public static void main(String args[]) throws Exception {
OutputAnalyzer output;
WhiteBox wb = WhiteBox.getWhiteBox();
// Grab my own PID
String pid = Integer.toString(ProcessTools.getProcessId());
ProcessBuilder pb = new ProcessBuilder();
// Use WB API to alloc and free with the mtTest type
long memAlloc3 = wb.NMTMalloc(128 * 1024);
long memAlloc2 = wb.NMTMalloc(256 * 1024);
wb.NMTFree(memAlloc3);
long memAlloc1 = wb.NMTMalloc(512 * 1024);
wb.NMTFree(memAlloc2);
// Use WB API to ensure that all data has been merged before we continue
if (!wb.NMTWaitForDataMerge()) {
throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
}
// Run 'jcmd <pid> VM.native_memory summary'
pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
output = new OutputAnalyzer(pb.start());
output.shouldContain("Test (reserved=512KB, committed=512KB)");
// Free the memory allocated by NMTAllocTest
wb.NMTFree(memAlloc1);
// Use WB API to ensure that all data has been merged before we continue
if (!wb.NMTWaitForDataMerge()) {
throw new Exception("Call to WB API NMTWaitForDataMerge() failed");
}
output = new OutputAnalyzer(pb.start());
output.shouldNotContain("Test (reserved=");
}
public static void main(String args[]) throws Exception {
is_64_bit_system = (Platform.is64bit());
OutputAnalyzer output;
whiteBox = WhiteBox.getWhiteBox();
// Grab my own PID
String pid = Integer.toString(ProcessTools.getProcessId());
ProcessBuilder pb = new ProcessBuilder();
AllocThread[] alloc_threads = new AllocThread[256];
ReleaseThread[] release_threads = new ReleaseThread[64];
int index;
// Create many allocation threads
for (index = 0; index < alloc_threads.length; index++) {
alloc_threads[index] = new AllocThread();
}
// Fewer release threads
for (index = 0; index < release_threads.length; index++) {
release_threads[index] = new ReleaseThread();
}
if (is_64_bit_system()) {
sleep_wait(2 * 60 * 1000);
} else {
sleep_wait(60 * 1000);
}
// pause the stress test
phase = TestPhase.pause;
while (pause_count.intValue() < alloc_threads.length + release_threads.length) {
sleep_wait(10);
}
long mallocd_total_in_KB = (mallocd_total + K / 2) / K;
// Now check if the result from NMT matches the total memory allocated.
String expected_test_summary =
"Test (reserved=" + mallocd_total_in_KB + "KB, committed=" + mallocd_total_in_KB + "KB)";
// Run 'jcmd <pid> VM.native_memory summary'
pb.command(new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "summary"});
output = new OutputAnalyzer(pb.start());
output.shouldContain(expected_test_summary);
// Release all allocated memory
phase = TestPhase.release;
synchronized (mallocd_memory) {
mallocd_memory.notifyAll();
}
// Join all threads
for (index = 0; index < alloc_threads.length; index++) {
try {
alloc_threads[index].join();
} catch (InterruptedException e) {
}
}
for (index = 0; index < release_threads.length; index++) {
try {
release_threads[index].join();
} catch (InterruptedException e) {
}
}
// All test memory allocated should be released
output = new OutputAnalyzer(pb.start());
output.shouldNotContain("Test (reserved=");
// Verify that tracking level has not been downgraded
pb.command(
new String[] {JDKToolFinder.getJDKTool("jcmd"), pid, "VM.native_memory", "statistics"});
output = new OutputAnalyzer(pb.start());
output.shouldNotContain("Tracking level has been downgraded due to lack of resources");
}
private void verifyRTMRetryCount(int retryCount) throws Throwable {
CompilableTest busyLock = new BusyLock();
long expectedAborts = retryCount + 1L;
OutputAnalyzer outputAnalyzer =
RTMTestBase.executeRTMTest(
busyLock,
"-XX:-UseRTMXendForLockBusy",
"-XX:RTMTotalCountIncrRate=1",
CommandLineOptionTest.prepareNumericFlag("RTMRetryCount", retryCount),
"-XX:RTMTotalCountIncrRate=1",
"-XX:+PrintPreciseRTMLockingStatistics",
BusyLock.class.getName(),
Boolean.toString(TestRTMRetryCount.INFLATE_MONITOR),
Integer.toString(TestRTMRetryCount.LOCKING_TIME));
outputAnalyzer.shouldHaveExitValue(0);
List<RTMLockingStatistics> statistics =
RTMLockingStatistics.fromString(
busyLock.getMethodWithLockName(), outputAnalyzer.getStdout());
Asserts.assertEQ(
statistics.size(),
1,
"VM output should contain "
+ "exactly one rtm locking statistics entry for method "
+ busyLock.getMethodWithLockName());
Asserts.assertEQ(
statistics.get(0).getTotalAborts(),
expectedAborts,
String.format("It is expected to get %d aborts", expectedAborts));
}
/**
* Executes a process, waits for it to finish, prints the process output to stdout and returns the
* process output.
*
* <p>The process will have exited before this method returns.
*
* @param pb The ProcessBuilder to execute.
* @return The {@linkplain OutputAnalyzer} instance wrapping the process.
*/
public static OutputAnalyzer executeCommand(ProcessBuilder pb) throws Throwable {
String cmdLine = pb.command().stream().collect(Collectors.joining(" "));
System.out.println("Command line: [" + cmdLine + "]");
OutputAnalyzer analyzer = ProcessTools.executeProcess(pb);
System.out.println(analyzer.getOutput());
return analyzer;
}
/**
* Executes a process, waits for it to finish, prints the process output to stdout, and returns
* the process output.
