/*
* Copyright ( c ) 2005 , 2021 , 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 .
*/
import static jdk.test.lib.Asserts.assertTrue;
import static jdk.test.lib.Asserts.assertFalse;
import static jdk.test.lib.Asserts.fail;
import java.io.File;
import java.nio.file.Files;
import java.util.Arrays;
import java.util.List;
import jdk.test.lib.JDKToolLauncher;
import jdk.test.lib.Utils;
import jdk.test.lib.hprof.HprofParser;
import jdk.test.lib.process.OutputAnalyzer;
import jdk.test.lib.process.ProcessTools;
/*
* @ test id = Serial
* @ requires vm . gc . Serial
* @ summary Unit test for jmap utility ( Serial GC )
* @ key intermittent
* @ library / test / lib
* @ build jdk . test . lib . hprof . *
* @ build jdk . test . lib . hprof . model . *
* @ build jdk . test . lib . hprof . parser . *
* @ build jdk . test . lib . hprof . util . *
* @ run main / othervm / timeout = 240 - XX : + UseSerialGC BasicJMapTest
*/
/*
* @ test id = Parallel
* @ requires vm . gc . Parallel
* @ summary Unit test for jmap utility ( Parallel GC )
* @ key intermittent
* @ library / test / lib
* @ build jdk . test . lib . hprof . *
* @ build jdk . test . lib . hprof . model . *
* @ build jdk . test . lib . hprof . parser . *
* @ build jdk . test . lib . hprof . util . *
* @ run main / othervm / timeout = 240 - XX : + UseParallelGC BasicJMapTest
*/
/*
* @ test id = G1
* @ requires vm . gc . G1
* @ summary Unit test for jmap utility ( G1 GC )
* @ key intermittent
* @ library / test / lib
* @ build jdk . test . lib . hprof . *
* @ build jdk . test . lib . hprof . model . *
* @ build jdk . test . lib . hprof . parser . *
* @ build jdk . test . lib . hprof . util . *
* @ run main / othervm / timeout = 240 - XX : + UseG1GC BasicJMapTest
*/
/*
* @ test id = Shenandoah
* @ requires vm . gc . Shenandoah
* @ summary Unit test for jmap utility ( Shenandoah GC )
* @ key intermittent
* @ library / test / lib
* @ build jdk . test . lib . hprof . *
* @ build jdk . test . lib . hprof . model . *
* @ build jdk . test . lib . hprof . parser . *
* @ build jdk . test . lib . hprof . util . *
* @ run main / othervm / timeout = 240 - XX : + UseShenandoahGC BasicJMapTest
*/
/*
* @ test id = Z
* @ requires vm . gc . Z
* @ summary Unit test for jmap utility ( Z GC )
* @ key intermittent
* @ library / test / lib
* @ build jdk . test . lib . hprof . *
* @ build jdk . test . lib . hprof . model . *
* @ build jdk . test . lib . hprof . parser . *
* @ build jdk . test . lib . hprof . util . *
* @ run main / othervm / timeout = 240 - XX : + UseZGC BasicJMapTest
*/
public class BasicJMapTest {
private static ProcessBuilder processBuilder = new ProcessBuilder();
public static void main(String[] args) throws Exception {
testHisto();
testHistoLive();
testHistoAll();
testHistoParallelZero();
testHistoParallel();
testHistoNonParallel();
testHistoToFile();
testHistoLiveToFile();
testHistoAllToFile();
testFinalizerInfo();
testClstats();
testDump();
testDumpLive();
testDumpAll();
testDumpCompressed();
testDumpIllegalCompressedArgs();
}
private static void testHisto() throws Exception {
OutputAnalyzer output = jmap("-histo:" );
output.shouldHaveExitValue(0 );
OutputAnalyzer output1 = jmap("-histo" );
output1.shouldHaveExitValue(0 );
}
private static void testHistoLive() throws Exception {
OutputAnalyzer output = jmap("-histo:live" );
output.shouldHaveExitValue(0 );
}
private static void testHistoAll() throws Exception {
OutputAnalyzer output = jmap("-histo:all" );
output.shouldHaveExitValue(0 );
}
private static void testHistoParallelZero() throws Exception {
OutputAnalyzer output = jmap("-histo:parallel=0" );
output.shouldHaveExitValue(0 );
}
private static void testHistoParallel() throws Exception {
OutputAnalyzer output = jmap("-histo:parallel=2" );
output.shouldHaveExitValue(0 );
}
private static void testHistoNonParallel() throws Exception {
OutputAnalyzer output = jmap("-histo:parallel=1" );
output.shouldHaveExitValue(0 );
}
private static void testHistoToFile() throws Exception {
histoToFile(false , false , 1 );
}
private static void testHistoLiveToFile() throws Exception {
histoToFile(true , false , 1 );
}
private static void testHistoAllToFile() throws Exception {
histoToFile(false , true , 1 );
}
private static void testHistoFileParallelZero() throws Exception {
histoToFile(false , false , 0 );
