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Jiangli Zhou 2015-02-02 13:10:27 -05:00
commit 63b331bba7
33 changed files with 1872 additions and 191 deletions
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2
hotspot/test/TEST.groups
View File

@ -97,7 +97,7 @@ needs_jdk = \
runtime/XCheckJniJsig/XCheckJSig.java \
serviceability/attach/AttachWithStalePidFile.java \
serviceability/sa/jmap-hprof/JMapHProfLargeHeapTest.java \
serviceability/dcmd/DynLibDcmdTest.java
serviceability/dcmd/vm/DynLibsTest.java
# JRE adds further tests to compact3

1
hotspot/test/serviceability/attach/AttachWithStalePidFile.java
View File

@ -26,6 +26,7 @@
* @bug 7162400
* @key regression
* @summary Regression test for attach issue where stale pid files in /tmp lead to connection issues
* @ignore 8024055
* @library /testlibrary
* @build com.oracle.java.testlibrary.* AttachWithStalePidFileTarget
* @run main AttachWithStalePidFile

73
hotspot/test/serviceability/dcmd/DcmdUtil.java
View File

@ -1,73 +0,0 @@
/*
* Copyright (c) 2013 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 sun.management.ManagementFactoryHelper;
import com.sun.management.DiagnosticCommandMBean;
public class DcmdUtil
{
public static String executeDcmd(String cmd, String ... args) {
DiagnosticCommandMBean dcmd = ManagementFactoryHelper.getDiagnosticCommandMBean();
Object[] dcmdArgs = {args};
String[] signature = {String[].class.getName()};
try {
System.out.print("> " + cmd + " ");
for (String s : args) {
System.out.print(s + " ");
}
System.out.println(":");
String result = (String) dcmd.invoke(transform(cmd), dcmdArgs, signature);
System.out.println(result);
return result;
} catch(Exception ex) {
ex.printStackTrace();
}
return null;
}
private static String transform(String name) {
StringBuilder sb = new StringBuilder();
boolean toLower = true;
boolean toUpper = false;
for (int i = 0; i < name.length(); i++) {
char c = name.charAt(i);
if (c == '.' || c == '_') {
toLower = false;
toUpper = true;
} else {
if (toUpper) {
toUpper = false;
sb.append(Character.toUpperCase(c));
} else if(toLower) {
sb.append(Character.toLowerCase(c));
} else {
sb.append(c);
}
}
}
return sb.toString();
}
}

69
hotspot/test/serviceability/dcmd/compiler/CodeCacheTest.java
View File

@ -24,17 +24,23 @@
/*
* @test CodeCacheTest
* @bug 8054889
* @library ..
* @build DcmdUtil CodeCacheTest
* @run main/othervm -XX:+SegmentedCodeCache CodeCacheTest
* @run main/othervm -XX:-SegmentedCodeCache CodeCacheTest
* @run main/othervm -Xint -XX:+SegmentedCodeCache CodeCacheTest
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng/othervm -XX:+SegmentedCodeCache CodeCacheTest
* @run testng/othervm -XX:-SegmentedCodeCache CodeCacheTest
* @run testng/othervm -Xint -XX:+SegmentedCodeCache CodeCacheTest
* @summary Test of diagnostic command Compiler.codecache
*/
import java.io.BufferedReader;
import java.io.StringReader;
import java.lang.reflect.Method;
import org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -72,7 +78,7 @@ public class CodeCacheTest {
private static boolean getFlagBool(String flag, String where) {
Matcher m = Pattern.compile(flag + "\\s+:?= (true|false)").matcher(where);
if (!m.find()) {
throw new RuntimeException("Could not find value for flag " + flag + " in output string");
Assert.fail("Could not find value for flag " + flag + " in output string");
}
return m.group(1).equals("true");
}
@ -80,16 +86,16 @@ public class CodeCacheTest {
private static int getFlagInt(String flag, String where) {
Matcher m = Pattern.compile(flag + "\\s+:?=\\s+\\d+").matcher(where);
if (!m.find()) {
throw new RuntimeException("Could not find value for flag " + flag + " in output string");
Assert.fail("Could not find value for flag " + flag + " in output string");
}
String match = m.group();
return Integer.parseInt(match.substring(match.lastIndexOf(" ") + 1, match.length()));
}
public static void main(String arg[]) throws Exception {
public void run(CommandExecutor executor) {
// Get number of code cache segments
int segmentsCount = 0;
String flags = DcmdUtil.executeDcmd("VM.flags", "-all");
String flags = executor.execute("VM.flags -all").getOutput();
if (!getFlagBool("SegmentedCodeCache", flags) || !getFlagBool("UseCompiler", flags)) {
// No segmentation
segmentsCount = 1;
@ -102,29 +108,29 @@ public class CodeCacheTest {
}
// Get output from dcmd (diagnostic command)
String result = DcmdUtil.executeDcmd("Compiler.codecache");
BufferedReader r = new BufferedReader(new StringReader(result));
OutputAnalyzer output = executor.execute("Compiler.codecache");
Iterator<String> lines = output.asLines().iterator();
// Validate code cache segments
String line;
Matcher m;
for (int s = 0; s < segmentsCount; ++s) {
// Validate first line
line = r.readLine();
line = lines.next();
m = line1.matcher(line);
if (m.matches()) {
for (int i = 2; i <= 5; i++) {
int val = Integer.parseInt(m.group(i));
if (val < 0) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
}
} else {
throw new Exception("Regexp 1 failed");
Assert.fail("Regexp 1 failed to match line: " + line);
}
// Validate second line
line = r.readLine();
line = lines.next();
m = line2.matcher(line);
if (m.matches()) {
String start = m.group(1);
@ -133,44 +139,49 @@ public class CodeCacheTest {
// Lexical compare of hex numbers to check that they look sane.
if (start.compareTo(mark) > 1) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
if (mark.compareTo(top) > 1) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
} else {
throw new Exception("Regexp 2 failed line: " + line);
Assert.fail("Regexp 2 failed to match line: " + line);
}
}
// Validate third line
line = r.readLine();
line = lines.next();
m = line3.matcher(line);
if (m.matches()) {
int blobs = Integer.parseInt(m.group(1));
if (blobs <= 0) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
int nmethods = Integer.parseInt(m.group(2));
if (nmethods < 0) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
int adapters = Integer.parseInt(m.group(3));
if (adapters <= 0) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
if (blobs < (nmethods + adapters)) {
throw new Exception("Failed parsing dcmd codecache output");
Assert.fail("Failed parsing dcmd codecache output");
}
} else {
throw new Exception("Regexp 3 failed");
Assert.fail("Regexp 3 failed to match line: " + line);
}
// Validate fourth line
line = r.readLine();
line = lines.next();
m = line4.matcher(line);
if (!m.matches()) {
throw new Exception("Regexp 4 failed");
Assert.fail("Regexp 4 failed to match line: " + line);
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