*
* <p>The process will have exited before this method returns.
*
* @param cmds The command line to execute.
* @return The {@linkplain OutputAnalyzer} instance wrapping the process.
*/
public static OutputAnalyzer executeCommand(String... cmds) throws Throwable {
String cmdLine = Arrays.stream(cmds).collect(Collectors.joining(" "));
System.out.println("Command line: [" + cmdLine + "]");
OutputAnalyzer analyzer = ProcessTools.executeProcess(cmds);
System.out.println(analyzer.getOutput());
return analyzer;
}
public static void main(String[] args) throws Exception {
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder("-XX:MaxMetaspaceSize=10m", "-Xshare:dump");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain(
"is not large enough.\nEither don't specify the -XX:MaxMetaspaceSize=<size>\nor increase the size to at least");
output.shouldHaveExitValue(2);
}
/**
* Used to log command line, stdout, stderr and exit code from an executed process.
*
* @param pb The executed process.
* @param output The output from the process.
*/
public static String getProcessLog(ProcessBuilder pb, OutputAnalyzer output) {
String stderr = output == null ? "null" : output.getStderr();
String stdout = output == null ? "null" : output.getStdout();
String exitValue = output == null ? "null" : Integer.toString(output.getExitValue());
StringBuilder logMsg = new StringBuilder();
final String nl = System.getProperty("line.separator");
logMsg.append("--- ProcessLog ---" + nl);
logMsg.append("cmd: " + getCommandLine(pb) + nl);
logMsg.append("exitvalue: " + exitValue + nl);
logMsg.append("stderr: " + stderr + nl);
logMsg.append("stdout: " + stdout + nl);
return logMsg.toString();
}
public static void main(String[] args) throws Exception {
ProcessBuilder pb = ProcessTools.createJavaProcessBuilder("-XX:+PrintWarnings=8", "-version");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("Improperly specified VM option 'PrintWarnings=8'");
output.shouldHaveExitValue(1);
pb = ProcessTools.createJavaProcessBuilder("-XX:-PrintWarnings=8", "-version");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Improperly specified VM option 'PrintWarnings=8'");
output.shouldHaveExitValue(1);
}
public static void main(String args[]) throws Exception {
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(
"-showversion",
"-XX:+UseParallelGC",
"-XX:+UseAdaptiveGCBoundary",
"-XX:+PrintCommandLineFlags",
SystemGCCaller.class.getName());
OutputAnalyzer output = new OutputAnalyzer(pb.start());
output.shouldContain("+UseAdaptiveGCBoundary");
output.shouldNotContain("error");
output.shouldHaveExitValue(0);
}
public static void main(String args[]) throws Exception {
if (!Platform.is64bit()) {
System.out.println(
"ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");
return;
}
ProcessBuilder pb =
ProcessTools.createJavaProcessBuilder(
"-Xbootclasspath/a:.",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:+WhiteBoxAPI",
"-XX:+UseCompressedOops",
"-XX:HeapBaseMinAddress=33G",
"-XX:-CreateCoredumpOnCrash",
"-Xmx32m",
DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
OutputAnalyzer output = new OutputAnalyzer(pb.start());
System.out.println("******* Printing stdout for analysis in case of failure *******");
System.out.println(output.getStdout());
System.out.println("******* Printing stderr for analysis in case of failure *******");
System.out.println(output.getStderr());
System.out.println("***************************************************************");
if (output.getStdout() != null
&& output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
// Test conditions broken. There is no protected page in ReservedHeapSpace in these
// circumstances. Silently passing test.
return;
}
if (Platform.isWindows()) {
output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
} else if (Platform.isOSX()) {
output.shouldContain("SIGBUS");
} else {
output.shouldContain("SIGSEGV");
}
}
public static void main(String[] args) throws Exception {
ProcessBuilder pb;
String filename = "./CDSCompressedKPtrsError.jsa";
if (Platform.is64bit()) {
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:+UseCompressedOops",
"-XX:+UseCompressedClassPointers",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=" + filename,
"-Xshare:dump");
OutputAnalyzer output = new OutputAnalyzer(pb.start());
try {
output.shouldContain("Loading classes to share");
output.shouldHaveExitValue(0);
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:-UseCompressedClassPointers",
"-XX:-UseCompressedOops",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=" + filename,
"-Xshare:on",
"-version");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Unable to use shared archive");
output.shouldHaveExitValue(0);
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:-UseCompressedClassPointers",
"-XX:+UseCompressedOops",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=" + filename,
"-Xshare:on",
"-version");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Unable to use shared archive");
output.shouldHaveExitValue(0);
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:+UseCompressedClassPointers",
"-XX:-UseCompressedOops",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=" + filename,
"-Xshare:on",
"-version");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Unable to use shared archive");
output.shouldHaveExitValue(0);
} catch (RuntimeException e) {
output.shouldContain("Unable to use shared archive");
output.shouldHaveExitValue(1);
}
// Test bad options with -Xshare:dump.
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:-UseCompressedOops",
"-XX:+UseCompressedClassPointers",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad1.jsa",
"-Xshare:dump");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Cannot dump shared archive");
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:+UseCompressedOops",
"-XX:-UseCompressedClassPointers",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad2.jsa",
"-Xshare:dump");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Cannot dump shared archive");
pb =
ProcessTools.createJavaProcessBuilder(
"-XX:-UseCompressedOops",
"-XX:-UseCompressedClassPointers",
"-XX:+UnlockDiagnosticVMOptions",
"-XX:SharedArchiveFile=./CDSCompressedKPtrsErrorBad3.jsa",
"-Xshare:dump");
output = new OutputAnalyzer(pb.start());
output.shouldContain("Cannot dump shared archive");
}
}
