Integrated: 8294993: LingeredApp test update

[Kevin Walls]

On Fri, 7 Oct 2022 19:54:54 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

> There are a few changes we can make to better understand the LingeredApp test when it goes wrong:
> 
> startAppExactJvmOpts() should not try and call finishApp unless the process isAlive, that just creates a misleading exception.
> 
> waitAppReady() is really waitAppReadyOrCrashed(), and should not timeout immediately after the 1 second sleep, or we lose a second of our timeout value (not critical with a long timeout, but seems more honest).
> 
> Show how long we waited when startup/crashing times out.
> 
> Show how long a good startup takes, so we have a basic for comparison when it fails.
> 
> Show if there are hs_err/core/mdmp files in the working directory after startup/crash attempt.
> 
> Also, in open/test/lib/jdk/test/lib/util/CoreUtils.java:
> 
> "Move core file" often seems unnecessary, core/mdmp usually being created in the current directory. But getCoreFileLocation() performs Files.move() which takes enough time to not be a no-op.

This pull request has now been integrated.

Changeset: 9051dded
Author:    Kevin Walls <kevinw at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/9051dded84ef2d248483a6a1472def1eab79654f
Stats:     59 lines in 2 files changed: 39 ins; 5 del; 15 mod

8294993: LingeredApp test update

Reviewed-by: cjplummer, amenkov

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PR: https://git.openjdk.org/jdk/pull/10613