Integrated: 8264735: Make dynamic dump repeatable

[Yumin Qi]

On Thu, 1 Jul 2021 02:39:07 GMT, Yumin Qi <minqi at openjdk.org> wrote:

> Hi, Please review
> 
>   Currently after dynamic dump, dump time tables (`_dumptime_talbles, _dumptime_lambda_proxy_class_dictionary and _saved_shared_path_table`) are corrupted and could not be used for next dump. The patch clones the three tables, and after dump restore them so the next dump is possible. With the fix, jcmd VM.cds dynamic_dump can do multiple dump to the same live process.
> 
>   Tests: tier1,tier2,tier3,tier4
>   
>   Thanks
>   Yumin

This pull request has now been integrated.

Changeset: f741e4ca
Author:    Yumin Qi <minqi at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/f741e4ca7499193d1d0d07fb27d11cbc0a6de6c1
Stats:     227 lines in 14 files changed: 191 ins; 19 del; 17 mod

8264735: Make dynamic dump repeatable

Reviewed-by: ccheung, iklam

-------------

PR: https://git.openjdk.java.net/jdk/pull/4646