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test: add logging to test-worker-memory
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To help troubleshoot CI failures, add some logging.

Refs: #23277 (comment)

PR-URL: #23418
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Sakthipriyan Vairamani <thechargingvolcano@gmail.com>
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Trott authored and MylesBorins committed Nov 29, 2018
1 parent e9c7243 commit ad47ae7
Showing 1 changed file with 2 additions and 0 deletions.
2 changes: 2 additions & 0 deletions test/parallel/test-worker-memory.js
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ const numWorkers = +process.env.JOBS || require('os').cpus().length;
// Verify that a Worker's memory isn't kept in memory after the thread finishes.

function run(n, done) {
console.log(`run() called with n=${n} (numWorkers=${numWorkers})`);
if (n <= 0)
return done();
const worker = new Worker(
Expand All @@ -27,6 +28,7 @@ const startStats = process.memoryUsage();
let finished = 0;
for (let i = 0; i < numWorkers; ++i) {
run(60 / numWorkers, () => {
console.log(`done() called (finished=${finished})`);
if (++finished === numWorkers) {
const finishStats = process.memoryUsage();
// A typical value for this ratio would be ~1.15.
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