@Test
public void testCMSAdaptiveSizePolicyPrintHeapAtGC() throws Exception {
TestLogHandler handler = new TestLogHandler();
handler.setLevel(Level.WARNING);
IMP_LOGGER.addHandler(handler);
DATA_READER_FACTORY_LOGGER.addHandler(handler);
ByteArrayInputStream in =
new ByteArrayInputStream(
("2012-04-18T14:48:31.855+0200: 29.592: [GC 29.592: [ASParNew: 52825K->6499K(59008K), 0.0268761 secs] 120805K->120749K(517760K), 0.0269605 secs] [Times: user=0.05 sys=0.00, real=0.03 secs]"
+ "\nHeap"
+ "\nadaptive size par new generation total 59008K, used 15368K [0x00000000d8000000, 0x00000000dc000000, 0x00000000dc000000)"
+ "\n eden space 52480K, 16% used [0x00000000d8000000, 0x00000000d88a95a0, 0x00000000db340000)"
+ "\n from space 6528K, 99% used [0x00000000db340000, 0x00000000db998cb0, 0x00000000db9a0000)"
+ "\n to space 6528K, 0% used [0x00000000db9a0000, 0x00000000db9a0000, 0x00000000dc000000)"
+ "\nconcurrent mark-sweep generation total 458752K, used 259541K [0x00000000dc000000, 0x00000000f8000000, 0x00000000f8000000)"
+ "\nconcurrent-mark-sweep perm gen total 65536K, used 2621K [0x00000000f8000000, 0x00000000fc000000, 0x0000000100000000)")
.getBytes());
final DataReader reader = new DataReaderSun1_6_0(in, GcLogType.SUN1_6);
GCModel model = reader.read();
assertEquals("GC count", 1, model.size());
assertEquals("GC pause", 0.0269605, model.getGCPause().getMin(), 0.000000001);
assertEquals("number of errors", 0, handler.getCount());
}
/**
* Test parsing of a malformed type. The test just expects an INFO to be logged - nothing else.
*/
@Test
public void testMalformedType() throws Exception {
TestLogHandler handler = new TestLogHandler();
handler.setLevel(Level.INFO);
IMP_LOGGER.addHandler(handler);
DATA_READER_FACTORY_LOGGER.addHandler(handler);
ByteArrayInputStream in =
new ByteArrayInputStream(
("[memory ][Thu Feb 21 15:06:38 2013][11844] 6.290-6.424: GC-malformed 3128161K->296406K (3145728K), sum of pauses 59.084 ms")
.getBytes());
DataReader reader = new DataReaderJRockit1_5_0(in);
reader.read();
// 3 INFO events:
// Reading JRockit ... format
// Failed to determine type ...
// Reading done.
assertEquals("number of infos", 3, handler.getCount());
List<LogRecord> logRecords = handler.getLogRecords();
assertEquals(
"should start with 'Failed to determine type'",
0,
logRecords.get(1).getMessage().indexOf("Failed to determine type"));
}
@Test
public void testPrintHeapAtGC() throws Exception {
TestLogHandler handler = new TestLogHandler();
handler.setLevel(Level.WARNING);
IMP_LOGGER.addHandler(handler);
DATA_READER_FACTORY_LOGGER.addHandler(handler);
final InputStream in = getClass().getResourceAsStream("SampleSun1_6_0PrintHeapAtGC.txt");
final DataReader reader = new DataReaderSun1_6_0(in, GcLogType.SUN1_6);
GCModel model = reader.read();
assertEquals("GC count", 2, model.size());
assertEquals("GC pause", 0.0134287, model.getGCPause().getMin(), 0.000000001);
assertEquals("number of errors", 0, handler.getCount());
}
@Test
public void testCMSAdaptiveSizePolicy() throws Exception {
TestLogHandler handler = new TestLogHandler();
handler.setLevel(Level.WARNING);
IMP_LOGGER.addHandler(handler);
DATA_READER_FACTORY_LOGGER.addHandler(handler);
final InputStream in =
getClass().getResourceAsStream("SampleSun1_6_0CMSAdaptiveSizePolicy.txt");
final DataReader reader = new DataReaderSun1_6_0(in, GcLogType.SUN1_6);
GCModel model = reader.read();
assertEquals("event count", 24, model.size());
assertEquals("young gc count", 11, model.getGCPause().getN());
assertEquals("full gc count", 1, model.getFullGCPause().getN());
assertEquals("number of errors", 0, handler.getCount());
}
@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());
}
