G'Day,
----- peter.memish...@oracle.com wrote:
> > A reprise on what seems to be a long story...
> >
> > I've just downloaded dtrace toolkit 0.99 and, like many others over the
> > years, I'm having trouble with tcptop and tcpsnoop
>
> I can't speak to Solaris 10, but as for OpenSolaris (which is the subject
> of this alias), PSARC/2010/106 ("DTrace TCP and UDP providers") was
> recently approved, and with it will come a set of stable TCP and UDP probe
> points, along with a full set of DTrace Toolkit scripts using those
> stable providers (including tcpsnoop and tcptop). This work is currently
> targeting build 141.
Apologies for the broken scripts, and if it appears that no one is trying to
fix it; many of us have been, the outcome of which the PSARC case Peter
mentioned. And as Peter mentioned, this includes stable versions of tcpsnoop
and tcptop - at last!
The first goal was to come up with a stable TCP provider so that a robust (and
final) version of the scripts can be written. This stops tcpsnoop and tcptop
breakage in subsequent OpenSolaris versions (and Solaris when it appears
there), which stops the problem getting worse.
Then we can tackle the problem on hand - how many builds of OpenSolaris and
Solaris 10 do the current DTraceToolkit scripts not work for. Then fix them
one by one (some solutions have been posted here over the years).
Brendan
--
Brendan Gregg, Fishworks http://blogs.sun.com/brendan
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