[11u] Questions re. CSR && Backport of JDK-8205516: JFR tool

[Langer, Christoph]

Hi Jie, Mario,

we already ran through backporting an issue with an attached CSR, so I can give you some advice:

Generally, you should create a backport JBS item for the issue with target 11-pool. From that one, you'll have to create a CSR, also with version set to 11-pool. In that CSR you can largely paste the original CSR data (as it applies).

For your case, I see that there already exists an 11-pool backport item, assigned to Fairoz Matte: https://bugs.openjdk.java.net/browse/JDK-8222896.

Maybe you and the colleagues from Oracle could cooperate on this item, at least for JDK11...? Hence, cc-ing hotspot-jfr-dev and Erik and Fairoz.

Best regards,
Christoph


> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-bounces at openjdk.java.net> On
> Behalf Of Mario Torre
> Sent: Donnerstag, 2. Mai 2019 19:53
> To: Jie Kang <jkang at redhat.com>
> Cc: jdk-updates-dev at openjdk.java.net
> Subject: Re: [11u] Questions re. CSR && Backport of JDK-8205516: JFR tool
> 
> Since we’re backporting JFR to 8, perhaps makes sense to do that for 8 as
> well ;)
> 
> I can help you with the bug and the CSR request, I’ll give a look at it and
> let you know.
> 
> Cheers,
> Mario
> 
> On Thu 2. May 2019 at 19:28, Jie Kang <jkang at redhat.com> wrote:
> 
> > Hi all,
> >
> > I am interested in doing the backport work for JDK-8205516: JFR tool
> > [1] to openjdk 11u. A CSR was filed for the original bug so I believe
> > I will need to file a CSR for the backport bug [2] as well. However, I
> > am not an author or a committer; is this something someone can do in
> > my stead?
> >
> > Also: why should the JFR tool be backported to 11?
> >
> > JFR is now in openjdk 11+. In order to extract information from flight
> > recordings, one would need to write a parser, maybe using existing
> > java libraries like jmc-core, download a separate tool (if any exist),
> > or use JMC, a full fledged GUI application. A CLI tool that is part of
> > the JDK is a very good alternative and I think it makes sense for the
> > JFR tool to be available in JDKs that support flight recordings,
> > including 11.
> >
> >
> > Regards,
> >
> > [1] https://bugs.openjdk.java.net/browse/JDK-8205516
> > [2] https://bugs.openjdk.java.net/browse/JDK-8222896
> >
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