1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Copyright 2014 Igor Kozhukhov <ikozhukhov@gmail.com>. 25 * Use is subject to license terms. 26 */ 27 28 #ifndef _SYS_LOADAVG_H 29 #define _SYS_LOADAVG_H 30 31 #ifdef __cplusplus 32 extern "C" { 33 #endif 34 35 #define LOADAVG_1MIN 0 36 #define LOADAVG_5MIN 1 37 #define LOADAVG_15MIN 2 38 39 #define LOADAVG_NSTATS 3 40 41 #define S_LOADAVG_SZ 11 42 #define S_MOVAVG_SZ 10 43 44 struct loadavg_s { 45 int lg_cur; /* current loadavg entry */ 46 unsigned int lg_len; /* number entries recorded */ 47 hrtime_t lg_total; /* used to temporarily hold load totals */ 48 hrtime_t lg_loads[S_LOADAVG_SZ]; /* table of recorded entries */ 49 }; 50 51 #ifdef _KERNEL 52 53 extern int getloadavg(int *, int); 54 55 #else /* _KERNEL */ 56 57 /* 58 * This is the user API 59 */ 60 extern int getloadavg(double [], int); 61 62 #endif /* _KERNEL */ 63 64 #ifdef __cplusplus 65 } 66 #endif 67 68 #endif /* _SYS_LOADAVG_H */ 69