On Thu, 4 Dec 2025 00:19:25 GMT, Chris Plummer <[email protected]> wrote:
>> Don't enabled VIRTUAL_THREAD_START/END events unless absolutely necessary. >> Solves performance issues when trying to debug apps that create a lot of >> virtual threads. Details in first comment. >> >> With these changes the Skynet benchmark no longer shows any slowdown when >> launching with debugging enabled or when attaching the debugger. >> >> Tested with all tier2, tier3, tier5, and tier6 CI testing (with filters to >> only run svc tests). > > Chris Plummer has updated the pull request incrementally with two additional > commits since the last revision: > > - Fixed typo in comment > - Add comment for virtualThreadStartEventsEnabledForDeferredEventMode Looks good. ------------- Marked as reviewed by sspitsyn (Reviewer). PR Review: https://git.openjdk.org/jdk/pull/28485#pullrequestreview-3542659993
