@Test
public void testGenCon() throws Exception {
InputStream in = getInputStream("SampleJRockit1_5_12_gencon.txt");
DataReader reader = new DataReaderJRockit1_5_0(in);
GCModel model = reader.read();
assertEquals("count", 8, model.size());
GCEvent event = (GCEvent) model.get(0);
assertEquals("timestamp", 6.038, event.getTimestamp(), 0.000001);
assertEquals("name", Type.JROCKIT_GC.getName(), event.getExtendedType().getName());
assertEquals("before", 3089328, event.getPreUsed());
assertEquals("after", 352551, event.getPostUsed());
assertEquals("total", 3145728, event.getTotal());
assertEquals("pause", 0.1186, event.getPause(), 0.0000001);
}
@Test
public void testGcPrioThroughput() throws Exception {
InputStream in = getInputStream("SampleJRockit1_5_12_gcpriothroughput.txt");
DataReader reader = new DataReaderJRockit1_5_0(in);
GCModel model = reader.read();
assertEquals("count", 8, model.size());
GCEvent event = (GCEvent) model.get(0);
assertEquals("timestamp", 4.817, event.getTimestamp(), 0.000001);
assertEquals("name", Type.JROCKIT_GC.getName(), event.getExtendedType().getName());
assertEquals("before", 1641728, event.getPreUsed());
assertEquals("after", 148365, event.getPostUsed());
assertEquals("total", 3145728, event.getTotal());
assertEquals("pause", 0.039959, event.getPause(), 0.0000001);
}
@Test
public void testSimpleOpts() throws Exception {
InputStream in = getInputStream("SampleJRockit1_5_12-gcreport-simpleopts-singlecon.txt");
DataReader reader = new DataReaderJRockit1_5_0(in);
GCModel model = reader.read();
assertEquals("count", 5, model.size());
GCEvent event = (GCEvent) model.get(0);
assertEquals("timestamp", 6.771, event.getTimestamp(), 0.000001);
assertEquals("name", Type.JROCKIT_GC.getName(), event.getExtendedType().getName());
assertEquals("before", 3145728, event.getPreUsed());
assertEquals("after", 296406, event.getPostUsed());
assertEquals("total", 3145728, event.getTotal());
assertEquals("pause", 0.066, event.getPause(), 0.0000001);
}
@Test
public void testGcPrioPausetime() throws Exception {
TestLogHandler handler = new TestLogHandler();
handler.setLevel(Level.WARNING);
IMP_LOGGER.addHandler(handler);
DATA_READER_FACTORY_LOGGER.addHandler(handler);
InputStream in = getInputStream("SampleJRockit1_5_12_gcpriopausetime.txt");
DataReader reader = new DataReaderJRockit1_5_0(in);
GCModel model = reader.read();
assertEquals("count", 10, model.size());
GCEvent event = (GCEvent) model.get(0);
assertEquals("timestamp", 6.290, event.getTimestamp(), 0.000001);
assertEquals("name", Type.JROCKIT_GC.getName(), event.getExtendedType().getName());
assertEquals("before", 3128161, event.getPreUsed());
assertEquals("after", 296406, event.getPostUsed());
assertEquals("total", 3145728, event.getTotal());
assertEquals("pause", 0.059084, event.getPause(), 0.0000001);
assertEquals("number of warnings", 6, handler.getCount());
}
public GCModel read() throws IOException {
if (LOG.isLoggable(Level.INFO)) LOG.info("Reading IBM 1.3.1 format...");
try {
final GCModel model = new GCModel(true);
model.setFormat(GCModel.Format.IBM_VERBOSE_GC);
int state = 0;
String line = null;
GCEvent lastEvent = new GCEvent();
GCEvent event = null;
long basetime = 0;
cycleStartGCFormat = new SimpleDateFormat("EEE MMM dd HH:mm:ss yyyy", Locale.US);
while ((line = in.readLine()) != null) {
final String trimmedLine = line.trim();
if (!"".equals(trimmedLine)
&& !trimmedLine.startsWith("<GC: ")
&& !trimmedLine.startsWith("<")) {
System.err.println("Malformed line (" + in.getLineNumber() + "): " + line);
state = 0;
}
switch (state) {
case 0:
if (line.indexOf("Allocation Failure.") != -1) {
event = new GCEvent();
event.setType(AbstractGCEvent.Type.FULL_GC);
event.setTimestamp(lastEvent.getTimestamp() + parseTimeSinceLastAF(line));
// stay in state 0
break;
} else if (line.indexOf("GC cycle started") != -1) { // can apparently occur without AF
event = new GCEvent();
event.setType(AbstractGCEvent.Type.FULL_GC);
final long time = parseGCCycleStart(line);
if (basetime == 0) basetime = time;
event.setTimestamp((time - basetime) / 1000.0d);
state++;
break;
} else if (line.indexOf("managing allocation failure, action=3") != -1) {
event = new GCEvent();
event.setType(AbstractGCEvent.Type.FULL_GC);
event.setTimestamp(lastEvent.getTimestamp() + lastEvent.getPause());
event.setPreUsed(parsePreUsedAFAction3(line));
event.setPostUsed(event.getPreUsed());
state = 2;
break;
}
break;
case 1:
if (line.indexOf("freed") != -1 && line.indexOf("unloaded") == -1) {
event.setPreUsed(parsePreUsed(line));
event.setPostUsed(parsePostUsed(line));
event.setTotal(parseTotalAfterGC(line));
event.setPause(parsePause(line));
model.add(event);
lastEvent = event;
event = null;
state = 0;
break;
}
break;
case 2:
if (line.indexOf("expanded heap by ") != -1
|| line.indexOf("expanded heap fully by ") != -1) {
event.setTotal(parseTotalAfterHeapExpansion(line));
state++;
break;
}
break;
case 3:
if (line.indexOf("completed in ") != -1) {
event.setPause(parsePause(line) - lastEvent.getPause());
model.add(event);
lastEvent = event;
event = null;
state = 0;
}
break;
default:
}
}
// System.err.println(model);
return model;
} finally {
if (in != null)
try {
in.close();
} catch (IOException ioe) {
}
if (LOG.isLoggable(Level.INFO)) LOG.info("Done reading.");
}
}
