stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8025226: TestPerfCountersAndMemoryPools.java fails with -Xmixed or -Xcomp

Browse Source 
Reviewed-by: brutisso, mgerdin
This commit is contained in:
Erik Helin 2013-09-30 11:39:07 +02:00
parent ce8f16808b
commit 2722c5d966
1 changed files with 13 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
hotspot/test/gc/metaspace/TestPerfCountersAndMemoryPools.java
View File

@ -29,10 +29,11 @@ import static com.oracle.java.testlibrary.Asserts.*;
/* @test TestPerfCountersAndMemoryPools
* @bug 8023476
* @library /testlibrary
* @summary Tests that a MemoryPoolMXBeans and PerfCounters for metaspace
* report the same data.
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:-UseCompressedOops -XX:-UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData -Xint TestPerfCountersAndMemoryPools
* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UseCompressedOops -XX:+UseCompressedKlassPointers -XX:+UseSerialGC -XX:+UsePerfData -Xint TestPerfCountersAndMemoryPools
*/
public class TestPerfCountersAndMemoryPools {
public static void main(String[] args) throws Exception {
@ -43,11 +44,11 @@ public class TestPerfCountersAndMemoryPools {
}
}
private static MemoryUsage getMemoryUsage(String memoryPoolName) {
private static MemoryPoolMXBean getMemoryPool(String memoryPoolName) {
List<MemoryPoolMXBean> pools = ManagementFactory.getMemoryPoolMXBeans();
for (MemoryPoolMXBean pool : pools) {
if (pool.getName().equals(memoryPoolName)) {
return pool.getUsage();
return pool;
}
}
@ -57,19 +58,18 @@ public class TestPerfCountersAndMemoryPools {
private static void checkMemoryUsage(String memoryPoolName, String perfNS)
throws Exception {
// Need to do a gc before each comparison to update the perf counters
MemoryPoolMXBean pool = getMemoryPool(memoryPoolName);
// Must do a GC to update performance counters
System.gc();
MemoryUsage mu = getMemoryUsage(memoryPoolName);
assertEQ(getMinCapacity(perfNS), mu.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();
mu = getMemoryUsage(memoryPoolName);
assertEQ(getUsed(perfNS), mu.getUsed());
System.gc();
mu = getMemoryUsage(memoryPoolName);
assertEQ(getCapacity(perfNS), mu.getCommitted());
assertEQ(getUsed(perfNS), pool.getUsage().getUsed());
assertEQ(getCapacity(perfNS), pool.getUsage().getCommitted());
}
private static long getMinCapacity(String ns) throws Exception {