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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #include "lint.h" 28 #include <sys/types.h> 29 #include <sys/procset.h> 30 #include <sys/processor.h> 31 #include <sys/pset.h> 32 #include <sys/param.h> 33 #include <sys/loadavg.h> 34 35 int _pset(int, ...); 36 37 /* subcode wrappers for _pset system call */ 38 39 int 40 pset_create(psetid_t *npset) 41 { 42 return (_pset(PSET_CREATE, npset)); 43 } 44 45 int 46 pset_destroy(psetid_t pset) 47 { 48 return (_pset(PSET_DESTROY, pset)); 49 } 50 51 int 52 pset_assign(psetid_t pset, processorid_t cpu, psetid_t *opset) 53 { 54 return (_pset(PSET_ASSIGN, pset, cpu, opset)); 55 } 56 57 int 58 pset_assign_forced(psetid_t pset, processorid_t cpu, psetid_t *opset) 59 { 60 return (_pset(PSET_ASSIGN_FORCED, pset, cpu, opset)); 61 } 62 63 int 64 pset_info(psetid_t pset, int *type, uint_t *numcpus, processorid_t *cpulist) 65 { 66 return (_pset(PSET_INFO, pset, type, numcpus, cpulist)); 67 } 68 69 int 70 pset_bind(psetid_t pset, idtype_t idtype, id_t id, psetid_t *opset) 71 { 72 return (_pset(PSET_BIND, pset, idtype, id, opset)); 73 } 74 75 int 76 pset_bind_lwp(psetid_t pset, id_t id, pid_t pid, psetid_t *opset) 77 { 78 return (_pset(PSET_BIND_LWP, pset, id, pid, opset)); 79 } 80 81 /* 82 * Get the per-processor-set load average. 83 */ 84 int 85 pset_getloadavg(psetid_t pset, double loadavg[], int nelem) 86 { 87 int i, buf[LOADAVG_NSTATS]; 88 89 if (nelem > LOADAVG_NSTATS) 90 nelem = LOADAVG_NSTATS; 91 92 if (_pset(PSET_GETLOADAVG, pset, buf, nelem) == -1) 93 return (-1); 94 95 for (i = 0; i < nelem; i++) 96 loadavg[i] = (double)buf[i] / FSCALE; 97 98 return (nelem); 99 } 100 101 int 102 pset_list(psetid_t *psetlist, uint_t *numpsets) 103 { 104 return (_pset(PSET_LIST, psetlist, numpsets)); 105 } 106 107 int 108 pset_setattr(psetid_t pset, uint_t attr) 109 { 110 return (_pset(PSET_SETATTR, pset, attr)); 111 } 112 113 int 114 pset_getattr(psetid_t pset, uint_t *attr) 115 { 116 return (_pset(PSET_GETATTR, pset, attr)); 117 } 118