mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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b9ca89bfc4
I was considering committing all these patches one by one, but as discussed with brooks@, there is no need to do this. If we ever need/want to merge these changes back, it is still possible to do this per application.
375 lines
9.6 KiB
C
375 lines
9.6 KiB
C
/*
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* Copyright (c) 1994 Christopher G. Demetriou
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/acct.h>
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#include <err.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <string.h>
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#include "extern.h"
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#include "pathnames.h"
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static int check_junk(const struct cmdinfo *);
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static void add_ci(const struct cmdinfo *, struct cmdinfo *);
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static void print_ci(const struct cmdinfo *, const struct cmdinfo *);
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static DB *pacct_db;
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/* Legacy format in AHZV1 units. */
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struct cmdinfov1 {
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char ci_comm[MAXCOMLEN+2]; /* command name (+ '*') */
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uid_t ci_uid; /* user id */
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u_quad_t ci_calls; /* number of calls */
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u_quad_t ci_etime; /* elapsed time */
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u_quad_t ci_utime; /* user time */
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u_quad_t ci_stime; /* system time */
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u_quad_t ci_mem; /* memory use */
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u_quad_t ci_io; /* number of disk i/o ops */
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u_int ci_flags; /* flags; see below */
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};
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/*
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* Convert a v1 data record into the current version.
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* Return 0 if OK, -1 on error, setting errno.
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*/
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static int
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v1_to_v2(DBT *key __unused, DBT *data)
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{
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struct cmdinfov1 civ1;
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static struct cmdinfo civ2;
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if (data->size != sizeof(civ1)) {
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errno = EFTYPE;
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return (-1);
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}
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memcpy(&civ1, data->data, data->size);
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memset(&civ2, 0, sizeof(civ2));
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memcpy(civ2.ci_comm, civ1.ci_comm, sizeof(civ2.ci_comm));
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civ2.ci_uid = civ1.ci_uid;
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civ2.ci_calls = civ1.ci_calls;
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civ2.ci_etime = ((double)civ1.ci_etime / AHZV1) * 1000000;
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civ2.ci_utime = ((double)civ1.ci_utime / AHZV1) * 1000000;
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civ2.ci_stime = ((double)civ1.ci_stime / AHZV1) * 1000000;
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civ2.ci_mem = civ1.ci_mem;
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civ2.ci_io = civ1.ci_io;
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civ2.ci_flags = civ1.ci_flags;
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data->size = sizeof(civ2);
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data->data = &civ2;
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return (0);
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}
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/* Copy pdb_file to in-memory pacct_db. */
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int
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pacct_init(void)
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{
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return (db_copy_in(&pacct_db, pdb_file, "process accounting",
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NULL, v1_to_v2));
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}
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void
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pacct_destroy(void)
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{
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db_destroy(pacct_db, "process accounting");
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}
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int
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pacct_add(const struct cmdinfo *ci)
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{
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DBT key, data;
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struct cmdinfo newci;
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char keydata[sizeof ci->ci_comm];
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int rv;
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bcopy(ci->ci_comm, &keydata, sizeof keydata);
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key.data = &keydata;
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key.size = strlen(keydata);
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rv = DB_GET(pacct_db, &key, &data, 0);
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if (rv < 0) {
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warn("get key %s from process accounting stats", ci->ci_comm);
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return (-1);
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} else if (rv == 0) { /* it's there; copy whole thing */
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/* XXX compare size if paranoid */
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/* add the old data to the new data */
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bcopy(data.data, &newci, data.size);
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} else { /* it's not there; zero it and copy the key */
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bzero(&newci, sizeof newci);
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bcopy(key.data, newci.ci_comm, key.size);
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}
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add_ci(ci, &newci);
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data.data = &newci;
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data.size = sizeof newci;
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rv = DB_PUT(pacct_db, &key, &data, 0);
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if (rv < 0) {
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warn("add key %s to process accounting stats", ci->ci_comm);
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return (-1);
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} else if (rv == 1) {
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warnx("duplicate key %s in process accounting stats",
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ci->ci_comm);
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return (-1);
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}
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return (0);
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}
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/* Copy in-memory pacct_db to pdb_file. */
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int
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pacct_update(void)
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{
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return (db_copy_out(pacct_db, pdb_file, "process accounting",
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NULL));
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}
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void
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pacct_print(void)
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{
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BTREEINFO bti;
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DBT key, data, ndata;
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DB *output_pacct_db;
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struct cmdinfo *cip, ci, ci_total, ci_other, ci_junk;
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int rv;
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bzero(&ci_total, sizeof ci_total);
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strcpy(ci_total.ci_comm, "");
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bzero(&ci_other, sizeof ci_other);
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strcpy(ci_other.ci_comm, "***other");
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bzero(&ci_junk, sizeof ci_junk);
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strcpy(ci_junk.ci_comm, "**junk**");
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/*
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* Retrieve them into new DB, sorted by appropriate key.