36
hotspot/test/serviceability/dcmd/compiler/CodelistTest.java
View File

@ -24,14 +24,21 @@
/*
* @test CodelistTest
* @bug 8054889
* @library ..
* @build DcmdUtil MethodIdentifierParser CodelistTest
* @run main CodelistTest
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @build MethodIdentifierParser
* @run testng CodelistTest
* @summary Test of diagnostic command Compiler.codelist
*/
import java.io.BufferedReader;
import java.io.StringReader;
import org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import java.lang.reflect.Method;
public class CodelistTest {
@ -51,19 +58,17 @@ public class CodelistTest {
*
*/
public static void main(String arg[]) throws Exception {
public void run(CommandExecutor executor) {
int ok = 0;
int fail = 0;
// Get output from dcmd (diagnostic command)
String result = DcmdUtil.executeDcmd("Compiler.codelist");
BufferedReader r = new BufferedReader(new StringReader(result));
OutputAnalyzer output = executor.execute("Compiler.codelist");
// Grab a method name from the output
String line;
int count = 0;
while((line = r.readLine()) != null) {
for (String line : output.asLines()) {
count++;
String[] parts = line.split(" ");
@ -83,14 +88,16 @@ public class CodelistTest {
}
MethodIdentifierParser mf = new MethodIdentifierParser(methodPrintedInLogFormat);
Method m;
Method m = null;
try {
m = mf.getMethod();
} catch (NoSuchMethodException e) {
m = null;
} catch (ClassNotFoundException e) {
Assert.fail("Test error: Caught unexpected exception", e);
}
if (m == null) {
throw new Exception("Test failed on: " + methodPrintedInLogFormat);
Assert.fail("Test failed on: " + methodPrintedInLogFormat);
}
if (count > 10) {
// Testing 10 entries is enough. Lets not waste time.
@ -98,4 +105,9 @@ public class CodelistTest {
}
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

56
hotspot/test/serviceability/dcmd/compiler/CompilerQueueTest.java
View File

@ -24,17 +24,22 @@
/*
* @test CompilerQueueTest
* @bug 8054889
* @library ..
* @library /testlibrary
* @ignore 8069160
* @build DcmdUtil CompilerQueueTest
* @run main CompilerQueueTest
* @run main/othervm -XX:-TieredCompilation CompilerQueueTest
* @run main/othervm -Xint CompilerQueueTest
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng CompilerQueueTest
* @run testng/othervm -XX:-TieredCompilation CompilerQueueTest
* @run testng/othervm -Xint CompilerQueueTest
* @summary Test of diagnostic command Compiler.queue
*/
import java.io.BufferedReader;
import java.io.StringReader;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import org.testng.annotations.Test;
import java.util.Iterator;
public class CompilerQueueTest {
@ -60,52 +65,55 @@ public class CompilerQueueTest {
*
**/
public static void main(String arg[]) throws Exception {
public void run(CommandExecutor executor) {
// Get output from dcmd (diagnostic command)
String result = DcmdUtil.executeDcmd("Compiler.queue");
BufferedReader r = new BufferedReader(new StringReader(result));
OutputAnalyzer output = executor.execute("Compiler.queue");
Iterator<String> lines = output.asLines().iterator();
String str = r.readLine();
while (str != null) {
while (lines.hasNext()) {
String str = lines.next();
if (str.startsWith("Contents of C")) {
match(r.readLine(), "----------------------------");
str = r.readLine();
match(lines.next(), "----------------------------");
str = lines.next();
if (!str.equals("Empty")) {
while (str.charAt(0) != '-') {
validateMethodLine(str);
str = r.readLine();
str = lines.next();
}
} else {
str = r.readLine();
str = lines.next();
}
match(str,"----------------------------");
str = r.readLine();
} else {
throw new Exception("Failed parsing dcmd queue, line: " + str);
Assert.fail("Failed parsing dcmd queue, line: " + str);
}
}
}
private static void validateMethodLine(String str) throws Exception {
private static void validateMethodLine(String str) {
// Skip until package/class name begins. Trim to remove whitespace that
// may differ.
String name = str.substring(14).trim();
int sep = name.indexOf("::");
if (sep == -1) {
throw new Exception("Failed dcmd queue, didn't find separator :: in: " + name);
Assert.fail("Failed dcmd queue, didn't find separator :: in: " + name);
}
try {
Class.forName(name.substring(0, sep));
} catch (ClassNotFoundException e) {
throw new Exception("Failed dcmd queue, Class for name: " + str);
Assert.fail("Failed dcmd queue, Class for name: " + str);
}
}
public static void match(String line, String str) throws Exception {
public static void match(String line, String str) {
if (!line.equals(str)) {
throw new Exception("String equals: " + line + ", " + str);
Assert.fail("String equals: " + line + ", " + str);
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

4
hotspot/test/serviceability/dcmd/compiler/MethodIdentifierParser.java
View File

@ -51,11 +51,11 @@ public class MethodIdentifierParser {
// Add sanity check for extracted fields
}
public Method getMethod() throws NoSuchMethodException, SecurityException, ClassNotFoundException, Exception {
public Method getMethod() throws NoSuchMethodException, SecurityException, ClassNotFoundException {
try {
return Class.forName(className).getDeclaredMethod(methodName, getParamenterDescriptorArray());
} catch (UnexpectedTokenException e) {
throw new Exception("Parse failed");
throw new RuntimeException("Parse failed");
}
}

69
hotspot/test/serviceability/dcmd/framework/HelpTest.java Normal file
View File