}
private static void testHistoFileParallel() throws Exception {
histoToFile(false , false , 2 );
}
private static void histoToFile(boolean live,
boolean explicitAll,
int parallelThreadNum) throws Exception {
String liveArg = "" ;
String fileArg = "" ;
String parArg = "parallel=" + parallelThreadNum;
String allArgs = "-histo:" ;
if (live && explicitAll) {
fail("Illegal argument setting for jmap -histo" );
}
if (live) {
liveArg = "live," ;
}
if (explicitAll) {
liveArg = "all," ;
}
File file = new File("jmap.histo.file" + System.currentTimeMillis() + ".histo" );
if (file.exists()) {
file.delete ();
}
fileArg = "file=" + file.getName();
OutputAnalyzer output;
allArgs = allArgs + liveArg + fileArg + ',' + parArg;
output = jmap(allArgs);
output.shouldHaveExitValue(0 );
output.shouldContain("Heap inspection file created" );
file.delete ();
}
private static void testFinalizerInfo() throws Exception {
OutputAnalyzer output = jmap("-finalizerinfo" );
output.shouldHaveExitValue(0 );
}
private static void testClstats() throws Exception {
OutputAnalyzer output = jmap("-clstats" );
output.shouldHaveExitValue(0 );
}
private static void testDump() throws Exception {
dump(false , false , false );
}
private static void testDumpLive() throws Exception {
dump(true , false , false );
}
private static void testDumpAll() throws Exception {
dump(false , true , false );
}
private static void testDumpCompressed() throws Exception {
dump(true , false , true );
}
private static void testDumpIllegalCompressedArgs() throws Exception{
dump(true , false , true , "0" , 1 , "Compression level out of range" );
dump(true , false , true , "100" , 1 , "Compression level out of range" );
dump(true , false , true , "abc" , 1 , "Invalid compress level" );
dump(true , false , true , "" , 1 , "Fail: no number provided in option:" );
}
private static void dump(boolean live, boolean explicitAll, boolean compressed) throws Exception {
dump(live, explicitAll, compressed, "1" , 0 , "Heap dump file created" );
}
private static void dump(boolean live,
boolean explicitAll,
boolean compressed,
String compressLevel,
int expExitValue,
String expOutput) throws Exception {
String liveArg = "" ;
String fileArg = "" ;
String compressArg = "" ;
String allArgs = "-dump:" ;
if (live && explicitAll) {
fail("Illegal argument setting for jmap -dump" );
}
if (live) {
liveArg = "live," ;
}
if (explicitAll) {
liveArg = "all," ;
}
String filePath = "jmap.dump" + System.currentTimeMillis() + ".hprof" ;
if (compressed) {
compressArg = "gz=" + compressLevel;
filePath = filePath + ".gz" ;
}
File file = new File(filePath);
if (file.exists()) {
file.delete ();
}
fileArg = "file=" + file.getName() + "," ;
OutputAnalyzer output;
allArgs = allArgs + liveArg + "format=b," + fileArg + compressArg;
output = jmap(allArgs);
output.shouldHaveExitValue(expExitValue);
output.shouldContain(expOutput);
if (expExitValue == 0 ) {
verifyDumpFile(file);
}
file.delete ();
}
private static void verifyDumpFile(File dump) {
assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath());
try {
File out = HprofParser.parse(dump);
assertTrue(out != null && out.exists() && out.isFile(),
"Could not find hprof parser output file" );
List<String> lines = Files.readAllLines(out.toPath());
assertTrue(lines.size() > 0 , "hprof parser output file is empty" );
for (String line : lines) {
assertFalse(line.matches(".*WARNING(?!.*Failed to resolve " +
"object.*constantPoolOop.*).*" ));
}
out.delete ();
} catch (Exception e) {
e.printStackTrace();
fail("Could not parse dump file " + dump.getAbsolutePath());
}
}
private static OutputAnalyzer jmap(String... toolArgs) throws Exception {
JDKToolLauncher launcher = JDKToolLauncher.createUsingTestJDK("jmap" );
launcher.addVMArgs(Utils.getTestJavaOpts());
if (toolArgs != null ) {
for (String toolArg : toolArgs) {
launcher.addToolArg(toolArg);
}
}
launcher.addToolArg(Long .toString(ProcessTools.getProcessId()));
processBuilder.command(launcher.getCommand());
System.out.println(Arrays.toString(processBuilder.command().toArray()));
OutputAnalyzer output = ProcessTools.executeProcess(processBuilder);
System.out.println(output.getOutput());
return output;
}
}
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¤ Dauer der Verarbeitung: 0.7 Sekunden
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