548 lines
23 KiB
JavaScript
548 lines
23 KiB
JavaScript
'use strict';
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// @ts-check
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// ==================================================================================
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// memory.js
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// ----------------------------------------------------------------------------------
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// Description: System Information - library
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// for Node.js
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// Copyright: (c) 2014 - 2022
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// Author: Sebastian Hildebrandt
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// ----------------------------------------------------------------------------------
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// License: MIT
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// ==================================================================================
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// 5. Memory
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// ----------------------------------------------------------------------------------
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const os = require('os');
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const exec = require('child_process').exec;
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const execSync = require('child_process').execSync;
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const util = require('./util');
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const fs = require('fs');
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let _platform = process.platform;
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const _linux = (_platform === 'linux' || _platform === 'android');
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const _darwin = (_platform === 'darwin');
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const _windows = (_platform === 'win32');
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const _freebsd = (_platform === 'freebsd');
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const _openbsd = (_platform === 'openbsd');
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const _netbsd = (_platform === 'netbsd');
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const _sunos = (_platform === 'sunos');
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const OSX_RAM_manufacturers = {
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'0x014F': 'Transcend Information',
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'0x2C00': 'Micron Technology Inc.',
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'0x802C': 'Micron Technology Inc.',
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'0x80AD': 'Hynix Semiconductor Inc.',
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'0x80CE': 'Samsung Electronics Inc.',
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'0xAD00': 'Hynix Semiconductor Inc.',
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'0xCE00': 'Samsung Electronics Inc.',
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'0x02FE': 'Elpida',
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'0x5105': 'Qimonda AG i. In.',
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'0x8551': 'Qimonda AG i. In.',
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'0x859B': 'Crucial',
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'0x04CD': 'G-Skill'
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};
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const LINUX_RAM_manufacturers = {
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'017A': 'Apacer',
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'0198': 'HyperX',
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'029E': 'Corsair',
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'04CB': 'A-DATA',
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'04CD': 'G-Skill',
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'059B': 'Crucial',
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'00CE': 'Samsung',
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'1315': 'Crutial',
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'014F': 'Transcend Information',
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'2C00': 'Micron Technology Inc.',
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'802C': 'Micron Technology Inc.',
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'80AD': 'Hynix Semiconductor Inc.',
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'80CE': 'Samsung Electronics Inc.',
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'AD00': 'Hynix Semiconductor Inc.',
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'CE00': 'Samsung Electronics Inc.',
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'02FE': 'Elpida',
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'5105': 'Qimonda AG i. In.',
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'8551': 'Qimonda AG i. In.',
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'859B': 'Crucial'
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};
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// _______________________________________________________________________________________
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// | R A M | H D |
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// |______________________|_________________________| | |
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// | active buffers/cache | | |
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// |________________________________________________|___________|_________|______________|
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// | used free | used free |
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// |____________________________________________________________|________________________|
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// | total | swap |
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// |____________________________________________________________|________________________|
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// free (older versions)
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// ----------------------------------
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// # free
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// total used free shared buffers cached
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// Mem: 16038 (1) 15653 (2) 384 (3) 0 (4) 236 (5) 14788 (6)
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// -/+ buffers/cache: 628 (7) 15409 (8)
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// Swap: 16371 83 16288
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//
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// |------------------------------------------------------------|
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// | R A M |
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// |______________________|_____________________________________|
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// | active (2-(5+6) = 7) | available (3+5+6 = 8) |
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// |______________________|_________________________|___________|
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// | active | buffers/cache (5+6) | |
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// |________________________________________________|___________|
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// | used (2) | free (3) |
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// |____________________________________________________________|
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// | total (1) |
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// |____________________________________________________________|
