RFR(XS): 8066998: [TESTBUG] compiler/whitebox/ForceNMethodSweepTest.java : sweep shouldn't increase usage
pavel.chistyakov at oracle.com
Tue Jan 20 17:37:12 UTC 2015
please review small fix for JDK-8066998
Problem: sometimes ForceNMethodSweepTest fails w/ "sweep shouldn't
increase usage" message that is caused by increasing of total counted
code cache usage after sweeping instead of decreasing. After some
investigations (thanks Albert Noll) we found that this behavior can be
forced by background compilation. It happens after controlled sweep
process and increases code cache usage unexpectedly.
Solution: disable background compilation for this test.
Testing: manual locally (about 1000 runs w/ and w/o background compilation)
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