diff options
Diffstat (limited to 'bin/ps/keyword.c')
-rw-r--r-- | bin/ps/keyword.c | 415 |
1 files changed, 415 insertions, 0 deletions
diff --git a/bin/ps/keyword.c b/bin/ps/keyword.c new file mode 100644 index 0000000..f7504ca --- /dev/null +++ b/bin/ps/keyword.c @@ -0,0 +1,415 @@ +/* $NetBSD: keyword.c,v 1.56 2018/04/11 18:52:05 christos Exp $ */ + +/*- + * Copyright (c) 1990, 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. 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. + */ + +#include <sys/cdefs.h> +#ifndef lint +#if 0 +static char sccsid[] = "@(#)keyword.c 8.5 (Berkeley) 4/2/94"; +#else +__RCSID("$NetBSD: keyword.c,v 1.56 2018/04/11 18:52:05 christos Exp $"); +#endif +#endif /* not lint */ + +#include <sys/param.h> +#include <sys/time.h> +#include <sys/lwp.h> +#include <sys/proc.h> +#include <sys/resource.h> +#include <sys/sysctl.h> +#include <sys/ucred.h> + +#include <err.h> +#include <errno.h> +#include <kvm.h> +#include <stddef.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <signal.h> + +#include "ps.h" + +static VAR *findvar(const char *); +static int vcmp(const void *, const void *); + +#if 0 /* kernel doesn't calculate these */ + PUVAR("idrss", "IDRSS", 0, p_uru_idrss, UINT64, PRIu64), + PUVAR("isrss", "ISRSS", 0, p_uru_isrss, UINT64, PRId64), + PUVAR("ixrss", "IXRSS", 0, p_uru_ixrss, UINT64, PRId64), + PUVAR("maxrss", "MAXRSS", 0, p_uru_maxrss, UINT64, PRIu64), +#endif + +/* Compute offset in common structures. */ +#define POFF(x) offsetof(struct kinfo_proc2, x) +#define LOFF(x) offsetof(struct kinfo_lwp, x) + +#define UIDFMT "u" +#define UID(n1, n2, of) \ + { .name = n1, .header = n2, .flag = 0, .oproc = pvar, \ + .off = POFF(of), .type = UINT32, .fmt = UIDFMT } +#define GID(n1, n2, off) UID(n1, n2, off) + +#define PIDFMT "d" +#define PID(n1, n2, of) \ + { .name = n1, .header = n2, .flag = 0, .oproc = pvar, \ + .off = POFF(of), .type = INT32, .fmt = PIDFMT } + +#define LVAR(n1, n2, fl, of, ty, fm) \ + { .name = n1, .header = n2, .flag = (fl) | LWP, .oproc = pvar, \ + .off = LOFF(of), .type = ty, .fmt = fm } +#define PVAR(n1, n2, fl, of, ty, fm) \ + { .name = n1, .header = n2, .flag = (fl) | 0, .oproc = pvar, \ + .off = POFF(of), .type = ty, .fmt = fm } +#define PUVAR(n1, n2, fl, of, ty, fm) \ + { .name = n1, .header = n2, .flag = (fl) | UAREA, .oproc = pvar, \ + .off = POFF(of), .type = ty, .fmt = fm } +#define VAR3(n1, n2, fl) \ + { .name = n1, .header = n2, .flag = fl } +#define VAR4(n1, n2, fl, op) \ + { .name = n1, .header = n2, .flag = fl, .oproc = op, } +#define VAR6(n1, n2, fl, op, of, ty) \ + { .name = n1, .header = n2, .flag = fl, .oproc = op, \ + .off = of, .type = ty } + +/* NB: table must be sorted, in vi use: + * :/^VAR/,/end_sort/! sort -t\" +1 + * breaking long lines just makes the sort harder + * + * We support all the fields required by P1003.1-2004 (SUSv3), with + * the correct default headers, except for the "tty" field, where the + * standard says the header should be "TT", but we have "TTY". + */ +VAR var[] = { + VAR6("%cpu", "%CPU", 0, pcpu, 