@znode/os-usage/lib/cpu.js

os cpu/memory/disk usage

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.getCPUCount = exports.cpu = void 0;
/**
 * Inpsired by os-utils
 */
const os = require("os");
const execa_1 = require("@znode/execa");
async function cpu() {
    const count = await getCPUCount();
    const stats1 = await getCPUInfo();
    const startIdle = stats1.idle;
    const startTotal = stats1.total;
    return new Promise((resolve) => {
        setTimeout(async function () {
            const stats2 = await getCPUInfo();
            const endIdle = stats2.idle;
            const endTotal = stats2.total;
            const idle = endIdle - startIdle;
            const total = endTotal - startTotal;
            const free = ~~((idle / total) * 100).toFixed(1);
            resolve({
                count,
                free,
                used: 100 - free,
            });
        }, 500);
    });
}
exports.cpu = cpu;
async function getCPUInfo() {
    const cpus = os.cpus();
    let user = 0;
    let nice = 0;
    let sys = 0;
    let idle = 0;
    let irq = 0;
    let total = 0;
    for (const cpu in cpus) {
        if (!cpus.hasOwnProperty(cpu))
            continue;
        user += cpus[cpu].times.user;
        nice += cpus[cpu].times.nice;
        sys += cpus[cpu].times.sys;
        irq += cpus[cpu].times.irq;
        idle += cpus[cpu].times.idle;
    }
    total = user + nice + sys + idle + irq;
    return {
        idle,
        total,
    };
}
async function getCPUCount() {
    try {
        return +(await execa_1.default `cat /proc/cpuinfo | grep processor | wc -l`);
    }
    catch (error) {
        return -1;
    }
}
exports.getCPUCount = getCPUCount;