/*-
* SPDX-License-Identifier: BSD-4-Clause
*
* 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.
*/
#include <sys/cdefs.h>
#include <sys/types.h>
#include <sys/acct.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "extern.h"
#include "pathnames.h"
static int check_junk(const struct cmdinfo *);
static void add_ci(const struct cmdinfo *, struct cmdinfo *);
static void print_ci(const struct cmdinfo *, const struct cmdinfo *);
static DB *pacct_db;
/* Legacy format in AHZV1 units. */
struct cmdinfov1 {
char ci_comm[MAXCOMLEN+2]; /* command name (+ '*') */
uid_t ci_uid; /* user id */
u_quad_t ci_calls; /* number of calls */
u_quad_t ci_etime; /* elapsed time */
u_quad_t ci_utime; /* user time */
u_quad_t ci_stime; /* system time */
u_quad_t ci_mem; /* memory use */
u_quad_t ci_io; /* number of disk i/o ops */
u_int ci_flags; /* flags; see below */
};
/*
* Convert a v1 data record into the current version.
* Return 0 if OK, -1 on error, setting errno.
*/
static int
v1_to_v2(DBT *key __unused, DBT *data)
{
struct cmdinfov1 civ1;
static struct cmdinfo civ2;
if (data->size != sizeof(civ1)) {
errno = EFTYPE;
return (-1);
}
memcpy(&civ1, data->data, data->size);
memset(&civ2, 0, sizeof(civ2));
memcpy(civ2.ci_comm, civ1.ci_comm, sizeof(civ2.ci_comm));
civ2.ci_uid = civ1.ci_uid;
civ2.ci_calls = civ1.ci_calls;
civ2.ci_etime = ((double)civ1.ci_etime / AHZV1) * 1000000;
civ2.ci_utime = ((double)civ1.ci_utime / AHZV1) * 1000000;
civ2.ci_stime = ((double)civ1.ci_stime / AHZV1) * 1000000;
civ2.ci_mem = civ1.ci_mem;
civ2.ci_io = civ1.ci_io;
civ2.ci_flags = civ1.ci_flags;
data->size = sizeof(civ2);
data->data = &civ2;
return (0);
}
/* Copy pdb_file to in-memory pacct_db. */
int
pacct_init(void)
{
return (db_copy_in(&pacct_db, pdb_file, "process accounting",
NULL, v1_to_v2));
}
void
pacct_destroy(void)
{
db_destroy(pacct_db, "process accounting");
}
int
pacct_add(const struct cmdinfo *ci)
{
DBT key, data;
struct cmdinfo newci;
char keydata[sizeof ci->ci_comm];
int rv;
bcopy(ci->ci_comm, &keydata, sizeof keydata);
key.data = &keydata;
key.size = strlen(keydata);
rv = DB_GET(pacct_db, &key, &data, 0);
if (rv < 0) {
warn("get key %s from process accounting stats", ci->ci_comm);
return (-1);
} else if (rv == 0) { /* it's there; copy whole thing */
/* XXX compare size if paranoid */
/* add the old data to the new data */
bcopy(data.data, &newci, data.size);
} else { /* it's not there; zero it and copy the key */
bzero(&newci, sizeof newci);
bcopy(key.data, newci.ci_comm, key.size);
}
add_ci(ci, &newci);
data.data = &newci;
data.size = sizeof newci;
rv = DB_PUT(pacct_db, &key, &data, 0);
if (rv < 0) {
warn("add key %s to process accounting stats", ci->ci_comm);
return (-1);
} else if (rv == 1) {
warnx("duplicate key %s in process accounting stats",
ci->ci_comm);
return (-1);
}
return (0);
}
/* Copy in-memory pacct_db to pdb_file. */
int
pacct_update(void)
{
return (db_copy_out(pacct_db, pdb_file, "process accounting",
NULL));
}
void
pacct_print(void)
{
BTREEINFO bti;
DBT key, data, ndata;
DB *output_pacct_db;
struct cmdinfo *cip, ci, ci_total, ci_other, ci_junk;
int rv;
bzero(&ci_total, sizeof ci_total);
strcpy(ci_total.ci_comm, "");
bzero(&ci_other, sizeof ci_other);
strcpy(ci_other.ci_comm, "***other");
bzero(&ci_junk, sizeof ci_junk);
strcpy(ci_junk.ci_comm, "**junk**");
/*
* Retrieve them into new DB, sorted by appropriate key.