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//
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// free (since free von procps-ng 3.3.10)
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// ----------------------------------
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// # free
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// total used free shared buffers/cache available
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// Mem: 16038 (1) 628 (2) 386 (3) 0 (4) 15024 (5) 14788 (6)
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// Swap: 16371 83 16288
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//
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// |------------------------------------------------------------|
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// | R A M |
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// |______________________|_____________________________________|
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// | | available (6) estimated |
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// |______________________|_________________________|___________|
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// | active (2) | buffers/cache (5) | free (3) |
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// |________________________________________________|___________|
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// | total (1) |
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// |____________________________________________________________|
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//
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// Reference: http://www.software-architect.net/blog/article/date/2015/06/12/-826c6e5052.html
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// /procs/meminfo - sample (all in kB)
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//
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// MemTotal: 32806380 kB
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// MemFree: 17977744 kB
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// MemAvailable: 19768972 kB
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// Buffers: 517028 kB
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// Cached: 2161876 kB
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// SwapCached: 456 kB
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// Active: 12081176 kB
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// Inactive: 2164616 kB
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// Active(anon): 10832884 kB
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// Inactive(anon): 1477272 kB
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// Active(file): 1248292 kB
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// Inactive(file): 687344 kB
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// Unevictable: 0 kB
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// Mlocked: 0 kB
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// SwapTotal: 16768892 kB
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// SwapFree: 16768304 kB
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// Dirty: 268 kB
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// Writeback: 0 kB
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// AnonPages: 11568832 kB
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// Mapped: 719992 kB
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// Shmem: 743272 kB
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// Slab: 335716 kB
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// SReclaimable: 256364 kB
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// SUnreclaim: 79352 kB
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function mem(callback) {
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return new Promise((resolve) => {
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process.nextTick(() => {
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let result = {
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total: os.totalmem(),
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free: os.freemem(),
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used: os.totalmem() - os.freemem(),
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active: os.totalmem() - os.freemem(), // temporarily (fallback)
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available: os.freemem(), // temporarily (fallback)
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buffers: 0,
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cached: 0,
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slab: 0,
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buffcache: 0,
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swaptotal: 0,
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swapused: 0,
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swapfree: 0
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};
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if (_linux) {
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fs.readFile('/proc/meminfo', function (error, stdout) {
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if (!error) {
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const lines = stdout.toString().split('\n');
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result.total = parseInt(util.getValue(lines, 'memtotal'), 10);
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result.total = result.total ? result.total * 1024 : os.totalmem();
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result.free = parseInt(util.getValue(lines, 'memfree'), 10);
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result.free = result.free ? result.free * 1024 : os.freemem();
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result.used = result.total - result.free;
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result.buffers = parseInt(util.getValue(lines, 'buffers'), 10);
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result.buffers = result.buffers ? result.buffers * 1024 : 0;
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result.cached = parseInt(util.getValue(lines, 'cached'), 10);
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result.cached = result.cached ? result.cached * 1024 : 0;
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result.slab = parseInt(util.getValue(lines, 'slab'), 10);
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result.slab = result.slab ? result.slab * 1024 : 0;
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result.buffcache = result.buffers + result.cached + result.slab;
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let available = parseInt(util.getValue(lines, 'memavailable'), 10);
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result.available = available ? available * 1024 : result.free + result.buffcache;
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result.active = result.total - result.available;
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result.swaptotal = parseInt(util.getValue(lines, 'swaptotal'), 10);
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result.swaptotal = result.swaptotal ? result.swaptotal * 1024 : 0;
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result.swapfree = parseInt(util.getValue(lines, 'swapfree'), 10);
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result.swapfree = result.swapfree ? result.swapfree * 1024 : 0;
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result.swapused = result.swaptotal - result.swapfree;
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}
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if (callback) { callback(result); }
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resolve(result);
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});
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}
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if (_freebsd || _openbsd || _netbsd) {
