#include <sys/ioctl.h>
+#include <sys/tty.h>
+#include <sys/conf.h>
+
+#include <sys/sysctl.h>
+
+#include <err.h>
+#include <kvm.h>
+#include <limits.h>
+#include <nlist.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+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
+ { "_cons" },
+#define SPTY NLMANDATORY + 4
+ { "_pt_tty" },
+#define SNPTY NLMANDATORY + 5
+ { "_npty" },
+
+#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
+
+ { "" }
+};
+
+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((struct tty *, 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();
+ switch(ST.f_type) {
+ case MOUNT_UFS:
+ case MOUNT_MFS:
+ ufs_header();
+ break;
+ case MOUNT_NFS:
+ nfs_header();
+ break;
+ case MOUNT_NONE:
+ case MOUNT_MSDOS:
+ default:
+ break;
+ }
+ (void)printf("\n");
+ }
+ vnode_print(evp->avnode, vp);
+ switch(ST.f_type) {
+ case MOUNT_UFS:
+ case MOUNT_MFS:
+ ufs_print(vp);
+ break;
+ case MOUNT_NFS:
+ nfs_print(vp);
+ break;
+ case MOUNT_NONE:
+ case MOUNT_MSDOS:
+ default:
+ break;
+ }
+ (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 ");
+ switch (ST.f_type) {
+ case MOUNT_NONE:
+ type = "none";
+ break;
+ case MOUNT_UFS:
+ type = "ufs";
+ break;
+ case MOUNT_NFS:
+ type = "nfs";
+ break;
+ case MOUNT_MFS:
+ type = "mfs";
+ break;
+ case MOUNT_MSDOS:
+ type = "pc";
+ break;
+ default:
+ type = "unknown";
+ break;
+ }
+ (void)printf("%s %s on %s", type, 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, &copysize, NULL, 0) == -1)
+ err(1, "sysctl: KERN_VNODE");
+ if ((vnodebase = malloc(copysize)) == NULL)
+ err(1, NULL);
+ if (sysctl(mib, 2, vnodebase, &copysize, 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";
+int ttyspace = 128;
+
+void
+ttymode()
+{
+ struct tty *tty;
+
+ if ((tty = malloc(ttyspace * sizeof(*tty))) == NULL)
+ err(1, NULL);
+#ifndef hp300
+ (void)printf("1 console\n");
+ KGET(SCONS, *tty);
+ (void)printf(hdr);
+ ttyprt(&tty[0], 0);
+#endif
+#ifdef vax
+ if (nl[SNQD].n_type != 0)
+ qdss();
+ if (nl[SNDZ].n_type != 0)
+ ttytype(tty, "dz", SDZ, SNDZ);
+ if (nl[SNDH].n_type != 0)
+ ttytype(tty, "dh", SDH, SNDH);
+ if (nl[SNDMF].n_type != 0)
+ ttytype(tty, "dmf", SDMF, SNDMF);
+ if (nl[SNDHU].n_type != 0)
+ ttytype(tty, "dhu", SDHU, SNDHU);
+ if (nl[SNDMZ].n_type != 0)
+ ttytype(tty, "dmz", SDMZ, SNDMZ);
+#endif
+#ifdef tahoe
+ if (nl[SNVX].n_type != 0)
+ ttytype(tty, "vx", SVX, SNVX);
+ if (nl[SNMP].n_type != 0)
+ ttytype(tty, "mp", SMP, SNMP);
+#endif
+#ifdef hp300
+ if (nl[SNITE].n_type != 0)
+ ttytype(tty, "ite", SITE, SNITE);
+ if (nl[SNDCA].n_type != 0)
+ ttytype(tty, "dca", SDCA, SNDCA);
+ if (nl[SNDCM].n_type != 0)
+ ttytype(tty, "dcm", SDCM, SNDCM);
+ if (nl[SNDCL].n_type != 0)
+ ttytype(tty, "dcl", SDCL, SNDCL);
+#endif
+#ifdef mips
+ if (nl[SNDC].n_type != 0)
+ ttytype(tty, "dc", SDC, SNDC);
+#endif
+ if (nl[SNPTY].n_type != 0)
+ ttytype(tty, "pty", SPTY, SNPTY);
+}
+
+void
+ttytype(tty, name, type, number)
+ register struct tty *tty;
+ char *name;
+ int type, number;
+{
+ register struct tty *tp;
+ int ntty;
+
+ 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)
+ err(1, NULL);
+ }
+ KGET1(type, tty, ntty * sizeof(struct tty), "tty structs");
+ (void)printf(hdr);
+ for (tp = tty; tp < &tty[ntty]; tp++)
+ ttyprt(tp, tp - tty);
+}
+
+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("%2d %3d ", tp->t_rawq.c_cc, tp->t_canq.c_cc);
+ (void)printf("%3d %4d %3d %3d ", 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("%-4s %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;
+ 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 <kml@rokkaku.atl.ga.us>.
+ */
+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);
+}
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