@ -0,0 +1,69 @@
/*
* Copyright (c) 2015, 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 com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.MainClassJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.FileJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import org.testng.annotations.Test;
/*
* @test
* @summary Test of diagnostic command help (tests all DCMD executors)
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng HelpTest
*/
public class HelpTest {
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("help");
output.shouldContain("The following commands are available");
output.shouldContain("help");
output.shouldContain("VM.version");
}
@Test
public void pid() {
run(new PidJcmdExecutor());
}
@Test
public void mainClass() {
run(new MainClassJcmdExecutor());
}
@Test
public void file() {
run(new FileJcmdExecutor());
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

66
hotspot/test/serviceability/dcmd/framework/InvalidCommandTest.java Normal file
View File

@ -0,0 +1,66 @@
/*
* Copyright (c) 2015, 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 com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.MainClassJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.FileJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import org.testng.annotations.Test;
/*
* @test
* @summary Test of invalid diagnostic command (tests all DCMD executors)
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng InvalidCommandTest
*/
public class InvalidCommandTest {
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("asdf");
output.shouldContain("Unknown diagnostic command");
}
@Test
public void pid() {
run(new PidJcmdExecutor());
}
@Test
public void mainClass() {
run(new MainClassJcmdExecutor());
}
@Test
public void file() {
run(new FileJcmdExecutor());
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

66
hotspot/test/serviceability/dcmd/framework/VMVersionTest.java Normal file
View File

@ -0,0 +1,66 @@
/*
* Copyright (c) 2015, 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 com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.MainClassJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.FileJcmdExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import org.testng.annotations.Test;
/*
* @test
* @summary Test of diagnostic command VM.version (tests all DCMD executors)
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng VMVersionTest
*/
public class VMVersionTest {
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("VM.version");
output.shouldMatch(".*(?:HotSpot|OpenJDK).*VM.*");
}
@Test
public void pid() {
run(new PidJcmdExecutor());
}
@Test
public void mainClass() {
run(new MainClassJcmdExecutor());
}
@Test
public void file() {
run(new FileJcmdExecutor());
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

40
hotspot/test/serviceability/dcmd/gc/ClassHistogramAllTest.java Normal file
View File

@ -0,0 +1,40 @@
/*
* Copyright (c) 2015, 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
* @summary Test of diagnostic command GC.class_histogram -all=true
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @build ClassHistogramTest
* @run testng ClassHistogramAllTest
*/
public class ClassHistogramAllTest extends ClassHistogramTest {
public ClassHistogramAllTest() {
super();
classHistogramArgs = "-all=true";
}
/* See ClassHistogramTest for test cases */
}

89
hotspot/test/serviceability/dcmd/gc/ClassHistogramTest.java Normal file
View File

@ -0,0 +1,89 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import java.util.regex.Pattern;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* @test
* @summary Test of diagnostic command GC.class_histogram
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng ClassHistogramTest
*/
public class ClassHistogramTest {
public static class TestClass {}
public static TestClass[] instances = new TestClass[1024];
protected String classHistogramArgs = "";
static {
for (int i = 0; i < instances.length; ++i) {
instances[i] = new TestClass();
}
}
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("GC.class_histogram " + classHistogramArgs);
/*
* example output:
* num #instances #bytes class name
* ----------------------------------------------
* 1: 1647 1133752 [B
* 2: 6198 383168 [C
* 3: 1464 165744 java.lang.Class
* 4: 6151 147624 java.lang.String
* 5: 2304 73728 java.util.concurrent.ConcurrentHashMap$Node
* 6: 1199 64280 [Ljava.lang.Object;
* ...
*/
/* Require at least one java.lang.Class */
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.Class\\s*$");
/* Require at least one java.lang.String */
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.String\\s*$");
/* Require at least one java.lang.Object */
output.shouldMatch("^\\s+\\d+:\\s+\\d+\\s+\\d+\\s+java.lang.Object\\s*$");
/* Require at exactly one TestClass[] */
output.shouldMatch("^\\s+\\d+:\\s+1\\s+\\d+\\s+" +
Pattern.quote(TestClass[].class.getName()) + "\\s*$");
/* Require at exactly 1024 TestClass */
output.shouldMatch("^\\s+\\d+:\\s+1024\\s+\\d+\\s+" +
Pattern.quote(TestClass.class.getName()) + "\\s*$");
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

41
hotspot/test/serviceability/dcmd/gc/HeapDumpAllTest.java Normal file
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@ -0,0 +1,41 @@
/*
* Copyright (c) 2015, 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
* @summary Test of diagnostic command GC.heap_dump -all=true
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @build HeapDumpTest
* @run testng HeapDumpAllTest
*/
public class HeapDumpAllTest extends HeapDumpTest {
public HeapDumpAllTest() {
super();
heapDumpArgs = "-all=true";
}
/* See HeapDumpTest for test cases */
}

90
hotspot/test/serviceability/dcmd/gc/HeapDumpTest.java Normal file
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@ -0,0 +1,90 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import org.testng.Assert;
import java.io.IOException;
import com.oracle.java.testlibrary.JDKToolFinder;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
/*
* @test
* @summary Test of diagnostic command GC.heap_dump
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng HeapDumpTest
*/
public class HeapDumpTest {
protected String heapDumpArgs = "";
public void run(CommandExecutor executor) {
String fileName = "jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof";
String cmd = "GC.heap_dump " + heapDumpArgs + " " + fileName;
executor.execute(cmd);
verifyHeapDump(fileName);
}
private void verifyHeapDump(String fileName) {
String jhat = JDKToolFinder.getTestJDKTool("jhat");
String[] cmd = { jhat, "-parseonly", "true", fileName };
ProcessBuilder pb = new ProcessBuilder(cmd);
pb.redirectErrorStream(true);
Process p = null;
OutputAnalyzer output = null;
try {
p = pb.start();
output = new OutputAnalyzer(p);
/*
* Some hprof dumps of all objects contain constantPoolOop references that cannot be resolved, so we ignore
* failures about resolving constantPoolOop fields using a negative lookahead
*/
output.shouldNotMatch(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*");
} catch (IOException e) {
Assert.fail("Test error: Caught exception while reading stdout/err of jhat", e);
} finally {
if (p != null) {
p.destroy();
}
}
if (output.getExitValue() != 0) {
Assert.fail("Test error: jhat exit code was nonzero");
}
}
/* GC.heap_dump is not available over JMX, running jcmd pid executor instead */
@Test
public void pid() {
run(new PidJcmdExecutor());
}
}

98
hotspot/test/serviceability/dcmd/gc/RunFinalizationTest.java Normal file
View File

