177 lines
7.6 KiB
Java
177 lines
7.6 KiB
Java
/*
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* Copyright (c) 2022 SAP SE. All rights reserved.
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* Copyright (c) 2022, 2023, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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/*
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* @test id=global-limit-fatal
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* @summary Verify -XX:MallocLimit with a global limit
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest global-limit-fatal
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*/
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/*
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* @test id=global-limit-oom
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* @summary Verify -XX:MallocLimit with a global limit
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest global-limit-oom
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*/
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/*
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* @test id=compiler-limit-fatal
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* @summary Verify -XX:MallocLimit with a compiler-specific limit (for "mtCompiler" category)
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest compiler-limit-fatal
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*/
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/*
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* @test id=compiler-limit-oom
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* @summary Verify -XX:MallocLimit with a compiler-specific limit (for "mtCompiler" category)
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest compiler-limit-oom
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*/
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/*
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* @test id=multi-limit
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* @summary Verify -XX:MallocLimit with multiple limits
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest multi-limit
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*/
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/*
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* @test id=limit-without-nmt
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* @summary Verify that the VM warns if -XX:MallocLimit is given but NMT is disabled
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* @requires vm.flagless
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* @modules java.base/jdk.internal.misc
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* @library /test/lib
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* @run driver MallocLimitTest limit-without-nmt
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*/
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import jdk.test.lib.Asserts;
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import jdk.test.lib.process.OutputAnalyzer;
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import jdk.test.lib.process.ProcessTools;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.List;
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public class MallocLimitTest {
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private static ProcessBuilder processBuilderWithSetting(String... extraSettings) {
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List<String> args = new ArrayList<>();
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args.add("-XX:+UnlockDiagnosticVMOptions"); // MallocLimit is diagnostic
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args.add("-Xmx64m");
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args.add("-XX:-CreateCoredumpOnCrash");
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args.add("-Xlog:nmt");
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args.add("-XX:NativeMemoryTracking=summary");
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args.addAll(Arrays.asList(extraSettings));
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args.add("-version");
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ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder(args);
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return pb;
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}
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private static void testGlobalLimitFatal() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:MallocLimit=1m");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain("[nmt] MallocLimit: total limit: 1024K (fatal)");
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output.shouldMatch("# fatal error: MallocLimit: reached global limit \\(triggering allocation size: \\d+[BKM], allocated so far: \\d+[BKM], limit: 1024K\\)");
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}
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private static void testGlobalLimitOOM() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:MallocLimit=1m:oom");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain("[nmt] MallocLimit: total limit: 1024K (oom)");
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output.shouldMatch(".*\\[warning\\]\\[nmt\\] MallocLimit: reached global limit \\(triggering allocation size: \\d+[BKM], allocated so far: \\d+[BKM], limit: 1024K\\)");
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// The rest is fuzzy. We may get SIGSEGV or a native OOM message, depending on how the failing allocation was handled.
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}
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private static void testCompilerLimitFatal() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:MallocLimit=compiler:1234k", "-Xcomp");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain("[nmt] MallocLimit: category \"mtCompiler\" limit: 1234K (fatal)");
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output.shouldMatch("# fatal error: MallocLimit: reached category \"mtCompiler\" limit \\(triggering allocation size: \\d+[BKM], allocated so far: \\d+[BKM], limit: 1234K\\)");
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}
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private static void testCompilerLimitOOM() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:MallocLimit=compiler:1234k:oom", "-Xcomp");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain("[nmt] MallocLimit: category \"mtCompiler\" limit: 1234K (oom)");
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output.shouldMatch(".*\\[warning\\]\\[nmt\\] MallocLimit: reached category \"mtCompiler\" limit \\(triggering allocation size: \\d+[BKM], allocated so far: \\d+[BKM], limit: 1234K\\)");
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// The rest is fuzzy. We may get SIGSEGV or a native OOM message, depending on how the failing allocation was handled.
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}
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private static void testMultiLimit() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:MallocLimit=other:2g,compiler:1g:oom,internal:1k");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldNotHaveExitValue(0);
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output.shouldContain("[nmt] MallocLimit: category \"mtCompiler\" limit: 1024M (oom)");
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output.shouldContain("[nmt] MallocLimit: category \"mtInternal\" limit: 1024B (fatal)");
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output.shouldContain("[nmt] MallocLimit: category \"mtOther\" limit: 2048M (fatal)");
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output.shouldMatch("# fatal error: MallocLimit: reached category \"mtInternal\" limit \\(triggering allocation size: \\d+[BKM], allocated so far: \\d+[BKM], limit: 1024B\\)");
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}
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private static void testLimitWithoutNmt() throws IOException {
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ProcessBuilder pb = processBuilderWithSetting("-XX:NativeMemoryTracking=off", // overrides "summary" from processBuilderWithSetting()
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"-XX:MallocLimit=3g");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.reportDiagnosticSummary();
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output.shouldHaveExitValue(0); // Not a fatal error, just a warning
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output.shouldContain("MallocLimit will be ignored since NMT is disabled");
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}
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public static void main(String args[]) throws Exception {
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if (args[0].equals("global-limit-fatal")) {
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testGlobalLimitFatal();
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} else if (args[0].equals("global-limit-oom")) {
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testGlobalLimitOOM();
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} else if (args[0].equals("compiler-limit-fatal")) {
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testCompilerLimitFatal();
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} else if (args[0].equals("compiler-limit-oom")) {
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testCompilerLimitOOM();
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} else if (args[0].equals("multi-limit")) {
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testMultiLimit();
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} else if (args[0].equals("limit-without-nmt")) {
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testLimitWithoutNmt();
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} else {
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throw new RuntimeException("invalid test: " + args[0]);
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}
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}
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}
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