Re: [lttng-dev] 回复： Enamebling namespace contexts

[Jonathan Rajotte-Julien via lttng-dev]

Hi,

> The version of my lttng is: lttng (LTTng Trace Control) 2.10.7 - KeKriek.

Please upgrade to lttng 2.12.x. Container awareness was added in the 2.12 
release
cycle.

Cheers

> Thanks,
> Serica
> 
> 
> ------------------ 原始邮件 ------------------
> 发件人:                                                                          
>                                               "Mathieu Desnoyers"             
>                                                                        
> <mathieu.desnoy...@efficios.com&gt;;
> 发送时间:&nbsp;2020年12月29日(星期二) 中午11:58
> 收件人:&nbsp;"Serica"<serica_...@qq.com&gt;;
> 抄送:&nbsp;"lttng-dev"<lttng-dev@lists.lttng.org&gt;;
> 主题:&nbsp;Re: [lttng-dev] Enamebling namespace contexts
> 
> 
> 
> ----- On Dec 23, 2020, at 9:55 PM, lttng-dev <lttng-dev@lists.lttng.org&gt; 
> 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:&nbsp; 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" ?
> 
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