@Test
public void testCmsMemory() throws Exception {
final InputStream in = getClass().getResourceAsStream("SampleSun1_6_0CMS.txt");
final DataReader reader = new DataReaderSun1_6_0(in, GcLogType.SUN1_6);
GCModel model = reader.read();
assertEquals("GC count", 41, model.size());
assertEquals("heap min allocated", 249088, model.getHeapAllocatedSizes().getMin());
assertEquals("heap max allocated", 249088, model.getHeapAllocatedSizes().getMax());
assertEquals("young min allocated", 118016, model.getYoungAllocatedSizes().getMin());
assertEquals("young max allocated", 118016, model.getYoungAllocatedSizes().getMax());
assertEquals("tenured min allocated", 131072, model.getTenuredAllocatedSizes().getMin());
assertEquals("tenured max allocated", 131072, model.getTenuredAllocatedSizes().getMax());
assertEquals("perm min allocated", 21248, model.getPermAllocatedSizes().getMin());
assertEquals("perm max allocated", 21248, model.getPermAllocatedSizes().getMax());
assertEquals("heap min used", 80841, model.getHeapUsedSizes().getMin());
assertEquals("heap max used", 209896, model.getHeapUsedSizes().getMax());
assertEquals("young min used", 15160, model.getYoungUsedSizes().getMin());
assertEquals("young max used", 118010, model.getYoungUsedSizes().getMax());
assertEquals("tenured min used", 0, model.getTenuredUsedSizes().getMin());
assertEquals("tenured max used", 115034, model.getTenuredUsedSizes().getMax());
assertEquals("perm min used", 2560, model.getPermUsedSizes().getMin());
assertEquals("perm max used", 2561, model.getPermUsedSizes().getMax());
assertEquals("promotion avg", 16998.3846, model.getPromotion().average(), 0.0001);
assertEquals("promotion total", 220979, model.getPromotion().getSum());
}
/**
* Often only the young generation information is explicitly present. Old generation memory size
* can be derived from heap - young size. This test checks for presence of derived memory
* information.
*/
@Test
public void testDerivedGenerationValues() throws Exception {
ByteArrayInputStream in =
new ByteArrayInputStream(
"10.675: [GC [PSYoungGen: 21051K->4947K(22656K)] 23342K->7238K(67712K), 0.0191817 secs] [Times: user=0.09 sys=0.01, real=0.02 secs]"
.getBytes());
final DataReader reader = new DataReaderSun1_6_0(in, GcLogType.SUN1_6);
GCModel model = reader.read();
assertEquals("GC count", 1, model.size());
assertEquals("young used", 21051, model.getYoungUsedSizes().getMin());
assertEquals("young allocated", 22656, model.getYoungAllocatedSizes().getMax());
assertEquals("tenured used", 23342 - 21051, model.getTenuredUsedSizes().getMin());
assertEquals("tenured allocated", 67712 - 22656, model.getTenuredAllocatedSizes().getMax());
}