| /* |
| * Copyright (c) 2014, 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 |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6898462 |
| * @summary failed reallocations of scalar replaced objects during deoptimization causes crash |
| * @run main/othervm -XX:-BackgroundCompilation -XX:CompileCommand=exclude,TestDeoptOOM::main -XX:CompileCommand=exclude,TestDeoptOOM::m9_1 -Xmx128M TestDeoptOOM |
| * |
| */ |
| |
| public class TestDeoptOOM { |
| |
| long f1; |
| long f2; |
| long f3; |
| long f4; |
| long f5; |
| |
| static class LinkedList { |
| LinkedList l; |
| long[] array; |
| LinkedList(LinkedList l, int size) { |
| array = new long[size]; |
| this.l = l; |
| } |
| } |
| |
| static LinkedList ll; |
| |
| static void consume_all_memory() { |
| int size = 128 * 1024 * 1024; |
| while(size > 0) { |
| try { |
| while(true) { |
| ll = new LinkedList(ll, size); |
| } |
| } catch(OutOfMemoryError oom) { |
| } |
| size = size / 2; |
| } |
| } |
| |
| static void free_memory() { |
| ll = null; |
| } |
| |
| static TestDeoptOOM m1(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (deopt) { |
| return tdoom; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m1"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m2_1(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (deopt) { |
| return tdoom; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m2_1"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m2(boolean deopt) { |
| try { |
| return m2_1(deopt); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m2"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m3_3(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (deopt) { |
| return tdoom; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m3_3"); |
| } |
| return null; |
| } |
| |
| static boolean m3_2(boolean deopt) { |
| try { |
| return m3_3(deopt) != null; |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m3_2"); |
| } |
| return false; |
| } |
| |
| static TestDeoptOOM m3_1(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (m3_2(deopt)) { |
| return tdoom; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m3_1"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m3(boolean deopt) { |
| try { |
| return m3_1(deopt); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m3"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m4(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (deopt) { |
| tdoom.f1 = 1l; |
| tdoom.f2 = 2l; |
| tdoom.f3 = 3l; |
| return tdoom; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m4"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m5(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| synchronized(tdoom) { |
| if (deopt) { |
| return tdoom; |
| } |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m5"); |
| } |
| return null; |
| } |
| |
| synchronized TestDeoptOOM m6_1(boolean deopt) { |
| if (deopt) { |
| return this; |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m6(boolean deopt) { |
| try { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| return tdoom.m6_1(deopt); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m6"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m7_1(boolean deopt, Object lock) { |
| try { |
| synchronized(lock) { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| if (deopt) { |
| return tdoom; |
| } |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m7_1"); |
| } |
| return null; |
| } |
| |
| static TestDeoptOOM m7(boolean deopt, Object lock) { |
| try { |
| return m7_1(deopt, lock); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m7"); |
| } |
| return null; |
| } |
| |
| static class A { |
| long f1; |
| long f2; |
| long f3; |
| long f4; |
| long f5; |
| } |
| |
| static class B { |
| long f1; |
| long f2; |
| long f3; |
| long f4; |
| long f5; |
| |
| A a; |
| } |
| |
| static B m8(boolean deopt) { |
| try { |
| A a = new A(); |
| B b = new B(); |
| b.a = a; |
| if (deopt) { |
| return b; |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m8"); |
| } |
| return null; |
| } |
| |
| static void m9_1(int i) { |
| if (i > 90000) { |
| consume_all_memory(); |
| } |
| } |
| |
| static TestDeoptOOM m9() { |
| try { |
| for (int i = 0; i < 100000; i++) { |
| TestDeoptOOM tdoom = new TestDeoptOOM(); |
| m9_1(i); |
| if (i > 90000) { |
| return tdoom; |
| } |
| } |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in m1"); |
| } |
| return null; |
| } |
| |
| public static void main(String[] args) { |
| for (int i = 0; i < 20000; i++) { |
| m1(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m1(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main " + oom.getMessage()); |
| } |
| |
| free_memory(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m2(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m2(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m3(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m3(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m4(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m4(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m5(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m5(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m6(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m6(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| final Object lock = new Object(); |
| |
| for (int i = 0; i < 20000; i++) { |
| m7(false, lock); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m7(true, lock); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| Thread thread = new Thread() { |
| public void run() { |
| System.out.println("Acquiring lock"); |
| synchronized(lock) { |
| System.out.println("Lock acquired"); |
| } |
| System.out.println("Lock released"); |
| } |
| }; |
| thread.start(); |
| try { |
| thread.join(); |
| } catch(InterruptedException ie) { |
| } |
| |
| for (int i = 0; i < 20000; i++) { |
| m8(false); |
| } |
| |
| consume_all_memory(); |
| |
| try { |
| m8(true); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| |
| try { |
| m9(); |
| } catch(OutOfMemoryError oom) { |
| free_memory(); |
| System.out.println("OOM caught in main"); |
| } |
| |
| free_memory(); |
| } |
| } |
