On Thu, 24 Dec 2020 17:33:21 GMT, Daniel D. Daugherty <[email protected]> wrote:
> A small robustness fix in ThreadsSMRSupport::print_info_on() to reduce the > likelihood of crashes during error reporting. Uses Threads_lock->try_lock() > for safety and restricts some reporting to when the Threads_lock has been > acquired (depends on JDK-8256383). Uses a ThreadsListHandle to make > the current ThreadsList safe for reporting (depends on JDK-8258284). Also > detects when the system ThreadsList (_java_thread_list) has changed and > will warn that some of the reported info may now be stale. > > Two existing tests have been updated to reflect the use of a ThreadsListHandle > in ThreadsSMRSupport::print_info_on(). Mach5 Tier[1-6] testing has no > regressions. @dholmes-ora, @fisk and @robehn - You folks might be interested in this Thread-SMR related robustness fix. It should help during error reporting. ------------- PR: https://git.openjdk.java.net/jdk/pull/1891
