Try -Xlog:safepoint+cleanup /Claes On 2017-08-23 11:52, Andrew Haley wrote: > In ParallelSPCleanupTask::work I see: > > TraceTime timer(name, TRACETIME_LOG(Info, safepoint, cleanup)); > > How do I enable this log? I've been searching for documentation for the > last hour or so. Thanks. >