* At the same time, cull 'other' and 'junk'
*/
bzero(&bti, sizeof bti);
bti.compare = sa_cmp;
output_pacct_db = dbopen(NULL, O_RDWR, 0, DB_BTREE, &bti);
if (output_pacct_db == NULL) {
warn("couldn't sort process accounting stats");
return;
}
ndata.data = NULL;
ndata.size = 0;
rv = DB_SEQ(pacct_db, &key, &data, R_FIRST);
if (rv < 0)
warn("retrieving process accounting stats");
while (rv == 0) {
cip = (struct cmdinfo *) data.data;
bcopy(cip, &ci, sizeof ci);
/* add to total */
add_ci(&ci, &ci_total);
if (vflag && ci.ci_calls <= cutoff &&
(fflag || check_junk(&ci))) {
/* put it into **junk** */
add_ci(&ci, &ci_junk);
goto next;
}
if (!aflag &&
((ci.ci_flags & CI_UNPRINTABLE) != 0 || ci.ci_calls <= 1)) {
/* put into ***other */
add_ci(&ci, &ci_other);
goto next;
}
rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
if (rv < 0)
warn("sorting process accounting stats");
next: rv = DB_SEQ(pacct_db, &key, &data, R_NEXT);
if (rv < 0)
warn("retrieving process accounting stats");
}
/* insert **junk** and ***other */
if (ci_junk.ci_calls != 0) {
data.data = &ci_junk;
data.size = sizeof ci_junk;
rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
if (rv < 0)
warn("sorting process accounting stats");
}
if (ci_other.ci_calls != 0) {
data.data = &ci_other;
data.size = sizeof ci_other;
rv = DB_PUT(output_pacct_db, &data, &ndata, 0);
if (rv < 0)
warn("sorting process accounting stats");
}
/* print out the total */
print_ci(&ci_total, &ci_total);
/* print out; if reversed, print first (smallest) first */
rv = DB_SEQ(output_pacct_db, &data, &ndata, rflag ? R_FIRST : R_LAST);
if (rv < 0)
warn("retrieving process accounting report");
while (rv == 0) {
cip = (struct cmdinfo *) data.data;
bcopy(cip, &ci, sizeof ci);
print_ci(&ci, &ci_total);
rv = DB_SEQ(output_pacct_db, &data, &ndata,
rflag ? R_NEXT : R_PREV);
if (rv < 0)
warn("retrieving process accounting report");
}
DB_CLOSE(output_pacct_db);
}
static int
check_junk(const struct cmdinfo *cip)
{
char *cp;
size_t len;
fprintf(stderr, "%s (%ju) -- ", cip->ci_comm, (uintmax_t)cip->ci_calls);
cp = fgetln(stdin, &len);
return (cp && (cp[0] == 'y' || cp[0] == 'Y')) ? 1 : 0;
}
static void
add_ci(const struct cmdinfo *fromcip, struct cmdinfo *tocip)
{
tocip->ci_calls += fromcip->ci_calls;
tocip->ci_etime += fromcip->ci_etime;
tocip->ci_utime += fromcip->ci_utime;
tocip->ci_stime += fromcip->ci_stime;
tocip->ci_mem += fromcip->ci_mem;
tocip->ci_io += fromcip->ci_io;
}
static void
print_ci(const struct cmdinfo *cip, const struct cmdinfo *totalcip)
{
double t, c;
int uflow;
c = cip->ci_calls ? cip->ci_calls : 1;
t = (cip->ci_utime + cip->ci_stime) / 1000000;
if (t < 0.01) {
t = 0.01;
uflow = 1;
} else
uflow = 0;
printf("%8ju ", (uintmax_t)cip->ci_calls);
if (cflag) {
if (cip != totalcip)
printf(" %4.1f%% ", cip->ci_calls /
(double)totalcip->ci_calls * 100);
else
printf(" %4s ", "");
}
if (jflag)
printf("%11.3fre ", cip->ci_etime / (1000000 * c));
else
printf("%11.3fre ", cip->ci_etime / (60.0 * 1000000));
if (cflag) {
if (cip != totalcip)
printf(" %4.1f%% ", cip->ci_etime /
totalcip->ci_etime * 100);
else
printf(" %4s ", "");
}
if (!lflag) {
if (jflag)
printf("%11.3fcp ", t / (double) cip->ci_calls);
else
printf("%11.2fcp ", t / 60.0);
if (cflag) {
if (cip != totalcip)
printf(" %4.1f%% ",
(cip->ci_utime + cip->ci_stime) /
(totalcip->ci_utime + totalcip->ci_stime) *
100);
else
printf(" %4s ", "");
}
} else {
if (jflag)
printf("%11.3fu ", cip->ci_utime / (1000000 * c));
else
printf("%11.2fu ", cip->ci_utime / (60.0 * 1000000));
if (cflag) {
if (cip != totalcip)
printf(" %4.1f%% ", cip->ci_utime /
(double)totalcip->ci_utime * 100);
else
printf(" %4s ", "");
}
if (jflag)
printf("%11.3fs ", cip->ci_stime / (1000000 * c));
else
printf("%11.2fs ", cip->ci_stime / (60.0 * 1000000));
if (cflag) {
if (cip != totalcip)
printf(" %4.1f%% ", cip->ci_stime /
(double)totalcip->ci_stime * 100);
else
printf(" %4s ", "");
}
}
if (tflag) {
if (!uflow)
printf("%8.2fre/cp ",
cip->ci_etime /
(cip->ci_utime + cip->ci_stime));
else
printf("*ignore* ");
}
if (Dflag)
printf("%10.0fio ", cip->ci_io);
else
printf("%8.0favio ", cip->ci_io / c);
if (Kflag)
printf("%10.0fk*sec ", cip->ci_mem);
else
printf("%8.0fk ", cip->ci_mem / t);
printf(" %s\n", cip->ci_comm);
}
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