439 lines
11 KiB
C
439 lines
11 KiB
C
/* $NetBSD: pdb.c,v 1.12 2003/11/12 13:31:08 grant Exp $ */
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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 for the
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* NetBSD Project. See http://www.NetBSD.org/ for
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* information about NetBSD.
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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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* <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__RCSID("$NetBSD: pdb.c,v 1.12 2003/11/12 13:31:08 grant Exp $");
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#endif
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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 <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 __P((struct cmdinfo *));
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static void add_ci __P((const struct cmdinfo *, struct cmdinfo *));
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static void print_ci __P((const struct cmdinfo *, const struct cmdinfo *));
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static DB *pacct_db;
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int
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pacct_init()
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{
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DB *saved_pacct_db;
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int error;
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int ndups = 0;
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pacct_db = dbopen(NULL, O_RDWR|O_CREAT|O_TRUNC, 0644, DB_BTREE, NULL);
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if (pacct_db == NULL)
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return (-1);
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error = 0;
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if (!iflag) {
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DBT key, data;
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int serr, nerr;
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saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDONLY, 0, DB_BTREE,
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NULL);
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if (saved_pacct_db == NULL) {
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error = errno == ENOENT ? 0 : -1;
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if (error)
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warn("retrieving process accounting summary");
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goto out;
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}
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serr = DB_SEQ(saved_pacct_db, &key, &data, R_FIRST);
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if (serr < 0) {
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warn("retrieving process accounting summary");
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error = -1;
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goto closeout;
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}
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while (serr == 0) {
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nerr = DB_PUT(pacct_db, &key, &data, R_NOOVERWRITE);
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if (nerr < 0) {
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warn("initializing process accounting stats");
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error = -1;
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break;
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}
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if (nerr == 1) {
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warnx("duplicate key in `%s': %s",
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_PATH_SAVACCT, fmt(&key));
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if (ndups++ == 5) {
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warnx("too many duplicate keys;"
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" `%s' possibly corrupted.",
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_PATH_SAVACCT);
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error = -1;
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break;
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}
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}
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serr = DB_SEQ(saved_pacct_db, &key, &data, R_NEXT);
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if (serr < 0) {
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warn("retrieving process accounting summary");
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error = -1;
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break;
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}
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}
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closeout: if (DB_CLOSE(saved_pacct_db) < 0) {
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warn("closing process accounting summary");
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error = -1;
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}
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}
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out: if (error != 0)
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pacct_destroy();
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return (error);
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}
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void
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pacct_destroy()
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{
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if (DB_CLOSE(pacct_db) < 0)
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warn("destroying process accounting stats");
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}
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int
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pacct_add(ci)
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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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memcpy(&keydata, ci->ci_comm, 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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memcpy(&newci, data.data, data.size);
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} else { /* it's not there; zero it and copy the key */
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memset(&newci, 0, sizeof(newci));
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memcpy(newci.ci_comm, key.data, 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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int
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pacct_update()
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{
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DB *saved_pacct_db;
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DBT key, data;
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int error, serr, nerr;
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saved_pacct_db = dbopen(_PATH_SAVACCT, O_RDWR|O_CREAT|O_TRUNC, 0644,
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DB_BTREE, NULL);
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if (saved_pacct_db == NULL) {
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warn("creating process accounting summary");
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return (-1);
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}
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error = 0;
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serr = DB_SEQ(pacct_db, &key, &data, R_FIRST);
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if (serr < 0) {
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warn("retrieving process accounting stats");
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error = -1;
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}
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while (serr == 0) {
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nerr = DB_PUT(saved_pacct_db, &key, &data, 0);
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if (nerr < 0) {
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warn("saving process accounting summary");
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error = -1;
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break;
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}
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serr = DB_SEQ(pacct_db, &key, &data, R_NEXT);
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if (serr < 0) {
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warn("retrieving process accounting stats");
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error = -1;
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break;
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}
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}
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if (DB_SYNC(saved_pacct_db, 0) < 0) {
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warn("syncing process accounting summary");
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error = -1;
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}
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if (DB_CLOSE(saved_pacct_db) < 0) {
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warn("closing process accounting summary");
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error = -1;
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}
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return error;
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}
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void
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pacct_print()
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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 ci, ci_total, ci_other, ci_junk;
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int rv;
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memset(&ci_total, 0, sizeof(ci_total));
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strcpy(ci_total.ci_comm, "");
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memset(&ci_other, 0, sizeof(ci_other));
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strcpy(ci_other.ci_comm, "***other");
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memset(&ci_junk, 0, 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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memset(&bti, 0, 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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memcpy(&ci, data.data, 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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memcpy(&ci, data.data, 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(cip)
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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 (%llu) -- ", cip->ci_comm,
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(unsigned long long)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(fromcip, tocip)
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const struct cmdinfo *fromcip;
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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(cip, totalcip)
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const struct cmdinfo *cip, *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) / (double) AHZ;
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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("%8llu ", (unsigned long long)cip->ci_calls);
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.2f%% ",
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cip->ci_calls / (double) totalcip->ci_calls);
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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("%11.2fre ", cip->ci_etime / (double) (AHZ * c));
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else
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printf("%11.2fre ", cip->ci_etime / (60.0 * AHZ));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.2f%% ",
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cip->ci_etime / (double) totalcip->ci_etime);
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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("%11.2fcp ", 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(" %4.2f%% ",
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(cip->ci_utime + cip->ci_stime) / (double)
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(totalcip->ci_utime + totalcip->ci_stime));
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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("%11.2fu ", cip->ci_utime / (double) (AHZ * c));
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else
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printf("%11.2fu ", cip->ci_utime / (60.0 * AHZ));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.2f%% ", cip->ci_utime / (double) totalcip->ci_utime);
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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("%11.2fs ", cip->ci_stime / (double) (AHZ * c));
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else
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printf("%11.2fs ", cip->ci_stime / (60.0 * AHZ));
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if (cflag) {
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if (cip != totalcip)
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printf(" %4.2f%% ", cip->ci_stime / (double) totalcip->ci_stime);
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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 ", cip->ci_etime / (double) (cip->ci_utime + cip->ci_stime));
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else
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printf("%8s ", "*ignore*");
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}
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if (Dflag)
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printf("%10llutio ", (unsigned long long)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("%10lluk*sec ", (unsigned long long)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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