On Wed, 21 Dec 2022 20:03:38 GMT, Alexey Ivanov <aiva...@openjdk.org> wrote:
>> @jaikiran Thank you for the details. I'll check if the duration of run >> differed drastically. I thought all the client tests run in non-concurrent >> mode by default or does this differ for headful and headless test? > > *Headful* tests are not supposed concurrently: they display UI and often use > Robot to send input events to the UI. Running such tests concurrently leads > to obscure failures. In our CI system, `JTREG_JOBS=1` is passed to `make` > when running headful tests. > > There's a set of *headless* tests which can be run concurrently. Such tests > will be affected if they're run concurrently. @aivanov-jdk If it affects the run time of certain group of tests then it is better not to add it to `exclusiveAccess.dirs` and explicitly specify the `JTREG_JOBS=1` instead as both produce same results? ------------- PR: https://git.openjdk.org/jdk/pull/11747