1de7b4b805
Mainly focus on files that use BSD 2-Clause license, however the tool I was using misidentified many licenses so this was mostly a manual - error prone - task. The Software Package Data Exchange (SPDX) group provides a specification to make it easier for automated tools to detect and summarize well known opensource licenses. We are gradually adopting the specification, noting that the tags are considered only advisory and do not, in any way, superceed or replace the license texts. No functional change intended.
377 lines
9.7 KiB
C
377 lines
9.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-4-Clause
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*
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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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