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exec('/sbin/sysctl hw.realmem hw.physmem vm.stats.vm.v_page_count vm.stats.vm.v_wire_count vm.stats.vm.v_active_count vm.stats.vm.v_inactive_count vm.stats.vm.v_cache_count vm.stats.vm.v_free_count vm.stats.vm.v_page_size', function (error, stdout) {
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if (!error) {
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let lines = stdout.toString().split('\n');
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const pagesize = parseInt(util.getValue(lines, 'vm.stats.vm.v_page_size'), 10);
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const inactive = parseInt(util.getValue(lines, 'vm.stats.vm.v_inactive_count'), 10) * pagesize;
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const cache = parseInt(util.getValue(lines, 'vm.stats.vm.v_cache_count'), 10) * pagesize;
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result.total = parseInt(util.getValue(lines, 'hw.realmem'), 10);
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if (isNaN(result.total)) { result.total = parseInt(util.getValue(lines, 'hw.physmem'), 10); }
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result.free = parseInt(util.getValue(lines, 'vm.stats.vm.v_free_count'), 10) * pagesize;
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result.buffcache = inactive + cache;
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result.available = result.buffcache + result.free;
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result.active = result.total - result.free - result.buffcache;
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result.swaptotal = 0;
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result.swapfree = 0;
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result.swapused = 0;
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}
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if (callback) { callback(result); }
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resolve(result);
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});
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}
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if (_sunos) {
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if (callback) { callback(result); }
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resolve(result);
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}
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if (_darwin) {
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let pageSize = 4096;
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try {
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let sysPpageSize = util.toInt(execSync('sysctl -n vm.pagesize').toString());
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pageSize = sysPpageSize || pageSize;
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} catch (e) {
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util.noop();
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}
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exec('vm_stat 2>/dev/null | grep "Pages active"', function (error, stdout) {
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if (!error) {
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let lines = stdout.toString().split('\n');
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result.active = parseInt(lines[0].split(':')[1], 10) * pageSize;
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result.buffcache = result.used - result.active;
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result.available = result.free + result.buffcache;
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}
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exec('sysctl -n vm.swapusage 2>/dev/null', function (error, stdout) {
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if (!error) {
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let lines = stdout.toString().split('\n');
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if (lines.length > 0) {
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let line = lines[0].replace(/,/g, '.').replace(/M/g, '');
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line = line.trim().split(' ');
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for (let i = 0; i < line.length; i++) {
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if (line[i].toLowerCase().indexOf('total') !== -1) { result.swaptotal = parseFloat(line[i].split('=')[1].trim()) * 1024 * 1024; }
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if (line[i].toLowerCase().indexOf('used') !== -1) { result.swapused = parseFloat(line[i].split('=')[1].trim()) * 1024 * 1024; }
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if (line[i].toLowerCase().indexOf('free') !== -1) { result.swapfree = parseFloat(line[i].split('=')[1].trim()) * 1024 * 1024; }
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}
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}
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}
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if (callback) { callback(result); }
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resolve(result);
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});
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});
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}
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if (_windows) {
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let swaptotal = 0;
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let swapused = 0;
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try {
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util.powerShell('Get-CimInstance Win32_PageFileUsage | Select AllocatedBaseSize, CurrentUsage').then((stdout, error) => {
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if (!error) {
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let lines = stdout.split('\r\n').filter(line => line.trim() !== '').filter((line, idx) => idx > 0);
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lines.forEach(function (line) {
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if (line !== '') {
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line = line.trim().split(/\s\s+/);
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swaptotal = swaptotal + (parseInt(line[0], 10) || 0);
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swapused = swapused + (parseInt(line[1], 10) || 0);
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}
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});
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}
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result.swaptotal = swaptotal * 1024 * 1024;
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result.swapused = swapused * 1024 * 1024;
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result.swapfree = result.swaptotal - result.swapused;
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if (callback) { callback(result); }
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resolve(result);
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});
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} catch (e) {
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if (callback) { callback(result); }
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resolve(result);
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}
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}
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});
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});
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}
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exports.mem = mem;
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function memLayout(callback) {
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function getManufacturerDarwin(manId) {
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if ({}.hasOwnProperty.call(OSX_RAM_manufacturers, manId)) {
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return (OSX_RAM_manufacturers[manId]);
