jdk/test/hotspot/jtreg/runtime/logging/GenerateOopMapTest.java
Coleen Phillimore 446fb203b2 8379015: Convert TraceNewOopMapGeneration to unified logging
Reviewed-by: dholmes, matsaave
2026-03-18 16:07:41 +00:00

85 lines
3.6 KiB
Java

/*
* Copyright (c) 2026, 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.
*
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/*
* @test GenerateOopMap
* @bug 8379015
* @requires vm.flagless
* @modules java.base/jdk.internal.misc
* @library /test/lib
* @run driver GenerateOopMapTest
*/
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
import jdk.test.lib.Platform;
public class GenerateOopMapTest {
static String infoPattern = "[generateoopmap]";
static String debugPattern = "[generateoopmap] Basicblock#0 begins at:";
static String tracePattern = "[trace][generateoopmap] 5 vars = 'r' stack = 'v' monitors = '' \tifne";
static String traceDetailPattern = "[generateoopmap] 0 vars = ( r |slot0) invokestatic()V";
static void test() throws Exception {
// Don't print much with info level.
ProcessBuilder pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=info",
"GenerateOopMapTest", "test");
OutputAnalyzer o = new OutputAnalyzer(pb.start());
o.shouldNotContain(infoPattern).shouldHaveExitValue(0);
// Prints bytecodes and BasicBlock information in debug.
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=debug",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(debugPattern).shouldHaveExitValue(0);
// Prints ref/val for each bytecode in trace.
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(tracePattern).shouldHaveExitValue(0);
// Prints extra stuff with detailed. Not sure how useful this is but keep it for now.
if (Platform.isDebugBuild()) {
pb = ProcessTools.createLimitedTestJavaProcessBuilder("-Xlog:generateoopmap=trace",
"-XX:+Verbose",
"GenerateOopMapTest", "test");
o = new OutputAnalyzer(pb.start());
o.shouldContain(traceDetailPattern).shouldHaveExitValue(0);
}
};
public static void main(String... args) throws Exception {
System.gc();
if (args.length == 0) {
test();
}
}
}