stan/jdk-24
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Lana Steuck 2016-01-28 15:42:23 -08:00
commit 9b59a8f5d0
1 changed files with 9 additions and 5 deletions
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14
hotspot/test/gc/metaspace/TestPerfCountersAndMemoryPools.java
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@ -64,14 +64,18 @@ public class TestPerfCountersAndMemoryPools {
throws Exception { throws Exception {
MemoryPoolMXBean pool = getMemoryPool(memoryPoolName); MemoryPoolMXBean pool = getMemoryPool(memoryPoolName);
// First, call all the methods to let them allocate their own slab of metadata
getMinCapacity(perfNS);
getCapacity(perfNS);
getUsed(perfNS);
pool.getUsage().getInit();
pool.getUsage().getUsed();
pool.getUsage().getCommitted();
assertEQ(1L, 1L);
// Must do a GC to update performance counters // Must do a GC to update performance counters
System.gc(); System.gc();
assertEQ(getMinCapacity(perfNS), pool.getUsage().getInit()); assertEQ(getMinCapacity(perfNS), pool.getUsage().getInit());
// Must do a second GC to update the perfomance counters again, since
// the call pool.getUsage().getInit() could have allocated some
// metadata.
System.gc();
assertEQ(getUsed(perfNS), pool.getUsage().getUsed()); assertEQ(getUsed(perfNS), pool.getUsage().getUsed());
assertEQ(getCapacity(perfNS), pool.getUsage().getCommitted()); assertEQ(getCapacity(perfNS), pool.getUsage().getCommitted());
} }