getloadavg.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* 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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#pragma weak getloadavg = _getloadavg
#include "synonyms.h"
#include <sys/types.h>
#include <sys/param.h>
#include <sys/syscall.h>
#include <sys/loadavg.h>
#include <stdio.h>
#include <stdlib.h>
/*
* getloadavg -- get the time averaged run queues from the system
*/
int
getloadavg(double loadavg[], int nelem)
{
int i, buf[LOADAVG_NSTATS];
if (nelem > LOADAVG_NSTATS)
nelem = LOADAVG_NSTATS;
if ((nelem = __getloadavg(buf, nelem)) == -1)
return (-1);
for (i = 0; i < nelem; i++)
loadavg[i] = (double)buf[i] / FSCALE;
return (nelem);
}