RFR(M): 8032462 Change the linux SDT implementation to use USDT2 instead of USDT1

[Keith McGuigan]

Hi Staffan,

It looks ok to me.  LInux has a 'dtrace' command now?

--
- Keith


On Tue, Jan 28, 2014 at 3:52 AM, Staffan Larsen
<staffan.larsen at oracle.com>wrote:

> Still looking for reviewers for this change.
>
> Thanks,
> /Staffan
>
> On 23 jan 2014, at 08:36, Staffan Larsen <staffan.larsen at oracle.com>
> wrote:
>
> > The only usage today of the DTrace macros under the USDT1 define is the
> SDT provider on linux. This can be changed to use the USDT2 style by
> preprocessing the .d files into .h files with the dtrace utility in the
> same way as we do on solaris and OS X.
> >
> > I have also moved the provider definition files (hotspot.d,
> hotspot_jni.d and hs_private.d) to a common directory instead of having one
> identical copy per platform.
> >
> > I would really like to have a review from somebody on the IcedTea team
> since I haven't been able to fully verify this change by running systemtap.
> >
> > Once this change is done, we can proceed to remove the USDT1 style
> macros.
> >
> > webrev: http://cr.openjdk.java.net/~sla/8032462/webrev.00/
> > bug: https://bugs.openjdk.java.net/browse/JDK-8032462
> >
> > testing: vm.dtrace.testlist in nsk
> >
> > Thanks,
> > /Staffan
>
>
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