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8301326: Optimize compiler/uncommontrap/TestDeoptOOM.java test

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Reviewed-by: rcastanedalo, thartmann
This commit is contained in:
Axel Boldt-Christmas 2023-01-31 07:54:20 +00:00
parent 9cc0171ed5
commit cdb4ba9657
1 changed files with 15 additions and 10 deletions
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25
test/hotspot/jtreg/compiler/uncommontrap/TestDeoptOOM.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2014, 2021, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2014, 2023, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -67,19 +67,24 @@ public class TestDeoptOOM {
static LinkedList ll; static LinkedList ll;
static void consume_all_memory() { static void alloc_in_chunks(int size) {
int size = 128 * 1024 * 1024; try {
while(size > 0) { while(true) {
try { ll = new LinkedList(ll, size);
while(true) {
ll = new LinkedList(ll, size);
}
} catch(OutOfMemoryError oom) {
} }
size = size / 2; } catch(OutOfMemoryError oom) {
} }
} }
static void consume_all_memory() {
// O(MiB) allocations
alloc_in_chunks(1024*1024);
// O(KiB) allocations
alloc_in_chunks(1024);
// O(B) allocations
alloc_in_chunks(1);
}
static void free_memory() { static void free_memory() {
ll = null; ll = null;
} }