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}
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return manId;
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}
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function getManufacturerLinux(manId) {
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const manIdSearch = manId.replace('0x', '').toUpperCase();
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if (manIdSearch.length === 4 && {}.hasOwnProperty.call(LINUX_RAM_manufacturers, manIdSearch)) {
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return (LINUX_RAM_manufacturers[manIdSearch]);
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}
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return manId;
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}
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return new Promise((resolve) => {
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process.nextTick(() => {
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let result = [];
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if (_linux || _freebsd || _openbsd || _netbsd) {
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exec('export LC_ALL=C; dmidecode -t memory 2>/dev/null | grep -iE "Size:|Type|Speed|Manufacturer|Form Factor|Locator|Memory Device|Serial Number|Voltage|Part Number"; unset LC_ALL', function (error, stdout) {
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if (!error) {
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let devices = stdout.toString().split('Memory Device');
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devices.shift();
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devices.forEach(function (device) {
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let lines = device.split('\n');
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const sizeString = util.getValue(lines, 'Size');
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const size = sizeString.indexOf('GB') >= 0 ? parseInt(sizeString, 10) * 1024 * 1024 * 1024 : parseInt(sizeString, 10) * 1024 * 1024;
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if (parseInt(util.getValue(lines, 'Size'), 10) > 0) {
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const totalWidth = util.toInt(util.getValue(lines, 'Total Width'));
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const dataWidth = util.toInt(util.getValue(lines, 'Data Width'));
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result.push({
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size,
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bank: util.getValue(lines, 'Bank Locator'),
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type: util.getValue(lines, 'Type:'),
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ecc: dataWidth && totalWidth ? totalWidth > dataWidth : false,
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clockSpeed: (util.getValue(lines, 'Configured Clock Speed:') ? parseInt(util.getValue(lines, 'Configured Clock Speed:'), 10) : (util.getValue(lines, 'Speed:') ? parseInt(util.getValue(lines, 'Speed:'), 10) : null)),
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formFactor: util.getValue(lines, 'Form Factor:'),
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manufacturer: getManufacturerLinux(util.getValue(lines, 'Manufacturer:')),
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partNum: util.getValue(lines, 'Part Number:'),
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serialNum: util.getValue(lines, 'Serial Number:'),
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voltageConfigured: parseFloat(util.getValue(lines, 'Configured Voltage:')) || null,
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voltageMin: parseFloat(util.getValue(lines, 'Minimum Voltage:')) || null,
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voltageMax: parseFloat(util.getValue(lines, 'Maximum Voltage:')) || null,
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});
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} else {
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result.push({
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size: 0,
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bank: util.getValue(lines, 'Bank Locator'),
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type: 'Empty',
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ecc: null,
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clockSpeed: 0,
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formFactor: util.getValue(lines, 'Form Factor:'),
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partNum: '',
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serialNum: '',
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voltageConfigured: null,
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voltageMin: null,
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voltageMax: null,
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});
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}
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});
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}
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if (!result.length) {
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result.push({
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size: os.totalmem(),
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bank: '',
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type: '',
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ecc: null,
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clockSpeed: 0,
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formFactor: '',
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partNum: '',
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serialNum: '',
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voltageConfigured: null,
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voltageMin: null,
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voltageMax: null,
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});
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// Try Raspberry PI
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try {
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let stdout = execSync('cat /proc/cpuinfo 2>/dev/null');
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let lines = stdout.toString().split('\n');
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let model = util.getValue(lines, 'hardware', ':', true).toUpperCase();
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let version = util.getValue(lines, 'revision', ':', true).toLowerCase();
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if (model === 'BCM2835' || model === 'BCM2708' || model === 'BCM2709' || model === 'BCM2835' || model === 'BCM2837') {
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const clockSpeed = {
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'0': 400,
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'1': 450,
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'2': 450,
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'3': 3200
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};
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result[0].type = 'LPDDR2';
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result[0].type = version && version[2] && version[2] === '3' ? 'LPDDR4' : result[0].type;
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result[0].ecc = false;
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result[0].clockSpeed = version && version[2] && clockSpeed[version[2]] || 400;
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result[0].clockSpeed = version && version[4] && version[4] === 'd' ? 500 : result[0].clockSpeed;
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result[0].formFactor = 'SoC';
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stdout = execSync('vcgencmd get_config sdram_freq 2>/dev/null');
