diff --git a/test/parallel/test-worker-memory.js b/test/parallel/test-worker-memory.js
index 3c7627b02cbe43..c70f12c7b3f9c0 100644
--- a/test/parallel/test-worker-memory.js
+++ b/test/parallel/test-worker-memory.js
@@ -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(
@@ -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.