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e965b7c0da
* Remove all calls to setlocale to ensure that the global
locale is always C.
* Also replace beast::SystemStats::getNumCpus() with
std:🧵:hardware_concurrency()
332 lines
11 KiB
C++
332 lines
11 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Portions of this file are from JUCE.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Please visit http://www.juce.com
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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// sysinfo() from sysinfo-bsd
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// https://code.google.com/p/sysinfo-bsd/
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/*
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* Copyright (C) 2010 Kostas Petrikas, All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer
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* in this position and unchanged.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name(s) of the author(s) may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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namespace beast
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{
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#define SI_LOAD_SHIFT 16
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struct sysinfo {
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long uptime; /* Seconds since boot */
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unsigned long loads[3]; /* 1, 5, and 15 minute load averages */
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unsigned long totalram; /* Total usable main memory size */
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unsigned long freeram; /* Available memory size */
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unsigned long sharedram; /* Amount of shared memory */
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unsigned long bufferram; /* Memory used by buffers */
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unsigned long totalswap; /* Total swap space size */
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unsigned long freeswap; /* swap space still available */
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unsigned short procs; /* Number of current processes */
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unsigned short pad; /* leaving this for linux compatability */
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unsigned long totalhigh; /* Total high memory size */
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unsigned long freehigh; /* Available high memory size */
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unsigned int mem_unit; /* Memory unit size in bytes */
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char _f[20-2*sizeof(long)-sizeof(int)]; /* leaving this for linux compatability */
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};
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#define NLOADS 3
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#define UNIT_S 1024 /*Kb*/
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#define R_IGNORE -1
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/*the macros*/
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#define R_ERROR(_EC) {if(_EC > R_IGNORE)errno = _EC; return -1;}
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#define GETSYSCTL(name, var) getsysctl((char*)name, &(var), sizeof(var))
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#define PAGE_2_UNIT(_PAGE) (((double)_PAGE * page_s) / UNIT_S)
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/*sysctl wrapper*/
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static int getsysctl(char *name, void *ptr, size_t len){
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size_t nlen = len;
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if (sysctlbyname(name, ptr, &nlen, NULL, 0) == -1)
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return -1;
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if (nlen != len)
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return -1;
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return 0;
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}
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int sysinfo(struct sysinfo *info){
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kvm_t *kvmh;
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double load_avg[NLOADS];
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int page_s = getpagesize();
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if (info == NULL)
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R_ERROR(EFAULT);
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memset(info, 0, sizeof(struct sysinfo));
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info -> mem_unit = UNIT_S;
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/*kvm init*/
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if ((kvmh = kvm_open(NULL, "/dev/null", "/dev/null",
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O_RDONLY, "kvm_open")) == NULL)
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R_ERROR(0);
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/*load averages*/
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if (kvm_getloadavg(kvmh, load_avg, NLOADS) == -1)
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R_ERROR(0);
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info -> loads[0] = (u_long)((float)load_avg[0] * USHRT_MAX);
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info -> loads[1] = (u_long)((float)load_avg[1] * USHRT_MAX);
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info -> loads[2] = (u_long)((float)load_avg[2] * USHRT_MAX);
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/*swap space*/
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struct kvm_swap k_swap;
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if (kvm_getswapinfo(kvmh, &k_swap, 1, 0) == -1)
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R_ERROR(0);
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info -> totalswap =
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(u_long)PAGE_2_UNIT(k_swap.ksw_total);
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info -> freeswap = info -> totalswap -
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(u_long)PAGE_2_UNIT(k_swap.ksw_used);
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/*processes*/
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int n_procs;
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if (kvm_getprocs(kvmh, KERN_PROC_ALL, 0, &n_procs) == NULL)
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R_ERROR(0);
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info -> procs = (u_short)n_procs;
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/*end of kvm session*/
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if (kvm_close(kvmh) == -1)
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R_ERROR(0);
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/*uptime*/
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struct timespec ts;
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if (clock_gettime(CLOCK_UPTIME, &ts) == -1)
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R_ERROR(R_IGNORE);
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info -> uptime = (long)ts.tv_sec;
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/*ram*/
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int total_pages,
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free_pages,
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active_pages,
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inactive_pages;
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u_long shmmax;
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if (GETSYSCTL("vm.stats.vm.v_page_count", total_pages) == -1)
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R_ERROR(R_IGNORE);
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if (GETSYSCTL("vm.stats.vm.v_free_count", free_pages) == -1)
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R_ERROR(R_IGNORE);
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if (GETSYSCTL("vm.stats.vm.v_active_count", active_pages) == -1)
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R_ERROR(R_IGNORE);
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if (GETSYSCTL("vm.stats.vm.v_inactive_count", inactive_pages) == -1)
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R_ERROR(R_IGNORE);
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if (GETSYSCTL("kern.ipc.shmmax", shmmax) == -1)
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R_ERROR(R_IGNORE);
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info -> totalram = (u_long)PAGE_2_UNIT(total_pages);
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info -> freeram = (u_long)PAGE_2_UNIT(free_pages);
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info -> bufferram = (u_long)PAGE_2_UNIT(active_pages);
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info -> sharedram = shmmax / UNIT_S;
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/*high mem (todo)*/
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info -> totalhigh = 0; /*Does this supose to refer to HMA or reserved ram?*/
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info -> freehigh = 0;
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return 0;
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}
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//==============================================================================
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void Logger::outputDebugString (const String& text)
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{
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std::cerr << text << std::endl;
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}
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//==============================================================================
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SystemStats::OperatingSystemType SystemStats::getOperatingSystemType()
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{
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return FreeBSD;
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}
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String SystemStats::getOperatingSystemName()
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{
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return "FreeBSD";
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}
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bool SystemStats::isOperatingSystem64Bit()
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{
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#if BEAST_64BIT
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return true;
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#else
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//xxx not sure how to find this out?..
