From e4860005dcbaceb783dd6ea2cb7cbc9972ce38fa Mon Sep 17 00:00:00 2001
From: Goetz Lindenmaier <goetz@openjdk.org>
Date: Mon, 18 Nov 2024 13:45:47 +0000
Subject: [PATCH] 8258734: jdk/jfr/event/oldobject/TestClassLoaderLeak.java
failed with "RuntimeException: Could not find class leak"
Backport-of: aefd4ac4a336f00c067bcb91b95472ccc9a6bf83
---
.../jdk/jfr/event/oldobject/TestClassLoaderLeak.java | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java b/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
index 51fd2e045f4..aa74c631389 100644
--- a/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
+++ b/test/jdk/jdk/jfr/event/oldobject/TestClassLoaderLeak.java
@@ -55,11 +55,14 @@ public class TestClassLoaderLeak {
r.enable(EventNames.OldObjectSample).withStackTrace().with("cutoff", "infinity");
r.start();
TestClassLoader testClassLoader = new TestClassLoader();
- for (Class<?> clazz : testClassLoader.loadClasses(OldObjects.MIN_SIZE / 20)) {
+ for (Class<?> clazz : testClassLoader.loadClasses(OldObjects.MIN_SIZE / 200)) {
// Allocate array to trigger sampling code path for interpreter / c1
- for (int i = 0; i < 20; i++) {
+ for (int i = 0; i < 200; i++) {
Object classArray = Array.newInstance(clazz, 20);
- Array.set(classArray, i, clazz.newInstance());
+ // No need to fill whole array
+ for (int j = 0; j < 5; j++) {
+ Array.set(classArray, j, clazz.getConstructors()[0].newInstance());
+ }
classObjects.add(classArray);
}
}
@@ -67,6 +70,7 @@ public class TestClassLoaderLeak {
List<RecordedEvent> events = Events.fromRecording(r);
Events.hasEvents(events);
for (RecordedEvent e : events) {
+ System.out.println(e);
RecordedObject object = e.getValue("object");
RecordedClass rc = object.getValue("type");
if (rc.getName().contains("TestClass")) {
--
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