RFR: 8323529: Relativize test image dependencies in microbenchmarks

[Claes Redestad]

On Thu, 11 Jan 2024 17:49:42 GMT, Erik Joelsson <erikj at openjdk.org> wrote:

> Fair enough. This isn't worse than the current CWD. The test image dir and the support output dir have no guaranteed relationship relative to each other, so we can't rely any relative path between them.

Thanks! Perhaps we can improve things down the line so that it'd be possible or even easy to run out of test-support. Using the JMH java API is doable to achieve this, but then we'd need to change the way we run micros in some rather convoluted ways.

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PR Comment: https://git.openjdk.org/jdk/pull/17349#issuecomment-1888786622