diff options
Diffstat (limited to 'usr.sbin/sa/main.c')
| -rw-r--r-- | usr.sbin/sa/main.c | 533 |
1 files changed, 0 insertions, 533 deletions
diff --git a/usr.sbin/sa/main.c b/usr.sbin/sa/main.c deleted file mode 100644 index 64736ac..0000000 --- a/usr.sbin/sa/main.c +++ /dev/null @@ -1,533 +0,0 @@ -/* - * Copyright (c) 1994 Christopher G. Demetriou - * 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 Christopher G. Demetriou. - * 4. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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. - */ - -#if 0 -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1994 Christopher G. Demetriou\n\ - All rights reserved.\n"; -#endif -#endif -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -/* - * sa: system accounting - */ - -#include <sys/types.h> -#include <sys/acct.h> -#include <ctype.h> -#include <err.h> -#include <errno.h> -#include <fcntl.h> -#include <signal.h> -#include <stdint.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include "extern.h" -#include "pathnames.h" - -static FILE *acct_load(const char *, int); -static int cmp_comm(const char *, const char *); -static int cmp_usrsys(const DBT *, const DBT *); -static int cmp_avgusrsys(const DBT *, const DBT *); -static int cmp_dkio(const DBT *, const DBT *); -static int cmp_avgdkio(const DBT *, const DBT *); -static int cmp_cpumem(const DBT *, const DBT *); -static int cmp_avgcpumem(const DBT *, const DBT *); -static int cmp_calls(const DBT *, const DBT *); -static void usage(void); - -int aflag, bflag, cflag, dflag, Dflag, fflag, iflag, jflag, kflag; -int Kflag, lflag, mflag, qflag, rflag, sflag, tflag, uflag, vflag; -u_quad_t cutoff = 1; -const char *pdb_file = _PATH_SAVACCT; -const char *usrdb_file = _PATH_USRACCT; - -static char *dfltargv[] = { NULL }; -static int dfltargc = (sizeof dfltargv/sizeof(char *)); - -/* default to comparing by sum of user + system time */ -cmpf_t sa_cmp = cmp_usrsys; - -int -main(int argc, char **argv) -{ - FILE *f; - char pathacct[] = _PATH_ACCT; - int ch, error = 0; - - dfltargv[0] = pathacct; - - while ((ch = getopt(argc, argv, "abcdDfijkKlmnP:qrstuU:v:")) != -1) - switch (ch) { - case 'a': - /* print all commands */ - aflag = 1; - break; - case 'b': - /* sort by per-call user/system time average */ - bflag = 1; - sa_cmp = cmp_avgusrsys; - break; - case 'c': - /* print percentage total time */ - cflag = 1; - break; - case 'd': - /* sort by averge number of disk I/O ops */ - dflag = 1; - sa_cmp = cmp_avgdkio; - break; - case 'D': - /* print and sort by total disk I/O ops */ - Dflag = 1; - sa_cmp = cmp_dkio; - break; - case 'f': - /* force no interactive threshold comprison */ - fflag = 1; - break; - case 'i': - /* do not read in summary file */ - iflag = 1; - break; - case 'j': - /* instead of total minutes, give sec/call */ - jflag = 1; - break; - case 'k': - /* sort by cpu-time average memory usage */ - kflag = 1; - sa_cmp = cmp_avgcpumem; - break; - case 'K': - /* print and sort by cpu-storage integral */ - sa_cmp = cmp_cpumem; - Kflag = 1; - break; - case 'l': - /* separate system and user time */ - lflag = 1; - break; - case 'm': - /* print procs and time per-user */ - mflag = 1; - break; - case 'n': - /* sort by number of calls */ - sa_cmp = cmp_calls; - break; - case 'P': - /* specify program database summary file */ - pdb_file = optarg; - break; - case 'q': - /* quiet; error messages only */ - qflag = 1; - break; - case 'r': - /* reverse order of sort */ - rflag = 1; - break; - case 's': - /* merge accounting file into summaries */ - sflag = 