@ -0,0 +1,98 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import org.testng.Assert;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.ReentrantLock;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* @test
* @summary Test of diagnostic command GC.run_finalization
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng RunFinalizationTest
*/
public class RunFinalizationTest {
static ReentrantLock lock = new ReentrantLock();
static Condition cond = lock.newCondition();
static volatile boolean wasFinalized = false;
static volatile boolean wasInitialized = false;
class MyObject {
public MyObject() {
/* Make sure object allocation/deallocation is not optimized out */
wasInitialized = true;
}
protected void finalize() {
lock.lock();
wasFinalized = true;
cond.signalAll();
lock.unlock();
}
}
public static MyObject o;
public void run(CommandExecutor executor) {
lock.lock();
o = new MyObject();
o = null;
System.gc();
executor.execute("GC.run_finalization");
int waited = 0;
int waitTime = 15;
try {
System.out.println("Waiting for signal from finalizer");
while (!cond.await(waitTime, TimeUnit.SECONDS)) {
waited += waitTime;
System.out.println(String.format("Waited %d seconds", waited));
}
System.out.println("Received signal");
} catch (InterruptedException e) {
Assert.fail("Test error: Interrupted while waiting for signal from finalizer", e);
} finally {
lock.unlock();
}
if (!wasFinalized) {
Assert.fail("Test failure: Object was not finalized");
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

65
hotspot/test/serviceability/dcmd/gc/RunGCTest.java Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import org.testng.Assert;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* @test
* @summary Test of diagnostic command GC.run
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng/othervm -XX:+PrintGCDetails -Xloggc:RunGC.gclog RunGCTest
*/
public class RunGCTest {
public void run(CommandExecutor executor) {
executor.execute("GC.run");
Path gcLogPath = Paths.get("RunGC.gclog").toAbsolutePath();
String gcLog = null;
try {
gcLog = new String(Files.readAllBytes(gcLogPath));
} catch (IOException e) {
Assert.fail("Test error: Could not read GC log file: " + gcLogPath, e);
}
OutputAnalyzer output = new OutputAnalyzer(gcLog, "");
output.shouldMatch(".*\\[Full GC \\(System(\\.gc\\(\\))?.*");
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

39
hotspot/test/serviceability/dcmd/thread/PrintConcurrentLocksTest.java Normal file
View File

@ -0,0 +1,39 @@
/*
* Copyright (c) 2015, 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
* @summary Test of diagnostic command Thread.print -l=true
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @build PrintTest
* @run testng PrintConcurrentLocksTest
*/
public class PrintConcurrentLocksTest extends PrintTest {
public PrintConcurrentLocksTest() {
jucLocks = true;
}
/* See PrintTest for test cases */
}

174
hotspot/test/serviceability/dcmd/thread/PrintTest.java Normal file
View File

@ -0,0 +1,174 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import java.util.concurrent.BrokenBarrierException;
import java.util.concurrent.CyclicBarrier;
import java.util.concurrent.locks.ReentrantLock;
import java.util.regex.Pattern;
/*
* @test
* @summary Test of diagnostic command Thread.print
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng PrintTest
*/
public class PrintTest {
protected boolean jucLocks = false;
CyclicBarrier readyBarrier = new CyclicBarrier(3);
CyclicBarrier doneBarrier = new CyclicBarrier(3);
private void waitForBarrier(CyclicBarrier b) {
try {
b.await();
} catch (InterruptedException | BrokenBarrierException e) {
Assert.fail("Test error: Caught unexpected exception:", e);
}
}
class MonitorThread extends Thread {
Object lock = new Object();
public void run() {
/* Hold lock on "lock" to show up in thread dump */
synchronized (lock) {
/* Signal that we're ready for thread dump */
waitForBarrier(readyBarrier);
/* Released when the thread dump has been taken */
waitForBarrier(doneBarrier);
}
}
}
class LockThread extends Thread {
ReentrantLock lock = new ReentrantLock();
public void run() {
/* Hold lock "lock" to show up in thread dump */
lock.lock();
/* Signal that we're ready for thread dump */
waitForBarrier(readyBarrier);
/* Released when the thread dump has been taken */
waitForBarrier(doneBarrier);
lock.unlock();
}
}
public void run(CommandExecutor executor) {
MonitorThread mThread = new MonitorThread();
mThread.start();
LockThread lThread = new LockThread();
lThread.start();
/* Wait for threads to get ready */
waitForBarrier(readyBarrier);
/* Execute */
OutputAnalyzer output = executor.execute("Thread.print" + (jucLocks ? " -l=true" : ""));
/* Signal that we've got the thread dump */
waitForBarrier(doneBarrier);
/*
* Example output (trimmed) with arrows indicating the rows we are looking for:
*
* ...
* "Thread-2" #24 prio=5 os_prio=0 tid=0x00007f913411f800 nid=0x4fc9 waiting on condition [0x00007f91fbffe000]
* java.lang.Thread.State: WAITING (parking)
* at sun.misc.Unsafe.park(Native Method)
* - parking to wait for <0x000000071a0868a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
* at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
* at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
* at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:234)
* at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:362)
* at Print.waitForBarrier(Print.java:26)
* at Print.access$000(Print.java:18)
* at Print$LockThread.run(Print.java:58)
*
* --> Locked ownable synchronizers:
* --> - <0x000000071a294930> (a java.util.concurrent.locks.ReentrantLock$NonfairSync)
*
* "Thread-1" #23 prio=5 os_prio=0 tid=0x00007f913411e800 nid=0x4fc8 waiting on condition [0x00007f9200113000]
* java.lang.Thread.State: WAITING (parking)
* at sun.misc.Unsafe.park(Native Method)
* - parking to wait for <0x000000071a0868a8> (a java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
* at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
* at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
* at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:234)
* at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:362)
* at Print.waitForBarrier(Print.java:26)
* at Print.access$000(Print.java:18)
* at Print$MonitorThread.run(Print.java:42)
* --> - locked <0x000000071a294390> (a java.lang.Object)
*
* Locked ownable synchronizers:
* - None
*
* "MainThread" #22 prio=5 os_prio=0 tid=0x00007f923015b000 nid=0x4fc7 in Object.wait() [0x00007f9200840000]
* java.lang.Thread.State: WAITING (on object monitor)
* at java.lang.Object.wait(Native Method)
* - waiting on <0x000000071a70ad98> (a java.lang.UNIXProcess)
* at java.lang.Object.wait(Object.java:502)
* at java.lang.UNIXProcess.waitFor(UNIXProcess.java:397)
* - locked <0x000000071a70ad98> (a java.lang.UNIXProcess)
* at com.oracle.java.testlibrary.dcmd.JcmdExecutor.executeImpl(JcmdExecutor.java:32)
* at com.oracle.java.testlibrary.dcmd.CommandExecutor.execute(CommandExecutor.java:24)
* --> at Print.run(Print.java:74)
* at Print.file(Print.java:112)
* ...
*/
output.shouldMatch(".*at " + Pattern.quote(PrintTest.class.getName()) + "\\.run.*");
output.shouldMatch(".*- locked <0x\\p{XDigit}+> \\(a " + Pattern.quote(mThread.lock.getClass().getName()) + "\\).*");
String jucLockPattern1 = ".*Locked ownable synchronizers:.*";
String jucLockPattern2 = ".*- <0x\\p{XDigit}+> \\(a " + Pattern.quote(lThread.lock.getClass().getName()) + ".*";
if (jucLocks) {
output.shouldMatch(jucLockPattern1);
output.shouldMatch(jucLockPattern2);
} else {
output.shouldNotMatch(jucLockPattern1);
output.shouldNotMatch(jucLockPattern2);
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

