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

[Mathieu Desnoyers]

* 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.

Thanks,

Mathieu

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