| Current File : //lib/node_modules/pm2/node_modules/@pm2/io/build/main/src/metrics/v8.js |
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const v8 = require("v8");
const module_1 = require("../utils/module");
const metricConfig_1 = require("../utils/metricConfig");
const debug_1 = require("debug");
const debug = debug_1.default('axm:v8');
class V8Metric {
constructor(metricFeature) {
this.unitKB = 'kB';
this.allPossibleMetrics = {
new_space: {
name: 'New space used size',
type: 'internal/v8/heap/space/new',
unit: this.unitKB,
historic: true
},
old_space: {
name: 'Old space used size',
type: 'internal/v8/heap/space/old',
unit: this.unitKB,
historic: true
},
map_space: {
name: 'Map space used size',
type: 'internal/v8/heap/space/map',
unit: this.unitKB,
historic: false
},
code_space: {
name: 'Code space used size',
type: 'internal/v8/heap/space/code',
unit: this.unitKB,
historic: false
},
large_object_space: {
name: 'Large object space used size',
type: 'internal/v8/heap/space/large',
unit: this.unitKB,
historic: false
},
total_physical_size: {
name: 'Heap physical size',
type: 'internal/v8/heap/physical',
unit: 'kB',
historic: false
},
total_heap_size: {
name: 'Heap size',
type: 'internal/v8/heap/used',
unit: 'kB',
historic: true
},
total_available_size: {
name: 'Heap available size',
type: 'internal/v8/heap/available',
unit: 'kB',
historic: true
},
total_heap_size_executable: {
name: 'Heap size executable',
type: 'internal/v8/heap/executable',
unit: this.unitKB,
historic: false
},
used_heap_size: {
name: 'Used heap size',
type: 'internal/v8/heap/used',
unit: this.unitKB,
historic: true
},
heap_size_limit: {
name: 'Heap size limit',
type: 'internal/v8/heap/limit',
unit: this.unitKB,
historic: true
},
malloced_memory: {
name: 'Malloced memory',
type: 'internal/v8/heap/malloced',
unit: this.unitKB,
historic: false
},
peak_malloced_memory: {
name: 'Peak malloced memory',
type: 'internal/v8/heap/peakmalloced',
unit: this.unitKB,
historic: false
},
does_zap_garbage: {
name: 'Zap garbage',
type: 'internal/v8/heap/zapgarbage',
unit: '',
historic: false
}
};
this.allPossibleMetricsGC = {
totalHeapSize: {
name: 'GC Heap size',
type: 'internal/v8/gc/heap/size',
unit: this.unitKB,
historic: true
},
totalHeapExecutableSize: {
name: 'GC Executable heap size',
type: 'internal/v8/gc/heap/executable',
unit: this.unitKB,
historic: false
},
usedHeapSize: {
name: 'GC Used heap size',
type: 'internal/v8/gc/heap/used',
unit: this.unitKB,
historic: true
},
heapSizeLimit: {
name: 'GC heap size limit',
type: 'internal/v8/gc/heap/limit',
unit: this.unitKB,
historic: false
},
totalPhysicalSize: {
name: 'GC physical size',
type: 'internal/v8/gc/heap/physical',
unit: this.unitKB,
historic: false
},
totalAvailableSize: {
name: 'GC available size',
type: 'internal/v8/gc/heap/available',
unit: this.unitKB,
historic: false
},
mallocedMemory: {
name: 'GC malloced memory',
type: 'internal/v8/gc/heap/malloced',
unit: this.unitKB,
historic: false
},
peakMallocedMemory: {
name: 'GC peak malloced memory',
type: 'internal/v8/gc/heap/peakmalloced',
unit: this.unitKB,
historic: false
},
gcType: {
name: 'GC Type',
type: 'internal/v8/gc/type',
historic: false
},
gcPause: {
name: 'GC Pause',
type: 'internal/v8/gc/pause',
unit: 'ms',
historic: false
}
};
this.defaultConf = {
new_space: true,
old_space: true,
map_space: true,
code_space: true,
large_object_space: true,
total_heap_size: true,
total_heap_size_executable: true,
used_heap_size: true,
heap_size_limit: true,
GC: {
totalHeapSize: true,
totalHeapExecutableSize: true,
usedHeapSize: true,
gcType: true,
gcPause: true
}
};
this.TIME_INTERVAL = 1000;
this.metricFeature = metricFeature;
}
init(config) {
config = metricConfig_1.default.getConfig(config, this.defaultConf);
let heapProbes;
const self = this;
if (v8.hasOwnProperty('getHeapSpaceStatistics') && v8.hasOwnProperty('getHeapStatistics')) {
heapProbes = metricConfig_1.default.initProbes(this.allPossibleMetrics, config, this.metricFeature);
}
this.timer = setInterval(function () {
if (v8.hasOwnProperty('getHeapSpaceStatistics')) {
const data = v8.getHeapSpaceStatistics();
for (let i = 0; i < data.length; i++) {
const item = data[i];
if (heapProbes.hasOwnProperty(item.space_name)) {
heapProbes[item.space_name].set(Math.round(item.space_used_size / 1000));
}
}
}
if (v8.hasOwnProperty('getHeapStatistics')) {
const heapStats = v8.getHeapStatistics();
metricConfig_1.default.setProbesValue(this.allPossibleMetrics, heapStats, heapProbes, self.unitKB);
}
}.bind(this), this.TIME_INTERVAL);
this.timer.unref();
module_1.default.detectModule('gc-stats', (err, gcPath) => {
if (err) {
return false;
}
return this._sendGCStats(gcPath, config.GC);
});
}
destroy() {
clearInterval(this.timer);
}
_sendGCStats(gcPath, config) {
let gc;
try {
gc = (require(gcPath))();
}
catch (e) {
debug('error when requiring gc-stats on path', gcPath);
debug(e);
return false;
}
config = metricConfig_1.default.getConfig(config, this.defaultConf.GC);
const gcProbes = metricConfig_1.default.initProbes(this.allPossibleMetricsGC, config, this.metricFeature);
const self = this;
gc.on('stats', (stats) => {
metricConfig_1.default.setProbesValue(this.allPossibleMetricsGC, stats.after, gcProbes, self.unitKB);
gcProbes['gcType'].set(stats.gctype);
gcProbes['gcPause'].set(Math.round(stats.pause / 1000000)); // convert to milliseconds (cause pauseMs seems to use Math.floor)
});
}
}
exports.default = V8Metric;
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