[lttng-dev] [RELEASE] LTTng Tools 2.2.0 - Cuda (STABLE)

[Mathieu Desnoyers]

* Mathieu Desnoyers (mathieu.desnoyers at efficios.com) wrote:
> * Thibault, Daniel (Daniel.Thibault at drdc-rddc.gc.ca) wrote:
> > -----Message d'origine-----
> > Message: 5
> > Date: Tue, 25 Jun 2013 17:37:57 -0400
> > From: David Goulet <dgoulet at efficios.com>
> > [...]
> > Per UID buffers makes every application sharing the same UID to use the same
> > buffers.
> > [...]
> > Also, the buffers for UST application are now created in the consumer
> > and passed to the application. Thus, the buffer ownership has been
> > transfered from the UST tracer to the consumer.
> > ------------------------------
> > Message: 8
> > Date: Tue, 25 Jun 2013 19:01:17 -0400
> > From: Mathieu Desnoyers <mathieu.desnoyers at efficios.com>
> > [...]
> > - Buffers shared across applications with same user id e.g.
> >   lttng enable-channel -u mychan --buffers-uid
> > ------------------------------
> > 
> >    How can per-uid UST buffers be owned by any one application?
> 
> It is not the case, I do not understand the question.
> 
> Per-PID buffers are per "application", and per-PID buffers are shared
> across all applications with the same user id.

I actually meant:

Per-PID buffers are per "application", and per-*UID* buffers are shared
across all applications with the same user id.

Thanks,

Mathieu

> 
> Thanks,
> 
> Mathieu
> 
> > 
> > Daniel U. Thibault
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> 
> -- 
> Mathieu Desnoyers
> EfficiOS Inc.
> http://www.efficios.com
> 
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-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com