[ltt-dev] LTTng:kernel compatibility

[Mathieu Desnoyers]

* Steve Langstaff (steve.langstaff at pebblebay.com) wrote:
> > From: Mathieu Desnoyers [mailto:compudj at krystal.dyndns.org]
> > * Steve Langstaff (steve.langstaff at pebblebay.com) wrote:
> > > I have a question about the LTTng compatibility matrix at:
> > > http://ltt.polymtl.ca/svn/trunk/lttv/doc/developer/lttng-lttv-
> > compatibility.
> > > html
> > >
> > > ...
> > > LTTng 0.123 supports kernel 2.6.29.1.
> > > LTTng 0.124 fixes a mutex circular dependency in ltt-trace-control.
> > > LTTng 0.125 supports kernel 2.6.30-rc1.
> > > LTTng 0.126 supports kernel 2.6.30-rc2.
> > > LTTng 0.129 finally gets merge with event tracer right.
> > > ...
> > >
> > > I am running a 2.6.29.2 kernel, so how should I read the
> > compatibility
> > > matrix?
> >
> > 2.6.29.1 and 2.6.29.2 are _very_ close (only mainline bugfixes).
> > Therefore it would be better for you to start with a LTTng compatible
> > with 2.6.29.1. Here the best choice would be 0.124.
> 
> So, in general, I should:
> 1) Search the matrix for the version of LTTng that has the closest match to
> 'my' kernel.
> 2) From there, find the next "supports kernel" line.
> 3) Take the previous version of LTTng.
> 

Yes, that's it.

Mathieu

> Thanks.
> 
> 
> 
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-- 
Mathieu Desnoyers
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