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8160083: compiler.codecache.jmx.InitialAndMaxUsageTest can not be used w/ disabled SegmentedCodeCache

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Reviewed-by: kvn
This commit is contained in:
Dmitrij Pochepko 2016-08-09 14:16:44 +03:00
parent e9ea1b08e8
commit 432e69e8fe
1 changed files with 15 additions and 4 deletions
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19
hotspot/test/compiler/codecache/jmx/InitialAndMaxUsageTest.java
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@ -36,6 +36,11 @@
* -XX:CompileCommand=compileonly,null::* -XX:-UseLargePages
* -XX:+SegmentedCodeCache
* compiler.codecache.jmx.InitialAndMaxUsageTest
* @run main/othervm -Xbootclasspath/a:. -XX:-UseCodeCacheFlushing
* -XX:-MethodFlushing -XX:+UnlockDiagnosticVMOptions -XX:+WhiteBoxAPI
* -XX:CompileCommand=compileonly,null::* -XX:-UseLargePages
* -XX:-SegmentedCodeCache
* compiler.codecache.jmx.InitialAndMaxUsageTest
*/
package compiler.codecache.jmx;
@ -70,10 +75,16 @@ public class InitialAndMaxUsageTest {
}
}
private void fillWithSize(long size, List<Long> blobs) {
private void fillWithSize(long size, List<Long> blobs, MemoryPoolMXBean bean) {
long blob;
while ((blob = CodeCacheUtils.WB.allocateCodeBlob(size, btype.id))
!= 0L) {
/* Don't fill too much to have space for adapters. So, stop after crossing 95% and
don't allocate in case we'll cross 97% on next allocation. We can hit situation
like 94% -> (1 allocation) -> 100% otherwise. So, check if
<Usage + allocatedSize> is less than 97%, then allocate in case it is, then, stop
further allocations with given size in case <Usage> more than 95% */
while (((double) bean.getUsage().getUsed() + size <= (CACHE_USAGE_COEF + 0.02d) * maxSize)
&& (blob = CodeCacheUtils.WB.allocateCodeBlob(size, btype.id)) != 0L
&& ((double) bean.getUsage().getUsed() <= CACHE_USAGE_COEF * maxSize)) {
blobs.add(blob);
}
}
@ -96,7 +107,7 @@ public class InitialAndMaxUsageTest {
optimization */
try {
for (int coef = 1000000; coef > 0; coef /= 10) {
fillWithSize(coef * minAllocationUnit, blobs);
fillWithSize(coef * minAllocationUnit, blobs, bean);
}
Asserts.assertGT((double) bean.getUsage().getUsed(),
CACHE_USAGE_COEF * maxSize, String.format("Unable to fill "