49
hotspot/test/serviceability/dcmd/ClassLoaderStatsTest.java → hotspot/test/serviceability/dcmd/vm/ClassLoaderStatsTest.java
View File

@ -23,18 +23,26 @@
/*
* @test
*
* @build ClassLoaderStatsTest DcmdUtil
* @run main ClassLoaderStatsTest
* @summary Test of diagnostic command VM.classloader_stats
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng ClassLoaderStatsTest
*/
import java.io.BufferedReader;
import org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.StringReader;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.util.Iterator;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -57,36 +65,36 @@ public class ClassLoaderStatsTest {
public static DummyClassLoader dummyloader;
public static void main(String arg[]) throws Exception {
public void run(CommandExecutor executor) throws ClassNotFoundException {
// create a classloader and load our special class
dummyloader = new DummyClassLoader();
Class<?> c = Class.forName("TestClass", true, dummyloader);
if (c.getClassLoader() != dummyloader) {
throw new RuntimeException("TestClass defined by wrong classloader: " + c.getClassLoader());
Assert.fail("TestClass defined by wrong classloader: " + c.getClassLoader());
}
String result = DcmdUtil.executeDcmd("VM.classloader_stats");
BufferedReader r = new BufferedReader(new StringReader(result));
String line;
while((line = r.readLine()) != null) {
OutputAnalyzer output = executor.execute("VM.classloader_stats");
Iterator<String> lines = output.asLines().iterator();
while (lines.hasNext()) {
String line = lines.next();
Matcher m = clLine.matcher(line);
if (m.matches()) {
// verify that DummyClassLoader has loaded 1 class and 1 anonymous class
if (m.group(4).equals("ClassLoaderStatsTest$DummyClassLoader")) {
System.out.println("line: " + line);
if (!m.group(1).equals("1")) {
throw new Exception("Should have loaded 1 class: " + line);
Assert.fail("Should have loaded 1 class: " + line);
}
checkPositiveInt(m.group(2));
checkPositiveInt(m.group(3));
String next = r.readLine();
String next = lines.next();
System.out.println("next: " + next);
Matcher m1 = anonLine.matcher(next);
m1.matches();
if (!m1.group(1).equals("1")) {
throw new Exception("Should have loaded 1 anonymous class, but found : " + m1.group(1));
Assert.fail("Should have loaded 1 anonymous class, but found : " + m1.group(1));
}
checkPositiveInt(m1.group(2));
checkPositiveInt(m1.group(3));
@ -95,9 +103,9 @@ public class ClassLoaderStatsTest {
}
}
private static void checkPositiveInt(String s) throws Exception {
private static void checkPositiveInt(String s) {
if (Integer.parseInt(s) <= 0) {
throw new Exception("Value should have been > 0: " + s);
Assert.fail("Value should have been > 0: " + s);
}
}
@ -114,8 +122,11 @@ public class ClassLoaderStatsTest {
{
return fc.map(FileChannel.MapMode.READ_ONLY, 0, fc.size());
} catch (IOException e) {
throw new RuntimeException("Can't open file: " + name, e);
Assert.fail("Can't open file: " + name, e);
}
/* Will not reach here as Assert.fail() throws exception */
return null;
}
protected Class<?> loadClass(String name, boolean resolve)
@ -144,6 +155,10 @@ public class ClassLoaderStatsTest {
}
} /* DummyClassLoader */
@Test
public void jmx() throws ClassNotFoundException {
run(new JMXExecutor());
}
}
class TestClass {

49
hotspot/test/serviceability/dcmd/vm/CommandLineTest.java Normal file
View File

@ -0,0 +1,49 @@
/*
* Copyright (c) 2015, 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 com.oracle.java.testlibrary.OutputAnalyzer;
import org.testng.annotations.Test;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* @test
* @summary Test of diagnostic command VM.command_line
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+ThereShouldNotBeAnyVMOptionNamedLikeThis CommandLineTest
*/
public class CommandLineTest {
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("VM.command_line");
output.shouldContain("-XX:+IgnoreUnrecognizedVMOptions");
output.shouldContain("-XX:+ThereShouldNotBeAnyVMOptionNamedLikeThis");
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

37
hotspot/test/serviceability/dcmd/DynLibDcmdTest.java → hotspot/test/serviceability/dcmd/vm/DynLibsTest.java
View File

