systemmem-freebsd.cpp revision 5979821e2c16d1fcec5b9a3ef64e13246fc9a93a
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync/* $Id$ */
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync/** @file
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * IPRT - RTSystemQueryTotalRam, Linux ring-3.
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync */
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync/*
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * Copyright (C) 2012-2013 Oracle Corporation
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync *
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * available from http://www.virtualbox.org. This file is free software;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * you can redistribute it and/or modify it under the terms of the GNU
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * General Public License (GPL) as published by the Free Software
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync *
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * The contents of this file may alternatively be used under the terms
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * of the Common Development and Distribution License Version 1.0
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * VirtualBox OSE distribution, in which case the provisions of the
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * CDDL are applicable instead of those of the GPL.
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync *
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * You may elect to license modified versions of this file under the
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync * terms and conditions of either the GPL or the CDDL or both.
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync */
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync/*******************************************************************************
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync* Header Files *
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync*******************************************************************************/
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <iprt/system.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include "internal/iprt.h"
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <iprt/err.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <iprt/assert.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <iprt/string.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <sys/types.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <sys/sysctl.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync#include <errno.h>
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsyncRTDECL(int) RTSystemQueryTotalRam(uint64_t *pcb)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync{
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync int rc = VINF_SUCCESS;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync u_long cbMemPhys = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync size_t cbParameter = sizeof(cbMemPhys);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if (!sysctlbyname("hw.physmem", &cbMemPhys, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync {
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync *pcb = cbMemPhys;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync return VINF_SUCCESS;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync }
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync return RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync}
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsyncRTDECL(int) RTSystemQueryAvailableRam(uint64_t *pcb)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync{
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync AssertPtrReturn(pcb, VERR_INVALID_POINTER);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync int rc = VINF_SUCCESS;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync u_int cPagesMemFree = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync u_int cPagesMemInactive = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync u_int cPagesMemCached = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync u_int cPagesMemUsed = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync int cbPage = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync size_t cbParameter;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync int cProcessed = 0;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync cbParameter = sizeof(cPagesMemFree);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if (sysctlbyname("vm.stats.vm.v_free_count", &cPagesMemFree, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync rc = RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync cbParameter = sizeof(cPagesMemUsed);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if ( RT_SUCCESS(rc)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync && sysctlbyname("vm.stats.vm.v_active_count", &cPagesMemUsed, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync rc = RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync cbParameter = sizeof(cPagesMemInactive);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if ( RT_SUCCESS(rc)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync && sysctlbyname("vm.stats.vm.v_inactive_count", &cPagesMemInactive, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync rc = RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync cbParameter = sizeof(cPagesMemCached);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if ( RT_SUCCESS(rc)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync && sysctlbyname("vm.stats.vm.v_cache_count", &cPagesMemCached, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync rc = RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync cbParameter = sizeof(cbPage);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if ( RT_SUCCESS(rc)
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync && sysctlbyname("hw.pagesize", &cbPage, &cbParameter, NULL, 0))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync rc = RTErrConvertFromErrno(errno);
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync if (RT_SUCCESS(rc))
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync *pcb = (cPagesMemFree + cPagesMemInactive + cPagesMemCached ) * cbPage;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync return rc;
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync}
5979821e2c16d1fcec5b9a3ef64e13246fc9a93avboxsync