On Wed, 3 Dec 2025 14:59:10 GMT, Joel Sikström <[email protected]> wrote:
> 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. This pull request has now been integrated. Changeset: 786833cd Author: Joel Sikström <[email protected]> URL: https://git.openjdk.org/jdk/commit/786833cd1bf8eda1cef25da392a055f4eb371abf Stats: 7 lines in 2 files changed: 3 ins; 3 del; 1 mod 8373022: serviceability/sa/ClhsdbScanOops.java assumes no GC should occur Reviewed-by: cjplummer, stefank, ayang, tschatzl ------------- PR: https://git.openjdk.org/jdk/pull/28637
