RFR: 8362530: VM crash with -XX:+PrintTieredEvents when collecting AOT profiling

[Vladimir Kozlov]

On Tue, 12 Aug 2025 18:02:16 GMT, Igor Veresov <iveresov at openjdk.org> wrote:

> When printing tiered events we take the ttyLock and also now the trainingDataLock. While benign it's best to decouple these. The solution is to gather the output bits in a buffer and then print it.

Looks good.

-------------

Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26750#pullrequestreview-3112138230