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return false;
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#endif
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}
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//==============================================================================
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namespace BSDStatsHelpers
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{
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String getDmesgInfo (const char* const key)
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{
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StringArray lines;
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File ("/var/run/dmesg.boot").readLines (lines);
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for (int i = lines.size(); --i >= 0;) // (NB - it's important that this runs in reverse order)
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if (lines[i].startsWith (key))
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return lines[i].substring (strlen (key)).trim();
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return String::empty;
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}
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}
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String SystemStats::getCpuVendor()
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{
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return BSDStatsHelpers::getDmesgInfo (" Origin =").upToFirstOccurrenceOf (" ", false, false).unquoted();
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}
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int SystemStats::getCpuSpeedInMegaherz()
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{
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return roundToInt (BSDStatsHelpers::getDmesgInfo ("CPU:").fromLastOccurrenceOf ("(", false, false).upToFirstOccurrenceOf ("-MHz", false, false).getFloatValue());
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}
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int SystemStats::getMemorySizeInMegabytes()
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{
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struct sysinfo sysi;
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if (sysinfo (&sysi) == 0)
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return (sysi.totalram * sysi.mem_unit / (1024 * 1024));
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return 0;
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}
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int SystemStats::getPageSize()
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{
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return sysconf (_SC_PAGESIZE);
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}
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//==============================================================================
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String SystemStats::getLogonName()
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{
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const char* user = getenv ("USER");
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if (user == nullptr)
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{
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struct passwd* const pw = getpwuid (getuid());
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if (pw != nullptr)
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user = pw->pw_name;
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}
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return CharPointer_UTF8 (user);
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}
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String SystemStats::getFullUserName()
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{
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return getLogonName();
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}
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String SystemStats::getComputerName()
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{
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char name [256] = { 0 };
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if (gethostname (name, sizeof (name) - 1) == 0)
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return name;
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return String::empty;
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}
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//==============================================================================
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void CPUInformation::initialise() noexcept
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{
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const String features (BSDStatsHelpers::getDmesgInfo (" Features="));
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hasMMX = features.contains ("MMX");
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hasSSE = features.contains ("SSE");
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hasSSE2 = features.contains ("SSE2");
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const String features2 (BSDStatsHelpers::getDmesgInfo (" Features2="));
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hasSSE3 = features2.contains ("SSE3");
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const String amdfeatures2 (BSDStatsHelpers::getDmesgInfo (" AMD Features2="));
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has3DNow = amdfeatures2.contains ("3DNow!");
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}
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//==============================================================================
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std::uint32_t beast_millisecondsSinceStartup() noexcept
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{
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timespec t;
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clock_gettime (CLOCK_MONOTONIC, &t);
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return t.tv_sec * 1000 + t.tv_nsec / 1000000;
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}
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std::int64_t Time::getHighResolutionTicks() noexcept
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{
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timespec t;
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clock_gettime (CLOCK_MONOTONIC, &t);
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return (t.tv_sec * (std::int64_t) 1000000) + (t.tv_nsec / 1000);
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}
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std::int64_t Time::getHighResolutionTicksPerSecond() noexcept
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{
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return 1000000; // (microseconds)
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}
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double Time::getMillisecondCounterHiRes() noexcept
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{
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return getHighResolutionTicks() * 0.001;
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}
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bool Time::setSystemTimeToThisTime() const
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{
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timeval t;
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t.tv_sec = millisSinceEpoch / 1000;
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t.tv_usec = (millisSinceEpoch - t.tv_sec * 1000) * 1000;
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return settimeofday (&t, 0) == 0;
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}
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} // beast
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