RFR: 8352730: RISC-V: Disable tests in qemu-user

[Alan Bateman]

On Wed, 26 Mar 2025 06:21:31 GMT, Robbin Ehn <rehn at openjdk.org> wrote:

> One issue with high timeout factor is that make+jtreg only can parallelize tests in the same directory. Which means you often end up with just waiting for one test to complete before anything else can happen.

jtreg doesn't require tests that run concurrently with others to be in the same directory. The inverse, where exclusiveAccess.dirs prevents tests in a directory/tree from running at the same time as other tests in that directory/tree also doesn't prevent tests in other locations from executing concurrently.

Given the execution times, I wonder if you've looked at using the finer grain test groups and splitting the execution across a number of machines. Yes, it means combing results but I assume you'll this for high tiers anyway as the execution time goes up significantly beyond tier1.

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PR Comment: https://git.openjdk.org/jdk/pull/24229#issuecomment-2753896771