0, PCPU), + VAR6("%mem", "%MEM", 0, pmem, POFF(p_vm_rssize), INT32), + PVAR("acflag", "ACFLG", 0, p_acflag, USHORT, "x"), + VAR3("acflg", "acflag", ALIAS), + VAR3("args", "command", ALIAS), + VAR3("blocked", "sigmask", ALIAS), + VAR3("caught", "sigcatch", ALIAS), + VAR4("comm", "COMMAND", COMM|ARGV0|LJUST, command), + VAR4("command", "COMMAND", COMM|LJUST, command), + PVAR("cpu", "CPU", 0, p_estcpu, UINT, "u"), + VAR4("cpuid", "CPUID", LWP, cpuid), + VAR3("cputime", "time", ALIAS), + VAR6("ctime", "CTIME", 0, putimeval, POFF(p_uctime_sec), TIMEVAL), + GID("egid", "EGID", p_gid), + VAR4("egroup", "EGROUP", LJUST, gname), + VAR4("emul", "EMUL", LJUST, emul), + VAR6("etime", "ELAPSED", 0, elapsed, POFF(p_ustart_sec), TIMEVAL), + UID("euid", "EUID", p_uid), + VAR4("euser", "EUSER", LJUST, usrname), + PVAR("f", "F", 0, p_flag, INT, "x"), + VAR3("flags", "f", ALIAS), + GID("gid", "GID", p_gid), + VAR4("group", "GROUP", LJUST, gname), + VAR4("groupnames", "GROUPNAMES", LJUST, groupnames), + VAR4("groups", "GROUPS", LJUST, groups), + /* holdcnt: unused, left for compat. */ + LVAR("holdcnt", "HOLDCNT", 0, l_holdcnt, INT, "d"), + VAR3("ignored", "sigignore", ALIAS), + PUVAR("inblk", "INBLK", 0, p_uru_inblock, UINT64, PRIu64), + VAR3("inblock", "inblk", ALIAS), + PVAR("jobc", "JOBC", 0, p_jobc, SHORT, "d"), + PVAR("ktrace", "KTRACE", 0, p_traceflag, INT, "x"), +/*XXX*/ PVAR("ktracep", "KTRACEP", 0, p_tracep, KPTR, PRIx64), + LVAR("laddr", "LADDR", 0, l_laddr, KPTR, PRIx64), + LVAR("lid", "LID", 0, l_lid, INT32, "d"), + VAR4("lim", "LIM", 0, maxrss), + VAR4("lname", "LNAME", LJUST|LWP, lname), + VAR4("login", "LOGIN", LJUST, logname), + VAR3("logname", "login", ALIAS), + VAR6("lstart", "STARTED", LJUST, lstarted, POFF(p_ustart_sec), UINT32), + VAR4("lstate", "STAT", LJUST|LWP, lstate), + VAR6("ltime", "LTIME", LWP, lcputime, 0, CPUTIME), + PUVAR("majflt", "MAJFLT", 0, p_uru_majflt, UINT64, PRIu64), + PUVAR("minflt", "MINFLT", 0, p_uru_minflt, UINT64, PRIu64), + PUVAR("msgrcv", "MSGRCV", 0, p_uru_msgrcv, UINT64, PRIu64), + PUVAR("msgsnd", "MSGSND", 0, p_uru_msgsnd, UINT64, PRIu64), + VAR3("ni", "nice", ALIAS), + VAR6("nice", "NI", 0, pnice, POFF(p_nice), UCHAR), + PUVAR("nivcsw", "NIVCSW", 0, p_uru_nivcsw, UINT64, PRIu64), + PVAR("nlwp", "NLWP", 0, p_nlwps, UINT64, PRId64), + VAR3("nsignals", "nsigs", ALIAS), + PUVAR("nsigs", "NSIGS", 0, p_uru_nsignals, UINT64, PRIu64), + /* nswap: unused, left for compat. */ + PUVAR("nswap", "NSWAP", 0, p_uru_nswap, UINT64, PRIu64), + PUVAR("nvcsw", "NVCSW", 0, p_uru_nvcsw, UINT64, PRIu64), +/*XXX*/ LVAR("nwchan", "WCHAN", 0, l_wchan, KPTR, PRIx64), + PUVAR("oublk", "OUBLK", 0, p_uru_oublock, UINT64, PRIu64), + VAR3("oublock", "oublk", ALIAS), +/*XXX*/ PVAR("p_ru", "P_RU", 0, p_ru, KPTR, PRIx64), +/*XXX*/ PVAR("paddr", "PADDR", 0, p_paddr, KPTR, PRIx64), + PUVAR("pagein", "PAGEIN", 0, p_uru_majflt, UINT64, PRIu64), + VAR3("pcpu", "%cpu", ALIAS), + VAR3("pending", "sig", ALIAS), + PID("pgid", "PGID", p__pgid), + PID("pid", "PID", p_pid), + VAR3("pmem", "%mem", ALIAS), + PID("ppid", "PPID", p_ppid), + VAR4("pri", "PRI", LWP, pri), + LVAR("re", "RE", INF127, l_swtime, UINT, "u"), + GID("rgid", "RGID", p_rgid), + VAR4("rgroup", "RGROUP", LJUST, rgname), +/*XXX*/ LVAR("rlink", "RLINK", 0, l_back, KPTR, PRIx64), + PVAR("rlwp", "RLWP", 0, p_nrlwps, UINT64, PRId64), + VAR6("rss", "RSS", 0, p_rssize, POFF(p_vm_rssize), INT32), + VAR3("rssize", "rsz", ALIAS), + VAR6("rsz", "RSZ", 0, rssize, POFF(p_vm_rssize), INT32), + UID("ruid", "RUID", p_ruid), + VAR4("ruser", "RUSER", LJUST, runame), + PVAR("sess", "SESS", 0, p_sess, KPTR24, PRIx64), + PID("sid", "SID", p_sid), + PVAR("sig", "PENDING", 0, p_siglist, SIGLIST, "s"), + PVAR("sigcatch", "CAUGHT", 0, p_sigcatch, SIGLIST, "s"), + PVAR("sigignore", "IGNORED", 0, p_sigignore, SIGLIST, "s"), + PVAR("sigmask", "BLOCKED", 0, p_sigmask, SIGLIST, "s"), + LVAR("sl", "SL", INF127, l_slptime, UINT, "u"), + VAR6("start", "STARTED", 0, started, POFF(p_ustart_sec), UINT32), + VAR3("stat", "state", ALIAS), + VAR4("state", "STAT", LJUST, state), + VAR6("stime", "STIME", 0, putimeval, POFF(p_ustime_sec), TIMEVAL), + GID("svgid", "SVGID", p_svgid), + VAR4("svgroup", "SVGROUP", LJUST, svgname), + UID("svuid", "SVUID", p_svuid), + VAR4("svuser", "SVUSER", LJUST, svuname), + /* "tdev" is UINT32, but we do this for sorting purposes */ + VAR6("tdev", "TDEV", 0, tdev, POFF(p_tdev), INT32), + VAR6("time", "TIME", 0, cputime, 0, CPUTIME), + PID("tpgid", "TPGID", p_tpgid), + PVAR("tsess", "TSESS", 0, p_tsess, KPTR, PRIx64), + VAR6("tsiz", "TSIZ", 0, tsize, POFF(p_vm_tsize), INT32), + VAR6("tt", "TTY", LJUST, tname, POFF(p_tdev), INT32), + VAR6("tty", "TTY", LJUST, longtname, POFF(p_tdev), INT32), + LVAR("uaddr", "UADDR", 0, l_addr, KPTR, PRIx64), + VAR4("ucomm", "UCOMM", LJUST, ucomm), + UID("uid", "UID", p_uid), + LVAR("upr", "UPR", 0, l_usrpri, UCHAR, "u"), + VAR4("user", "USER", LJUST, usrname), + VAR3("usrpri", "upr", ALIAS), + VAR6("utime", "UTIME", 0, putimeval, POFF(p_uutime_sec), TIMEVAL), + VAR3("vsize", "vsz", ALIAS), + VAR6("vsz", "VSZ", 0, vsize, 0, VSIZE), + VAR4("wchan", "WCHAN", LJUST|LWP, wchan), + PVAR("xstat", "XSTAT", 0, p_xstat, USHORT, "x"), +/* "zzzz" end_sort */ + { .name = "" }, +}; + +void +showkey(void) +{ + VAR *v; + int i; + const char *p; + const char *sep; + + i = 0; + sep = ""; + for (v = var; *(p = v->name); ++v) { + int len = strlen(p); + if (termwidth && (i += len + 1) > termwidth) { + i = len; + sep = "\n"; + } + (void)printf("%s%s", sep, p); + sep = " "; + } + (void)printf("\n"); +} + +/* + * Parse the string pp, and insert or append entries to the list + * referenced by listptr. If pos in non-null and *pos is non-null, then + * *pos specifies where to insert (instead of appending). If pos is + * non-null, then a new value is returned through *pos referring to the + * last item inserted. + */ +static void +parsevarlist(const char *pp, struct varlist *listptr, struct varent **pos) +{ + char *p, *sp, *equalsp; + + /* dup to avoid zapping arguments. We will free sp later. */ + p = sp = strdup(pp); + + /* + * Everything after the first '=' is