mirror of https://gitee.com/openkylin/nodejs.git
32 lines
1.1 KiB
JavaScript
32 lines
1.1 KiB
JavaScript
'use strict';
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const common = require('../common');
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const assert = require('assert');
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const cp = require('child_process');
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const fs = require('fs');
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const { isMainThread } = require('worker_threads');
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if (isMainThread) {
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const CODE = 'const { Worker } = require(\'worker_threads\'); ' +
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`new Worker('${__filename.replace(/\\/g, '/')}')`;
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const FILE_NAME = 'node_trace.1.log';
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const tmpdir = require('../common/tmpdir');
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tmpdir.refresh();
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process.chdir(tmpdir.path);
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const proc = cp.spawn(process.execPath,
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[ '--trace-event-categories', 'node',
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'-e', CODE ]);
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proc.once('exit', common.mustCall(() => {
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assert(fs.existsSync(FILE_NAME));
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fs.readFile(FILE_NAME, common.mustCall((err, data) => {
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const traces = JSON.parse(data.toString()).traceEvents;
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assert(traces.length > 0);
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assert(traces.some((trace) =>
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trace.cat === '__metadata' && trace.name === 'thread_name' &&
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trace.args.name === 'WorkerThread 1'));
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}));
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}));
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} else {
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// Do nothing here.
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}
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