jdk-24/test/hotspot/jtreg/serviceability/sa/ClhsdbScanOops.java
2022-02-02 21:51:39 +00:00

139 lines
5.1 KiB
Java

/*
* Copyright (c) 2017, 2022, 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 8192985
* @summary Test the clhsdb 'scanoops' command
* @requires vm.gc.Parallel
* @requires vm.hasSA
* @library /test/lib
* @run main/othervm/timeout=1200 ClhsdbScanOops UseParallelGC
*/
/**
* @test
* @bug 8192985
* @summary Test the clhsdb 'scanoops' command
* @requires vm.gc.Serial
* @requires vm.hasSA
* @library /test/lib
* @run main/othervm/timeout=1200 ClhsdbScanOops UseSerialGC
*/
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.ArrayList;
import jdk.test.lib.Utils;
import jdk.test.lib.apps.LingeredApp;
import jdk.test.lib.process.OutputAnalyzer;
import jtreg.SkippedException;
public class ClhsdbScanOops {
private static void testWithGcType(String gc) throws Exception {
LingeredApp theApp = null;
try {
ClhsdbLauncher test = new ClhsdbLauncher();
theApp = LingeredApp.startApp(gc);
System.out.println ("Started LingeredApp with the GC option " + gc +
" and pid " + theApp.getPid());
// Run the 'universe' command to get the address ranges
List<String> cmds = List.of("universe");
String universeOutput = test.run(theApp.getPid(), cmds, null, null);
cmds = new ArrayList<String>();
Map<String, List<String>> expStrMap = new HashMap<>();
Map<String, List<String>> unExpStrMap = new HashMap<>();
String startAddress;
String endAddress;
String[] snippets;
String[] words;
String cmd;
// Run scanoops on the old gen
if (gc.contains("UseParallelGC")) {
snippets = universeOutput.split("PSOldGen \\[ ");
} else {
snippets = universeOutput.split("old \\[");
}
words = snippets[1].split(",");
// Get the addresses for Old gen
startAddress = words[0].replace("[", "");
endAddress = words[1];
cmd = "scanoops " + startAddress + " " + endAddress;
String output1 = test.run(theApp.getPid(), List.of(cmd), null, null);
// Run scanoops on the eden gen
if (gc.contains("UseParallelGC")) {
snippets = universeOutput.split("eden = ");
} else {
snippets = universeOutput.split("eden \\[");
}
words = snippets[1].split(",");
// Get the addresses for Eden gen
startAddress = words[0].replace("[", "");
endAddress = words[1];
cmd = "scanoops " + startAddress + " " + endAddress;
String output2 = test.run(theApp.getPid(), List.of(cmd), null, null);
// Look for expected types in the combined eden and old gens
OutputAnalyzer out = new OutputAnalyzer(output1 + output2);
List<String> expectStrs = List.of(
"java/lang/Object", "java/lang/Class", "java/lang/Thread",
"java/lang/String", "\\[B", "\\[I");
for (String expectStr : expectStrs) {
out.shouldMatch(expectStr);
}
// Test the 'type' option also:
// scanoops <start addr> <end addr> java/lang/String
// Ensure that only the java/lang/String oops are printed.
cmd = cmd + " java/lang/String";
expStrMap.put(cmd, List.of("java/lang/String"));
unExpStrMap.put(cmd, List.of("java/lang/Thread", "java/lang/Class", "java/lang/Object"));
test.run(theApp.getPid(), List.of(cmd), expStrMap, unExpStrMap);
} catch (SkippedException e) {
throw e;
} catch (Exception ex) {
throw new RuntimeException("Test ERROR " + ex, ex);
} finally {
LingeredApp.stopApp(theApp);
}
}
public static void main(String[] args) throws Exception {
String gc = args[0];
System.out.println("Starting the ClhsdbScanOops test");
testWithGcType("-XX:+" + gc);
System.out.println("Test PASSED");
}
}