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8285773: Replace Algorithms.eatMemory(...) with WB.fullGC() in vmTestbase/gc/gctests/ReferencesGC/ReferencesGC.java

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Reviewed-by: tschatzl, kbarrett
This commit is contained in:
Leonid Mesnik 2022-04-29 19:33:41 +00:00
parent cd8709e8e0
commit 95d38bbd6b
1 changed files with 20 additions and 24 deletions

44
test/hotspot/jtreg/vmTestbase/gc/gctests/ReferencesGC/ReferencesGC.java

@ -1,5 +1,5 @@
/*
* Copyright (c) 2002, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2002, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -30,8 +30,12 @@
*
* @library /vmTestbase
* /test/lib
* @build jdk.test.whitebox.WhiteBox
* @run driver jdk.test.lib.helpers.ClassFileInstaller jdk.test.whitebox.WhiteBox
* @run main/othervm
* -XX:-UseGCOverheadLimit
* -Xbootclasspath/a:.
* -XX:+UnlockDiagnosticVMOptions
* -XX:+WhiteBoxAPI
* gc.gctests.ReferencesGC.ReferencesGC
* -range 200
* -ratio 0.9
@ -41,12 +45,11 @@
package gc.gctests.ReferencesGC;
import java.lang.ref.*;
import jdk.test.whitebox.WhiteBox;
import nsk.share.TestFailure;
import nsk.share.gc.Algorithms;
import nsk.share.gc.GC;
import nsk.share.gc.ThreadedGCTest;
import nsk.share.gc.gp.GarbageProducer;
import nsk.share.gc.gp.GarbageUtils;
import nsk.share.test.ExecutionController;
public class ReferencesGC extends ThreadedGCTest {
@ -87,7 +90,6 @@ public class ReferencesGC extends ThreadedGCTest {
WeakReference wr[] = new WeakReference[RANGE];
SoftReference sr[] = new SoftReference[RANGE];
PhantomReference phr[] = new PhantomReference[RANGE];
GarbageProducer gp = GarbageUtils.getArrayProducers().get(0);
int iter = 0;
@Override
@ -98,21 +100,16 @@ public class ReferencesGC extends ThreadedGCTest {
while (stresser.continueExecution()) {
int totalLive = 0;
try {
refq = new ReferenceQueue();
alive = new int[3];
wrong = new int[3];
for (int j = 0; j < RANGE; j++) {
holder[j] = new CircularLinkedList();
holder[j].addNelements(300);
wr[j] = new WeakReference(holder[j], refq);
sr[j] = new SoftReference(holder[j], refq);
phr[j] = new PhantomReference(holder[j], refq);
}
} catch (OutOfMemoryError oome) {
// we should just skip the test
// the other thread could eat all memory
continue;
refq = new ReferenceQueue();
alive = new int[3];
wrong = new int[3];
for (int j = 0; j < RANGE; j++) {
holder[j] = new CircularLinkedList();
holder[j].addNelements(300);
wr[j] = new WeakReference(holder[j], refq);
sr[j] = new SoftReference(holder[j], refq);
phr[j] = new PhantomReference(holder[j], refq);
}
for (int i = 0; i < RANGE; i++) {
@ -134,12 +131,11 @@ public class ReferencesGC extends ThreadedGCTest {
holder[i] = null;
}
Algorithms.eatMemory(stresser);
// WB.fullGC() is guaranteed to clear all kinds of weak references.
WhiteBox.getWhiteBox().fullGC();
if (!stresser.continueExecution()) {
break;
}
// At this point OOME was thrown and accordingly to spec
// all weak refs should be processed
long waitTime = System.currentTimeMillis() + finalizationMaxTime;
int totalQ = 0;