nodejs/test/parallel/test-trace-events-metadata.js

77 lines
2.9 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const fs = require('fs');
const path = require('path');
const CODE =
'setTimeout(() => { for (let i = 0; i < 100000; i++) { "test" + i } }, 1);' +
'process.title = "foo"';
const tmpdir = require('../common/tmpdir');
tmpdir.refresh();
const FILE_NAME = path.join(tmpdir.path, 'node_trace.1.log');
const proc = cp.spawn(process.execPath,
[ '--trace-event-categories', 'node.perf.usertiming',
'--title=bar',
'-e', CODE ],
{ cwd: tmpdir.path });
proc.once('exit', common.mustCall(() => {
assert(fs.existsSync(FILE_NAME));
fs.readFile(FILE_NAME, common.mustCall((err, data) => {
const traces = JSON.parse(data.toString()).traceEvents
.filter((trace) => trace.cat === '__metadata');
assert(traces.length > 0);
assert(traces.some((trace) =>
trace.name === 'thread_name' &&
trace.args.name === 'JavaScriptMainThread'));
assert(traces.some((trace) =>
trace.name === 'thread_name' &&
trace.args.name === 'PlatformWorkerThread'));
assert(traces.some((trace) =>
trace.name === 'version' &&
trace.args.node === process.versions.node));
assert(traces.some((trace) =>
trace.name === 'node' &&
trace.args.process.versions.http_parser ===
process.versions.http_parser &&
trace.args.process.versions.llhttp ===
process.versions.llhttp &&
trace.args.process.versions.node ===
process.versions.node &&
trace.args.process.versions.v8 ===
process.versions.v8 &&
trace.args.process.versions.uv ===
process.versions.uv &&
trace.args.process.versions.zlib ===
process.versions.zlib &&
trace.args.process.versions.ares ===
process.versions.ares &&
trace.args.process.versions.modules ===
process.versions.modules &&
trace.args.process.versions.nghttp2 ===
process.versions.nghttp2 &&
trace.args.process.versions.napi ===
process.versions.napi &&
trace.args.process.versions.openssl ===
process.versions.openssl &&
trace.args.process.arch === process.arch &&
trace.args.process.platform === process.platform &&
trace.args.process.release.name === process.release.name &&
(!process.release.lts ||
trace.args.process.release.lts === process.release.lts)));
if (!common.isSunOS && !common.isIBMi) {
// Changing process.title is currently unsupported on SunOS/SmartOS
// and IBMi
assert(traces.some((trace) =>
trace.name === 'process_name' && trace.args.name === 'foo'));
assert(traces.some((trace) =>
trace.name === 'process_name' && trace.args.name === 'bar'));
}
}));
}));