[crac] Integrated: 8328344: [CRaC] Avoid error when running with -XX:+PerfDisableSharedMem

[Volker Simonis]

On Mon, 18 Mar 2024 10:37:04 GMT, Volker Simonis <simonis at openjdk.org> wrote:

> CRaC tries to unconditionally restore the hsperf file, even if the checkpointed JVM process was started with `-XX:+PerfDisableSharedMem`.
> 
> The fix is trivial: check for the existence of the hsperf file in `PerfMemoryLinux::restore()` just as we already do it in `PerfMemoryLinux::checkpoint()`.

This pull request has now been integrated.

Changeset: 7d03b259
Author:    Volker Simonis <simonis at openjdk.org>
URL:       https://git.openjdk.org/crac/commit/7d03b259392fbfaa27d3223e80cfbfc5a5d833de
Stats:     60 lines in 2 files changed: 39 ins; 10 del; 11 mod

8328344: [CRaC] Avoid error when running with -XX:+PerfDisableSharedMem

Reviewed-by: akozlov

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PR: https://git.openjdk.org/crac/pull/153