systemtap support with USTD1 only (Was: [PATCH 0 of 2] Add systemtap tapset tests)

[Mark Wielaard]

Hi,

On Mon, 2012-03-26 at 22:22 +0200, Mark Wielaard wrote:
> I am happy the tests showed the hotspot update didn't break anything.
> Next up is tweaking Andrew's introduction of USTD3 and try to just
> do the same thing as Solaris (aka USDT1, Apple uses USDT2 but systemtap
> should just support the SDTV1 source level). Then lets see if we can
> just get any changes left directly into hotspot instead of carrying
> them as a patch in the tree.

And that is the attached patch. I got rid of USDT3 and just made
GNU/Linux with systemtap USTD1 like Solaris with macros instead of
functions for all DTRACE probes. All new tests PASS with this.

I think everything still left in systemtap.patch can be pushed into
hotspot directly since the diff is actually pretty small. After this
gets in icedtea7 HEAD I'll propose it there next.

Cheers,

Mark
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