@ -1,6 +1,10 @@
import java.util.HashSet;
import java.util.Set;
import org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.Platform;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* Copyright (c) 2013, 2015, Oracle and/or its affiliates. All rights reserved.
@ -29,14 +33,15 @@ import com.oracle.java.testlibrary.Platform;
* @test
* @summary Test of VM.dynlib diagnostic command via MBean
* @library /testlibrary
* @build com.oracle.java.testlibrary.* DcmdUtil
* @run main DynLibDcmdTest
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng DynLibsTest
*/
public class DynLibDcmdTest {
public class DynLibsTest {
public static void main(String[] args) throws Exception {
String result = DcmdUtil.executeDcmd("VM.dynlibs");
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("VM.dynlibs");
String osDependentBaseString = null;
if (Platform.isAix()) {
@ -52,18 +57,16 @@ public class DynLibDcmdTest {
}
if (osDependentBaseString == null) {
throw new Exception("Unsupported OS");
Assert.fail("Unsupported OS");
}
Set<String> expectedContent = new HashSet<>();
expectedContent.add(String.format(osDependentBaseString, "jvm"));
expectedContent.add(String.format(osDependentBaseString, "java"));
expectedContent.add(String.format(osDependentBaseString, "management"));
output.shouldContain(String.format(osDependentBaseString, "jvm"));
output.shouldContain(String.format(osDependentBaseString, "java"));
output.shouldContain(String.format(osDependentBaseString, "management"));
}
for(String expected : expectedContent) {
if (!result.contains(expected)) {
throw new Exception("Dynamic library list output did not contain the expected string: '" + expected + "'");
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

56
hotspot/test/serviceability/dcmd/vm/FlagsTest.java Normal file
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@ -0,0 +1,56 @@
/*
* Copyright (c) 2015, 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 com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import org.testng.annotations.Test;
/*
* @test
* @summary Test of diagnostic command VM.flags
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng/othervm -Xmx129m -XX:+PrintGC -XX:+UnlockDiagnosticVMOptions -XX:+IgnoreUnrecognizedVMOptions -XX:+ThereShouldNotBeAnyVMOptionNamedLikeThis_Right -XX:-TieredCompilation FlagsTest
*/
public class FlagsTest {
public void run(CommandExecutor executor) {
OutputAnalyzer output = executor.execute("VM.flags");
/* The following are interpreted by the JVM as actual "flags" */
output.shouldContain("-XX:+PrintGC");
output.shouldContain("-XX:+UnlockDiagnosticVMOptions");
output.shouldContain("-XX:+IgnoreUnrecognizedVMOptions");
output.shouldContain("-XX:-TieredCompilation");
/* The following are not */
output.shouldNotContain("-Xmx129m");
output.shouldNotContain("-XX:+ThereShouldNotBeAnyVMOptionNamedLikeThis_Right");
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

53
hotspot/test/serviceability/dcmd/vm/SystemPropertiesTest.java Normal file
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@ -0,0 +1,53 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
/*
* @test
* @summary Test of diagnostic command VM.system_properties
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng SystemPropertiesTest
*/
public class SystemPropertiesTest {
private final static String PROPERTY_NAME = "SystemPropertiesTestPropertyName";
private final static String PROPERTY_VALUE = "SystemPropertiesTestPropertyValue";
public void run(CommandExecutor executor) {
System.setProperty(PROPERTY_NAME, PROPERTY_VALUE);
OutputAnalyzer output = executor.execute("VM.system_properties");
output.shouldContain(PROPERTY_NAME + "=" + PROPERTY_VALUE);
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

89
hotspot/test/serviceability/dcmd/vm/UptimeTest.java Normal file
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@ -0,0 +1,89 @@
/*
* Copyright (c) 2015, 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 org.testng.annotations.Test;
import org.testng.Assert;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.dcmd.CommandExecutor;
import com.oracle.java.testlibrary.dcmd.JMXExecutor;
import java.text.NumberFormat;
import java.text.ParseException;
/*
* @test
* @summary Test of diagnostic command VM.uptime
* @library /testlibrary
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @run testng UptimeTest
*/
public class UptimeTest {
public void run(CommandExecutor executor) {
double someUptime = 1.0;
long startTime = System.currentTimeMillis();
try {
synchronized (this) {
/* Loop to guard against spurious wake ups */
while (System.currentTimeMillis() < (startTime + someUptime * 1000)) {
wait((int) someUptime * 1000);
}
}
} catch (InterruptedException e) {
Assert.fail("Test error: Exception caught when sleeping:", e);
}
OutputAnalyzer output = executor.execute("VM.uptime");
output.stderrShouldBeEmpty();
/*
* Output should be:
* [pid]:
* xx.yyy s
*
* If there is only one line in output there is no "[pid]:" printout;
* skip first line, split on whitespace and grab first half
*/
int index = output.asLines().size() == 1 ? 0 : 1;
String uptimeString = output.asLines().get(index).split("\\s+")[0];
try {
double uptime = NumberFormat.getNumberInstance().parse(uptimeString).doubleValue();
if (uptime < someUptime) {
Assert.fail(String.format(
"Test failure: Uptime was less than intended sleep time: %.3f s < %.3f s",
uptime, someUptime));
}
} catch (ParseException e) {
Assert.fail("Test failure: Could not parse uptime string: " +
uptimeString, e);
}
}
@Test
public void jmx() {
run(new JMXExecutor());
}
}

68
hotspot/test/testlibrary/com/oracle/java/testlibrary/OutputAnalyzer.java
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@ -24,6 +24,8 @@
package com.oracle.java.testlibrary;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
@ -68,6 +70,58 @@ public final class OutputAnalyzer {
exitValue = -1;
}
/**
* Verify that the stdout contents of output buffer is empty
*
* @throws RuntimeException
* If stdout was not empty
*/
public void stdoutShouldBeEmpty() {
if (!getStdout().isEmpty()) {
reportDiagnosticSummary();
throw new RuntimeException("stdout was not empty");
}
}
/**
* Verify that the stderr contents of output buffer is empty
*
* @throws RuntimeException
* If stderr was not empty
*/
public void stderrShouldBeEmpty() {
if (!getStderr().isEmpty()) {
reportDiagnosticSummary();
throw new RuntimeException("stderr was not empty");
}
}
/**
* Verify that the stdout contents of output buffer is not empty
*
* @throws RuntimeException
* If stdout was empty
*/
public void stdoutShouldNotBeEmpty() {
if (getStdout().isEmpty()) {
reportDiagnosticSummary();
throw new RuntimeException("stdout was empty");
}
}
/**
* Verify that the stderr contents of output buffer is not empty
*
* @throws RuntimeException
* If stderr was empty
*/
public void stderrShouldNotBeEmpty() {
if (getStderr().isEmpty()) {
reportDiagnosticSummary();
throw new RuntimeException("stderr was empty");
}
}
/**
* Verify that the stdout and stderr contents of output buffer contains the string
*
@ -365,4 +419,18 @@ public final class OutputAnalyzer {
public int getExitValue() {
return exitValue;
}
/**
* Get the contents of the output buffer (stdout and stderr) as list of strings.
* Output will be split by newlines.
*
* @return Contents of the output buffer as list of strings
*/
public List<String> asLines() {
return asLines(getOutput());
}
private List<String> asLines(String buffer) {
return Arrays.asList(buffer.split("(\\r\\n|\\n|\\r)"));
}
}

