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test-trace-events-threadpool.js
49 lines (42 loc) · 1.37 KB
/
test-trace-events-threadpool.js
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'use strict';
const common = require('../common');
const assert = require('assert');
const cp = require('child_process');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
if (!common.hasCrypto)
common.skip('missing crypto');
const { hkdf } = require('crypto');
const { deflate } = require('zlib');
const { Blob } = require('buffer');
if (process.env.isChild === '1') {
hkdf('sha512', 'key', 'salt', 'info', 64, () => {});
deflate('hello', () => {});
// Make async call
const blob = new Blob(['h'.repeat(4096 * 2)]);
blob.arrayBuffer();
return;
}
tmpdir.refresh();
const FILE_NAME = path.join(tmpdir.path, 'node_trace.1.log');
cp.spawnSync(process.execPath,
[
'--trace-events-enabled',
'--trace-event-categories', 'node.threadpool',
__filename,
],
{
cwd: tmpdir.path,
env: {
...process.env,
isChild: '1',
},
});
assert(fs.existsSync(FILE_NAME));
const data = fs.readFileSync(FILE_NAME);
const traces = JSON.parse(data.toString()).traceEvents;
assert(traces.length > 0);
const count = traces.filter((trace) => trace.cat === 'node,node.threadpool').length;
// There are three types, each type has two events at least
assert.strictEqual(count > 3 * 2, true);