diff --git a/test/js/web/timers/performance-entries.test.ts b/test/js/web/timers/performance-entries.test.ts
new file mode 100644
index 00000000000000..bfc297cc1a84ce
--- /dev/null
+++ b/test/js/web/timers/performance-entries.test.ts
@@ -0,0 +1,17 @@
+import { expect, test } from "bun:test";
+import { estimateShallowMemoryUsageOf } from "bun:jsc";
+
+test("memory usage of Performance", () => {
+  const initial = estimateShallowMemoryUsageOf(performance);
+  for (let i = 0; i < 1024; i++) {
+    performance.mark(`mark-${i}`);
+  }
+  const final = estimateShallowMemoryUsageOf(performance);
+
+  for (let i = 1; i < 1024; i++) {
+    performance.measure(`measure-${i}`, `mark-${i}`, `mark-${i - 1}`);
+  }
+  const final2 = estimateShallowMemoryUsageOf(performance);
+  expect(final2).toBeGreaterThan(final);
+  expect(final).toBeGreaterThan(initial);
+});