21
hotspot/test/testlibrary/com/oracle/java/testlibrary/ProcessTools.java
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@ -186,19 +186,32 @@ public final class ProcessTools {
/**
* Executes a process, waits for it to finish and returns the process output.
* The process will have exited before this method returns.
* @param pb The ProcessBuilder to execute.
* @return The output from the process.
* @return The {@linkplain OutputAnalyzer} instance wrapping the process.
*/
public static OutputAnalyzer executeProcess(ProcessBuilder pb) throws Throwable {
public static OutputAnalyzer executeProcess(ProcessBuilder pb) throws Exception {
OutputAnalyzer output = null;
Process p = null;
boolean failed = false;
try {
output = new OutputAnalyzer(pb.start());
p = pb.start();
output = new OutputAnalyzer(p);
p.waitFor();
return output;
} catch (Throwable t) {
if (p != null) {
p.destroyForcibly().waitFor();
}
failed = true;
System.out.println("executeProcess() failed: " + t);
throw t;
} finally {
System.out.println(getProcessLog(pb, output));
if (failed) {
System.err.println(getProcessLog(pb, output));
}
}
}

57
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/CommandExecutor.java Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import com.oracle.java.testlibrary.OutputAnalyzer;
/**
* Abstract base class for Diagnostic Command executors
*/
public abstract class CommandExecutor {
/**
* Execute a diagnostic command
*
* @param cmd The diagnostic command to execute
* @return an {@link jdk.testlibrary.OutputAnalyzer} encapsulating the output of the command
* @throws CommandExecutorException if there is an exception on the "calling side" while trying to execute the
* Diagnostic Command. Exceptions thrown on the remote side are available as textual representations in
* stderr, regardless of the specific executor used.
*/
public final OutputAnalyzer execute(String cmd) throws CommandExecutorException {
System.out.printf("Running DCMD '%s' through '%s'%n", cmd, this.getClass().getSimpleName());
OutputAnalyzer oa = executeImpl(cmd);
System.out.println("---------------- stdout ----------------");
System.out.println(oa.getStdout());
System.out.println("---------------- stderr ----------------");
System.out.println(oa.getStderr());
System.out.println("----------------------------------------");
System.out.println();
return oa;
}
protected abstract OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException;
}

36
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/CommandExecutorException.java Normal file
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@ -0,0 +1,36 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
/**
* CommandExecutorException encapsulates exceptions thrown (on the "calling side") from the execution of Diagnostic
* Commands
*/
public class CommandExecutorException extends RuntimeException {
private static final long serialVersionUID = -7039597746579144280L;
public CommandExecutorException(String message, Throwable e) {
super(message, e);
}
}

81
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/FileJcmdExecutor.java Normal file
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@ -0,0 +1,81 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Arrays;
import java.util.List;
/**
* Executes Diagnostic Commands on the target VM (specified by pid) using the jcmd tool and its ability to read
* Diagnostic Commands from a file.
*/
public class FileJcmdExecutor extends PidJcmdExecutor {
/**
* Instantiates a new FileJcmdExecutor targeting the current VM
*/
public FileJcmdExecutor() {
super();
}
/**
* Instantiates a new FileJcmdExecutor targeting the VM indicated by the given pid
*
* @param target Pid of the target VM
*/
public FileJcmdExecutor(String target) {
super(target);
}
protected List<String> createCommandLine(String cmd) throws CommandExecutorException {
File cmdFile = createTempFile();
writeCommandToTemporaryFile(cmd, cmdFile);
return Arrays.asList(jcmdBinary, Integer.toString(pid),
"-f", cmdFile.getAbsolutePath());
}
private void writeCommandToTemporaryFile(String cmd, File cmdFile) {
try (PrintWriter pw = new PrintWriter(cmdFile)) {
pw.println(cmd);
} catch (IOException e) {
String message = "Could not write to file: " + cmdFile.getAbsolutePath();
throw new CommandExecutorException(message, e);
}
}
private File createTempFile() {
try {
File cmdFile = File.createTempFile("input", "jcmd");
cmdFile.deleteOnExit();
return cmdFile;
} catch (IOException e) {
throw new CommandExecutorException("Could not create temporary file", e);
}
}
}

