RFR(S): 8170672: Event-based tracing to support classloader instances
Lois Foltan
lois.foltan at oracle.com
Tue Dec 6 22:02:15 UTC 2016
On 12/5/2016 6:33 PM, Markus Gronlund wrote:
> Greetings,
>
>
>
> Kindly asking for reviews for the following changeset:
>
>
>
> Bug/Enh: https://bugs.openjdk.java.net/browse/JDK-8170672
>
> Webrev: http://cr.openjdk.java.net/~mgronlun/8170672/webrev01/
>
> (this work is covered by an FC exception)
Hi Markus,
Looks good. One comment:
src/share/vm/trace/traceStream.hpp
- line #121 - you might want to check not only if the
class_loader_name_oop is NULL but also for the empty string? Much like
the code does in runtime/SharedRuntime.cpp class_loader_and_module_name()?
Thanks,
Lois
>
>
>
> Summary:
>
> Event-based tracing previously had little information about class loaders; a class loader was essentially treated no different than from a regular class (type information only).
>
> With JDK9, supported has been added to java.lang.ClassLoader to associate a name with an individual class loader instance.
>
>
>
> This changeset will allow the name information of individual class loader instances to be provided by the event-based tracing framework.
>
>
>
> Aux info:
>
> Some folding of the numerous macros completed as well.
>
>
>
> Thanks in advance
> Markus
>
>
More information about the serviceability-dev
mailing list