[lttng-dev] babletrace with python bindings

[Mathieu Desnoyers]

* David OShea (David.OShea at quantum.com) wrote:
> > -----Original Message-----
> > From: Mathieu Desnoyers [mailto:mathieu.desnoyers at efficios.com]
> > Sent: Thursday, 20 December 2012 5:10 AM
> > To: ajonwa ajonwa
> > Cc: lttng-dev at lists.lttng.org
> > Subject: Re: [lttng-dev] babletrace with python bindings
> > 
> > * ajonwa ajonwa (ajonwa at gmx.com) wrote:
> > > Hello everyone,
> > >
> > >  I get the following error message while attempting to compile
> > babeltrace with python bindings:
> [...]
> > This branch is currently in development, and might be out of sync with
> > the master branch of babeltrace at the moment. We don't have immediate
> > plans to work on it, but bontributions are welcome.
> 
> Apologies for the late reply.  I just wanted to point out that if you
> check out commit 24a3136a383, it does build.  It's an older version of
> babeltrace, but does work despite some bugs.
> 
> The main bug I recall is that
> iterator.set_pos(babeltrace.IterPos(babeltrace.SEEK_BEGIN)) doesn't
> fail immediately, and works in some traces, but sometimes results in a
> subsequent assertion failure in the Python interpreter after a few
> events have been read, or returns a bogus event at the start of the
> trace.  Quite possibly this is a babeltrace bug that has been fixed
> already. 

Probably by this commit:

commit 08ac0e0801251211279f9deb07f9cbbbd712d9c5
Author: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
Date:   Fri Nov 9 13:02:59 2012 -0500

    Fix SEEK_BEGIN for streams that do not contain any event
    
    Reported-by: Yannick Brosseau <yannick.brosseau at gmail.com>
    Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>

Thanks,

Mathieu


> 
> Regards,
> David
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com