RFR: JDK-8142475: Remove TraceParallelOldGCTasks
david.lindholm at oracle.com
Thu Nov 12 08:24:04 UTC 2015
Changes looks good. Reviewed.
On 2015-11-11 13:46, Bengt Rutisson wrote:
> Hi all,
> Could I have a couple of reviews for this change?
> The ParallelGC has logging in debug builds (even if it is guarded by a
> product flag) that logs messages for each task.
> The output from this logging i pretty scrambled and hard to make sense
> of. Each thread prints the task it is currently working on. There is
> no correlation between threads and there is no summary to add times
> for related tasks.
> This type of per thread information is hard to make useful in a log
> file. It would be much better to add trace events for this information.
> Rather than trying to fix this logging we should remove it. If it
> turns out that it is needed in the future we should add trace events
> to track it.
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