RFR: 8367801: jtreg failure_handler - don't use the -L option for ps command

[Aleksey Shipilev]

On Wed, 17 Sep 2025 05:20:29 GMT, Jaikiran Pai <jpai at openjdk.org> wrote:

> Can I please get a review of this trivial change to a jtreg failure handler command?
> 
> As noted in https://bugs.openjdk.org/browse/JDK-8367801, the change in this PR removes the use of "-L" option from the "ps" command to reduce the noise in the output of "ps". I have verified that the command continues to function properly when run as a failure handler action and it no longer contains the thread entries in the output.
> 
> The use of "-L" was introduced when this support to run failure handlers was first introduced in https://bugs.openjdk.org/browse/JDK-8132961. So there's wasn't explicit prior reason for including the "-L" option.

How bad is the output with `-L`, really? I would have thought having more debugging info is better for post-mortem diagnostics -- especially if you cannot re-run the test -- even if it is more verbose.

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PR Comment: https://git.openjdk.org/jdk/pull/27328#issuecomment-3302256315