How to enable logging?

Andrew Haley aph at
Wed Aug 23 09:52:28 UTC 2017

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.

Andrew Haley
Java Platform Lead Engineer
Red Hat UK Ltd. <>
EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671

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