/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 1990 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/time.h>
#include <sys/resource.h>
/*
* Backwards compatible vtimes.
*/
struct vtimes {
int vm_utime; /* user time (60'ths) */
int vm_stime; /* system time (60'ths) */
/* divide next two by utime+stime to get averages */
unsigned vm_idsrss; /* integral of d+s rss */
unsigned vm_ixrss; /* integral of text rss */
int vm_maxrss; /* maximum rss */
int vm_majflt; /* major page faults */
int vm_minflt; /* minor page faults */
int vm_nswap; /* number of swaps */
int vm_inblk; /* block reads */
int vm_oublk; /* block writes */
};
static void getvtimes(struct rusage *, struct vtimes *);
static int scale60(struct timeval *);
int
vtimes(struct vtimes *par, struct vtimes *chi)
{
struct rusage ru;
if (par) {
if (getrusage(RUSAGE_SELF, &ru) < 0)
return (-1);
getvtimes(&ru, par);
}
if (chi) {
if (getrusage(RUSAGE_CHILDREN, &ru) < 0)
return (-1);
getvtimes(&ru, chi);
}
return (0);
}
static void
getvtimes(struct rusage *aru, struct vtimes *avt)
{
avt->vm_utime = scale60(&aru->ru_utime);
avt->vm_stime = scale60(&aru->ru_stime);
avt->vm_idsrss = ((aru->ru_idrss+aru->ru_isrss) / 100) * 60;
avt->vm_ixrss = aru->ru_ixrss / 100 * 60;
avt->vm_maxrss = aru->ru_maxrss;
avt->vm_majflt = aru->ru_majflt;
avt->vm_minflt = aru->ru_minflt;
avt->vm_nswap = aru->ru_nswap;
avt->vm_inblk = aru->ru_inblock;
avt->vm_oublk = aru->ru_oublock;
}
static int
scale60(struct timeval *tvp)
{
return (tvp->tv_sec * 60 + tvp->tv_usec / 16667);
}