[jdk11u-dev] Integrated: 8215624: Add parallel heap iteration for jmap –histo

[Bin Liao]

On Tue, 13 Jul 2021 09:50:45 GMT, Bin Liao <github.com+3094961+buddyliao at openjdk.org> wrote:

> Unclean backport, since original patch does not apply cleanly to 11u, because jmap command parameter is different between each other, and the code structure has little changed.
>  
>     8215624: Add parallel heap iteration for jmap -histo
>     8253763: ParallelObjectIterator should have virtual destructor

This pull request has now been integrated.

Changeset: 085dbe32
Author:    Bin Liao <buddyliao at tencent.com>
Committer: Christoph Langer <clanger at openjdk.org>
URL:       https://git.openjdk.java.net/jdk11u-dev/commit/085dbe326db0684bee22719094ff7e719f9aacb0
Stats:     298 lines in 18 files changed: 253 ins; 6 del; 39 mod

8215624: Add parallel heap iteration for jmap –histo
8253763: ParallelObjectIterator should have virtual destructor

Chunk and parallelize the heap scan

Reviewed-by: clanger
Backport-of: 3498a10a2b4cfcdf219b4433124a2358eb6100c9

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/127