1; - break; - case 't': - /* report ratio of user and system times */ - tflag = 1; - break; - case 'u': - /* first, print uid and command name */ - uflag = 1; - break; - case 'U': - /* specify user database summary file */ - usrdb_file = optarg; - break; - case 'v': - /* cull junk */ - vflag = 1; - cutoff = atoi(optarg); - break; - case '?': - default: - usage(); - } - - argc -= optind; - argv += optind; - - /* various argument checking */ - if (fflag && !vflag) - errx(1, "only one of -f requires -v"); - if (fflag && aflag) - errx(1, "only one of -a and -v may be specified"); - /* XXX need more argument checking */ - - if (!uflag) { - /* initialize tables */ - if ((sflag || (!mflag && !qflag)) && pacct_init() != 0) - errx(1, "process accounting initialization failed"); - if ((sflag || (mflag && !qflag)) && usracct_init() != 0) - errx(1, "user accounting initialization failed"); - } - - if (argc == 0) { - argc = dfltargc; - argv = dfltargv; - } - - /* for each file specified */ - for (; argc > 0; argc--, argv++) { - /* - * load the accounting data from the file. - * if it fails, go on to the next file. - */ - f = acct_load(argv[0], sflag); - if (f == NULL) - continue; - - if (!uflag && sflag) { -#ifndef DEBUG - sigset_t nmask, omask; - int unmask = 1; - - /* - * block most signals so we aren't interrupted during - * the update. - */ - if (sigfillset(&nmask) == -1) { - warn("sigfillset"); - unmask = 0; - error = 1; - } - if (unmask && - (sigprocmask(SIG_BLOCK, &nmask, &omask) == -1)) { - warn("couldn't set signal mask"); - unmask = 0; - error = 1; - } -#endif /* DEBUG */ - - /* - * truncate the accounting data file ASAP, to avoid - * losing data. don't worry about errors in updating - * the saved stats; better to underbill than overbill, - * but we want every accounting record intact. - */ - if (ftruncate(fileno(f), 0) == -1) { - warn("couldn't truncate %s", *argv); - error = 1; - } - - /* - * update saved user and process accounting data. - * note errors for later. - */ - if (pacct_update() != 0 || usracct_update() != 0) - error = 1; - -#ifndef DEBUG - /* - * restore signals - */ - if (unmask && - (sigprocmask(SIG_SETMASK, &omask, NULL) == -1)) { - warn("couldn't restore signal mask"); - error = 1; - } -#endif /* DEBUG */ - } - - /* - * close the opened accounting file - */ - if (fclose(f) == EOF) { - warn("fclose %s", *argv); - error = 1; - } - } - - if (!uflag && !qflag) { - /* print any results we may have obtained. */ - if (!mflag) - pacct_print(); - else - usracct_print(); - } - - if (!uflag) { - /* finally, deallocate databases */ - if (sflag || (!mflag && !qflag)) - pacct_destroy(); - if (sflag || (mflag && !qflag)) - usracct_destroy(); - } - - exit(error); -} - -static void -usage(void) -{ - (void)fprintf(stderr, - "usage: sa [-abcdDfijkKlmnqrstu] [-P file] [-U file] [-v cutoff] [file ...]\n"); - exit(1); -} - -static FILE * -acct_load(const char *pn, int wr) -{ - struct acctv2 ac; - struct cmdinfo ci; - ssize_t rv; - FILE *f; - int i; - - /* - * open the file - */ - f = fopen(pn, wr ? "r+" : "r"); - if (f == NULL) { - warn("open %s %s", pn, wr ? "for read/write" : "read-only"); - return (NULL); - } - - /* - * read all we can; don't stat and open because more processes - * could exit, and we'd miss them - */ - while (1) { - /* get one accounting entry and punt if there's an error */ - rv = readrec_forward(f, &ac); - if (rv != 1) { - if (rv == EOF) - warn("error reading %s", pn); - break; - } - - /* decode it */ - ci.ci_calls = 1; - for (i = 0; i < (int)sizeof ac.ac_comm && ac.ac_comm[i] != '\0'; - i++) { - char