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

[Jérémie Galarneau]

On Wed, Jun 26, 2013 at 8:49 AM, 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.

Typo, Mathieu meant "per-UID 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
>
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-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com