[lttng-dev] Enamebling namespace contexts

Mathieu Desnoyers mathieu.desnoyers at efficios.com
Mon Dec 28 22:58:05 EST 2020

----- On Dec 23, 2020, at 9:55 PM, lttng-dev <lttng-dev at lists.lttng.org> wrote: 

> Hi,

> ThI found that lttng is working on container awareness in this slides:
> https://archive.fosdem.org/2019/schedule/event/containers_lttng/attachments/slides/3419/export/events/attachments/containers_lttng/slides/3419/lttng_containers_fosdem19.pdf

> On page #13, there is a command: lttng add-context -k -t procname -t pid -t vpid
> -t tid -t vtid -t pid_ns, where pid_ns and other namespace identifiers are very
> useful for tracing containers. However, it seems like that lttng of current
> version doesn't support adding context pid_ns(Error: Unknown context type
> pid_ns). Do you know how to enable these features?

What version of LTTng do you use (output of "lttng --version"), and what is the output of "lttng add-context --list" ? 



> Thanks a lot.
> Btw, have a nice holiday!

> Serica

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Mathieu Desnoyers 
EfficiOS Inc. 
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