From f31c90f539fe1b14ec56c94cfc63df2aaf4c1e2b Mon Sep 17 00:00:00 2001 From: Zhengyu Gu Date: Tue, 29 Jun 2021 11:44:38 +0000 Subject: [PATCH] 8268699: Shenandoah: Add test for JDK-8268127 Backport-of: e59acd9860ca9e50c91472f8215f73c17d2099b6 --- .../options/TestLargePagesWithSmallHeap.java | 71 +++++++++++++++++++ 1 file changed, 71 insertions(+) create mode 100644 test/hotspot/jtreg/gc/shenandoah/options/TestLargePagesWithSmallHeap.java diff --git a/test/hotspot/jtreg/gc/shenandoah/options/TestLargePagesWithSmallHeap.java b/test/hotspot/jtreg/gc/shenandoah/options/TestLargePagesWithSmallHeap.java new file mode 100644 index 00000000000..7c2d6577734 --- /dev/null +++ b/test/hotspot/jtreg/gc/shenandoah/options/TestLargePagesWithSmallHeap.java @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2021, Red Hat, Inc. 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 id=default + * @requires vm.gc.Shenandoah + * @bug 8268127 + * @summary when heap is too small for regions to align to large page size, should fallback to regular page size + * + * @run main/othervm -XX:+UseShenandoahGC -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -Xms17m TestLargePagesWithSmallHeap + * + * @run main/othervm -XX:+UseShenandoahGC -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -Xms17m TestLargePagesWithSmallHeap + */ + +/* + * @test id=lp + * @requires vm.gc.Shenandoah + * + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m TestLargePagesWithSmallHeap + * + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseLargePages -Xms17m TestLargePagesWithSmallHeap + */ + +/* + * @test id=thp + * @requires vm.gc.Shenandoah + * @requires os.family == "linux" + * + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m TestLargePagesWithSmallHeap + * + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xmx17m TestLargePagesWithSmallHeap + * @run main/othervm -XX:+UseShenandoahGC -XX:+UseTransparentHugePages -Xms17m TestLargePagesWithSmallHeap + */ + +public class TestLargePagesWithSmallHeap { + public static void main(String[] args) { + // Everything is checked on initialization + } +}