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* At the same time, cull 'other' and 'junk'
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*/
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bzero(&bti, sizeof bti);
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bti.compare = sa_cmp;
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output_pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti);
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if (output_pacct_db == NULL) {
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warn("couldn't sort process accounting stats");
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return;
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}
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ndata.data = NULL;
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ndata.size = 0;
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rv = DB_SEQ(pacct_db, &key, &data, R_FIRST);
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if (rv < 0)
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warn("retrieving process accounting stats");
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while (rv == 0) {
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cip = (struct cmdinfo *) data.data;
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bcopy(cip, &ci, sizeof ci);
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/* add to total */
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add_ci(&ci, &ci_total);
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if (vflag && ci.ci_calls <= cutoff &&
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(fflag || check_junk(&ci))) {
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/* put it into **junk** */
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add_ci(&ci, &ci_junk);
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goto next;
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}
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if (!aflag &&
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((ci.ci_flags & CI_UNPRINTABLE) != 0 || ci.ci_calls <= 1)) {
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/* put into ***other */
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add_ci(&ci, &ci_other);
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goto next;
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}
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rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
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if (rv < 0)
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warn("sorting process accounting stats");
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next: rv = DB_SEQ(pacct_db, &key, &data, R_NEXT);
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if (rv < 0)
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warn("retrieving process accounting stats");
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}
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/* insert **junk** and ***other */
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if (ci_junk.ci_calls != 0) {
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data.data = &ci_junk;
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data.size = sizeof ci_junk;
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rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
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if (rv < 0)
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warn("sorting process accounting stats");
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}
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if (ci_other.ci_calls != 0) {
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data.data = &ci_other;
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data.size = sizeof ci_other;
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rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
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if (rv < 0)
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warn("sorting process accounting stats");
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}
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/* print out the total */
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print_ci(&ci_total, &ci_total);
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/* print out; if reversed, print first (smallest) first */
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rv = DB_SEQ(output_pacct_db, &data, &ndata, rflag ? R_FIRST : R_LAST);
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if (rv < 0)
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warn("retrieving process accounting report");
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while (rv == 0) {
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cip = (struct cmdinfo *) data.data;
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bcopy(cip, &ci, sizeof ci);
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print_ci(&ci, &ci_total);
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rv = DB_SEQ(output_pacct_db, &data, &ndata,
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rflag ? R_NEXT : R_PREV);
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if (rv < 0)
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warn("retrieving process accounting report");
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}
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DB_CLOSE(output_pacct_db);
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}
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static int
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check_junk(const struct cmdinfo *cip)
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{
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char *cp;
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size_t len;
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fprintf(stderr, "%s (%ju) -- ", cip->ci_comm, (uintmax_t)cip->ci_calls);
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cp = fgetln(stdin, &len);
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return (cp && (cp[0] == 'y' || cp[0] == 'Y')) ? 1 : 0;
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}
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static void
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add_ci(const struct cmdinfo *fromcip, struct cmdinfo *tocip)
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{
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tocip->ci_calls += fromcip->ci_calls;
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tocip->ci_etime += fromcip->ci_etime;
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tocip->ci_utime += fromcip->ci_utime;
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tocip->ci_stime += fromcip->ci_stime;
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tocip->ci_mem += fromcip->ci_mem;
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tocip->ci_io += fromcip->ci_io;
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}
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static void
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print_ci(const struct cmdinfo *cip, const struct cmdinfo *totalcip)
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{
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double t, c;
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int uflow;
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c = cip->ci_calls ? cip->ci_calls : 1;
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t = (cip->ci_utime + cip->ci_stime) / 1000000;
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if (t < 0.01) {
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t = 0.01;
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uflow = 1;
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} else
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uflow = 0;
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printf("%8ju ", (uintmax_t)cip->ci_calls);
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.1f%% ", cip->ci_calls /
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(double)totalcip->ci_calls * 100);
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else
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printf(" %4s ", "");
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}
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if (jflag)
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printf("%11.3fre ", cip->ci_etime / (1000000 * c));
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else
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printf("%11.3fre ", cip->ci_etime / (60.0 * 1000000));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.1f%% ", cip->ci_etime /
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totalcip->ci_etime * 100);
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else
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printf(" %4s ", "");
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}
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if (!lflag) {
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if (jflag)
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printf("%11.3fcp ", t / (double) cip->ci_calls);
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else
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printf("%11.2fcp ", t / 60.0);
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.1f%% ",
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(cip->ci_utime + cip->ci_stime) /
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(totalcip->ci_utime + totalcip->ci_stime) *
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100);
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else
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printf(" %4s ", "");
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}
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} else {
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if (jflag)
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printf("%11.3fu ", cip->ci_utime / (1000000 * c));
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else
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printf("%11.2fu ", cip->ci_utime / (60.0 * 1000000));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.1f%% ", cip->ci_utime /
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(double)totalcip->ci_utime * 100);
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else
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printf(" %4s ", "");
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}
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if (jflag)
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printf("%11.3fs ", cip->ci_stime / (1000000 * c));
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else
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printf("%11.2fs ", cip->ci_stime / (60.0 * 1000000));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.1f%% ", cip->ci_stime /
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(double)totalcip->ci_stime * 100);
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else
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printf(" %4s ", "");
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}
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}
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if (tflag) {
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if (!uflow)
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printf("%8.2fre/cp ",
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cip->ci_etime /
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(cip->ci_utime + cip->ci_stime));
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else
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printf("*ignore* ");
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}
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if (Dflag)
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printf("%10.0fio ", cip->ci_io);
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else
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printf("%8.0favio ", cip->ci_io / c);
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if (Kflag)
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printf("%10.0fk*sec ", cip->ci_mem);
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else
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printf("%8.0fk ", cip->ci_mem / t);
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printf(" %s\n", cip->ci_comm);
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}
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