c = ac.ac_comm[i]; - - if (!isascii(c) || iscntrl(c)) { - ci.ci_comm[i] = '?'; - ci.ci_flags |= CI_UNPRINTABLE; - } else - ci.ci_comm[i] = c; - } - if (ac.ac_flagx & AFORK) - ci.ci_comm[i++] = '*'; - ci.ci_comm[i++] = '\0'; - ci.ci_etime = ac.ac_etime; - ci.ci_utime = ac.ac_utime; - ci.ci_stime = ac.ac_stime; - ci.ci_uid = ac.ac_uid; - ci.ci_mem = ac.ac_mem; - ci.ci_io = ac.ac_io; - - if (!uflag) { - /* and enter it into the usracct and pacct databases */ - if (sflag || (!mflag && !qflag)) - pacct_add(&ci); - if (sflag || (mflag && !qflag)) - usracct_add(&ci); - } else if (!qflag) - printf("%6u %12.3lf cpu %12.0lfk mem %12.0lf io %s\n", - ci.ci_uid, - (ci.ci_utime + ci.ci_stime) / 1000000, - ci.ci_mem, ci.ci_io, - ci.ci_comm); - } - - /* Finally, return the file stream for possible truncation. */ - return (f); -} - -/* sort commands, doing the right thing in terms of reversals */ -static int -cmp_comm(const char *s1, const char *s2) -{ - int rv; - - rv = strcmp(s1, s2); - if (rv == 0) - rv = -1; - return (rflag ? rv : -rv); -} - -/* sort by total user and system time */ -static int -cmp_usrsys(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - double t1, t2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - t1 = c1.ci_utime + c1.ci_stime; - t2 = c2.ci_utime + c2.ci_stime; - - if (t1 < t2) - return -1; - else if (t1 == t2) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by average user and system time */ -static int -cmp_avgusrsys(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - double t1, t2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - t1 = c1.ci_utime + c1.ci_stime; - t1 /= (double) (c1.ci_calls ? c1.ci_calls : 1); - - t2 = c2.ci_utime + c2.ci_stime; - t2 /= (double) (c2.ci_calls ? c2.ci_calls : 1); - - if (t1 < t2) - return -1; - else if (t1 == t2) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by total number of disk I/O operations */ -static int -cmp_dkio(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - if (c1.ci_io < c2.ci_io) - return -1; - else if (c1.ci_io == c2.ci_io) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by average number of disk I/O operations */ -static int -cmp_avgdkio(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - double n1, n2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - n1 = c1.ci_io / (double) (c1.ci_calls ? c1.ci_calls : 1); - n2 = c2.ci_io / (double) (c2.ci_calls ? c2.ci_calls : 1); - - if (n1 < n2) - return -1; - else if (n1 == n2) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by the cpu-storage integral */ -static int -cmp_cpumem(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - if (c1.ci_mem < c2.ci_mem) - return -1; - else if (c1.ci_mem == c2.ci_mem) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by the cpu-time average memory usage */ -static int -cmp_avgcpumem(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - double t1, t2; - double n1, n2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - t1 = c1.ci_utime + c1.ci_stime; - t2 = c2.ci_utime + c2.ci_stime; - - n1 = c1.ci_mem / (t1 ? t1 : 1); - n2 = c2.ci_mem / (t2 ? t2 : 1); - - if (n1 < n2) - return -1; - else if (n1 == n2) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} - -/* sort by the number of invocations */ -static int -cmp_calls(const DBT *d1, const DBT *d2) -{ - struct cmdinfo c1, c2; - - memcpy(&c1, d1->data, sizeof(c1)); - memcpy(&c2, d2->data, sizeof(c2)); - - if (c1.ci_calls < c2.ci_calls) - return -1; - else if (c1.ci_calls == c2.ci_calls) - return (cmp_comm(c1.ci_comm, c2.ci_comm)); - else - return 1; -} |
