[crac] Integrated: 8350088: [CRaC] Stop & restart JFR recording on checkpoint

Radim Vansa rvansa at openjdk.org
Thu Feb 20 09:17:32 UTC 2025


On Fri, 14 Feb 2025 16:28:23 GMT, Radim Vansa <rvansa at openjdk.org> wrote:

> All JFR recordings are closed during checkpoint. After restore JDK starts new recordings with the same parameters as those running before checkpoint.
> The recordings dumped before checkpoint are moved to a different path (`xxx.jfr` -> `xxx.<N>.jfr`, `xxx` -> `xxx.<N>` with `<N>` between 0 and 20 by default). 
> If `-XX:StartFlightRecorder=...` is passed on restore a new recording is started.

This pull request has now been integrated.

Changeset: d9241582
Author:    Radim Vansa <rvansa at openjdk.org>
URL:       https://git.openjdk.org/crac/commit/d924158264571823efb78e0eaa7b50bc43e9fb7d
Stats:     514 lines in 24 files changed: 510 ins; 0 del; 4 mod

8350088: [CRaC] Stop & restart JFR recording on checkpoint

Reviewed-by: tpushkin

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PR: https://git.openjdk.org/crac/pull/203


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