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lines = stdout.toString().split('\n');
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let freq = parseInt(util.getValue(lines, 'sdram_freq', '=', true), 10) || 0;
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if (freq) {
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result[0].clockSpeed = freq;
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}
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stdout = execSync('vcgencmd measure_volts sdram_p 2>/dev/null');
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lines = stdout.toString().split('\n');
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let voltage = parseFloat(util.getValue(lines, 'volt', '=', true)) || 0;
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if (voltage) {
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result[0].voltageConfigured = voltage;
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result[0].voltageMin = voltage;
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result[0].voltageMax = voltage;
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}
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}
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} catch (e) {
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util.noop();
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}
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}
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if (callback) { callback(result); }
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resolve(result);
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});
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}
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if (_darwin) {
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exec('system_profiler SPMemoryDataType', function (error, stdout) {
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if (!error) {
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const allLines = stdout.toString().split('\n');
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const eccStatus = util.getValue(allLines, 'ecc', ':', true).toLowerCase();
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let devices = stdout.toString().split(' BANK ');
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let hasBank = true;
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if (devices.length === 1) {
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devices = stdout.toString().split(' DIMM');
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hasBank = false;
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}
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devices.shift();
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devices.forEach(function (device) {
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let lines = device.split('\n');
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const bank = (hasBank ? 'BANK ' : 'DIMM') + lines[0].trim().split('/')[0];
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const size = parseInt(util.getValue(lines, ' Size'));
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if (size) {
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result.push({
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size: size * 1024 * 1024 * 1024,
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bank: bank,
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type: util.getValue(lines, ' Type:'),
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ecc: eccStatus ? eccStatus === 'enabled' : null,
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clockSpeed: parseInt(util.getValue(lines, ' Speed:'), 10),
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formFactor: '',
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manufacturer: getManufacturerDarwin(util.getValue(lines, ' Manufacturer:')),
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partNum: util.getValue(lines, ' Part Number:'),
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serialNum: util.getValue(lines, ' Serial Number:'),
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voltageConfigured: null,
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voltageMin: null,
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voltageMax: null,
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});
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} else {
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result.push({
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size: 0,
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bank: bank,
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type: 'Empty',
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ecc: null,
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clockSpeed: 0,
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formFactor: '',
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manufacturer: '',
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partNum: '',
|
|
serialNum: '',
|
|
voltageConfigured: null,
|
|
voltageMin: null,
|
|
voltageMax: null,
|
|
});
|
|
}
|
|
});
|
|
}
|
|
if (!result.length) {
|
|
const lines = stdout.toString().split('\n');
|
|
const size = parseInt(util.getValue(lines, ' Memory:'));
|
|
const type = util.getValue(lines, ' Type:');
|
|
if (size && type) {
|
|
result.push({
|
|
size: size * 1024 * 1024 * 1024,
|
|
bank: '0',
|
|
type,
|
|
ecc: false,
|
|
clockSpeed: 0,
|
|
formFactor: '',
|
|
manufacturer: 'Apple',
|
|
partNum: '',
|
|
serialNum: '',
|
|
voltageConfigured: null,
|
|
voltageMin: null,
|
|
voltageMax: null,
|
|
});
|
|
|
|
}
|
|
}
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
});
|
|
}
|
|
if (_sunos) {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
if (_windows) {
|
|
const memoryTypes = 'Unknown|Other|DRAM|Synchronous DRAM|Cache DRAM|EDO|EDRAM|VRAM|SRAM|RAM|ROM|FLASH|EEPROM|FEPROM|EPROM|CDRAM|3DRAM|SDRAM|SGRAM|RDRAM|DDR|DDR2|DDR2 FB-DIMM|Reserved|DDR3|FBD2|DDR4|LPDDR|LPDDR2|LPDDR3|LPDDR4'.split('|');
|
|
const FormFactors = 'Unknown|Other|SIP|DIP|ZIP|SOJ|Proprietary|SIMM|DIMM|TSOP|PGA|RIMM|SODIMM|SRIMM|SMD|SSMP|QFP|TQFP|SOIC|LCC|PLCC|BGA|FPBGA|LGA'.split('|');
|
|
|
|
try {
|
|
util.powerShell('Get-WmiObject Win32_PhysicalMemory | select DataWidth,TotalWidth,Capacity,BankLabel,MemoryType,SMBIOSMemoryType,ConfiguredClockSpeed,FormFactor,Manufacturer,PartNumber,SerialNumber,ConfiguredVoltage,MinVoltage,MaxVoltage | fl').then((stdout, error) => {
|
|
if (!error) {
|
|
let devices = stdout.toString().split(/\n\s*\n/);
|
|
devices.shift();
|
|
devices.forEach(function (device) {
|
|
let lines = device.split('\r\n');
|
|
const dataWidth = util.toInt(util.getValue(lines, 'DataWidth', ':'));
|
|
const totalWidth = util.toInt(util.getValue(lines, 'TotalWidth', ':'));
|
|
const size = parseInt(util.getValue(lines, 'Capacity', ':'), 10) || 0;
|
|
if (size) {
|
|
result.push({
|
|
size,
|
|
bank: util.getValue(lines, 'BankLabel', ':'), // BankLabel
|
|
type: memoryTypes[parseInt(util.getValue(lines, 'MemoryType', ':'), 10) || parseInt(util.getValue(lines, 'SMBIOSMemoryType', ':'), 10)],
|
|
ecc: dataWidth && totalWidth ? totalWidth > dataWidth : false,
|
|
clockSpeed: parseInt(util.getValue(lines, 'ConfiguredClockSpeed', ':'), 10) || parseInt(util.getValue(lines, 'Speed', ':'), 10) || 0,
|
|
formFactor: FormFactors[parseInt(util.getValue(lines, 'FormFactor', ':'), 10) || 0],
|
|
manufacturer: util.getValue(lines, 'Manufacturer', ':'),
|
|
partNum: util.getValue(lines, 'PartNumber', ':'),
|
|
serialNum: util.getValue(lines, 'SerialNumber', ':'),
|
|
voltageConfigured: (parseInt(util.getValue(lines, 'ConfiguredVoltage', ':'), 10) || 0) / 1000.0,
|
|
voltageMin: (parseInt(util.getValue(lines, 'MinVoltage', ':'), 10) || 0) / 1000.0,
|
|
voltageMax: (parseInt(util.getValue(lines, 'MaxVoltage', ':'), 10) || 0) / 1000.0,
|
|
});
|
|
}
|
|
});
|
|
}
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
});
|
|
} catch (e) {
|
|
if (callback) { callback(result); }
|
|
resolve(result);
|
|
}
|
|
}
|
|
});
|
|
});
|
|
}
|
|
|
|
exports.memLayout = memLayout;
|
|
|