172 lines
13 KiB
JavaScript
172 lines
13 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const module_1 = require("../utils/module");
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const configuration_1 = require("../configuration");
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const serviceManager_1 = require("../serviceManager");
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const miscellaneous_1 = require("../utils/miscellaneous");
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const Debug = require("debug");
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class CurrentProfile {
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}
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class AddonProfiler {
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constructor() {
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this.profiler = null;
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this.modules = ['v8-profiler-node8', 'v8-profiler'];
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this.currentProfile = null;
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this.logger = Debug('axm:features:profiling:addon');
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}
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init() {
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for (const moduleName of this.modules) {
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let path = module_1.default.detectModule(moduleName);
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if (path === null)
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continue;
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let profiler = module_1.default.loadModule(moduleName);
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if (profiler instanceof Error)
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continue;
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this.profiler = profiler;
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break;
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}
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if (this.profiler === null) {
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configuration_1.default.configureModule({
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heapdump: false,
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'feature.profiler.heap_snapshot': false,
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'feature.profiler.heap_sampling': false,
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'feature.profiler.cpu_js': false
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});
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return this.logger(`Failed to require the profiler via addon, disabling profiling ...`);
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}
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this.logger('init');
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this.actionService = serviceManager_1.ServiceManager.get('actions');
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if (this.actionService === undefined) {
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return this.logger(`Fail to get action service`);
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}
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this.transport = serviceManager_1.ServiceManager.get('transport');
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if (this.transport === undefined) {
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return this.logger(`Fail to get transport service`);
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}
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configuration_1.default.configureModule({
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heapdump: true,
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'feature.profiler.heapsnapshot': true,
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'feature.profiler.heapsampling': false,
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'feature.profiler.cpu_js': true
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});
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this.register();
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}
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register() {
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if (this.actionService === undefined) {
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return this.logger(`Fail to get action service`);
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}
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this.logger('register');
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this.actionService.registerAction('km:heapdump', this.onHeapdump.bind(this));
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this.actionService.registerAction('km:cpu:profiling:start', this.onCPUProfileStart.bind(this));
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this.actionService.registerAction('km:cpu:profiling:stop', this.onCPUProfileStop.bind(this));
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}
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destroy() {
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this.logger('Addon Profiler destroyed !');
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if (this.profiler === null)
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return;
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this.profiler.deleteAllProfiles();
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}
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onCPUProfileStart(opts, cb) {
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if (typeof cb !== 'function') {
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cb = opts;
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opts = {};
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}
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if (typeof opts !== 'object' || opts === null) {
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opts = {};
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}
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if (this.currentProfile !== null) {
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return cb({
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err: 'A profiling is already running',
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success: false
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});
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}
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this.currentProfile = new CurrentProfile();
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this.currentProfile.uuid = miscellaneous_1.default.generateUUID();
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this.currentProfile.startTime = Date.now();
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this.currentProfile.initiated = typeof opts.initiated === 'string'
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? opts.initiated : 'manual';
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cb({ success: true, uuid: this.currentProfile.uuid });
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this.profiler.startProfiling();
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if (isNaN(parseInt(opts.timeout, 10)))
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return;
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const duration = parseInt(opts.timeout, 10);
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setTimeout(_ => {
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this.onCPUProfileStop(_ => {
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return;
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});
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}, duration);
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}
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onCPUProfileStop(cb) {
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if (this.currentProfile === null) {
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return cb({
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err: 'No profiling are already running',
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success: false
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});
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}
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if (this.transport === undefined) {
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return cb({
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err: 'No profiling are already running',
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success: false
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});
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}
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const profile = this.profiler.stopProfiling();
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const data = JSON.stringify(profile);
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cb({ success: true, uuid: this.currentProfile.uuid });
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this.transport.send('profilings', {
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uuid: this.currentProfile.uuid,
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duration: Date.now() - this.currentProfile.startTime,
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at: this.currentProfile.startTime,
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data,
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dump_file_size: data.length,
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success: true,
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initiated: this.currentProfile.initiated,
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type: 'cpuprofile',
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cpuprofile: true
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});
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this.currentProfile = null;
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}
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onHeapdump(opts, cb) {
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if (typeof cb !== 'function') {
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cb = opts;
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opts = {};
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}
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if (typeof opts !== 'object' || opts === null) {
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opts = {};
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}
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cb({ success: true });
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setTimeout(() => {
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const startTime = Date.now();
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this.takeSnapshot()
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.then((data) => {
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return this.transport.send('profilings', {
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data,
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at: startTime,
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initiated: typeof opts.initiated === 'string' ? opts.initiated : 'manual',
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duration: Date.now() - startTime,
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type: 'heapdump'
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});
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}).catch(err => {
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return cb({
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success: err.message,
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err: err
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});
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});
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}, 200);
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}
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takeSnapshot() {
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return new Promise((resolve, reject) => {
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const snapshot = this.profiler.takeSnapshot();
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snapshot.export((err, data) => {
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if (err) {
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reject(err);
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}
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else {
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resolve(data);
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}
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snapshot.delete();
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});
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});
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}
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}
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exports.default = AddonProfiler;
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