jdk-24/test/hotspot/jtreg/serviceability/7170638/SDTProbesGNULinuxTest.java
2020-09-01 12:25:10 -07:00

77 lines
2.8 KiB
Java

/*
* Copyright (c) 2012, Red Hat, Inc.
* Copyright (c) 2020, 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 7170638
* @summary Test SDT probes available on GNU/Linux when DTRACE_ENABLED
* @requires os.family == "linux"
*
* @library /test/lib
* @run driver SDTProbesGNULinuxTest
*/
import jdk.test.lib.Utils;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jtreg.SkippedException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
public class SDTProbesGNULinuxTest {
public static void main(String[] args) throws Throwable {
{
var pb = ProcessTools.createJavaProcessBuilder(
"-XX:+ExtendedDTraceProbes",
"-version");
var oa = new OutputAnalyzer(pb.start());
// This test only matters when build with DTRACE_ENABLED.
if (oa.getExitValue() != 0) {
throw new SkippedException("Not build using DTRACE_ENABLED");
}
}
try (var libjvms = Files.walk(Paths.get(Utils.TEST_JDK))) {
libjvms.filter(p -> "libjvm.so".equals(p.getFileName().toString()))
.map(Path::toAbsolutePath)
.forEach(SDTProbesGNULinuxTest::testLibJvm);
}
}
private static void testLibJvm(Path libjvm) {
System.out.println("Testing " + libjvm);
// We could iterate over all SDT probes and test them individually
// with readelf -n, but older readelf versions don't understand them.
try {
ProcessTools.executeCommand("readelf", "-S", libjvm.toString())
.shouldHaveExitValue(0)
.stdoutShouldContain(".note.stapsd");
} catch (Throwable t) {
throw new Error(t);
}
}
}