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8059047: Extract parser/validator from jhat for use in tests

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Reviewed-by: sla
This commit is contained in:
Katja Kantserova 2015-04-28 14:36:31 +02:00
parent 01aedea8fc
commit fbc3e76d86
1 changed files with 38 additions and 35 deletions
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73
hotspot/test/serviceability/dcmd/gc/HeapDumpTest.java
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@ -24,7 +24,13 @@
import org.testng.annotations.Test;
import org.testng.Assert;
import java.io.File;
import java.nio.file.Files;
import java.io.IOException;
import java.util.List;
import jdk.test.lib.hprof.HprofParser;
import jdk.test.lib.hprof.model.Snapshot;
import com.oracle.java.testlibrary.JDKToolFinder;
import com.oracle.java.testlibrary.OutputAnalyzer;
@ -35,59 +41,56 @@ import com.oracle.java.testlibrary.dcmd.PidJcmdExecutor;
* @test
* @summary Test of diagnostic command GC.heap_dump
* @library /testlibrary
* @library /../../test/lib/share/classes
* @modules java.base/sun.misc
* java.compiler
* java.management
* jdk.jvmstat/sun.jvmstat.monitor
* @build com.oracle.java.testlibrary.*
* @build com.oracle.java.testlibrary.dcmd.*
* @build jdk.test.lib.hprof.*
* @build jdk.test.lib.hprof.module.*
* @build jdk.test.lib.hprof.parser.*
* @build jdk.test.lib.hprof.utils.*
* @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.getJDKTool("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();
}
public void run(CommandExecutor executor) throws IOException {
File dump = new File("jcmd.gc.heap_dump." + System.currentTimeMillis() + ".hprof");
if (dump.exists()) {
dump.delete();
}
if (output.getExitValue() != 0) {
Assert.fail("Test error: jhat exit code was nonzero");
String cmd = "GC.heap_dump " + heapDumpArgs + " " + dump.getAbsolutePath();
executor.execute(cmd);
dump.delete();
}
private void verifyHeapDump(File dump) {
Assert.assertTrue(dump.exists() && dump.isFile(), "Could not create dump file " + dump.getAbsolutePath());
try {
File out = HprofParser.parse(dump);
Assert.assertTrue(out != null && out.exists() && out.isFile(), "Could not find hprof parser output file");
List<String> lines = Files.readAllLines(out.toPath());
Assert.assertTrue(lines.size() > 0, "hprof parser output file is empty");
for (String line : lines) {
Assert.assertFalse(line.matches(".*WARNING(?!.*Failed to resolve object.*constantPoolOop.*).*"));
}
out.delete();
} catch (Exception e) {
e.printStackTrace();
Assert.fail("Could not parse dump file " + dump.getAbsolutePath());
}
}
/* GC.heap_dump is not available over JMX, running jcmd pid executor instead */
@Test
public void pid() {
public void pid() throws IOException {
run(new PidJcmdExecutor());
}
}