> Hello, > > If the initial heap size is set too low in > serviceability/sa/ClhsdbScanOops.java, a GC migh run, which will interfere > with the test and might cause it to fail. > > The test is scanning the oops in a region of the heap, and after a GC that > region appears to be empty, so the output that the test expects is not > present. Running the test with a larger explicit InitialHeapSize gives enough > headroom to not run a GC. > > Testing: > * serviceability/sa/ClhsdbScanOops.java originally failed when run with > `-XX:InitialRAMPercentage=0` (which is the new default). We now explicitly > set `-XX:InitialHeapSize=100M`. I've rerun the test 10 times with Serial and > Parallel for each test and they all pass.
Joel Sikström has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains five additional commits since the last revision: - Remove ClhsdbScanOops.java from ProblemList - Merge branch 'master' into JDK-8373022_initialheapsize_test_no_gc - Remove InitialHeapSize from MethodInvokeWithTraceOnTest - Spell fix - 8373022: Increase initial heap size for test which assumes no GC ------------- Changes: - all: https://git.openjdk.org/jdk/pull/28637/files - new: https://git.openjdk.org/jdk/pull/28637/files/97f53447..0f85529d Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=28637&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=28637&range=00-01 Stats: 8457 lines in 271 files changed: 6033 ins; 1546 del; 878 mod Patch: https://git.openjdk.org/jdk/pull/28637.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28637/head:pull/28637 PR: https://git.openjdk.org/jdk/pull/28637
