55 lines
2.3 KiB
Java
55 lines
2.3 KiB
Java
/*
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* Copyright (c) 2017, 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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import jdk.test.lib.process.ProcessTools;
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import jdk.test.lib.process.OutputAnalyzer;
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/**
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* @test
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* @summary If #processors > 1024 os_linux.cpp uses special coding.
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* Excercise this by forcing usage of this coding. If this fails, this
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* VM was either compiled on a platform which does not define CPU_ALLOC,
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* or it is executed on a platform that does not support it.
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* @requires os.family == "linux"
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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 TestUseCpuAllocPath
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*/
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public class TestUseCpuAllocPath {
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static final String SUCCESS_STRING = "active_processor_count: using dynamic path (forced)";
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public static void main(String[] args) throws Exception {
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ProcessBuilder pb =
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ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:os=trace",
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"-XX:+UnlockDiagnosticVMOptions",
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"-XX:+UseCpuAllocPath",
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"-version");
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OutputAnalyzer output = new OutputAnalyzer(pb.start());
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output.shouldHaveExitValue(0);
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output.shouldContain(SUCCESS_STRING);
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}
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}
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