the-tip-top-backend/node_modules/prom-client/lib/metrics/osMemoryHeap.js

39 lines
1.1 KiB
JavaScript
Executable File

'use strict';
const Gauge = require('../gauge');
const linuxVariant = require('./osMemoryHeapLinux');
const safeMemoryUsage = require('./helpers/safeMemoryUsage');
const PROCESS_RESIDENT_MEMORY = 'process_resident_memory_bytes';
function notLinuxVariant(registry, config = {}) {
const namePrefix = config.prefix ? config.prefix : '';
const labels = config.labels ? config.labels : {};
const labelNames = Object.keys(labels);
new Gauge({
name: namePrefix + PROCESS_RESIDENT_MEMORY,
help: 'Resident memory size in bytes.',
registers: registry ? [registry] : undefined,
labelNames,
collect() {
const memUsage = safeMemoryUsage();
// I don't think the other things returned from `process.memoryUsage()` is relevant to a standard export
if (memUsage) {
this.set(labels, memUsage.rss);
}
},
});
}
module.exports = (registry, config) =>
process.platform === 'linux'
? linuxVariant(registry, config)
: notLinuxVariant(registry, config);
module.exports.metricNames =
process.platform === 'linux'
? linuxVariant.metricNames
: [PROCESS_RESIDENT_MEMORY];