187
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/JMXExecutor.java Normal file
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@ -0,0 +1,187 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import com.oracle.java.testlibrary.OutputAnalyzer;
import javax.management.*;
import javax.management.remote.JMXConnector;
import javax.management.remote.JMXConnectorFactory;
import javax.management.remote.JMXServiceURL;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.management.ManagementFactory;
import java.util.HashMap;
/**
* Executes Diagnostic Commands on the target VM (specified by a host/port combination or a full JMX Service URL) using
* the JMX interface. If the target is not the current VM, the JMX Remote interface must be enabled beforehand.
*/
public class JMXExecutor extends CommandExecutor {
private final MBeanServerConnection mbs;
/**
* Instantiates a new JMXExecutor targeting the current VM
*/
public JMXExecutor() {
super();
mbs = ManagementFactory.getPlatformMBeanServer();
}
/**
* Instantiates a new JMXExecutor targeting the VM indicated by the given host/port combination or a full JMX
* Service URL
*
* @param target a host/port combination on the format "host:port" or a full JMX Service URL of the target VM
*/
public JMXExecutor(String target) {
String urlStr;
if (target.matches("^\\w[\\w\\-]*(\\.[\\w\\-]+)*:\\d+$")) {
/* Matches "hostname:port" */
urlStr = String.format("service:jmx:rmi:///jndi/rmi://%s/jmxrmi", target);
} else if (target.startsWith("service:")) {
urlStr = target;
} else {
throw new IllegalArgumentException("Could not recognize target string: " + target);
}
try {
JMXServiceURL url = new JMXServiceURL(urlStr);
JMXConnector c = JMXConnectorFactory.connect(url, new HashMap<>());
mbs = c.getMBeanServerConnection();
} catch (IOException e) {
throw new CommandExecutorException("Could not initiate connection to target: " + target, e);
}
}
protected OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException {
String stdout = "";
String stderr = "";
String[] cmdParts = cmd.split(" ", 2);
String operation = commandToMethodName(cmdParts[0]);
Object[] dcmdArgs = produceArguments(cmdParts);
String[] signature = {String[].class.getName()};
ObjectName beanName = getMBeanName();
try {
stdout = (String) mbs.invoke(beanName, operation, dcmdArgs, signature);
}
/* Failures on the "local" side, the one invoking the command. */
catch (ReflectionException e) {
Throwable cause = e.getCause();
if (cause instanceof NoSuchMethodException) {
/* We want JMXExecutor to match the behavior of the other CommandExecutors */
String message = "Unknown diagnostic command: " + operation;
stderr = exceptionTraceAsString(new IllegalArgumentException(message, e));
} else {
rethrowExecutorException(operation, dcmdArgs, e);
}
}
/* Failures on the "local" side, the one invoking the command. */
catch (InstanceNotFoundException | IOException e) {
rethrowExecutorException(operation, dcmdArgs, e);
}
/* Failures on the remote side, the one executing the invoked command. */
catch (MBeanException e) {
stdout = exceptionTraceAsString(e);
}
return new OutputAnalyzer(stdout, stderr);
}
private void rethrowExecutorException(String operation, Object[] dcmdArgs,
Exception e) throws CommandExecutorException {
String message = String.format("Could not invoke: %s %s", operation,
String.join(" ", (String[]) dcmdArgs[0]));
throw new CommandExecutorException(message, e);
}
private ObjectName getMBeanName() throws CommandExecutorException {
String MBeanName = "com.sun.management:type=DiagnosticCommand";
try {
return new ObjectName(MBeanName);
} catch (MalformedObjectNameException e) {
String message = "MBean not found: " + MBeanName;
throw new CommandExecutorException(message, e);
}
}
private Object[] produceArguments(String[] cmdParts) {
Object[] dcmdArgs = {new String[0]}; /* Default: No arguments */
if (cmdParts.length == 2) {
dcmdArgs[0] = cmdParts[1].split(" ");
}
return dcmdArgs;
}
/**
* Convert from diagnostic command to MBean method name
*
* Examples:
* help --> help
* VM.version --> vmVersion
* VM.command_line --> vmCommandLine
*/
private static String commandToMethodName(String cmd) {
String operation = "";
boolean up = false; /* First letter is to be lower case */
/*
* If a '.' or '_' is encountered it is not copied,
* instead the next character will be converted to upper case
*/
for (char c : cmd.toCharArray()) {
if (('.' == c) || ('_' == c)) {
up = true;
} else if (up) {
operation = operation.concat(Character.toString(c).toUpperCase());
up = false;
} else {
operation = operation.concat(Character.toString(c).toLowerCase());
}
}
return operation;
}
private static String exceptionTraceAsString(Throwable cause) {
StringWriter sw = new StringWriter();
cause.printStackTrace(new PrintWriter(sw));
return sw.toString();
}
}

58
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/JcmdExecutor.java Normal file
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@ -0,0 +1,58 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import com.oracle.java.testlibrary.JDKToolFinder;
import com.oracle.java.testlibrary.OutputAnalyzer;
import com.oracle.java.testlibrary.ProcessTools;
import java.util.List;
/**
* Base class for Diagnostic Command Executors using the jcmd tool
*/
public abstract class JcmdExecutor extends CommandExecutor {
protected String jcmdBinary;
protected abstract List<String> createCommandLine(String cmd) throws CommandExecutorException;
protected JcmdExecutor() {
jcmdBinary = JDKToolFinder.getJDKTool("jcmd");
}
protected OutputAnalyzer executeImpl(String cmd) throws CommandExecutorException {
List<String> commandLine = createCommandLine(cmd);
try {
System.out.printf("Executing command '%s'%n", commandLine);
OutputAnalyzer output = ProcessTools.executeProcess(new ProcessBuilder(commandLine));
System.out.printf("Command returned with exit code %d%n", output.getExitValue());
return output;
} catch (Exception e) {
String message = String.format("Caught exception while executing '%s'", commandLine);
throw new CommandExecutorException(message, e);
}
}
}

57
hotspot/test/testlibrary/com/oracle/java/testlibrary/dcmd/MainClassJcmdExecutor.java Normal file
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@ -0,0 +1,57 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import java.util.Arrays;
import java.util.List;
/**
* Executes Diagnostic Commands on the target VM (specified by main class) using the jcmd tool
*/
public class MainClassJcmdExecutor extends JcmdExecutor {
private final String mainClass;
/**
* Instantiates a new MainClassJcmdExecutor targeting the current VM
*/
public MainClassJcmdExecutor() {
super();
mainClass = System.getProperty("sun.java.command").split(" ")[0];
}
/**
* Instantiates a new MainClassJcmdExecutor targeting the VM indicated by the given main class
*
* @param target Main class of the target VM
*/
public MainClassJcmdExecutor(String target) {
super();
mainClass = target;
}
protected List<String> createCommandLine(String cmd) throws CommandExecutorException {
return Arrays.asList(jcmdBinary, mainClass, cmd);
}
}

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@ -0,0 +1,63 @@
/*
* Copyright (c) 2015, 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.
*/
package com.oracle.java.testlibrary.dcmd;
import com.oracle.java.testlibrary.ProcessTools;
import java.util.Arrays;
import java.util.List;
/**
* Executes Diagnostic Commands on the target VM (specified by pid) using the jcmd tool
*/
public class PidJcmdExecutor extends JcmdExecutor {
protected final int pid;
/**
* Instantiates a new PidJcmdExecutor targeting the current VM
*/
public PidJcmdExecutor() {
super();
try {
pid = ProcessTools.getProcessId();
} catch (Exception e) {
throw new CommandExecutorException("Could not determine own pid", e);
}
}
/**
* Instantiates a new PidJcmdExecutor targeting the VM indicated by the given pid
*
* @param target Pid of the target VM
*/
public PidJcmdExecutor(String target) {
super();
pid = Integer.valueOf(target);
}
protected List<String> createCommandLine(String cmd) throws CommandExecutorException {
return Arrays.asList(jcmdBinary, Integer.toString(pid), cmd);
}
}