mp-solaris.cpp revision 537680a235921a9a53f5040185a15cdcf228c217
537680a235921a9a53f5040185a15cdcf228c217vboxsync/* $Id$ */
537680a235921a9a53f5040185a15cdcf228c217vboxsync/** @file
537680a235921a9a53f5040185a15cdcf228c217vboxsync * IPRT - Multiprocessor, Solaris.
537680a235921a9a53f5040185a15cdcf228c217vboxsync */
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync/*
537680a235921a9a53f5040185a15cdcf228c217vboxsync * Copyright (C) 2008 Sun Microsystems, Inc.
537680a235921a9a53f5040185a15cdcf228c217vboxsync *
537680a235921a9a53f5040185a15cdcf228c217vboxsync * This file is part of VirtualBox Open Source Edition (OSE), as
537680a235921a9a53f5040185a15cdcf228c217vboxsync * available from http://www.virtualbox.org. This file is free software;
537680a235921a9a53f5040185a15cdcf228c217vboxsync * you can redistribute it and/or modify it under the terms of the GNU
537680a235921a9a53f5040185a15cdcf228c217vboxsync * General Public License (GPL) as published by the Free Software
537680a235921a9a53f5040185a15cdcf228c217vboxsync * Foundation, in version 2 as it comes in the "COPYING" file of the
537680a235921a9a53f5040185a15cdcf228c217vboxsync * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
537680a235921a9a53f5040185a15cdcf228c217vboxsync * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
537680a235921a9a53f5040185a15cdcf228c217vboxsync *
537680a235921a9a53f5040185a15cdcf228c217vboxsync * The contents of this file may alternatively be used under the terms
537680a235921a9a53f5040185a15cdcf228c217vboxsync * of the Common Development and Distribution License Version 1.0
537680a235921a9a53f5040185a15cdcf228c217vboxsync * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
537680a235921a9a53f5040185a15cdcf228c217vboxsync * VirtualBox OSE distribution, in which case the provisions of the
537680a235921a9a53f5040185a15cdcf228c217vboxsync * CDDL are applicable instead of those of the GPL.
537680a235921a9a53f5040185a15cdcf228c217vboxsync *
537680a235921a9a53f5040185a15cdcf228c217vboxsync * You may elect to license modified versions of this file under the
537680a235921a9a53f5040185a15cdcf228c217vboxsync * terms and conditions of either the GPL or the CDDL or both.
537680a235921a9a53f5040185a15cdcf228c217vboxsync *
537680a235921a9a53f5040185a15cdcf228c217vboxsync * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
537680a235921a9a53f5040185a15cdcf228c217vboxsync * Clara, CA 95054 USA or visit http://www.sun.com if you need
537680a235921a9a53f5040185a15cdcf228c217vboxsync * additional information or have any questions.
537680a235921a9a53f5040185a15cdcf228c217vboxsync */
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync/*******************************************************************************
537680a235921a9a53f5040185a15cdcf228c217vboxsync* Header Files *
537680a235921a9a53f5040185a15cdcf228c217vboxsync*******************************************************************************/
537680a235921a9a53f5040185a15cdcf228c217vboxsync#define LOG_GROUP RTLOGGROUP_DEFAULT
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <unistd.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <stdio.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <errno.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <kstat.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/mp.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/cpuset.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/assert.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/string.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/alloc.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync#include <iprt/log.h>
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsyncstatic kstat_ctl_t *g_kc;
537680a235921a9a53f5040185a15cdcf228c217vboxsyncstatic kstat_t **g_cpuInfo;
537680a235921a9a53f5040185a15cdcf228c217vboxsyncstatic RTCPUID g_nCPUs;
