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Mini Shell
Mini Shell
'use strict';
Object.defineProperty(exports, "__esModule", { value: true });
const metrics_1 = require("../services/metrics");
const serviceManager_1 = require("../serviceManager");
const Debug = require("debug");
const histogram_1 = require("../utils/metrics/histogram");
class RuntimeMetricsOptions {
}
exports.RuntimeMetricsOptions = RuntimeMetricsOptions;
const defaultOptions = {
gcNewPause: true,
gcOldPause: true,
pageFaults: true,
contextSwitchs: true
};
class RuntimeMetrics {
constructor() {
this.logger = Debug('axm:features:metrics:runtime');
this.metrics = new Map();
}
init(config) {
if (config === false)
return;
if (config === undefined) {
config = defaultOptions;
}
if (config === true) {
config = defaultOptions;
}
this.metricService = serviceManager_1.ServiceManager.get('metrics');
if (this.metricService === undefined)
return this.logger('Failed to load metric service');
this.runtimeStatsService = serviceManager_1.ServiceManager.get('runtimeStats');
if (this.runtimeStatsService === undefined)
return this.logger('Failed to load runtime stats service');
this.logger('init');
const newHistogram = new histogram_1.default();
if (config.gcNewPause === true) {
this.metricService.registerMetric({
name: 'GC New Space Pause',
id: 'internal/v8/gc/new/pause/p50',
type: metrics_1.MetricType.histogram,
historic: true,
implementation: newHistogram,
unit: 'ms',
handler: function () {
const percentiles = this.implementation.percentiles([0.5]);
return percentiles[0.5];
}
});
this.metricService.registerMetric({
name: 'GC New Space Pause p95',
id: 'internal/v8/gc/new/pause/p95',
type: metrics_1.MetricType.histogram,
historic: true,
implementation: newHistogram,
unit: 'ms',
handler: function () {
const percentiles = this.implementation.percentiles([0.95]);
return percentiles[0.95];
}
});
}
const oldHistogram = new histogram_1.default();
if (config.gcOldPause === true) {
this.metricService.registerMetric({
name: 'GC Old Space Pause',
id: 'internal/v8/gc/old/pause/p50',
type: metrics_1.MetricType.histogram,
historic: true,
implementation: oldHistogram,
unit: 'ms',
handler: function () {
const percentiles = this.implementation.percentiles([0.5]);
return percentiles[0.5];
}
});
this.metricService.registerMetric({
name: 'GC Old Space Pause p95',
id: 'internal/v8/gc/old/pause/p95',
type: metrics_1.MetricType.histogram,
historic: true,
implementation: oldHistogram,
unit: 'ms',
handler: function () {
const percentiles = this.implementation.percentiles([0.95]);
return percentiles[0.95];
}
});
}
if (config.contextSwitchs === true) {
const volontarySwitchs = this.metricService.histogram({
name: 'Volontary CPU Context Switch',
id: 'internal/uv/cpu/contextswitch/volontary',
measurement: metrics_1.MetricMeasurements.mean
});
const inVolontarySwitchs = this.metricService.histogram({
name: 'Involuntary CPU Context Switch',
id: 'internal/uv/cpu/contextswitch/involontary',
measurement: metrics_1.MetricMeasurements.mean
});
this.metrics.set('inVolontarySwitchs', inVolontarySwitchs);
this.metrics.set('volontarySwitchs', volontarySwitchs);
}
if (config.pageFaults === true) {
const softPageFault = this.metricService.histogram({
name: 'Minor Page Fault',
id: 'internal/uv/memory/pagefault/minor',
measurement: metrics_1.MetricMeasurements.mean
});
const hardPageFault = this.metricService.histogram({
name: 'Major Page Fault',
id: 'internal/uv/memory/pagefault/major',
measurement: metrics_1.MetricMeasurements.mean
});
this.metrics.set('softPageFault', softPageFault);
this.metrics.set('hardPageFault', hardPageFault);
}
this.handle = (stats) => {
if (typeof stats !== 'object' || typeof stats.gc !== 'object')
return;
newHistogram.update(stats.gc.newPause);
oldHistogram.update(stats.gc.oldPause);
if (typeof stats.usage !== 'object')
return;
const volontarySwitchs = this.metrics.get('volontarySwitchs');
if (volontarySwitchs !== undefined) {
volontarySwitchs.update(stats.usage.ru_nvcsw);
}
const inVolontarySwitchs = this.metrics.get('inVolontarySwitchs');
if (inVolontarySwitchs !== undefined) {
inVolontarySwitchs.update(stats.usage.ru_nivcsw);
}
const softPageFault = this.metrics.get('softPageFault');
if (softPageFault !== undefined) {
softPageFault.update(stats.usage.ru_minflt);
}
const hardPageFault = this.metrics.get('hardPageFault');
if (hardPageFault !== undefined) {
hardPageFault.update(stats.usage.ru_majflt);
}
};
this.runtimeStatsService.on('data', this.handle);
}
destroy() {
if (this.runtimeStatsService !== undefined) {
this.runtimeStatsService.removeListener('data', this.handle);
}
this.logger('destroy');
}
}
exports.default = RuntimeMetrics;
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
Zerion Mini Shell 1.0