part of a custom header. + * Temporarily replace it with '\0' to simplify other code. + */ + equalsp = strchr(p, '='); + if (equalsp) + *equalsp = '\0'; + +#define FMTSEP " \t,\n" + while (p && *p) { + char *cp; + VAR *v; + struct varent *vent; + + /* + * skip separators before the first keyword, and + * look for the separator after the keyword. + */ + for (cp = p; *cp != '\0'; cp++) { + p = strpbrk(cp, FMTSEP); + if (p != cp) + break; + } + if (*cp == '\0') + break; + /* + * Now cp points to the start of a keyword, + * and p is NULL or points past the end of the keyword. + * + * Terminate the keyword with '\0', or reinstate the + * '=' that was removed earlier, if appropriate. + */ + if (p) { + *p = '\0'; + p++; + } else if (equalsp) { + *equalsp = '='; + } + + /* + * If findvar() likes the keyword or keyword=header, + * add it to our list. If findvar() doesn't like it, + * it will print a warning, so we ignore it. + */ + if ((v = findvar(cp)) == NULL) + continue; + if ((vent = malloc(sizeof(struct varent))) == NULL) + err(EXIT_FAILURE, NULL); + vent->var = v; + if (pos && *pos) + SIMPLEQ_INSERT_AFTER(listptr, *pos, vent, next); + else { + SIMPLEQ_INSERT_TAIL(listptr, vent, next); + } + if (pos) + *pos = vent; + } + free(sp); + if (SIMPLEQ_EMPTY(listptr)) + errx(EXIT_FAILURE, "no valid keywords"); +} + +void +parsefmt(const char *p) +{ + + parsevarlist(p, &displaylist, NULL); +} + +void +parsefmt_insert(const char *p, struct varent **pos) +{ + + parsevarlist(p, &displaylist, pos); +} + +void +parsesort(const char *p) +{ + + parsevarlist(p, &sortlist, NULL); +} + +/* Search through a list for an entry with a specified name. */ +struct varent * +varlist_find(struct varlist *list, const char *name) +{ + struct varent *vent; + + SIMPLEQ_FOREACH(vent, list, next) { + if (strcmp(vent->var->name, name) == 0) + break; + } + return vent; +} + +static VAR * +findvar(const char *p) +{ + VAR *v; + char *hp; + + hp = strchr(p, '='); + if (hp) + *hp++ = '\0'; + + v = bsearch(p, var, sizeof(var)/sizeof(VAR) - 1, sizeof(VAR), vcmp); + if (v && v->flag & ALIAS) + v = findvar(v->header); + if (!v) { + warnx("%s: keyword not found", p); + eval = 1; + return NULL; + } + + if (v && hp) { + /* + * Override the header. + * + * We need to copy the entry first, and override the + * header in the copy, because the same field might be + * used multiple times with different headers. We also + * need to strdup the header. + */ + struct var *newvar; + char *newheader; + + if ((newvar = malloc(sizeof(struct var))) == NULL) + err(EXIT_FAILURE, NULL); + if ((newheader = strdup(hp)) == NULL) + err(EXIT_FAILURE, NULL); + memcpy(newvar, v, sizeof(struct var)); + newvar->header = newheader; + + /* + * According to P1003.1-2004, if the header text is null, + * such as -o user=, the field width will be at least as + * wide as the default header text. + */ + if (*hp == '\0') + newvar->width = strlen(v->header); + + v = newvar; + } + return v; +} + +static int +vcmp(const void *a, const void *b) +{ + return strcmp(a, ((const VAR *)b)->name); +} |