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test: harden the tick sampling logic #32190

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test: harden the tick sampling logic #32190

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fce36cf
test: harden the tick sampling logic
HarshithaKP Mar 11, 2020
417f5a3
fixup: address review comment
HarshithaKP Mar 13, 2020
d9b54c0
fixup: address review comment
HarshithaKP Mar 14, 2020
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11 changes: 6 additions & 5 deletions test/sequential/test-worker-prof.js
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Expand Up @@ -11,6 +11,7 @@ const { spawnSync } = require('child_process');
// Refs: https://github.com/nodejs/node/issues/24016

if (process.argv[2] === 'child') {
const fs = require('fs');
let files = fs.readdirSync(tmpdir.path);
const plog = files.filter((name) => /\.log$/.test(name))[0];
if (plog === undefined) {
Expand All @@ -19,20 +20,20 @@ if (process.argv[2] === 'child') {
}
const pingpong = `
let counter = 0;
const fs = require('fs');
const { Worker, parentPort } = require('worker_threads');
parentPort.on('message', (m) => {
if (counter++ === 1024)
if (counter++ === 10)
process.exit(0);
parentPort.postMessage(
m.toString().split('').reverse().toString().replace(/,/g, ''));
fs.readFileSync(m.toString()).toString());
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});
`;

const { Worker } = require('worker_threads');
const data = 'x'.repeat(1024);
const w = new Worker(pingpong, { eval: true });
w.on('message', (m) => {
w.postMessage(m.toString().split('').reverse().toString().replace(/,/g, ''));
w.postMessage(process.execPath);
});

w.on('exit', common.mustCall(() => {
Expand All @@ -45,7 +46,7 @@ if (process.argv[2] === 'child') {
}
process.exit(0);
}));
w.postMessage(data);
w.postMessage(process.execPath);
} else {
tmpdir.refresh();
const spawnResult = spawnSync(
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