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsyncvoid rtLookupCpuInfoStats()
537680a235921a9a53f5040185a15cdcf228c217vboxsync{
537680a235921a9a53f5040185a15cdcf228c217vboxsync g_kc = kstat_open();
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (!g_kc)
537680a235921a9a53f5040185a15cdcf228c217vboxsync {
537680a235921a9a53f5040185a15cdcf228c217vboxsync Log(("kstat_open() -> %d\n", errno));
537680a235921a9a53f5040185a15cdcf228c217vboxsync return;
537680a235921a9a53f5040185a15cdcf228c217vboxsync }
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync g_nCPUs = RTMpGetCount();
537680a235921a9a53f5040185a15cdcf228c217vboxsync g_cpuInfo = (kstat_t**)RTMemAlloc(g_nCPUs * sizeof(kstat_t*));
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (!g_cpuInfo)
537680a235921a9a53f5040185a15cdcf228c217vboxsync {
537680a235921a9a53f5040185a15cdcf228c217vboxsync Log(("RTMemAlloc() -> NULL\n"));
537680a235921a9a53f5040185a15cdcf228c217vboxsync return;
537680a235921a9a53f5040185a15cdcf228c217vboxsync }
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync RTCPUID i = 0;
537680a235921a9a53f5040185a15cdcf228c217vboxsync kstat_t *ksp;
537680a235921a9a53f5040185a15cdcf228c217vboxsync for (ksp = g_kc->kc_chain; ksp != NULL; ksp = ksp->ks_next)
537680a235921a9a53f5040185a15cdcf228c217vboxsync {
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (strcmp(ksp->ks_module, "cpu_info") == 0)
537680a235921a9a53f5040185a15cdcf228c217vboxsync {
537680a235921a9a53f5040185a15cdcf228c217vboxsync g_cpuInfo[i++] = ksp;
537680a235921a9a53f5040185a15cdcf228c217vboxsync }
537680a235921a9a53f5040185a15cdcf228c217vboxsync Assert(i <= g_nCPUs);
537680a235921a9a53f5040185a15cdcf228c217vboxsync }
537680a235921a9a53f5040185a15cdcf228c217vboxsync}
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsyncstatic uint64_t rtMpGetFrequency(RTCPUID idCpu, char *statName)
537680a235921a9a53f5040185a15cdcf228c217vboxsync{
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (!g_kc)
537680a235921a9a53f5040185a15cdcf228c217vboxsync rtLookupCpuInfoStats();
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (idCpu < g_nCPUs && g_cpuInfo[idCpu])
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (kstat_read(g_kc, g_cpuInfo[idCpu], 0) != -1)
537680a235921a9a53f5040185a15cdcf228c217vboxsync {
537680a235921a9a53f5040185a15cdcf228c217vboxsync kstat_named_t *kn;
537680a235921a9a53f5040185a15cdcf228c217vboxsync kn = (kstat_named_t *)kstat_data_lookup(g_cpuInfo[idCpu], statName);
537680a235921a9a53f5040185a15cdcf228c217vboxsync if (kn)
537680a235921a9a53f5040185a15cdcf228c217vboxsync return kn->value.ul;
537680a235921a9a53f5040185a15cdcf228c217vboxsync else
537680a235921a9a53f5040185a15cdcf228c217vboxsync Log(("kstat_data_lookup(%s) -> %d\n", statName, errno));
537680a235921a9a53f5040185a15cdcf228c217vboxsync }
537680a235921a9a53f5040185a15cdcf228c217vboxsync else
537680a235921a9a53f5040185a15cdcf228c217vboxsync Log(("kstat_read() -> %d\n", errno));
537680a235921a9a53f5040185a15cdcf228c217vboxsync else
537680a235921a9a53f5040185a15cdcf228c217vboxsync Log(("invalid idCpu: %d\n", idCpu));
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync return 0;
537680a235921a9a53f5040185a15cdcf228c217vboxsync}
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsyncRTDECL(uint32_t) RTMpGetCurFrequency(RTCPUID idCpu)
537680a235921a9a53f5040185a15cdcf228c217vboxsync{
537680a235921a9a53f5040185a15cdcf228c217vboxsync return rtMpGetFrequency(idCpu, "current_clock_Hz") / 1000000;
537680a235921a9a53f5040185a15cdcf228c217vboxsync}
537680a235921a9a53f5040185a15cdcf228c217vboxsync
537680a235921a9a53f5040185a15cdcf228c217vboxsyncRTDECL(uint32_t) RTMpGetMaxFrequency(RTCPUID idCpu)
537680a235921a9a53f5040185a15cdcf228c217vboxsync{
537680a235921a9a53f5040185a15cdcf228c217vboxsync return rtMpGetFrequency(idCpu, "clock_MHz");
537680a235921a9a53f5040185a15cdcf228c217vboxsync}