RFR(L): 8214542: JFR: Old Object Sample event slow on a deep heap in debug builds
erik.gahlin at oracle.com
Mon Jul 1 14:48:41 UTC 2019
> On 28 Jun 2019, at 17:56, Markus Gronlund <markus.gronlund at oracle.com> wrote:
> Kindly asking for reviews for the following changeset:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8214542
> Webrev: http://cr.openjdk.java.net/~mgronlun/8214542/webrev01/
> Testing: test/jdk/:jdk_jfr
> Removal of heavy current_frontier assertion.
> Trimmed down storage requirements by only storing necessary contextual edges.
> Normalized representation of edges for better reuse.
> Better preservation of already persisted tree structure by less intrusive reuse logic.
> Thank you in advance
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