153 lines
12 KiB
JavaScript
153 lines
12 KiB
JavaScript
'use strict';
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Object.defineProperty(exports, "__esModule", { value: true });
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const metrics_1 = require("../services/metrics");
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const serviceManager_1 = require("../serviceManager");
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const Debug = require("debug");
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const histogram_1 = require("../utils/metrics/histogram");
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class RuntimeMetricsOptions {
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}
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exports.RuntimeMetricsOptions = RuntimeMetricsOptions;
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const defaultOptions = {
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gcNewPause: true,
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gcOldPause: true,
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pageFaults: true,
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contextSwitchs: true
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};
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class RuntimeMetrics {
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constructor() {
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this.logger = Debug('axm:features:metrics:runtime');
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this.metrics = new Map();
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}
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init(config) {
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if (config === false)
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return;
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if (config === undefined) {
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config = defaultOptions;
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}
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if (config === true) {
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config = defaultOptions;
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}
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this.metricService = serviceManager_1.ServiceManager.get('metrics');
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if (this.metricService === undefined)
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return this.logger('Failed to load metric service');
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this.runtimeStatsService = serviceManager_1.ServiceManager.get('runtimeStats');
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if (this.runtimeStatsService === undefined)
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return this.logger('Failed to load runtime stats service');
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this.logger('init');
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const newHistogram = new histogram_1.default();
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if (config.gcNewPause === true) {
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this.metricService.registerMetric({
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name: 'GC New Space Pause',
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id: 'internal/v8/gc/new/pause/p50',
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type: metrics_1.MetricType.histogram,
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historic: true,
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implementation: newHistogram,
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unit: 'ms',
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handler: function () {
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const percentiles = this.implementation.percentiles([0.5]);
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return percentiles[0.5];
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}
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});
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this.metricService.registerMetric({
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name: 'GC New Space Pause p95',
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id: 'internal/v8/gc/new/pause/p95',
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type: metrics_1.MetricType.histogram,
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historic: true,
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implementation: newHistogram,
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unit: 'ms',
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handler: function () {
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const percentiles = this.implementation.percentiles([0.95]);
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return percentiles[0.95];
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}
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});
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}
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const oldHistogram = new histogram_1.default();
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if (config.gcOldPause === true) {
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this.metricService.registerMetric({
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name: 'GC Old Space Pause',
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id: 'internal/v8/gc/old/pause/p50',
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type: metrics_1.MetricType.histogram,
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historic: true,
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implementation: oldHistogram,
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unit: 'ms',
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handler: function () {
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const percentiles = this.implementation.percentiles([0.5]);
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return percentiles[0.5];
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}
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});
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this.metricService.registerMetric({
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name: 'GC Old Space Pause p95',
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id: 'internal/v8/gc/old/pause/p95',
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type: metrics_1.MetricType.histogram,
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historic: true,
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implementation: oldHistogram,
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unit: 'ms',
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handler: function () {
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const percentiles = this.implementation.percentiles([0.95]);
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return percentiles[0.95];
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}
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});
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}
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if (config.contextSwitchs === true) {
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const volontarySwitchs = this.metricService.histogram({
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name: 'Volontary CPU Context Switch',
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id: 'internal/uv/cpu/contextswitch/volontary',
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measurement: metrics_1.MetricMeasurements.mean
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});
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const inVolontarySwitchs = this.metricService.histogram({
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name: 'Involuntary CPU Context Switch',
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id: 'internal/uv/cpu/contextswitch/involontary',
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measurement: metrics_1.MetricMeasurements.mean
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});
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this.metrics.set('inVolontarySwitchs', inVolontarySwitchs);
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this.metrics.set('volontarySwitchs', volontarySwitchs);
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}
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if (config.pageFaults === true) {
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const softPageFault = this.metricService.histogram({
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name: 'Minor Page Fault',
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id: 'internal/uv/memory/pagefault/minor',
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measurement: metrics_1.MetricMeasurements.mean
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});
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const hardPageFault = this.metricService.histogram({
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name: 'Major Page Fault',
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id: 'internal/uv/memory/pagefault/major',
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measurement: metrics_1.MetricMeasurements.mean
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});
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this.metrics.set('softPageFault', softPageFault);
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this.metrics.set('hardPageFault', hardPageFault);
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}
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this.handle = (stats) => {
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if (typeof stats !== 'object' || typeof stats.gc !== 'object')
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return;
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newHistogram.update(stats.gc.newPause);
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oldHistogram.update(stats.gc.oldPause);
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if (typeof stats.usage !== 'object')
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return;
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const volontarySwitchs = this.metrics.get('volontarySwitchs');
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if (volontarySwitchs !== undefined) {
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volontarySwitchs.update(stats.usage.ru_nvcsw);
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}
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const inVolontarySwitchs = this.metrics.get('inVolontarySwitchs');
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if (inVolontarySwitchs !== undefined) {
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inVolontarySwitchs.update(stats.usage.ru_nivcsw);
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}
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const softPageFault = this.metrics.get('softPageFault');
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if (softPageFault !== undefined) {
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softPageFault.update(stats.usage.ru_minflt);
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}
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const hardPageFault = this.metrics.get('hardPageFault');
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if (hardPageFault !== undefined) {
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hardPageFault.update(stats.usage.ru_majflt);
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}
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};
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this.runtimeStatsService.on('data', this.handle);
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}
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destroy() {
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if (this.runtimeStatsService !== undefined) {
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this.runtimeStatsService.removeListener('data', this.handle);
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}
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this.logger('destroy');
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}
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}
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exports.default = RuntimeMetrics;
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